Hire the Best Linux System Administrators

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, CyberPanel, HestiaCP. * 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.

I have 16+ years experience and I save you time & money with my meticulous work & advice for going forward. I've worked for individuals, businesses, startups and 501(c)(3) non-profits. Skills and experience include: • All aspects of WordPress, including PHP, jQuery, HTML and CSS, Genesis and custom themes, Bootstrap CSS and Javascript, and Advanced Custom Fields (ACF), SMTP and forms • DNS: configuration of all DNS records A, AAAA, CNAME, TXT, etc. at all DNS providers. SPF, DKIM and DMARC record configurations to ensure email deliverability for email providers such as Google Workspace and Office 365, and third-party email services such as Constant Contact, MailChimp, Hubspot, Klaviyo, Keap/Infusionsoft, etc. • Cloudflare: WAF firewalls and security, page rules and rate limiting, DNS configurations, SSL setup, country blocks, static hosting. • Technical SEO: Yoast and All in One SEO, XML sitemaps and the Google Search Console and Analytics. • Linux server administration (Ubuntu, AlmaLinux, Debian): Apache Nginx Litespeed, MySQL/MariaDB, PHP configurations, security and performance, Let's Encrypt SSLs. • Paid Memberships Pro setup and customizations. • Web hosts: WP Engine, Linode, Cloudways, Digital Ocean, Liquid Web, Kinsta, Pantheon (git), Flywheel, Pressidium and Amazon AWS. • Migrations from Joomla, ExpressionEngine, Drupal, Hubspot, TypePad, Movable Type, Blogger, Wild Apricot, and migrations from "plain" PHP & MySQL sites.

Cybersecurity & Linux Engineer | AWS | WordPress | DLP | SIEM I help businesses quickly identify, fix, and prevent server issues across Linux and Windows environments. I specialize in troubleshooting, log analysis, and incident response for real-world problems like outages, security risks, and misconfigurations. I have 10+ years of hands-on experience supporting production systems, including incident response, log analysis, and infrastructure hardening. I recently completed a forensic log analysis project with a 5-star client rating, delivering a structured, evidence-based report identifying login activity and connection behavior. Recent work includes: - Digital forensic log analysis (application, service, login, and connection logs) - Discourse deployment using Docker with full SMTP, DNS, and HTTPS validation - Server recovery, malware cleanup, and security hardening What I can help you with: - Log analysis and incident investigation - Linux server troubleshooting and performance issues - Server recovery and security hardening - Docker deployment and fixes - SMTP / email delivery issues (SPF, DKIM, DMARC) - WordPress security and recovery - Firewall, SSH, and system hardening I focus on root cause, not temporary fixes. I document clearly and leave systems stable, secure, and production-ready.

My experience in the VOIP domain has been for 17 years. My customer satisfaction is my goal. I have extensive experience with Asterisk/Kamailio systems, as well as Linux and network administration. I have the ability to do advanced troubleshooting . Website : my.itcallinfo.info My expertise on this: * Asterisk, Kamailio, OpenSips, FreePBX, A2billing, SIP, H323, IAX, Webrtc, hylafax, Asterisk-Pannel, iaxmodem, rtpproxy, MediaProxy, WebRTC, SipML5, SMS API, IVR (Interactive Voice Record),Wireshark *AI Agent, STT,LLM,TTS, LiveKit, Pipecat, ElevenLabs * IP routing, router configuration (cisco, iptables routing), switch, Vlan, VPN (Ipsec linux, cisco vpn, fortigate, OpenFire). * Fail2ban, Iptables, OpenSwan, Squid, Cisco FirePower, Vmware, Proxmox * Php, Mysql, Postgresql, sqlite, Mongodb, Bash , LUA , Java, AGI, AMI * Roundcube, Zimbra, Zabbix, Smokeping, munin, Nagios, Cisco NetFlow, Voipmonitor * Git, Ansible, bitbuket, atlassian My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I don't like to do something that not need be done. @linkedin linkedincom/in/alaeddine-hertelli/

