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  • $35 hourly

    • 4.9/5
    • (736 jobs)
    I am DevOps Sales Manager with NIX. And I represent a great team of system administrators with more than 13 years of combined experience in Linux, Unix and Windows servers support. We are a proven AWS partner. And there are a lot of great DevOps experts with strong skills in Docker, Kubernetes, Vagrant, Jenkins, Chef, Puppet and Ansible in our team. With NIX, the IT network and infrastructure of your business will be in strong, reliable hands. We can: • Design and build cloud infrastructures with Amazon AWS, Microsoft Azure and Google Cloud. • Realize CI/CD systems using the most appropriate technology stacks. • Grow your infrastructures and realize HA and Auto-Scalable clusters. • Set up and monitor Remote Access (VPN) • Manage your servers (E-mail, Web, Data) • Provide Anti-Virus and Anti-Spam Protection • Manage Webhosting Automation • Provide Security Audit and Consulting for Networks, Servers and Services • Provide 24x7 Technical Support
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    Ansible
    Docker
    Apache Tomcat
    Apache Administration
    DevOps
    Technical Support
    Service Cloud Administration
    Windows Administration
    Amazon Web Services
    Linux System Administration
  • $38 hourly

    • 5.0/5
    • (118 jobs)
    I have 30-years experience in network projects including design, implementation, system administration and in software development. For the first 5 years of my career I worked on software development: coding and especially testing. For the last 25 years I'm working on implementation and maintenance of University of Nis WAN. Last 20 years I'm deeply involved in AMRES (Academic Network of Serbia) project. Don't fix it if it ain't broken, don't break it if you can't fix it! SKILLS SUMMARY - Any system administration tasks - Operating Systems: any *nix (Linux, FreeBSD, SGI IRIX, SCO, Solaris, OSX), Windows 3.1/9x/Me/XP/Vista/W7/W8/W10, WinServer NT/2K/2003/2008/2012/2016 - LAN & WAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI and Wireless LANs. T1/T3, SDH/SONET, Frame Relay, WDM, ISDN, ADSL, SHDSL, Cable Modems, Cellular, X.25. - Network Protocols: TCP/IP, IPv6, UDP, OSI, CDP, IP Multicast, IPSec, VoIP, Routing, VLANs, Bridging, Trunking, VPN, SNA, DLS - Network Services & servers: SMTP/POP3/IMAP, FTP/SFTP, Telnet/SSH, HTTP/HTTPS, DNS, DHCP, NNTP, NTP, LDAP, SNMP, NETBIOS, Apache, Nginx, MySQL, Plesk, cPanel, Zimbra, VMware, CentOS, Ubuntu, Debian - Network Equipment: various types of modems, firewalls, switches and routers. - Dedicated, VPS and cloud environment servers (Amazon AWS, Google Cloud, MS Azure, Digital Ocean, Linode). - Programming Languages: Unix Shell scripting, BASH, C, Pascal, MS Visual Basic, PHP, HTML, (a bit of Python).
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    CentOS
    Ubuntu
    System Administration
    Apache Administration
    SSL
    Let's Encrypt
    Linux System Administration
    Firewall
    Red Hat Administration
    Internet Security
    Cloudflare
    Zimbra Administration
    Unix System Administration
    Network Security
    Network Administration
  • $125 hourly

    • 5.0/5
    • (34 jobs)
    DevOps, PaaS, OpenShift Container Platform, OKD, Docker, Kubernetes, Terraform, Ansible - this is my main focus. Over 15 years of experience in managing Linux servers, including: - setting up - managing - optimizing - securing - testing Everything is done by applying best DevOps practices, when applicable, using configuration management and automation tools, e.g., Ansible, Terraform, and Salt. Database experience including MySQL-flavors and PostgreSQL.
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    Terraform
    DevOps
    Ansible
    Red Hat Enterprise Linux
    Docker
    Kubernetes
    Red Hat Certified Engineer
    OpenShift
    Red Hat Administration
    Linux System Administration
  • $50 hourly

    • 5.0/5
    • (34 jobs)
    Georges Kirillos is a loving father with over 8 years of experience in cybersecurity, and over 12 years of experience in paramedic as technical mission leader. He has started his security career when he was 16 years old as script kitty. At age 23 he has won 10000 USD as first place prize in an innovative competition organized by the higher center for research at his university, He has finished his Master engineering degree in network and information security at 24 years of age with a high GPA. Georges is holding multiple certificates in cybersecurity and medical fields. In his over 8 years of experience in cybersecurity, Georges was providing top level cybersecurity service to his employer and employers customer with excellent reports, some of the services are as follow: penetration testing, vulnerability assessment, red teaming, security officer services, technical risk assessment, ISO/IEC 27001 27002 services, hardening, providing cybersecurity awareness sessions, solution architecture, conducting POC, providing L2 support and providing training on security product. Georges has gained an immense experience in managerial skills with his over 12 years of experience as paramedic mission leading at the Lebanese Red Cross as a volunteer; and he is also the IT Manager in his station, he has created a highly secure hardened environment with administrative segregation from scratch using latest technology with 100% open source software's and OS; in order to securely host a custom build web application. This system is now being uses by more than 3 Stations.
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    Security Analysis
    Security Management
    Information Security Audit
    Compliance
    ISO 27001
    Information Security Awareness
    Cloud Security
    Information Security
    Information Security Consultation
    Application Security
    Vulnerability Assessment
    System Security
    Network Security
    Penetration Testing
    Security Policies & Procedures Documentation
  • $80 hourly

    • 5.0/5
    • (97 jobs)
    I have 21 years of general linux experience with apache, php, bash, python and various other scripting/programming languages. I have 7 years of expert level experience using memcache/redis and nginx application accelerator proxies based on Redhat and Ubuntu with php-fpm, apache, nodejs, java, .net and other application servers. These include zend, wordpress, drupal and several other web software suites In one of my previous projects I was been able to allow for up to 40,000 simultaneous user sessions across twenty apache application servers utilizing nginx reverse proxies, behind several F5 load balancers. Initial hardware was able to accommodate up to 4,000 users. Since the application was not stateless nor was it designed for data segregation between private/public data the nginx rulesets were very complex requiring rewrites, header injections/strips and even body regex find/replaces. I also have expert level experience with large scale wordpress clusters from the file service and db aspects. I have experience with appdynamics, nagios and large scale ELK logging. I have experience with AWS, especially linux EC2 containers, elastic beanstalk and cloudformation. I am highly skilled in troubleshooting complex multi-tier interaction issues using system logs, stack traces and wireshark packet traces.
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    HAProxy
    PfSense
    Red Hat Administration
    Linux System Administration
    Memcached
    Apache Nutch
    Ubuntu
    Apache CouchDB
    Redis
    NGINX
    PHP
  • $115 hourly

