Hire the Best Certified Linux Red Hat System Administrators

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Nevin D.

Chalakudy, India

$20/hr
4.9
802 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, 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.

  • Linux System Administration
  • WordPress
  • cPanel
  • OpenVZ
  • Domain Migration
  • Red Hat Administration
  • WHMCS Development
  • SSL
  • CentOS
  • Web Host Manager
Mike M.

Vinnytsya, Ukraine

$15/hr
5.0
6 jobs

⭐ 100% Job Success | 🌟 Rising Talent | 🚀 Linux & DevOps Engineer I help founders and developers deploy, fix, and scale their infrastructure. From broken Docker containers and Nginx issues to full VPS deployments with SSL and CI/CD — I focus on solving real infrastructure problems fast and cleanly. What I work with: • Docker & Docker Compose • Linux / Ubuntu servers • Nginx & reverse proxies • CI/CD pipelines • Cloud & VPS deployments • FastAPI & PostgreSQL • Kubernetes basics • Infrastructure troubleshooting I already have hands-on experience maintaining Linux infrastructure, deploying web services, configuring SSL, and troubleshooting production issues. If your app needs deployment, debugging, or a stable server setup — I can help.

  • Linux System Administration
  • DevOps
  • Docker
  • Kubernetes
  • NGINX
  • CI/CD
  • Docker Compose
  • Ubuntu
  • System Administration
  • Cloud Computing
  • Google Cloud Platform
  • FastAPI
  • Network Administration
  • Automation
  • IT Infrastructure
Izhar H.

Karachi, Pakistan

$40/hr
5.0
22 jobs

Experienced System Administrator with comprehensive expertise in managing, maintaining, and optimizing complex IT infrastructures. Specialized in enterprise-level server administration, cloud computing, and implementing robust security solutions. Committed to delivering reliable, scalable, and cost-effective IT solutions that align with business objectives. --- CORE COMPETENCIES -- System Administration: - Windows Server Administration (2012/2016/2019/2022) - Linux Server Management (RHEL, CentOS, Ubuntu, Debian) - Active Directory, DNS, DHCP, Group Policy Management - User Account Management and Access Control - System Performance Tuning and Optimization -- Cloud Infrastructure: - Amazon Web Services (AWS) - EC2, S3, RDS, VPC, IAM - Microsoft Azure - VMs, Storage, Azure AD, Networking - Google Cloud Platform - Compute, Storage, Networking - Cloud Migration and Hybrid Cloud Implementation - Cost Optimization and Resource Management -- Virtualization & Containerization: - VMware vSphere, ESXi, vCenter - Microsoft Hyper-V - Docker and Kubernetes - Container Orchestration and Management - Virtual Machine Deployment and Maintenance -- Network Administration: - Network Configuration and Troubleshooting - Firewall Configuration and Management - VPN Setup and Administration - Load Balancing and High Availability - Network Security and Monitoring --- TECHNICAL EXPERTISE - Operating Systems: Windows Server, Linux (Multiple Distributions), Unix, macOS - Database Systems: MySQL, PostgreSQL, Microsoft SQL Server, MongoDB, MariaDB - Web Servers: Apache, Nginx, IIS, Tomcat, LiteSpeed - Monitoring Tools: Nagios, Zabbix, Prometheus, Grafana, DataDog, New Relic - Backup Solutions: Veeam, Acronis, Bacula, AWS Backup, Azure Backup - Automation Tools: Ansible, Terraform, PowerShell, Bash Scripting, Python - Security Tools: Firewall Management, SSL/TLS, VPN Technologies, Security Auditing - Collaboration: Microsoft Exchange, Office 365, Google Workspace --- SERVICES PROVIDED -- Infrastructure Setup & Configuration - Server deployment and initial configuration - Network architecture design and implementation - Storage solution setup (SAN/NAS/DAS) -- Maintenance & Support - 24/7 system monitoring and alerting - Regular maintenance and updates - Performance optimization and troubleshooting - Incident management and resolution -- Cloud Services - Cloud migration planning and execution - Multi-cloud environment management - Cloud cost optimization - Disaster recovery setup -- Security Implementation - Security assessment and hardening - Backup and recovery strategy - Compliance management - Access control and authentication -- Documentation & Reporting - System documentation and runbooks - Regular performance reports - Capacity planning reports - Incident and change management documentation --- PROJECT EXPERIENCE - Successfully managed IT infrastructure for organizations ranging from startups to enterprises - Implemented high-availability solutions achieving 99.9% uptime SLA - Executed seamless cloud migrations with zero data loss - Designed and deployed disaster recovery solutions - Automated routine tasks reducing manual intervention by 70% - Optimized infrastructure costs resulting in 30-40% reduction in IT expenses --- PROFESSIONAL APPROACH -- Planning & Analysis - Thorough assessment of current infrastructure - Identification of improvement opportunities - Strategic planning aligned with business goals -- Implementation - Methodical deployment following best practices - Minimal disruption to business operations - Comprehensive testing and validation -- Support & Optimization - Proactive monitoring and maintenance - Continuous improvement initiatives - Regular performance reviews and optimization --- CERTIFICATIONS & QUALIFICATIONS - Microsoft Certified: Azure Administrator Associate - AWS Certified Solutions Architect - CompTIA Server+ and Network+ - ITIL Foundation Certified - Red Hat Certified System Administrator (RHCSA) --- AVAILABILITY & TERMS -- Engagement Types: - Hourly consultations - Fixed-price projects - Monthly retainer agreements - Emergency support services -- Communication: - Daily status updates - Weekly progress reports - Available via Upwork messages, email, Slack - Video conferencing for meetings -- Working Hours: - Flexible schedule across time zones - Emergency support available 24/7 - Response time within 2-4 hours -- WHY WORK WITH ME: Proven Track Record: Extensive experience managing diverse IT environments Reliable & Responsive: Quick turnaround times and consistent communication Cost-Effective Solutions: Focus on ROI and operational efficiency Security-First Approach: Emphasis on data protection and compliance Documentation: Comprehensive documentation for all implementations Knowledge Transfer: Training and support for your team Contact me today to schedule a consultation and take the first step toward optimizing your IT infrastructure.