🎯 100% Refund If I set the wrong expectations and can’t deliver. No questions asked. Top-Rated Plus, Upwork Top 1 Percent, Highly recommended. What do I offer: 1- 100% work satisfaction 2- 24/7 Support 3- On-time delivery 4- Enterprise quality 5- 15 Days of free support after completion of the project Cloud Architect with 10+ years of DevOps experience, specializing in scalable, platform-agnostic cloud infrastructures. Proven track record in high-scale environments. Proficient in Infrastructure as Code, automation, and scripting, with expertise in CI/CD, Cloud Services, and Infrastructure Automation. Skilled in building, deploying, and managing applications on AWS, GCP, Azure, and OCI, with a focus on robust monitoring and observability. ➜ Zazmic Inc, San Francisco, CA • Automation Tools: Terraform, Ansible • Cloud Platforms: GCP • Containerization: Docker, Helm charts • CI/CD: GitLab CI • Monitoring: HPA, Cloud Armour • Databases: Different kinds of databases on GCP ➜ Tripleseat, Concord, Massachusetts • Cloud Platforms: Azure, GCP • Containerization: Docker • CI/CD: Azure Pipelines, Azure DevOps • Monitoring: Grafana, Prometheus ➜ Century Communities, Inc., Greenwood Village, CO • Cloud Platforms: AWS, Oracle Cloud • Automation Tools: Lambda functions, Ansible • Containerization: Docker, AWS ECS, EKS • CI/CD: CircleCI, GitHub Actions, AWS CodePipeline • Monitoring: CloudWatch, CloudFront ➜ Summary: • Proficient in Kubernetes, I architect and manage clusters to facilitate agile and scalable application deployment. • Skilled in Infrastructure as Code (IaC), I employ Terraform, Ansible, and Chef to automate configuration and ensure uniform environments. • With hands-on experience in CI/CD pipeline creation and maintenance using Jenkins, GitLab CI, and Azure DevOps, I ensure the efficient and reliable delivery of software products. • Possessing a robust background in Linux/UNIX system administration, including expertise in managing RHEL environments. • Armed in scripting with Bash and Python to streamline automation processes and optimize operational efficiency. • Good Know how of monitoring and logging tools such as Elasticsearch, CloudWatch, Prometheus, and Grafana, enabling proactive monitoring of infrastructure and application health. • Experienced in VMware virtualization, proficiently managing VMs, executing V-motion operations, and maintaining Snapshots. • Adaptable to fast-paced 24/7 production environments, providing responsive on-call support, including weekends. • Successfully deployed and managed scalable microservices on Kubernetes clusters across GCP and AWS platforms. • Expertise extends to migrating on-premises workloads to the cloud, focusing on performance optimization and cost efficiency. • Possess proactive problem-solving and troubleshooting skills essential for maintaining high-quality production environments. • Strong communication and collaboration abilities, facilitating effective bridging of the gap between development and operations teams. ➜ Tools: Git, Ansible, AWS CloudFormation, ELK, GitLab, GitLab CI/CD, Terraform, Docker Compose, Grafana, Telegraf, CircleCI, Traefik, Amazon CloudWatch, Amazon Elastic Container Service (Amazon ECS), GitHub, VPN, AWS Fargate, Amazon CloudFront CDN, AWS IAM, Amazon Virtual Private Cloud, Docker Swarm, NGINX, Puppet, Jenkins, Amazon EKS, Amazon Simple Queue Service, RabbitMQ, Celery, TeamCity, Nagios, Makefile, AWS CodeDeploy, Confluence, AWS CodeBuild ➜ Platforms: Linux, Docker, Amazon Web Services, AWS Elastic Beanstalk, Amazon EC2, Kubernetes, AWS Lambda, Windows, Apache Kafka, JVM, Heroku, Azure, WordPress, New Relic, Windows Server, Google Cloud Platform, Blockchain, Rancher ➜ Storage: Amazon Aurora, Amazon S3, MySQL, MongoDB, InfluxDB, Redis, On-premise, Amazon DynamoDB, Redis Cache, Elasticsearch, MySQL, Databases, PostgreSQL ➜ Languages: Python, Bash, Java, PHP, Markdown, Go, JavaScript, SQL, TypeScript ➜ Frameworks: Flask, Django, Windows PowerShell, .NET, Serverless Framework ------------------------------------------------------------------------------------------------------ #CloudArchitect #DevOps #Kubernetes #Terraform#Azure #GCP #Docker #CI_CD #InfrastructureAsCode #CloudMigration #DevOpsEngineer #Automation #CloudInfrastructure #Microservices #CloudSecurity #NetworkSecurity #AWSCloud #AzureCloud #Serverless #AWSLambda #AzureDevOps #GitLabCI #GitHubActions #Linux #Unix #Bash #Python #GoLang #Java #Git #Ansible #Jenkins #NGINX #ApacheKafka #Databases #SQL #MySQL #PostgreSQL #MongoDB #Redis #DynamoDB #CloudStorage #S3 #CloudWatch #BackendInfrastructure #WebInfrastructure