    • 4.4/5
    • (147 jobs)
    ⭐️⭐️ I AM A TOP RATED PLUS FREELANCER on Upwork ⭐️⭐️ I am an experienced DevOps Engineer, Solutions Architect, and Cloud Engineer with a strong background in Security and Infrastructure. With 20+ years in the IT & Telecoms industry, I have consistently delivered successful global projects and led the design and delivery of complex cloud-based infrastructure that caters to millions of users. Throughout my career, I have had the opportunity to work with renowned international companies and Fortune 500 organizations, including: ✅ Mozilla (Firefox) ✅ Druva ✅ Walmart ✅ Vodafone ✅ Deloitte ✅ Aspen Pharmaceuticals ✅ AA (Automobile Association) ✅ Clover ✅ American Marketing Association ✅ RCI ✅ MTN My primary specialization lies in Cloud Computing, where I excel in automating operating systems and applications for internal, AWS, Azure, and GCP cloud environments. I am well-versed in private cloud platforms such as Hyper-V and VMware infrastructure. As part of my expertise, I consistently implement CI/CD pipelines using various toolsets such as CircleCI, AWS/GCP/Azure DevOps, AWS CodeDeploy, and GitHub, among others. Automated infrastructure provisioning and post-provisioning automation are areas where I am highly skilled, utilizing Ansible and Terraform to deploy resources in AWS/Azure/GCP as well as facilitate seamless enterprise cloud migrations from on-premises to the cloud and from cloud to cloud. In addition, I specialize in optimizing and consolidating cloud infrastructure to help you effectively manage your spending on both public (AWS, Azure, GCP) and private (VMware, Hyper-V, Citrix Xen) cloud environments. I prioritize scalability, sustainability, and security in all my endeavours. Throughout my career, I have successfully led over 500 projects from inception to completion, consistently meeting deadlines and staying within agreed budgets. My work ethic revolves around the principle of "under-promise and over-deliver," always striving to exceed expectations and add value to my clients' projects. Communication is one of my strong suits, and I excel at effectively collaborating with both technical and non-technical stakeholders. I am highly motivated, innovative, and analytical, constantly seeking opportunities to think outside the box and find optimal solutions for complex challenges. If you are looking for a dedicated professional who can help enhance your business, I am eager to work with you. Contact me today to discuss your business and explore how we can collaborate to achieve your goals. ⭐️ I am an Expert in the following skill sets ⭐️ ✅ Amazon Web Services (AWS) ✅ Microsoft Azure ✅ Google Cloud Platform (GCP) ✅ CloudFormation ✅ CloudFront ✅ CloudTrail ✅ CloudWatch ✅ Cloud Infrastructure ✅ Cloud Logistics ✅ CircleCI ✅ DevOps ✅ Hyper-V/VMware ✅ BIND DNS ✅ DNS ✅ Docker ✅ EC2 ✅ EFS ✅ EBS ✅ EKS ✅ Elastic Load Balancer (ELB) ✅ ElastiCache ✅ Migration and Automation ✅ Microsoft Azure, AWS, GCP IaaS and PaaS. ✅ Hybrid Azure, AWS, GCP ✅ RDS ✅ Route 53 ✅ S3 ✅ GraphQL ✅ Kubernetes ✅ Jenkins ✅ CodePipelines ✅ CI/CD ✅ Terraform ✅ Ansible ✅ Apache ✅ Nginx ✅ Nagios ✅ New Relic ✅ Glacier ✅ SQS ✅ SWF ✅ SNS ✅ VPC ✅ IAM ✅ Linux ✅ CentOS ✅ Debian ✅ Redhat ✅ Solaris ✅ Ubuntu ✅ UNIX ✅ Windows Desktop ✅ Windows Server ✅ Active Directory ✅ VmWare ✅ Proxmox ✅ Xen ✅ MySQL ✅ MariaDB ✅ PostgreSQL ✅ Python ✅ PHP ✅ Microsoft SQL ✅ Heroku ✅ Netlify ✅ Selenium ✅ GitHub ✅ Snowflake ✅ Laravel ✅ RedHat
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    Virtualization
    Deployment Automation
    System Administration
    DevOps Engineering
    Cloud Architecture
    Solution Architecture
    Network Administration
    Cloud Engineering
    Google Cloud Platform
    Cloud Computing
    Cloud Security
    Amazon Web Services
    Microsoft Azure
    Network Security
    Information Security
  • $15 hourly

    • 4.9/5
    • (24 jobs)
    Greetings, I am Junaid, certified Asterisk, 3cx certified (beginner to advanced) engineer. My job responsibilities include Installation and configuration of IP PBX on cloud platforms such as Vultr, AWS ec2 & Lightsail, Azure, and many others. I am an Asterisk certified, 3cx advanced certified engineer, FreePBX, and FusionPBX expert. I have done my graduation in Telecommunication and seven years of experience in Core Networks. Skills Install PBX on the server. Configure the PBX: Create extensions, SIP trunks, Inbound and Outbound rules for incoming and outgoing VoIP calls. Phone provisioning using IP phone and softphone. Troubleshoot the errors and issues in configuring the PBX. Linux certified RHSCA training. Cisco certified network administrator, having work experience on cisco switches, routers, and bridges. Complete transfer of PBX from one VOIP provider to another, by creating all the PBX configurations. A digital receptionist to handle the calls. Create IVR and record voicemail recordings. Create call queue and Ring groups to handle the call routing among different extensions. Creating call flow app. Expert in A2Billing. ASTPP Ip phones Yealinks, D lINK DPH, cISCO SPA504G, and other IP phones configuration. Basic skills include Windows servers 2012, 2016, and desktop Windows 10, 8, and 7. RHEL Experience Linux fundamentals, file system, installation, ownership, and permission, partitions, Archive compression tools and Rsync, Fdisk partitioning cases, Process and daemons and performance monitoring. Network User Administration Configure IP gateway DNS and IP aliasing RPM Install, upgrade, erase packages in linux Performance monitoring using tools like Top, find and fsh Cron Scheduler and user management Sudoers and Umask configuration Kernel driver management Services: AWS Cloud Computing AWS EC2 instance management ServerClient model NFS server VSFTP Services Apacheserver TCP Wrappers/IPtables DNS caching server SAMBA MySQL NGINX Installation and packages configuration
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    Asterisk
    Kali Linux
    Red Hat Administration
    Linux System Administration
    FreePBX
    LDAP
    Session Initiation Protocol
    3CX
    VirtualBox
    System Security
    Virtualization
    System Administration
    VoIP
  • $20 hourly