  • Domain Migration
  • Microsoft Outlook
  • System Administration
  • Desktop Support
  • Windows Administration
  • Microsoft Azure
  • Microsoft Office
  • Office 365
  • Technical Support
  • Fortinet
  • Firewall
  • VMware Administration
  • Virtual Desktop Infrastructure
  • Microsoft Azure Administration
  • VPN
Alexander G.

Ust-Kamenogorsk, Kazakhstan

$10/hr
5.0
31 jobs

I have 14 years of experience in system administration and specialize in deploying and administering a whole bunch of Windows and Linux services that are used in most enterprises including Hyper-V/KVM/Proxmox hypervisors, Docker containers, web/mail/proxy/file/database/print/backup/VPN servers, VOIP solutions, monitoring systems and many others as well as managing switches, routers, Wi-Fi access points and other network devices I have MCSE Server Infrastructure and CCNA Routing and Switching certifications

  • Linux
  • System Administration
  • Windows Server
  • Apache HTTP Server
  • NGINX
  • Network Administration
  • Docker
  • Docker Compose
  • MySQL
  • MikroTik
  • Cisco
  • Zabbix
  • OpenVPN
  • Squid
  • Asterisk
Alana Mariam T.

Cochin, India

$18/hr
5.0
200 jobs

With more than a decade of hands-on experience in Linux server administration, I bring deep expertise in managing, optimizing, and troubleshooting complex Linux infrastructures. I have provided enterprise-grade web hosting and server support for major platforms including Hostinger, GoDaddy, Bluehost, OVH, DigitalOcean, Hetzner, and IONOS, supporting large-scale shared, VPS, and dedicated environments. My skill set includes comprehensive WordPress management and migrations, covering site deployments, performance optimization, security remediation, malware cleanup, and zero-downtime migrations. I also specialize in architecting and maintaining robust web stacks using Apache, Nginx, BIND DNS, PHP (5.x–8.x), and MySQL/MariaDB, with a strong focus on reliability, performance, and security. I have a proven track record of handling critical tasks such as server security hardening, kernel upgrades, and server performance optimization. Additionally, I am proficient in administering and monitoring Linux servers remotely using advanced tools and technologies. Key Specialties: Linux System Administration (CentOS, AlmaLinux, RHEL, Debian, Ubuntu, CloudLinux) Large-scale server migrations, including WordPress and Joomla migrations Server upgrades, including CentOS 7 to AlmaLinux 8/9/10 transitions Expertise in web hosting panels (cPanel, Plesk, DirectAdmin, Virtualmin) and cloud solutions (AWS EC2, Lightsail, DigitalOcean, Linode, Vultr, Google Cloud) Expertise in DNS integration for Shopify, Wix, Cloudflare, Google WorkSpace, Microsoft 365 DNS administration, including advanced configurations for SPF, DMARC, and DKIM PCI compliance management, server disaster recovery, and data restoration Website security, including hack cleanups and proactive hardening Tools and Technologies: LAMP stacks, DNS, and mail servers (Exim/Postfix) Backup solutions (R1Soft, rsync-based scripting) Server monitoring (Nagios) and optimization tools Security-focused tools like CSF and LFD If you're looking for a dedicated and detail-oriented Linux server administrator who can ensure your systems run smoothly and securely, let's collaborate to meet your technical goals.

  • Linux System Administration
  • WordPress Migration
  • DNS
  • CentOS
  • MariaDB
  • AWS Server Migration
  • Backup & Migration
  • Server
  • Bash Programming
  • MySQL
  • Amazon Lightsail
  • Website Migration
  • cPanel
  • Debian
  • Ubuntu
Vishal S.

Indore, India

$50/hr
5.0
130 jobs

✔️ Plex, IPTV, Emby, Jellyfin, Usenet Expert ✔️ Synology, TrueNAS, UnRaid, NAS, Proxmox, Openshift, Linux, Mac ✔️ Unity with PHP Multiplayer Game Development ✔️ Apache, NGINX, Varnish, Redis, Memcached, Postfix, Exim, MySQL, Postgres, MariaDB, DynamoDB, Redshift, Prometheus, Grafana ✔️ GCP, Microsoft Azure, AWS, Digital Ocean, Hetzner, Contabo, Cloudflare ✔️ SSO Expert- Authentik, LDAP, SAML, Keycloak ✔️ Proficient in Docker, Kubernetes, Helm, Terraform, Ansible ✔️ Expertise in Private DNS servers, DNS over TLS, DNS over HTTPS, Bind, DNSMasq, Unbound, etc ✔️ All Scripts/Forum Software installation and configuration ✔️ Troubleshooting Websites/servers (Linux) ✔️ Git implementation/integration with existing software flow, including CI-CD Pipeline ✔️ Domain Configuration, Management ✔️ Proficient in JAVA, PHP, PYTHON, SWIFT, KOTLIN. ✔️ Prepare for and carry out server migration. Site migration, Geo Restriction, Advanced Security ✔️ HestiaCP, Cloudflare, Tunneling, WHM, cPanel

  • Linux System Administration
  • Python
  • GitHub
  • Metasploit
  • DNS
  • cPanel
  • Database Administration
  • Ubuntu
  • SSL Certificate
  • Apache HTTP Server
  • Terraform

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