Hi, I’m Umer, a 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗖𝗹𝗼𝘂𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝘄𝗶𝘁𝗵 8+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗺𝘂𝗹𝘁𝗶-𝗰𝗹𝗼𝘂𝗱 experience helping global companies design, automate, and secure their IT infrastructure across AWS, Azure, and Google Cloud Platform (GCP). I specialize in building scalable, secure, and automated cloud environments — from provisioning to deployment, monitoring, and maintenance. Whether you’re a startup migrating to the cloud, or an enterprise seeking DevOps automation and security hardening, I deliver results that last. 🧩 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 ☁️ Cloud: Azure & AWS & GCP 🐳 Containers & Orchestration: Docker, Docker Compose, Kubernetes (EKS) 🚀 CI/CD Pipelines: GitHub Actions, Jenkins, AWS CodePipeline, CircleCI 🏗️ Infrastructure as Code: Terraform, AWS CloudFormation, CDK 📈 Monitoring & Observability: CloudWatch, Prometheus, Grafana 💻 Scripting & Automation: Bash, Python ☁️ Automated deployments for Node.js, Python, PHP, .NET, React, and microservices and more. Automation Agentic AI & DevOps Engineer | CICD | Docker | Container | Hardening | Linux | Ansible | Cloud Engineer | AI | Claude code | VPS | Azure | AWS | GCP | Pipelines | Ubuntu | Kubernetes | Deployments Automation | Workflow Automation 🌐 Who I’ve Worked With Over the past 7 years, I’ve supported top organizations across the US and UK, remotely managing and scaling multi-cloud infrastructures. 🇺🇸 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻𝘀 – 𝗥𝗲𝗺𝗼𝘁𝗲 (𝗨𝗦𝗔) 🇺🇸 𝗡𝘂𝗰𝗹𝗲𝘂𝘀 𝗥𝗖𝗠 – 𝗥𝗲𝗺𝗼𝘁𝗲 (𝗨𝗦𝗔) 🇺🇸 𝗩𝗼𝘂𝗰𝗵 – 𝗥𝗲𝗺𝗼𝘁𝗲 (𝗨𝗦𝗔) 🇬🇧 𝗖𝗮𝗿𝗲𝗡𝗖𝘂𝗿𝗲 𝗟𝗼𝗻𝗱𝗼𝗻 – 𝗥𝗲𝗺𝗼𝘁𝗲 (𝗨𝗞) 🇺🇸 𝗣𝗿𝗶𝗼𝗿𝗶𝘁𝘆𝗫𝘁𝗿𝗮𝗖𝗮𝗿𝗲 – 𝗥𝗲𝗺𝗼𝘁𝗲 (𝗨𝗦𝗔) 🇺🇸 𝗚𝗿𝗲𝗮𝘁 𝗟𝗮𝗸𝗲𝘀 𝗠𝗕𝗣𝗠 – 𝗥𝗲𝗺𝗼𝘁𝗲 (𝗨𝗦𝗔) 🔐 𝗖𝗹𝗼𝘂𝗱 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 & 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲 IAM policy design and least-privilege access Firewalls, WAFs, SSL/TLS, encryption, and key management Security auditing, hardening, and patch management SPF, DKIM, DMARC configuration for secure mail delivery Compliance readiness: HIPAA, GDPR, SOC-2 (best practice enforcement) 🖥️ 𝗦𝘆𝘀𝘁𝗲𝗺 & 𝗦𝗲𝗿𝘃𝗲𝗿 𝗔𝗱𝗺𝗶𝗻𝗶𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 Linux (Ubuntu, CentOS, Debian) — setup, monitoring, performance tuning Windows Server (AD, DNS, DHCP, Group Policy) Virtualization: Proxmox VE, VMware, Hyper-V, VirtualBox Web & application hosting on Nginx, Apache, IIS, LAMP, LEMP, Caddy 📊 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴, 𝗕𝗮𝗰𝗸𝘂𝗽 & 𝗟𝗼𝗴𝗴𝗶𝗻𝗴 Prometheus, Grafana, ELK, Loki, CloudWatch, Azure Monitor Real-time alerting and resource monitoring Backup, replication, and failover configuration to minimize downtime 🖧 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 & 𝗜𝗧 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 Network design, VLANs, VPNs, MikroTik, Cisco routers Office 365 & Google Workspace setup, email relays, proxy servers Helpdesk & remote support for system troubleshooting and optimization 🌟 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 Top Rated Plus with 100% client satisfaction and $10K+ earnings 7+ years of multi-cloud DevOps experience with proven client results Expertise across both Linux and Windows ecosystems Reliable, transparent, and solution-oriented approach Focused on security, scalability, and performance 📈 Let’s Build and Automate Your Cloud Looking for a DevOps Engineer, Cloud Engineer, or System Administrator who can design, automate, and secure your infrastructure across AWS, Azure, or GCP? Let’s collaborate to make your systems faster, safer, and more efficient. I take pride in long-term partnerships built on quality, communication, and reliability. 📩 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝘁𝗼𝗱𝗮𝘆 — 𝗹𝗲𝘁’𝘀 𝘁𝘂𝗿𝗻 𝘆𝗼𝘂𝗿 𝗶𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗴𝗼𝗮𝗹𝘀 𝗶𝗻𝘁𝗼 𝗿𝗲𝗮𝗹𝗶𝘁𝘆.