    • 4.9/5
    • (704 jobs)
    I'm Nevin Davis, I have a degree and diploma in Computer Science and Engineering. I'm a redhat certified engineer with 8 years of experience as a server administrator. My strengths and skills are:- * Well knowledge in AWS, Google Cloud, Azure... etc * Sound knowledge in Linux/Unix like operating system. * Deep knowledge in cPanel/WHM. * Familiarize with Plesk, Interworx, Website Panel, Webmin, Directadmin. * Automated installation of Red Hat Enterprise Linux. * Network configuration and troubleshooting. * Server hardening. * Managing partitions and file systems. * Managing flexible storage with LVM. * User Management & Administration. * Managing selinux. * Basic creation and troubleshooting on scripting like Shell/Perl. * Installing and managing softwares. * Managing installed services. * Kernel re-configuration & parameter tuning. * Installation of patches and packages. * File sharing with FTP. * NFS configuration & administration. * Job Scheduling and Automating process using CRON. * XEN, OpenVZ virtualization. * RAID * Idera Back up server management. * Familiarize web servers- Apache, Litespeed, Nginx. * Deep knowledge in SolusVM. * Migration. * SSL Cert generation, installation. * IPMI, KVM console management. * Billing Module Management(whmcs,vision,osticket) * VPS, Shared and Dedicated server Management * Monitoring (Nagios) & troubleshooting with performance related issues. * Installation of Antivirus and Troubleshooting with virus related issues.
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    WordPress
    OpenVZ
    WebHost Manager (WHM)
    WHMCS Development
    SSL
    Domain Migration
    CentOS
    Red Hat Administration
    cPanel
    Linux System Administration
  • $95 hourly

    • 5.0/5
    • (22 jobs)
    => Let's Connect Hello, I'm Dima, a seasoned CyberSecurity Specialist and Turnkey Infrastructure Expert specializing in BigData solutions and data analysis, utilizing a DevOps approach. => Expertise Overview With a robust passion for constructing SOC, SOAR, and SIEM solutions, my primary focus lies in developing data ingestion, enrichment, and analysis pipelines, ensuring they are highly available and fault-tolerant. My expertise extends to building central logging and real-time processing platforms from the ground up, optimizing them for performance, security, and reliability across multiple environments, whether in the cloud or on-premise. => Value Proposition My commitment is to deliver solutions that not only centralize security and threat intelligence but also facilitate enhanced control over data, ultimately contributing to infrastructure cost savings. => Technological Summary CyberSecurity:------- > Wazuh, Suricata, pfSense BigData:--------------- > Kafka, ElasticSearch, OpenSearch Data Processing:----- > FluentD, Vector.dev, Apache NiFi Infra as Code:--------- > Terraform, cdktf, cdk8s Virtualization:--------- > Proxmox, VMware Containerization:----- > Kubernetes Clouds:---------------- > AWS, Hetzner, DigitalOcean, Linode Automation:----------- > Jenkins, GitHub Actions Monitoring:----------- > Zabbix, Grafana, Kibana, Prometheus, Thanos Mail:--------------------> MailCow SMTP/IMAP, Postfix VPN:------------------- > OpenVPN Server Programming:-------- > Bash, Python, TypeScript Operating Systems:- > CentOS, RHEL, Rocky Linux, Ubuntu, Debian => Personal Attributes • Leadership: Leading by example with a team-first approach • End-to-End Execution: Proficient from POC to Enterprise-level implementation • Resilience: Demonstrating high thoroughness and endurance • Adaptability: A quick, can-do architect and experienced troubleshooter • Optimization: Adept in process and performance optimization • Documentation: Skilled technical documentation writer • Vision: A visionary in technological implementation and solution provision
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    Elasticsearch
    Linux System Administration
    Apache Kafka
    Apache Hadoop
    Email Security
    Machine Learning
    ELK Stack
    Cloudera
    Zabbix
    MySQL
    Big Data
    Apache NiFi
    PfSense
    Red Hat Administration
    Proxmox VE
    Amazon Web Services
  • $50 hourly

    • 4.7/5
    • (47 jobs)
    🗲 Available now 🥇 Top rated plus ⏲️ 12,000+ Upwork hours ⭐ 100%+ rating ✅ Full-time and Long term 🌎 24x7 support 😝 Fun loving 10 years experience as a DevOps Engineer with extensive experience in all cloud providers like AWS, GCP and Azure My blog : roshannagekar.blogspot.com I have vast experience in the following tools and technologies: ⚙⚙⚙⚙⚙ 🄳🄴🅅🄾🄿🅂 ⚙⚙⚙⚙⚙ ★ Configuration Management: Ansible, Chef, Puppet ★ AWS Administration: EC2, RDS, S3, CloudFront ★ CI Tools: Jenkins, Bamboo ★ Deployment: Fabric, Capistrano, Ansible ★ Provisioning: Terraform, Cloudformation ★ Cloud Providers: AWS, GCP, Azure, Digital Ocean ★ Containerization: Docker Compose, Kubernetes ★ Source Code: Git, SVN, Gitlab, Github ★ Monitoring (Free): Nagios, Zabbix, Prometheus ★ Monitoring (Paid): Newrelic, Datadog, Pingdom ★ On-Call Support: VictorOps, Pagerduty ★ High Availability: HAProxy, F5, ELB, Envoy ★ Scripting: Bash, Python, Ruby ★ Documentation: Confluence, Twiki ★ Infra. Testing: Test-Kitchen, Apache-Benchmark ★ Databases: MySQL, PostgreSQL, Oracle ★ Servers: Apache, Nginx, IIS, vsftpd ★ Operating System: Unix, Redhat/Ubuntu, Windows ★ Virtualization: VirtualBox, VMWare, Vagrant ★ Build Tools: Makefile, Ant, Maven ★ Ticketing: JIRA, HPQC, Bugzilla ★ QA Tools: Selenium, Sikuli, SoapUI ★ File Transfer: Filezilla, WinSCP, s3cmd 🛡🛡🛡🛡🛡 🄸🄽🄵🄾🅂🄴🄲 🛡🛡🛡🛡🛡 ⮕ Kali Linux ⭐⭐⭐⭐ ⮕ Metasploit ⭐⭐⭐ ⮕ Maltego ⭐⭐⭐ ⮕ Burpsuite ⭐⭐⭐ ⮕ Fiddler ⭐⭐⭐⭐ ⮕ Kismet ⭐⭐⭐ ⮕ Wirshark ⭐⭐⭐⭐ ⮕ Zaproxy ⭐⭐⭐⭐ ⮕ Wazuh ⭐⭐⭐⭐⭐ 📅 Devops Event Organizer: 📅 meetup.com/DevOps-Pune/members/?op=leaders
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    Google App Engine
    MySQL
    Customer Service
    WordPress
    LAMP Administration
    Unix
    Software Testing
    Technical Writing
    Amazon Web Services
    DevOps
  • $70 hourly

