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Hire the best KVM Virtualization specialists

Check out KVM Virtualization specialists with the skills you need for your next job.
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  4. (Current) KVM Virtualization Specialists
  • US$90 hourly

    • 5.0/5
    • (7 jobs)
    Over 15 years experience in IT, started my career in 2004. 7 years as a lead network engineer and head of tech support in local ISP. Built and managed a highly available IP/MPLS network with over 40Gb/s peak upstream traffic, capable of providing L2/L3 VPN services with QoS, as well as IP transit for other ISPs and subscriber management for broadband users. Personally hired and trained team of engineers, who are now capable of further development and support of the mentioned network. 5+ years as a system engineer and architect in a public/private cloud and IT services business. Built and maintaining highly available Openstack/CEPH cloud based on Canonical Openstack. We're providing our customers with general VPS/cloud services as well as custom IT solutions. This is my primary occupation at the moment. I mostly work with environments based on Linux(Ubuntu, CentOS): configuring monitoring, alarming, and billing services for continuous business operations. I'm good at learning new things, as well as teaching other people my trade.
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    Python
    Ansible
    Ubuntu
    Kernel-based Virtual Machine
    TCP/IP
    Multiprotocol Label Switching
    OpenStack
    Juniper
    Ceph
    Linux
  • US$150 hourly

    • 5.0/5
    • (102 jobs)
    Telecommunication and Systems engineer with a focus on Cloud, Networking and Linux, experience in Infrastructure management and deployment. Deployed Private Cloud infrastructure, Datacenter Network Design for Multi-tenancy, fault-tolerant design, NIC Bonding and VRRP for High Availability. Stack: *Full virtual networking with vSwitches and vRouters *VLAN, VxLAN, GRE and Overlay tunnels *IPv6 *MP-BGP, EVPN *Firewalling *VPN/OpenVPN/IPSec/WireGuard/Site to Site and Client-Server * VPP/DPDK for 100G VPN and routing *Advanced Linux management: IPTables, Kernel modules, Virtualization, Networking. *Traffic engineering *Advanced StrongSwan IPSec tunnels, XFRM *Cloudstack with Open vSwitch *OpenNebula with Open vSwitch *OpenDaylight SDN controller with OpenvSwitch *Advanced Proxy setup with Squid/Nginx *Virtuozzo and OpenVZ *KVM and Libvirtd *RADIUS and FreeRADIUS *Pacemaker/Corosync/Keepalived HA cluster *MTLS design and implementation with NGINX *IoT gateway implementation with Raspberry Pi and 4G modems *DevOps experience with Chef and Ansible *Bash and Python scripting
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    Internet of Things
    Apache CloudStack
    Linux System Administration
    OpenVPN
    Computer Network
    Private Cloud
    Kernel-based Virtual Machine
    System Administration
    Firewall
    Ubuntu
    Network Security
    Linux
    Internet Protocol Security
    Network Engineering
    VPN
  • US$88 hourly

    • 5.0/5
    • (74 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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    Embedded C
    Embedded Linux
    Private Cloud
    Ubuntu
    Golang
    Network Engineering
    Linux System Administration
    System Programming
    Performance Optimization
    Troubleshooting
    Cloud Computing
    Kernel-based Virtual Machine
    Kernel
    Linux
    C
  • US$49 hourly

    • 5.0/5
    • (4 jobs)
    Result oriented Software professional with 15+ years of development experience. Few projects that I have worked on- - Linux kernel memory management, interrupt handling for GPU device driver - Openstack Nova, Manila, Designate software development - Production ready Openstack deployment using Ansible, kolla-ansible, Juju - Terraform integration of Openstack provider - Embedded software development for VIRTIO GPU/video decoder/encoder/camera - VMware ESXi 6.x/7.x Kernel driver development. - PCI passthrough, NVIDIA VGPU, VIRTIO devices, KVM/qemu/Libvirt - Kubernetes - (CKA Certified) and k8s, docker, prometheus, Grafana, CI/CD pipelines - Expertise in languages - C, C++, Python, Go. I believe in problem solving and focus on finishing task no-matter-what. Work in customer time-zone e.g. USA/EU for most of the projects. I find more comfortable with long-term project as it gives good experience and help to understand the things in details. So if you are looking for long-term reliable software developer, you reached right profile. Just ping me and I will response within 8 hours. Thanks for visiting my profile, looking forward to working with you.
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    Operating Systems Development
    Server Virtualization
    Amazon EC2 Bare Metal Instances
    Linux System Administration
    Virtualization
    Server & Virtualization Software
    DevOps
    VMware ESX Server
    Kernel
    Docker
    OpenStack
    Red Hat Enterprise Linux
    Kernel-based Virtual Machine
    Embedded System
  • US$50 hourly

    • 5.0/5
    • (89 jobs)
    System administrator for various Linux distributions, database and network administrator. Managing complex deployments for python, php, java and nodejs. Security technology specialist with over 15 years of experience in wide areas of network engineering and management, cyber and systems security, software and web development, cloud computing. Dedicated to improving critical thinking and providing best solutions and results. Able to adapt to changing priorities and maintain a positive attitude and strong work ethics. * Worked on various vpn implementation project for financing and banking industry (payment gateways, SIP implementation, etc.), gateway and remote access for both Unix and Windows servers * Experience with various vpn platforms (pfsense/opnsense, vyatta, vyos, openvpn, wireguard, shadowsocks, Unix based vpn, etc.) * PCI compliance specialist, able to deliver quality in short time * Strong troubleshooting network and routing problems skill * ElasticSearch cluster and replication, logstash, kibana and indexing strategies specialist
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    Kernel-based Virtual Machine
    Docker
    SEO Backlinking
    Information Security
    Search Engine Optimization
    Configuration Management
    Server
    Elasticsearch
    Load Balancing
    VPN
    Database Administration
    Email Security
    Linux System Administration
    Network Engineering
    NGINX
  • US$40 hourly

    • 4.9/5
    • (92 jobs)
    As a Crestron Certified Programmer with 9 years of experience, I specialize in: Programming and Configuring AV Systems: Expertise in configuring and programming audio and visual systems, including video conferencing, digital signage, lighting, sound, and control systems. Collaboration with Internal Teams: Working closely with project managers, AV designers, and installation technicians to ensure systems meet clients' needs. Troubleshooting and Issue Resolution: Quickly identifying and resolving technical issues related to audio and visual systems. System Testing and Technical Support: Conducting thorough testing and providing ongoing technical support post-installation to ensure client satisfaction. Programming Expertise: Proficient in programming Lighting zones, Smart Remotes, iPhones, iPad, HVAC, Smart TVs, alarm Systems, Snow Melt Systems, Multi-Room Audio systems, and Crestron Digital Media Switchers. Integration with VoIP Servers: Able to integrate systems with VoIP servers for local and international calling capabilities. Crestron Fusion Setup: Experienced in setting up Crestron Fusion for room scheduling and system monitoring. Integration with KNX or C-bus: Capable of integrating Crestron systems with KNX or C-bus protocols. Voice Control Integration: Skilled in integrating Crestron systems with Amazon Alexa or Google Home for voice control functionality. Code Editing and Troubleshooting: Proficient in editing Crestron code to add more features and troubleshooting system equipment. Additional Technical Proficiencies: Operating Systems: Proficient in RHEL, Debian, Ubuntu. Scripting Languages: Experienced in Bash, Python. Database Management: Knowledgeable in MySQL. Cloud Management: Familiarity with AWS, Digital Ocean, Linode, etc.
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    Home Automation
    Linux System Administration
    Extron Programming
    C#
    Crestron Programming
    FreePBX
    Virtualization
    Red Hat Administration
    cPanel
    Asterisk
    VoIP Administration
    Kernel-based Virtual Machine
  • US$45 hourly

    • 4.9/5
    • (76 jobs)
    I am a certified cloud architect and Linux platform engineer with DevOps automation, and site reliability engineering experience. Expertise and Experience ( 15+ years in tech & IT ) Administering cloud infrastructure or developing cloud applications ( GCP, AWS) Configuration management, including Infrastructure as Code Linux, shell-scripting and command-line tools Programming in one or more high-level programming languages ( Python) Networking (e.g. DNS, routing, firewalls) Source-control management (e.g. Git) Continuous Integration / Continuous Deployment (CI/CD) Monitoring, metrics, and alerting Containerisation (e.g. Docker) Administering, developing applications for, or deploying applications to Kubernetes Using or developing applications with service mesh ( Istio) Operating production-grade services Providing technical support Building serverless or cloud-native applications Writing technical documentation Developing processes and procedures Securing applications, services, and data (e.g. authentication, authorization, encryption, and TLS) IaC using Terraform Elasticsearch, Prometheus, Grafana, HashiCorp Vault Bachelor in computer science Kubernetes ( and Docker ) Specific Experience: - Cloud and On-Prem Kubernetes Cluster Administration - Automating Docker builds, push deployments, etc - Creating and managing on-prem clusters using RKE - Working with AWS EKS and Google GKE - Troubleshooting failed volumes and pods - Kubernetes deployments, stateful sets and daemon sets - Working with Cert Manager and other Add ons - Working with Helm charts and operators - Troubleshooting admission and mutating webhooks - Working with logging and events to fix stuff - Using ArgoCD to implement Gitops on Kubernetes - Upgrading Kubernetes clusters and fixing API version issues - Upgrading Kubernetes/EKS versions and Add ons - Configuring resource requests, limits, HPAs, VPA, Cluster AutoScaling etc Certifications: - Google Professional. Cloud Architect - Google Professional Data Engineer
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    AWS Fargate
    Cloud Migration
    Docker
    GitLab
    Elasticsearch
    Kubernetes
    Linux System Administration
    DevOps
    GitHub
    CI/CD
    Terraform
    Python
    Google Cloud Platform
  • US$70 hourly