    • 4.8/5
    • (76 jobs)
    I am good at: - solving complex, cross-functional issues that may involve many different technologies in reasonable time. - delivering expert knowledge about technologies and products to fulfill clients' needs for a specific business purpose. Technology-wise this sounds as: Expert knowledge of Windows-based networks and other products and technologies by Microsoft (Windows Server, Active Directory, Exchange, Teams, Azure, Office 365, Intune) with 20+ years of experience in the area including systems administration. Good knowledge of virtualization (VMware ESX, Microsoft Hyper-V) and cloud solutions (Azure, AWS EC2). Strong knowledge of TCP/IP networking technologies. Expert knowledge of various Identity Management solutions (Microsoft ILM/FIM/MIM (also DirSync and GALSync)+MIMWAL, Oracle Identity Manager, NetIQ (Novell) Identity Manager) and RBAC with 15 years of experience in the area.
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    User Identity Management
    Data Recovery
    Oracle Identity Management
    Microsoft Azure
    VMware ESX Server
    NetWare
    Information Security
    Microsoft Hyper V
    Microsoft Exchange Server
    Office 365
    Active Directory
  • $29 hourly

    • 4.9/5
    • (276 jobs)
    Hi, I am an experienced Network/Systems/Security/Cloud professional with a passion for technical support. I have 15 years of hands-on experience in multiple domains, including Google Workspace, Microsoft 365, Windows 365, Azure, AWS, and GCP. I specialize in migration services such as Gsuite to O365, O365 to O365 (One Drive to One Drive, etc.), and email migration. I am also proficient in Cisco Meraki, Mikrotik, Bitninja, WordPress Malware Protection, Contabo, Hetzner, Microsoft 365 Security Compliance, Microsoft Azure Virtual Desktop Environment (VDI), RDS Terminal Support, Gsuite Workspace, Azure VPN, AWS Console, AWS VPN, UBNT ubiquiti devices, Azure Cloud services, VPN services, Windows servers complete, DHCP, DNS, Active Directory, additional active directory, Hyper V, Vmware Certified hands-on experience expert, SSL configuration, Fortigate firewall, Cisco network switches, routers, firewall, network diagrams, network assessment, infrastructure high-level diagram cloud, and physical. In addition, I offer password reset services for Windows servers, Google Suite, AWS, Office 365 certified expert with hands-on experience (Microsoft Expert), cyber security expertise, port forwarding, access your application as you are in office support, remote O.S. installation support, NAS/SAN support all types, backup software VEEAM, etc. support, Microsoft Exchange deployment, and troubleshooting, Microsoft SQL troubleshooting. My technical expertise is complemented by my strong work ethic, passion for completing projects on time, and dedication to providing excellent customer support. I am a Microsoft Certified Solutions Expert, Azure Solutions Architect Expert, Azure Administrator Associate, and Azure Fundamentals certified. Additionally, I hold an AWS Certified Solutions Architect - Associate certification. If you are looking for a highly skilled and reliable professional to support your network/systems/security/cloud needs, then look no further. Please feel free to reach out to me for any inquiries, and I promise you won't regret it. Thank you for your consideration. Welcome to my profile! I am a Network/Systems/Security professional with 15 years of hands-on experience in multiple domains. My passion for technical support ensures that I always strive to provide the best possible standards and support for my clients. Here are some of the skills I have acquired throughout my career: AWS Workspaces and Active Directory Azure Virtual Desktop Environment Mikrotik Hotspot Gsuite Workspace Azure VPN AWS Console AWS VPN Migration of emails UBNT ubiquiti devices Azure Cloud services VPN services any Windows servers complete DHCP, DNS, Active Directory, additional active directory. Hyper V Vmware Certified hands-on experience expert SSL configuration Fortigate firewall Cisco network switches, routers, firewall Network Diagram's Network Assessment Infrastructure High-level diagram cloud and physical Password reset services for windows servers Google Suite AWS Office 365 certified expert with hands-on experience (Microsoft Expert) Cyber Security expertise Port Forwarding. Access your application as you are in office support. Remote O.S. installation support NAS/SAN support all types. Backup software VEEAM etc. support Microsoft Exchange deployment and troubleshooting Microsoft SQL troubleshooting I have a wide range of technical expertise, including Cisco routing and switching, Mikrotik routing and switching, Exchange/Active Directory migrations, Fortigate configuration, Unifi switches and Wi-Fi, Brocade switches, Barracuda Load Balancer, Microsoft all technologies, online desktop support, networking, system engineering, Windows Servers, Exchange Server, DNS, DHCP, DHCP Failover, Azure, Google Cloud, Alibaba Cloud, VMware, vCenter, high availability. Furthermore, I hold the following certifications: Microsoft Certified: Azure Solutions Architect Expert Microsoft Certified: Azure Administrator Associate Microsoft Certified: Azure Fundamentals Microsoft® Certified Solutions Expert: Productivity (Charter) Microsoft® Certified Solutions Expert: Messaging Microsoft® Certified Solutions Associate: Office 365 Microsoft Specialist: Server Virtualization with Windows Server Hyper-V and System Center Microsoft Certified Professional AWS Certified Solutions Architect - Associate I am committed to completing my work on time and ensuring that my clients receive the highest level of technical support. Contact me today to see how I can assist you with your network/systems/security needs.
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    Cisco Certified Entry Networking Technician
    Zimbra Administration
    Network File System Administration
    Migration
    RAID Administration
    Ubiquiti
    MikroTik RouterOS
    Microsoft Azure
    Cloud Security
    VMware Administration
    Microsoft Exchange Server
    DHCP
    WiFi
    Microsoft Hyper-V Server
    Cisco Router
  • $60 hourly