    • 4.9/5
    • (117 jobs)
    Hello, my name is Andrii. In my childhood, I spent a lot of time with a soldering iron, making different interesting things. At high school, I got a PC at home and started... Dos, Win, Linux, FreeBSD. At the present time, I have more than 20 years of Win experience and more than 16 years of *nix experience. I like to build systems and solve interesting issues. OS - FreeBSD, Linux (CentOS, Alma, Rocky, RHEL, Ubuntu, Debian, Gentoo, etc), Windows (3.1-2019) Virtualization - vSphere 5.x, 6.x. Standalone ESXi and clusters with SAN storages (iSCSI). KVM, Proxmox, oVirt. Veeam BnR, XSI-backup. VmWare Workstation, VirtualBox. Web servers - Apache, Nginx, Lighttpd, Tomcat DB servers - MySQL, MariaDB, Postgresql, MongoDB Mail - Postfix, Courier/Dovecot/Cyrus, Rspamd, Postgrey, Clamav, PostfixAdmin, SquirrelMail, Roundcube, Sendy, AWS SES. I have experience with WHM/cPanel, Plesk, VestaCP, Virtualmin, ISPmanager, but I don't like control panels (most projects are optimized for best performance, and there is no place for CP). If needed, I can learn and work with any control panel. Samba3+LDAP, Samba4 domains (about 500 user accounts, GPO, Roaming profiles, a lot of other stuff). Standalone samba servers. Docker, docker-compose, Jenkins, Ansible. FreeNAS, TrueNas. Squid (LDAP auth, AD auth, basic auth, Kerberos), FTP, SFTP, DHCPD, BIND, TFTP, DAViCal, tinc, mpd5, quagga, BGP, NFS, rsync, snapshot, rclone, Zabbix, SVN, GIT, Moodle, NextCloud, OnlyOffice, BigBlueButton, Caddy, etc. Dell servers, Dell PowerVault MD storages, HP servers, SuperMicro servers, and usual PC hardware. HP, 3Com, Dell switches, no Cisco experience. DD-WRT, including cross-compiling software from sources for this firmware for ARM arch. Shell, PHP scripting I have a lot of other expertise. Feel free to ask.
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    VMWare
    Virtualization
    LDAP
    Dovecot
    Linux System Administration
    FreeBSD
    Windows Administration
    MySQL
    PostgreSQL
    Postfix SMTP Server
    DNS
    NGINX
    CentOS
    Linux
    Ubuntu
  • US$50 hourly

    • 5.0/5
    • (44 jobs)
    I always believe in good and completed work. Feel Free to contact with me. I am highly skilled over in Sales, Web Research, Project Management, Leads Generation and Business Development. I am reliable, competent, fast learner, adaptable to whatever tasks are given to me, keen and attentive to each and every detail.
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    Docker
    HAProxy
    Jenkins
    MySQL
    AWS Systems Manager
    AWS CloudFront
    Amazon
    AWS CloudFormation
    Google
    Zabbix
    Domain Migration
    DevOps
    Linux System Administration
    Computer Network
    Linux
  • US$35 hourly

    • 5.0/5
    • (165 jobs)
    A satisfied client is the goal of my work. I have over 10 years of experience with many operating systems. I have experience in configuring, monitoring, updating and maintaining system hardware, software and related infrastructure. I have strong analytical skills. I can work with technologies from a variety of engineering disciplines to troubleshoot complex system-level problems. I am motivated, dedicated to my work, responsible for solving the tasks assigned to me. Business before pleasure!
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    Plesk
    cPanel
    Proxmox VE
    Zimbra Administration
    Microsoft Windows
    Linux
    Docker
    Virtualization
    Azure DevOps
    Microsoft Azure
    AWS Systems Manager
    AWS Server Migration
    System Administration
    Network Security
    Cloud Engineering
  • US$70 hourly

    • 4.9/5
    • (17 jobs)
    I've been in IT for 10 years, across the following fields: Software - OSS contributor (Linux kernel, Homebrew, Wine, Zstandard, Responses, POX, Faucet) - Python/Flask, Ruby/Rails, Java, C#, ReactJS, React Native, MySQL, PostgreSQL - Unit testing, fault finding, troubleshooting - RabbitMQ, Kafka, ZeroMQ - REST/SOAP/GraphQL/Proprietary API development Machine Learning - Theano, Tensorflow, Keras - Floydhub, GPU training - XGBoost, Resnet, Mobilenet, YOLO, UNet, OpenCV Devops - Jenkins, TravisCI - Docker/compose, LXC - Ubuntu/Debian/Fedora/RedHat Network engineering - Cisco/Juniper/Brocade/Mikrotik/OpenVSwitch - Software defined networking (SDN) - BGP/OSPF/MPLS/VLL/VPLS/LDP/RSVP/VLAN Reverse engineering - IDA/Ghidra - Wireshark/tcpdump - Familiar with a range of encryption/obfuscation techniques and methods for investigating them - Experienced with reconstructing file/protocol formats from sample data
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    Software-Defined Networking
    Network Engineering
    Ruby on Rails
    React
    Reverse Engineering
    Java
    Python
  • US$20 hourly

    • 4.9/5
    • (400 jobs)
    I am RHCE & RHCSS certified professional with over 5 years of System and Database Administration experience including experience in the areas of different Linux Distribution like Redhat, Suse-Linux, CentOS, Ubuntu, Debian, Window Server and database like MySQL, Oracle etc. I am very hardworking, dedicated and honest person and always give my 100%.
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    SSH
    Windows Administration
    WordPress Malware Removal
    Web Hosting
    SSL Certificate
    Email Support
    Website Migration
    Proxmox VE
    Amazon EC2
    Domain Migration
    Linux System Administration
    LAMP Administration
    cPanel
    Plesk
    Amazon Web Services
    CentOS
    Ubuntu
  • US$50 hourly

    • 5.0/5
    • (89 jobs)
    🔹Highly skilled IT Specialist with premier support capabilities. 🔹Efficient communicator in English. 🔹Unwavering commitment to responsiveness. 🔹Over a thousand hours logged on Upwork. 🔹Successfully completed more than 60 projects on Upwork. 🔹Bringing 22 years of IT experience to the table. 🔹Available full-time and open to relocation. As a certified System Administrator, Developer, Programmer, and Project Manager, I am the professional you seek assistance from. I hold LPI (101 & 102) and RHCE certifications and have a well-rounded skill set in the IT sphere, from automation to development across mobile, desktop, and web platforms. Over the past 15 years, I've acquired significant experience across a broad spectrum of software and systems. Notably, my skills include: 1. **Linux System Administration**: I've worked with numerous Linux systems since 2006, starting with Fedora, then CentOS and Ubuntu, managing their installation, configuration, and maintenance. 2. **Scripting**: I take immense pleasure in scripting, particularly for automation. I've honed my skills in Linux (bash) and Windows (AutoIT - batch) scripting, automating tasks even without command-line interfaces. 3. **Hosting Services**: I am proficient in handling various control panels for hosting and administration like cPanel, Plesk, ISPconfig, Webmin, Usermin, AWS, DigitalOcean, and Rackspace, among others. I can also manage standalone software like Apache, MySQL Server, and other servers. 4. **VPN Services**: I've installed and configured servers for VPN services, including PPTP and OpenVPN, and developed custom control panels for clients. I am proud to be the solo developer of vpnplatform (vpnplatform.org/team). 5. **Malware Mitigation**: I can clean your Windows systems of malware and secure them effectively. I've even developed an app, "Automated Malware Wizard," for comprehensive malware cleaning and system updating. 6. **Networking**: As a former ISP CEO, I delivered internet services to over 200 local subscribers at Hamad ISP. 7. **VOIP**: Experienced in Asterisk and Asterisk GUI installations. 8. **Virtualization**: Proficient with VMware and VirtualBox, complementing my hosting service capabilities. 9. **Email List Management**: I can effectively manage and clean your email lists, ensuring they stay away from SPAM lists. 10. **Web Development**: Proficient in HTML/CSS/PHP/MySQL/JavaScript for web page development. 11. **Other skills**: Experience with Oracle Databases, Android, and Java programming. I am always available for contact via email, SMS, or phone call, and ready to relocate if needed. I respect my work, ensuring confidentiality while dedicating my utmost effort. As the leader of a team of IT specialists, I can provide a holistic solution to your IT needs, from mobile to web development. Our mission is to deliver beyond your expectations. Please note: I am flexible with my availability and open to relocation. Currently, I reside in Istanbul, Turkey. Best regards, Ahmed Hamad
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Docker
    Zabbix
    Network Monitoring
    Jenkins
    Technical Support
    OpenVPN
    Amazon ECS
    Virtualization
    Linux System Administration
    Network Administration
    Terraform
    Ubuntu
    CentOS
  • US$40 hourly

    • 5.0/5
    • (10 jobs)
    A full-stack developer and open-source evangelist with solid experience in deploying complex telecom and IT infrastructures Expertise: DevOps, Linux system administration, VoIP and data network design and implementation consultant, PHP, Python Developer, Implementation of High-Availability and Clustered system services
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    PfSense
    Kubernetes
    FreeSWITCH
    MongoDB
    MySQL
    PostgreSQL
    OpenStack
    Celery
    VoIP Software
    RabbitMQ
    Linux System Administration
    Business with 1000+ Employees
    Ubuntu
  • US$110 hourly