    • 4.8/5
    • (147 jobs)
    SSO expert having Identity and Access Management expertise of 16+ years in SAML / OpenId Connect / Oauth 2.0 / JWT / FIDO2/ Webauthn / 2FA etc. I have experience with open source and commercial SAML implementations (Shibboleth, SimpleSAMLphp, Okta, OneLogin, Auth0, Spring Security SAML, Keycloak, ForgeRock, IBM Security Access Manager etc.), and I am comfortable working in any programming language (PHP, Java, JavaScript, Python, ASP.NET, C#, Ruby, Go, etc.) or framework (Node.js, Meteor, Angular, Django, CodeIgniter, Concrete5, Yii, Symfony, Laravel, WordPress etc.). I have a strong track record of helping clients succeed with: -Adding SAML authentication to custom applications -Troubleshooting SAML Identity Provider and Service Provider errors -Deploying SAML Identity Providers (IdPs) and Service Providers (SPs) -Finding the right architecture for layering SSO technologies (AD, LDAP, OAuth, OpenID Connect, CAS, Kerberos, JWT, multi-factor, etc.) -Providing training, documentation and third-party support -Deployment and architectures of LDAP solutions (OpenDJ, OpenLDAP, IBM Security Directory Server etc). Architectures with high availablity and custom schema. LDAP proxy / bridge solutions deployment. -Architectures and solution Implementation of Identity and Access governance solutions (Sailpoint IIQ , IBM Security Identity Manager, IBM Security directory integrator ). -Role based access control implementation in Identity management solutions. -Risk based access control implementation with Access Management solutions. Devops and cloud security - - Dockerize applications and platforms. - Deployment of applications on AWS EKS platform. - Deployment of applications on GCP GKE platform. Complex Integrations - - Rest API development and security with Oauth / JWT tokens. - API gateway integrations of API. SSO and Identity Access Management Integration Expert | Technical Project Manager
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    Solution Architecture Consultation
    OKTA
    Vulnerability Assessment
    Application Security
    Single Sign-On
    API Integration
    OAuth
    Cybersecurity Management
    Security Analysis
    Information Security Consultation
    Auth0
    LDAP
    User Identity Management
    Amazon Cognito
  • $55 hourly

    • 4.9/5
    • (79 jobs)
    ⭐Top-rated DevOps expert with 60+ completed projects on Upwork. I lead a team of highly motivated DevOps experts who help SaaS businesses to build scalable, high available and secure infrastructures on AWS/GCP/Azure according to the best practices. What you will get with me and my team? ✅Price & Value balance. With us, you get top-quality DevOps assistance at a reasonable price. We are sensitive to customer’s needs and use a proactive mindset and efficient workflow to exceed your expectations. ✅Long-term support. We tend to build reliable long-term relationship with our customers, supporting them throughout their product lifecycle. ✅Relevant expertise. Our team members use all modern DevOps tools & technologies to cover various challenges. We have AWS/GCP certified experts in team and internal DevOps training program which helps to grow strong talents in-house. ✅Business-oriented approach. We work with startups and businesses of different scale every day and know how to enable the efficient use of resources and save up to 80% in your infrastructure costs, how to improve deployment time from weeks to minutes, and how to make your setup secure. ===== Technologies that I adopt and I’m an expert at: - AWS, GCP, Azure - Docker - Kubernetes - Terraform - Ansible - Jenkins, CircleCI, GitHub/BitBucket pipelines - Prometheus - Grafana - Datadog etc. My area of expertise includes: DevOPS • CI/CD • Infrastructure as Code • Container Orchestration • Configuration Management SysOPS • Remote Infrastructure Management Services • Monitoring • Application Management • Infrastructure Upgrades/Migration CloudOPS • Cloud Administration (AWS, GCP, Azure, Digital Ocean) • Cloud Monitoring & Maintenance • Cloud Cost Optimization • Architecture Consulting • Cloud migration DbOPS • Remote Database Administration Services • Performance Optimization • Orchestrated Migration across platforms/ databases Industries I have experience with: - Fintech - Healthcare - Security - Marketing - Blockchain - Delivery, etc. ===== Case studies of the customers I have worked with: 🔸Safe and Cost-Effective Infrastructure to Bring One-Click Deployment For a Cyber-Security Provider: Deployment time decreased from 8 hours to 10 minutes (48x faster deployment). Fewer resources (time/costs/employee-hours) are now required as code deployment has moved from a tedious, manual process to a codified, automated mechanism. 🔸Backend Infrastructure Design & Development for all-in-one connectivity platform for restaurants & stores: Product provisioning time shortened from 1,5 weeks to 1 hour. Company can drive much more value to their customers now, due to being able to provision the product 200-300 times a month, instead of 5-6 monthly deployments. System redesign and automation allowed to save 30-35% of the budget and free the internal resources for more important tasks. ===== Feel free to contact me or book a consultation, I’d love to discuss your project and help you reach business goals.
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    Consultation Session
    Microsoft Azure
    System Administration
    DevOps
    Solution Architecture
    Terraform
    Ansible
    Docker
    Infrastructure as Code
    Jenkins
    CI/CD
    Kubernetes
    Google Cloud Platform
    DevOps Engineering
    Amazon Web Services
  • $35 hourly

    • 4.7/5
    • (47 jobs)
    I'm a Security Specialist, with +15 yr of experience in the security field and +20 yr in system administration (Linux, AIX, BSD and Windows) on banking, education and R&D sectors. Feel free to get in touch if you need: * Security infrastructure administration or advice * Security Audit & Pentesting * Linux/Windows/AIX system administration or server troubleshooting and LAMP/LEMP stack deployments and fine tunning. I will be glad to collaborate in any interesting project.
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    Security Infrastructure
    Security Engineering
    AWS Systems Manager
    Linux System Administration
    Windows Administration
    Information Security
    Security Analysis
    Wireless Security
    Network Security
    Internet Security
  • $190 hourly

    • 4.9/5
    • (460 jobs)
    Based on my 30 years of experience in the field of IT, i am able to complete complex tasks of high difficulty. Working in international corporations allowed me to have a practice with productive and expensive systems. Contracts in the banking sector has taught confidentiality and responsibility and the importance of trust. My main qualification is in system administration. From the direct assembly of the server to the configuration of the operating system. Therefore i have expert knowledge of operation systems Windows\UNIX. Server OS: Microsoft Windows server, RedHat, Ubuntu, CentOS, PopOS, Debian, other Linux.. Cloud: Amazon Web Services AWS, Google cloud GCP, Oracle cloud, Microsoft Azure, IBM cloud.. Hosters: Digital Ocean, Hetzner.. Virtualization: Hyper-V, VMWare, VirtualBox, KVM, Proxmox.. Emergency problem resolving. Web, VPN, VPS, Cloud, Virtualization. Hardware troubleshoting and repair. Security networking. Infrastructure protection. BIOS\FW recovering, updating.
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    Postfix SMTP Server
    Microsoft Hyper-V Server
    Google Cloud Platform
    System Configuration
    Virtualization
    Amazon EC2
    Microsoft Hyper V
    Data Recovery
    Virtual Private Server
    Hardware Troubleshooting
    Server Virtualization
    Disaster Recovery
    System Administration
    Windows Server
    Linux System Administration
  • $60 hourly