    • 4.8/5
    • (115 jobs)
    GET A FREE AWS Well Architect Review. ⭐⭐⭐⭐⭐ "Rarely have I worked with someone as skilled and thorough as Carlos is. Setting up my team on git, configuring our AWS servers to be safe, scalable, and fast, working with my developers to optimize code, being a good person". James Rector, UPWORK With 90+ 5-star projects, I'm one of highest-rated and highest-earning AWS freelancer on UPWORK. I have been helping SaaS businesses to build scalable, secure, highly available and high-performing environments on AWS following DevOps best practices. Here is what I can help you with: ✅ . Review of your AWS current architecture performance, security and costs ✅ . Architecture of new AWS infrastructure and Data Pipelines ✅ . Migrations to AWS, AWS Cost Reduction, Database Optimisations, ✅ . Managed Services SLA Problems that I solve: ⚡️. Performance At Scale: I build and deploy industry-tested and proven infrastructure code that ensures your application runs and performs fast without compromising security. ⚡️. Cost Optimisation: My infrastructure architecture enables the efficient use of resources and can help you save up to 90% in your AWS costs ⚡️. Security & Compliance: I can help you Scale and innovate quicker while building a solid foundation that will help you maintain a secure, compliant environment. ⚡️. Training & DevOps. I can help you increase your team's technology adoption while automating your DevOps processes. Technologies that I adopt and I'm an expert at: ➡️. AWS services such as s EC2, ECS, EKS (Kubernetes), S3, RDS, Step Functions, Lambda, AWS Gateway API, DynamoDB, Beanstalk, Elasticache, SNS, SES, IAM, ControlTower, WAF, Shield, Cloudformation, Cloudfront, CloudWatch, VPC, Route 53, Certificate Manager and others. ➡️. Supporting services such as CDK, Terraform, Rancher, ISTIO, Prometheus, Grafana, Teleport, Papertrail, Graylog, New Relic, Dynatrace, DataDog, Kafka, NEO4J and Spot.io. ➡️. Strong CI/CD DevOps engineering using GitHub/BitBucket Pipelines, CircleCI, ARGOCD. Industries: — FinTech — Media — Ecomm — and more! ----- Here are some of the case studies of the clients I have helped with: 1. MONETRACK - Deploying a client stack in minutes on AWS instead of weeks Industry: Finance Problem: An unreliable process that caused constant frustration and delays. Process: Each deployment would take days to weeks to be set up, requiring between 5-6 people. Results: They now deploy a client stack in minutes instead of weeks using AWS EKS and a customised CI/CD process. In addition, I have: · Improved deployment time from weeks to minutes. · 80% reduction in costs per deployment. · Secure alignment with their client's compliance requirements. 2. Tourism Media - Great flexibility, deploying applications faster and secure on AWS Industry: Media Problem: With no CI/CD integration across all deploys, the job to integrate each stack was inconsistent and pruned to errors. Process: Deployment was not consistent across the board; they were also not resource-friendly Result: They can now push out a consistent deployment process across the company while being quickly adopted by their teams. In addition, I also have: · Improved deployment time by 60% · 70% costs reduction in EC2 instances · Greater scalability and reliability than their Legacy infrastructure. 3. Value-Ad - Scale 10X more on AWS with great stability and without the extra cost. Industry: Finance Problem: An infrastructure that could not scale securely and effectively was harming their client base. Solution: Deploy a new AWS EKS (Kubernetes) environment that is scalable, highly available, secure (PCI-DSS compliant) and cost optimised using AWS Well Architect Framework best practices. Result: They can now handle 10X more requests with excellent stability and without extra cost than their legacy infrastructure. In addition, I have added: · Greater scalability and reliability · Deployments are simplified and done in minutes instead of hours · 32% cheaper than its previous infrastructure ----- Now a bit of myself: I'm a passionate professional with 25 years of experience in enabling business strategies through the practical application of technology architecture principles, practices, and tools. User-centric and solution-oriented, I have managed projects and teams across Australia, New Zealand, the USA, Brazil, the UK, Ukraine, Singapore, Vietnam and India over the past 14 years. A problem-solver in a broad range of technology stacks covering Architecture, Development, Integration, Data, Infrastructure, and Support. Seamless configuration and migration include fast deployment of critical and complex workloads on the cloud with hands-on expertise in AWS Services. I take pride in my relentless passion and drive to deliver effective and sustainable results. I always wanted to create a company that empowers our clients with everything they need to drive innovation. Send me a message. I would love to discuss your project.
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Amazon Virtual Private Cloud
    AWS Lambda
    Amazon EC2
    AWS CloudFront
    Amazon DynamoDB
    Serverless Computing
    AWS Server Migration
    Linux System Administration
    Amazon RDS
    Amazon S3
    Rancher
    Kubernetes
    Amazon Web Services
    Docker
    Terraform
  • US$80 hourly

    • 5.0/5
    • (109 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
  • US$28 hourly

    • 4.7/5
    • (16 jobs)
    Hi, I'm a Software Quality Assurance Expert with about 10+ years of experience in both automation and manual testing. Created 10+ python and JAVA based automation frameworks for different kind of projects, including web desktop and mobile applications. Writing test plans and creating automated regression cases. Have a deep knowledge and experience in performance and stress testing. Have a deep knowledge of web UI automation.
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    Selenium WebDriver
    Java
    Python
    LabVIEW
    Automated Testing
    Software Testing
    Azure DevOps
    Git
    RESTful API
    QA Engineering
    QA Management
    Jenkins
    End-to-End Testing
    GitLab
    Regression Testing
  • US$98 hourly

    • 4.5/5
    • (154 jobs)
    Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I have a great deal of expertise in: * real time embedded systems * cross compilation/software construction * source control * network programming * system administration * kernel level programming/device drivers * image processing * performance and metrics
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    Image Processing
    C
    Apache Subversion
    Agile Software Development
    Embedded Linux
    Linux System Administration
    Driver Development
    FreeBSD
    Git
    Assembly Language
    TCP/IP
    Version Control
    Object-Oriented Design
    Unix System Administration
    DHCP
  • US$20 hourly

    • 4.1/5
    • (42 jobs)
    I am a solutions-oriented IT professional with a passion for technology. I have notable success in working with a team of motivated individuals to coordinate multiple projects simultaneously. An ambitious professional always seeking ways to improve and remain relevant to advancements in technology.
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    PfSense
    Wireless Network Implementation
    LAMP Administration
    Microsoft Hyper-V Server
    Network Security
    Vagrant
    Linux System Administration
    Cisco Certified Internetwork Expert
    MikroTik RouterOS
    Ubiquiti
    Cisco IOS
    Amazon ECS
    Ansible
    Microsoft Azure
    Google Cloud Platform
  • US$200 hourly

    • 4.9/5
    • (573 jobs)
    An Expert Vetted writer with a background in cybersecurity and engineering, I provide content that positively impacts client search visibility and sales. My content increases organic traffic, user engagement and revenue for enterprise businesses including Microsoft, Adobe, Rackspace, CloudLinux, SolarWinds and IBM. I "speak" to CIOs, CTOs, CISOs, software engineers, and other technical people using my experience in the field, and I have the ability to engage executives with the buying power to purchase your products. I've helped numerous cybersecurity companies, software engineers, B2B businesses, SaaS developers, API developers, and other technical organizations improve their search engine rank and generate revenue. Client analytics show that my content drives traffic and customers to client products, and they see an increase in revenue directly from my content. I can work with your SEO research or work with my own. I have a SEMRush account to perform keyword research and generate ideas for your site. I keep my workflow flexible for my customers so that they can focus on marketing their products and let me handle the content. A few target industries where I've helped clients the most: - Cybersecurity. I explain to developers how to write code that isn't vulnerable to common exploits or generate search engine traffic by reporting on the latest zero-day. - API providers. I write code and content to explain to developers how your API can help them. - SaaS. My content explains to buyers how your SaaS application improves productivity, saves them money, and helps your customers build better products. - B2B. I explain how your products help businesses using technical blog content written for your average customer. I write content for: - Industry blog posts - Whitepapers - Technical documentation, mainly for API endpoints and SaaS - Copywriting and website content Topics I cover: - SaaS - Cybersecurity - Network engineering, network security - Information security, infrastructure security - Email security - Software engineering, software development, programming - NIST framework - Compliance including HIPAA and PCI Languages I work with: - .NET (C# and VB.NET) - Python - node.js - SQL - JavaScript - PHP - PowerShell
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Information Technology
    Website Security
    Email Security
    Search Engine Optimization
    Technical Writing
    Information Security
    SaaS
    Network Security
    Technical Documentation
    Cloud Security
    Marketing
    Content Management
    Copywriting
    Technical Editing
    Content Writing
  • US$25 hourly

    • 5.0/5
    • (21 jobs)
    - Linux system administrator with experience of server administration 15 years. - Possesses self-discipline, responsibility and the ability to work with the minimum of - supervision. - Logical mind and solution to the problems of any complexity. - A proven ability to administer and control the operation, configuration and - maintenance of linux servers, as well as having an eye for detail and able to multi-task under pressure. - Having experience of Shell/Bash script writing, XEN/KVM/OpenVZ/Proxmox/WSL virtualization. Amazon services. - Can relate well with people at all levels and has the flexibility of working well as part of a team and on my own.
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Apache Administration
    Kernel-based Virtual Machine
    Linux System Administration
    OpenVZ
    cPanel
    Exim
    FTP
    Bash
    NGINX
    CentOS
  • US$56 hourly

    • 4.9/5
    • (201 jobs)
    I provide a broad range of system administration services covering everything needed for classic, virtual & cloud environments. Services include: installation, initial setup, designing highly scalable systems, optimization, security hardening/auditing, monitoring, website/server migrations. I am responsible, result oriented and always stick to deadlines. Some of my areas of expertise include: - Linux ( RHEL, CentOS, Ubuntu, Debian ) - Automation ( CHEF, Ansible, Terraform ) - Virtualization (Docker, ESXi, KVM, K8S, EKS) - Database Administration (MySQL,PostgreSQL, MariaDB, MongoDB) - DNS Server (Bind, NSD, PowerDNS ) - Web Server (LAMP, LEMP, HAproxy) - Email ( Postfix, Exim, SPF, DKIM ) - Monitoring ( AppDynamics, ELK, Nagios, Zabbix, Prometheus, Grafana, Graylog, Splunk ) - Bash Script, Python, PHP, JavaScript, WordPress, GIT - WHM/Cpanel, Plesk, Virtualmin/Webmin etc. - AWS, GCP, Digitalocean, Linode etc
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    DevOps
    Terraform
    Grafana
    AppDynamics
    Jenkins
    JavaScript
    Progress Chef
    Linux System Administration
    Information Security
    Bash Programming
    PHP
    Amazon Web Services
  • US$35 hourly