    • 5.0/5
    • (40 jobs)
    I specialize in Linux-based database systems. I hold the qualifications of Bachelor of Science (computer science), and have also attained RHCE (RHEL 6.0, 2012), and OCP (RDBMS, 10g). What I can offer clients is a professional solution that will meet requirements. Top Skills: * Linux systems administration: RedHat, CentOS, Ubuntu * RDBMS administration: Oracle and RAC, MySQL * RDBMS design and programming: PL/SQL, SQL performance tuning * Systems Programming: bash, Perl Comprehensive Skills: * Web Infrastructure Design and administration: Apache, Tomcat, Squid, JVM * Virtualization: Xen, KVM, VMWare Server * Firewall: Linux IPTables, Firewalld * Mail Servers: Sendmail, Postfix * Software development: Java (SE, Spring MVC), PHP, HTML, CSS, JQuery, Github, Maven, Visual Basic * Cloud: Microsoft Azure architecture design and implementation, Linode, Digital Ocean, AWS and S3 * Monitoring: Nagios, Big brother, Cacti, Zabbix * Hadoop big data
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    Bash Programming
    Java
    Perl
    MySQL
    MySQL Programming
    Linux System Administration
    Red Hat Certified Engineer
    Oracle PL/SQL
    Oracle RAC
    Oracle Database
  • $40 hourly

    • 5.0/5
    • (36 jobs)
    I'm a Cyber Security Professional having more than five years of diverse industry experience. My area of expertise is Ethical hacking and Penetration testing. I hold industry accredited certification OSCP (Offensive Security Certified Professional) by Offensive Security and CPSA & CRT by CREST. I work at Ebryx LLC as a Penetration Tester/Security Engineer. My day to day work includes: - Web Application & API Pentesting - Mobile Application Pentesting (iOS, Android) - Network Pentesting & Vulnerability Assessment - Cloud Security Assessment (AWS) - Writing comprehensive reports on Pentest Findings Training & Courses I've studied: - PWK v2020 - Pentester Academy Web Application Pentesting Course - Wireless Attacks (WiFU) - Metasploit Unleashed - CEH v9 & v10 My Technical Skills include: - Web App Testing (SQLi, XSS, RFI/LFI, OWASP TOP 10, etc) - Android/iOS Penetration Testing (Frida, Objection, SSL pinning/Root check bypass, OWASP Mobile Top 10) - Linux, BASH, Python, and C++ - Computer Networking (WireShark, Scapy and Cisco Packet Tracer) - Wireless Security (Aircrack-ng suite, ARP Spoofing, Honey Pots, etc) - Network Security (Nmap, Metasploit, Exploit-DB) Tools I use: BurpSuite Community & Professional, Sqlmap, Nmap, Wireshark, Metasploit, Tenable Nessus, OpenVAS, Mimikatz, Nikto2, IBM Appscan, Acunetix, Aircrack-ng, Netcat, Kali Linux, Ubuntu. In my spare time, I hack VulnHub and Hack The Box machines and write their Walkthroughs. I do teaching and blogging in Information Security at Intermediate/Expert level.
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    Information Security Audit
    Website Security
    OWASP
    Security Testing
    Web App Penetration Testing
    Security Operation Center
    Security Testing
    Database Security
    Linux System Administration
    Network Security
    Kali Linux
    Ethical Hacking
    Information Security
    Penetration Testing
  • $30 hourly

    • 4.6/5
    • (248 jobs)
    I'm proficient DevOps engineer with strong skills and experience in software architecture analysis and design, system administration, DBA. I have perfect Docker knowledge. Good with git. I work for about 15 years with Linux and its app tool stack - Apache/nginx, MySQL/MaridDB, PHP. Xen, XenServer and VMware virtualisation. I designed complex CI/CD pipelines with GitLab, Azure DevOps and Jenkins for JS/TS and ReactNative mobile app. It included automised QA and Firebase mobile app deployment steps. I have perfect bash and Python knowledge and skills and good C# ones. Also I professionally worked with Windows-based infrastructure (Windows Server 2003-2022, Hyper-V, AD, GP, Exchange 2003-2019 and Exchange Online). I'm familiar with ITIL and I implemented IncM, ChgM and CfgM in many companies. I've perfect experience with enterprise-level servers (HP, Dell servers).
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    Server
    Linux System Administration
    Microsoft SQL Server Administration
    Windows Administration
    SQL
    Transact-SQL
    C#
    IT Service Management
    ITIL
    Microsoft SharePoint Administration
    Database
  • $50 hourly

    • 5.0/5
    • (33 jobs)
    ✅ Top-Rated Plus Freelancer on Upwork with over eight thousand hours of work on the platform ✅ Worked on projects for Fortune 500 companies ✅ Willing to sign NDA when needed ✅ IBM/Instana contractor and worked in enterprise environments ✅ Open to an initial call or conversation in order to scope your project or a business need 10+ years of experience at scale combined with a broad skill set. Operating Systems: Ubuntu / Red Hat / CentOS IaaS/PaaS/Cloud: AWS, GCP, Linode, Digital Ocean, Alibaba Cloud, LayerStack Container orchestration: Kubernetes, OpenShift Cloud platforms: Cloudflare (experience with Enterprise account), Sucuri Security Web & App servers: Apache, Nginx, Litespeed Enterprise, OLS Databases: MySQL, PerconaDB, MariaDB, Redis Monitoring Solutions: New Relic, Instana, Nagios, Icinga, Zabbix, Monit/Mmonit, Munin Virtualization: KVM, VMWare, LXC, Docker, Vagrant Email servers and platforms: Gmail, Zoho, Exim, Postfix, Amazon SES, SendGrid, MailGun Programming & Scripting: Bash, Python, PHP, Git Web Security: Analysis, Post-Incident response, and Vulnerability Assessment Experience with panels and hosting tech stack: WHM/cPanel, Plesk, VestaCP, GridPane, Cloudways WordPress: Hosting, WordPress Malware Cleaning, Security Hardening, Troubleshooting, Regular Maintenance Project Management platforms: Asana, Basecamp, Monday, ClickUP I am an open, honest and communicative type of person and able to fit into a team easily. I can dedicate my time and work in different time zones, and many satisfied clients had their say about my work, so feel free to reach me so we can start working together.
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    Malware Removal
    WordPress Malware Removal
    Cloudflare
    PHP
    Website Security
    Linux System Administration
    Security Analysis
    DevOps
    Git
    MySQL
    Web Hosting
    WordPress
    System Administration
    DNS
    Ubuntu
  • $20 hourly

    • 5.0/5
    • (13 jobs)
    I'm a fullstack developer with experience in building web application for small and medium sized businesses.
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    Web Development
    React
    Grafana
    C
    Shopify
    Linux
    Docker Swarm Mode
    Prometheus
    Docker
    Golang
    Python
    Redis
    MySQL
    PostgreSQL
  • $80 hourly