    • 4.6/5
    • (21 jobs)
    Hello, I'm Zidan, a seasoned cloud infrastructure and observability expert with over 10 years of experience in designing, implementing, and optimizing cloud solutions. I hold 5x certifications in Google Cloud Platform (GCP) and observability, demonstrating my proficiency in cloud technologies and monitoring tools. Additionally, I bring extensive expertise in Amazon Web Services (AWS), Terraform, and Kubernetes, having successfully deployed and managed complex cloud environments for diverse projects. My skills include architecting scalable and resilient cloud architectures, optimizing performance and cost-efficiency, and implementing robust monitoring and observability solutions. With a proven track record of delivering high-quality solutions, I am committed to helping clients leverage cloud and cloud native technologies to achieve their business objectives. Let's collaborate to transform your cloud infrastructure and unlock its full potential.
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    DevOps
    ELK Stack
    Prometheus
    Grafana
    Elasticsearch
    SonarQube
    CI/CD
    Bash
    Docker
    Google Cloud Platform
    Git
    Terraform
    Golang
    Amazon Web Services
    Kubernetes
  • US$40 hourly

    • 4.9/5
    • (43 jobs)
    A highly skilled and very motivated DevOps/Systems Engineer with 6+ years of hands-on experience managing Linux-based systems and cloud-based infrastructure with a bachelor's degree of computers and information science from one of the top universities in Egypt SKILLS ✔️ Cloud Platform: AWS & Digital Ocean ☁️ ✔️Containers: Docker & Docker compose 🫙 ✔️Container Orchestration: Docker Swarm, Kubernetes & EKS 🎷 ✔️Kubernetes Application: Helm Charts & Kustomize ⚓️ ✔️Continuous Integration/Deployment: GitLab CI, Jenkins & GitHub Actions ⚒️ ✔️GitOps : ArgoCD 🚀 ✔️Configuration Management: Ansible ⌨️ ✔️Infrastructure as a Code: Crossplane, Terraform, Terraform Cloud & Terragrunt 🏗 ✔️ Programming and Scripting: Bash and Python3 👨‍💻 ✔️Logging, Monitoring & Alerting: ELK, Sentry, Sumologic, Grafana, Prometheus, Alert Manager & Victor Ops 🔍 ✔️Operating Systems: Linux (RHEL & Debian) & Unix Systems 💻 ✔️Technologies: AWS SAM, Serverless Framework, Serverless applications development & Microservices applications deployment 🎯 ✔️VCS: GitHub, GitLab & BitBucket 🗃️
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Linux System Administration
    Red Hat Enterprise Linux
    Bash Programming
    CI/CD Platform
    Automation
    DevOps
    Ansible
    Amazon Web Services
    Terraform
    Docker
    Jenkins
    Git
    Kubernetes
  • US$120 hourly

    • 4.7/5
    • (32 jobs)
    🌟 Upwork TOP RATED 🌟 I'm a Sr. Site Reliability Engineer with over 12 years of experience in the web industry. I specialize in infrastructure and automated solutions, and I have a proven track record of delivering high-quality results on time and within budget. I have extensive experience with AWS, GCP, Kubernetes, Terraform, CI/CD, Linux, Elasticsearch, Kibana, Prometheus, Grafana, and Alert-Manager. I'm also passionate about solving problems and building reliable infrastructure. 🌟 Why you should hire me 🤔? ● I'm a highly skilled and experienced SRE / DevOps. ● I care about the "Quality" of what I'm working on to provide professional results. ● I have a proven track record of delivering high-quality results on time and within budget. ● I'm passionate about solving problems and building reliable infrastructure. ● I'm always willing to go the extra mile to meet the needs of my clients. ● I like to start 15 minutes meeting to understand business and technical needs. 🌟 Let's work together! 🤝 If you're looking for a Sr. Site Reliability Engineer or Sr. DevOps Engineer who can help your business succeed, let's connect and discuss your needs. I'm committed to delivering high-quality work and providing excellent service to my clients.
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Google Cloud Platform
    Docker
    Terraform
    Kubernetes
    Ansible
    Amazon Web Services
    Prometheus
    DevOps
    MySQL
    Linux System Administration
    Cloud Computing
    Cloud Implementation
  • US$30 hourly