    • 4.7/5
    • (118 jobs)
    Server admin, Python developer, and problem solver with 20+ years of experience. Do you need help with servers, DNS, hosting, Cloudflare, Email, SSL? Does your hosting provider suck and you want to migrate? Do you want answers? I can help! Free consultation. I've run web hosting facilities, a registrar, and managed over 50k domains. Infrastructure expert. - Advanced Linux / FreeBSD Administrator and Infrastructure Engineer - Configuration and Performance Tuning - Hosting Server Migrations - Load balancing, high-availability - MySQL, PostgreSQL, MariaDB - DNS, Cloudflare - Cloud Services (AWS, DigitalOcean, Linode, Vultr, OVH) - nginx, apache, haproxy - cPanel, WHM, Plesk, Vesta, Bitnami, WordOps - Duo Security and 2FA Integrations - SSL Certificate installation and support including TLS upgrades - Wordpress performance and scaling - Python, Django, Redis, TimescaleDB, PostgreSQL ABOUT ME: Multi-disciplinary Expertise: 20+ years in server administration, software development, and business management. Proven Track Record: Founded a web hosting company serving 50k websites, generating over $1 million/year. Unique Skillset: Adept in tech implementation and project management, ensuring a well-rounded approach to your needs. Speedy learner, highly organized, efficient, ambitious, creative, and self-motivated problem solver. Excellent written and verbal communication skills. I work quickly, can problem-solve advanced tech issues, and pay close attention to details. My ability to do both hands-on tech work and business/project management gives me a unique advantage over my peers.
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    Security Management
    System Administration
    System Installation & Upgrades
    Python
    Network Administration
    MySQL
    Web Service
    NGINX
    Web Hosting
    WordPress
    Domain Migration
    Linux System Administration
    FreeBSD
  • $30 hourly

    • 4.9/5
    • (310 jobs)
    I'm an Opensouce addict with good hands of experience in Linux, Cloud solutions, Web servers, Server Security, Server setup, Performance optimization, DNS management. Linux Accomplishment -AWS, Google Cloud, Linode, Digitialocean, godaddy. -Jenkins , Ansible, Cloudfront, Cloudflare etc - cPanel Wordpress Joomla Plesk Drectadmin Cloudlinux Kernelcare - Trouble shooting problems related to FTP, DNS, Mail servers, Restarting & configuring web services such as http, ftp..etc - Correcting Configuration files. - Tuning up Apache Web Server, MySQL. - Trouble shooting scripting issues. - Server Monitoring and load balancing. - Hacking Detection. - Handling different Web Hosting Control Panels. - Server Disk Space Management. - Memory Management. - Installing O.S. - Installing Control Panel, Control Panel Utilities - Server Security maintenance. - Designing the firewall for the servers. - Maintaining the backups of the data on server. - Server related issue regarding cgi, perl, php etc. - Upgrading and installing utilities on server. - Upgrading Plesk Control Panel, Cpanel etc - Migration of domains and databases - Managing websites on the servers. - DDOS prevention
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    Email Deliverability
    Azure
    Amazon EC2
    Apache Tomcat
    Scripting
    Virtual Private Server
    Amazon EC2
    CentOS
    Plesk
    Linux System Administration
    NGINX
    cPanel
    DNS
    Apache Administration
  • $80 hourly

    • 4.6/5
    • (21 jobs)
    Hello, I am Mohammed Ahmed, I’ve been in IT field for over 15 years with experience in Open Source Linux, Unix & DevOps Technologies. I have experience in Architecture Design, implementation, supporting On-Premise and AWS Cloud platforms. I am motivated and passionate to achieve the best for my clients and business within the Open Source Linux and DevOps arena. Extensive Hands-on Experience in Designing, implementing, supporting and documenting a wide array of DevOps Environments, whether these are on-premise or AWS Cloud. Extensive experience and knowledge of Data Centre and Open Source Application Design & Deployment. Getting Open Source & DevOps architecture right in AWS can be a daunting task, knowing the Ecosystem and feature set for your specific requirements can be problematic among the hundreds of services that Amazon introduces regularly and improves on, which is why we at WeDoDevOps Consultancy, we make this simple for you and offer Professional Service with the extensive know how and assurance that you can rely on that your task, job will be handled professionally and courteously My AWS Specialism: - Single, Mutli-AZ, Multi-Region Architecting, Design, Deployment & Support of Infrastructure - Application (EC2 & ECS Microsservices) - Deployment Strategies: Green / Blue Design & Deployment of Microservices - Compute: EC2, ECS, Elastic Beanstalk, Lambda, ELB/ALB, Keypair Management, Parameter Store, Systems Patch Management - Databases: RDS (MySQL, Aurora, PostgreSQL, DynamoDB & Elasticache) - Storage: S3, Storage Gateway - Migration: Migrated successfully multiple sites On-Premise environments to AWS Cloud without any downtime or outage - Networking: Multi-site, Multi-Region VPC & Infrastructure designs and implementation, Multi-Environment (Dev, Staging, UAT & Prod) setups, Route53 Management and GEO Location Routing, Cloudfront Design and implementation for CDN, OpenVPN for On-Prem to AWS connectivity including Multi-Account, Multi-Region setups and access. - Security: IAM, Simplified User Management across Multi-Account setups, WAF, Security Groups, NACLs, AWS Organisations, SSL Management, KMS Encryption - Management: Cloudwatch, Cloudtrail, Systems Manager - Application: AWS SES, Queuing Systems - Automation: Complete Automation of AWS services using Cloudformation and or Terraform. All aspects of Infrastructure & Application deployment automated for not just single region but replicated to Multi-AZ, Multi-Region. On-Premise Specialisation: - Hypervisor: VMWare - Hardware: HP, Dell - Storage: HP Lefthand, MSA, NetApp - Monitoring: Nagios, Cacti, Solarwinds - OS: Linux All Linux Flavours Linux & Linux Application Specialism: - Comfortable in all flavours (Ubuntu, CentOS/RHEL, Amazon Linux) - Logging and Monitoring: AWS Cloudwatch Setup and ELK (Elasticsearch, Logstash, Kibana), Nagios - Security: AWS Security Group Design, NACLs (Network Access Control Lists), AWS WAF, Linux IPTables - Programming: Bash - Automation Tools: Terraform, AWS Cloudformation, Packer - Config Management: Puppet - CI/CD: Jenkins, CodeBuild - Source Code Versioning: Github, GitLab, CodeCommit DevOps Specialism: - Methodologies : Scrum / Agile (Kanban) - Work reporting: Daily Standups / Slack / IM check in - Automation: Automated deployments, Jenkins/Codebuild/Codedeploy CI & CD implementation, configuration management using Puppet, Multi-AZ, Multi-Region Architecture Design and Implementation using Cloudformation and AWS Stacksets. Multi Account Environment (Dev, Staging, UAT, Pre-Prod and Prod) implementation, AWS Blue/Green Container implementation using Cloudformation across Multiple API Services across Multiple Regions. Troubleshooting: - Easily Diagnose issues in on-premise and AWS services, enable logging and monitoring solutions for alerting and diagnostics (Email, SMS, etc) alerts. Account Review: - Account review on existing AWS architecture and advise on best practices within Networking, Compute, RDS, Storage Security, User, Backup and General Management. Please do get in touch with me to discuss any of your requirements or concerns. I more than welcome calls, IM Meetings to speak to clients / companies how they could benefit using AWS Linux & Opensource DevOps Technologies. Whether an ongoing issue, new issue, ongoing support, designing, architecting, implementing, supporting small, medium or large environments or platforms or single server project, I can definitely help you and many more situations alike. I am honest and reliable, always willing to go the extra mile and open for new knowledge. Feel free to contact and or invite me regarding any of above or if you need something not listed in my profile, always happy to have a chat/discuss.
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    Load Balancing
    Security Infrastructure
    Kubernetes
    Computing & Networking
    Big Data
    Terraform
    WordPress
    AWS CloudFront
    Amazon EC2
    Amazon ECS
    Amazon Web Services
    Docker
    AWS CloudFormation
    Linux System Administration
    DevOps
  • $78 hourly

    • 5.0/5
    • (46 jobs)
    Highly experienced and skilled in linux system, linux kernel and linux system programming. I had served in NXP semiconductor for 7 years, and worked in linux field for more than 15 years. Linux Kernel - Subsystem: KVM Virtualization, Filesystem, Network, USB, Linux Video - Debugging: Performance, System Analysis, Software Debugging, OOPS Embedded Linux - Frameworks: OpenWRT, Yocto, Android - Device Driver: USB, XHCI, WIFI, LTE, Network, Camera Linux System Development - System: Ubuntu, Centos, Archlinux, Raspberry pi, Orange pi - Network: VPN, VXLAN, IPTABLE, Router, Wireguard - Virtualization: Qemu, Libvirt, Virtualbox, Docker, K8s Programming Skills - C/C++ - Bash/Makefile - Android - Python
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    Private Cloud
    Ubuntu
    C
    Golang
    Network Engineering
    Linux System Administration
    Full-Stack Development
    System Programming
    DevOps
    Performance Optimization
    Troubleshooting
    Cloud Computing
    Kernel-based Virtual Machine
    Kernel
    Linux
  • $35 hourly

    • 4.8/5
    • (22 jobs)
    Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel: Plesk, WHM, Cpanel, Webmin, Virtualmin Virtualization: KVM, VMware, Citrix Xen Server, VMware Esxi, Proxmox, Advanced KVM command-line Security Compliance: PCI-DSS, DISA STIGs. Devops Tools: Docker, Docker-compose, Jenkins, GitHub,Vagrant, Vagrant with Docker as provider , Ansible, Foreman Network: Router configuration of cisco router, modem. IP subnetting. Database: Mysql, Postgresql, Oracle, MS-SQL Accounting: Tally 6.3, Tally ERP 9 on Linux Operating System: Debian-{8,9,10}, Centos-{3,4,5,6,7}, Ubuntu-{12,14,16,18,20.04,22.04}, Windows server -{2003, 2008, 2012, 2016, 2019,2022} Private cloud: Eucalyptus (Ubuntu Enterprise cloud) Cloud: AWS, Gcloud, Azure create VPC, public-private subnet, route table, Internet gateway, network acl, amazon ec2 instance Migration, updation. ERP: ERPnext Multitenant, ERPnext in Google Cloud K8s cluster Log Server: Solarwind Kiwi syslog Domain Server: Windows AD, Samba4 Server provisioning and PXE installation for Linux and Windows. Source code Compilation and Cross compilation for various architecture. Server Administration, Webhosting, Web migration, Web and DB performance tuning, SSL Certificate Installation, Shell scripting, Deployment of various software and server, Mail server etc. Postgresql cluster, high availability, Load balancing. Master-master Replication. GlusterFS Replication and Geo-replication. Linux Distros: Kiosk live image. FFMPEG, v4l2loopback, Proxy: Haproxy
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    Ceph
    Apache HTTP Server
    NGINX
    Bash
    Postfix SMTP Server
    Server Virtualization
    Jenkins
    Docker
    Vagrant
    Google Cloud Platform
    VMWare
    Kubernetes
    Mail Server Implementation
    Amazon ECS
    Linux System Administration
  • $55 hourly

    • 5.0/5
    • (187 jobs)
    Servers administration, security hardening, malware cleanup, prevention of hackers intrusion, DevOps, DNS, email, web hosting setup, migration, troubleshooting, recovering, monitoring, automation, scripting, supporting, writing documentation. 5+ years on Upwork, 180+ success projects, 100% individual freelancer. I offer reasonable services in areas: Security: • malware cleanup, websites recovery; • penetration testing; • security hardening for servers and websites; Web hosting: • websites migration and web hosting setup; • hosting optimizing for speed and security, troubleshooting; • DNS configuration and troubleshooting, Cloudflare automation; • setup and support hosting panels (Plesk, cPanel/WHM, HestiaCP etc); • deploy and support various CMS (WordPress, Drupal, Typo3 etc); • cloud hosing (VPS) setup and automation (DigitalOcean, Linode, Hetzner, Vultr etc); DevOps and Clouds: • automation scripting with Bash, CMD, PowerShell; • clouds service and infrastructure setup (GCP, AWS, Azure); • virtualization (Proxmox VE, Docker, Podman, Hyper-V, XEN); • Kubernetes; • CI/CD pipelines. IT infrastructure administration tasks: • monitoring and maintain of servers and infrastructures; • DNS configuration, mail servers; • mesh networks (Netmaker, Zerotier etc), Wireguard, VPN (IPSec); • servers and workstations administration (Windows, macOS, Linux); Systems and services troubleshooting, data recovery: • OS restoring and boot recovery; • deleted data recovery; • software and systems troubleshooting; • filesystems and RAID recovering.
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    Debian
    Disaster Recovery
    Data Recovery
    Web Server
    Scripting
    Website Security
    Web Hosting
    Cloudflare
    Proxmox VE
    Linux System Administration
    Virtual Private Server
    Malware
    DNS
    Ubuntu
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