    • 4.7/5
    • (77 jobs)
    🏆 Tailor My Services to Fit Your Goals! Specializing in System Administration, DevOps AWS Cloud & Cloud Security with a great knowledge and experience. Looking for challenging new projects where I, Harshit Wadhawan can utilize my complete potential and skills up to the mark and provide industry required solutions. Well-versed in the latest operating systems, network and system administration techniques, hence seeking for a position where my hands-on self motivating passion with technology provides me with a unique understanding of how to balance conflicting requirements and bring complex enterprise level IT projects to successful completion. I Harshit Wadhawan, have the ability to work individually as well as co working with a team, Harshit Wadhawan with demonstrated results in a leading and contributing to projects. I am a quick learner and have a vast skill set and have great troubleshooting skills to assist in any kind of necessity, as long as it is running on computer. * DevOps skills: — Automation for build and deploy of your app from Git repository to AWS (EC2/ECS/EKS/EB, Lambda etc.) — Develop automation for Unix/Linux infrastructure with Bash scripting. — Develop Shell/Chef/Ansible code to automate server builds, OS patches, and deployment of applications to dev, test, and production environments. — Design reliable infrastructures for IT products that are migrated from on-premise or developed for AWS platform using infrastructure-as-a-code concept with tools like Terraform. — AWS CDK - Python, Typescript cdk infra 3 tier applications using services like ECS, RDS, S3, ALB, Secrets manager etc. — Write a custom monitoring and integrated monitoring methods into deployment processes to develop self-healing solutions on Linux EC2 instances. — Manage multiple AWS accounts, enforced network security, user/group permissions, service performance and cost. —Kubernetes - Creating/Managing clusters GKE, EKS, AKS. Deployment & management of workloads on K8s using helm charts. * AWS skills: — Designing and deploying scalable, highly available, and fault tolerant systems on AWS — Lift and shift of an existing on-premises application to AWS — Ingress and egress of data to and from AWS — Choosing the appropriate AWS service based on data, compute, database, or security requirements — Identifying appropriate use of AWS architectural best practices — Estimating AWS costs and identifying cost control mechanisms — Correctly using spot-instances in your project what makes your EC2 (ECS, EKS, EB) usage up to 80% cheaper! * Common jobs that I have done: — Introduce startups and individuals to the benefit of AWS. — Containerize native applications (PHP, Python, Nodejs, Java, Scala, Ruby etc.) to run with AWS ECS/Docker including 1 step build & deploy (git push) using CICD tools (Jenkins, GitlabCI, AWS CodeCommit). — Troubleshooting VPC/Networking issues, communication between AWS resources, like Lambda and private RDS/ElastiCache/EC2/etc. — Harden security (IAM, VPC, Security Groups, S3 ACL, WAF, CloudTrail, etc.). — Setup serverless stack (Lambda, DynamoDB, S3, CloudFront). — Review proposed or existing AWS architecture for security, cost-optimization, HA, Backup, Performance, etc. — Setup secured access (openVPN, SSH tunnel) between on-premise and private subnets (VPC). Setup VPC Peering connection — Create CloudFormation templates for quick replication of AWS stack (deploy to multiple regions, easy to create and remove resources, etc.) OS: Linux (Redhat, Ubuntu, Debian, CentOS, FreeBSD), Windows (2008R2, 2012 R2, 2016) Web Servers: Apache, Nginx, Tomcat, JBoss. Databases: MySQL, MongoDB, PostgreSQL . Linux Administration - Server Setup, LAMP setup, Bash Scripting. Security Performance : IP filter, Fail2ban, IDS, WAF. Cloud Platforms: - AWS - Azure - GCP Web Hosting Platforms : - Cpanel - Plesk - DigitalOcean - Hostgator Networking - IPv4, DNS, DHCP, Design & Implement different network solutions based on the environment. Virtualization - Vmware ESX-i server setup, machine creation, backup etc. Citrix Xen server.
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Kubernetes
    Docker
    Cloud Security
    Scripting
    DevOps
    Network Administration
    Linux System Administration
    Terraform
    Azure DevOps
    Automation
    Solution Architecture
    MySQL
    Google Cloud Platform
    Python
    Amazon Web Services
  • US$200 hourly

    • 4.9/5
    • (509 jobs)
    PLEASE NOTE: My hourly rate is high due to the fact I have a lot of small/often less-than-an-hour projects. For longer engagements I am flexible with my rate. *** I have over 20 years of LAMPish development and system administration (LAMP and Node.js apps.) I do this for my day job and as a hobby. My current focus is on AWS and Ubuntu-based stacks; however, I can work with any Linux distribution. A jack of many trades - in the system administration, devops, cloud, platform and site reliability engineering type roles. Various skills: System administration: AWS, VPSes (Linode and DO are my preferred providers), dedicated servers (Hetzner, Softlayer/IBM), everything in between. I've done it all from hardware selection, racking, configuring/deploying, and maintaining. AWS Certified Cloud Practitioner AWS Certified Cloud Practitioner AWS Certified Cloud Practitioner AWS Certified Cloud Practitioner - EC2, RDS, S3, IAM, SES, VPCs, and more - using console, API and CLI. Nginx, Apache, PHP, Bash scripting, Postfix, Memcached, Redis, Ubuntu, CentOS, Amazon Linux, Varnish, GitLab CI/CD, GitHub Actions, Bitbucket Pipelines, Circle CI, Kubernetes, Docker, Argo CD. WordPress and Drupal migration, tuning/performance/profiling, malware removal API consumption, data transformation, web scraping (using PHP - simplehtmldom, regular expressions, and string manipulation as fallback) Google Workspace setup (custom domain, email setup, etc.) and migration Extensive Cloudflare, Akamai, and other CDN experience Available 24/7 and via phone based on contract. Billing is flexible. You won't have any surprises. I aim for long-term client retention and good relationships!
    vsuc_fltilesrefresh_TrophyIcon KVM Virtualization
    Laravel
    DigitalOcean
    DevOps
    PHP
    Amazon RDS
    MySQL
    Amazon S3
    WordPress
    Amazon EC2
    Amazon Web Services
    System Administration
    NGINX
    Ubuntu
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