Linux Technical Lead

Linux Technical Lead

This role requires deep technical expertise in Linux systems, hosting control panels, networking, virtualization (KVM/Proxmox/VMware), cloud services, and infrastructure automation.

You will lead a team of system administrators and support engineers, drive infrastructure modernization, ensure high reliability of hosting and DC operations, and contribute to strategic long-term planning.

Key Responsibilities

1. Technical Leadership & Strategy

• Lead architecture design, implementation, and optimization of hosting and DC server infrastructure.
• Define technical roadmaps, best practices, and modernization plans.
• Evaluate new tools, hosting technologies, virtualization stacks, and cloud solutions.
• Drive continuous improvement in performance, security, and scalability.

2. Linux Server & Hosting Administration

• Manage end-to-end Linux server operations (CentOS, Ubuntu, Debian, RHEL, AlmaLinux, Fedora).
• Oversee provisioning, configuration, upgrades, system hardening, and automation.
• Administer hosting control panels:

  cPanel/WHM, Plesk, DirectAdmin, custom panels

  .
• Maintain and optimize core hosting services:
• Apache/Nginx
• MySQL/MariaDB
• PHP/PHP-FPM
• DNS, Email servers
• FTP, SSL, Firewall
• Manage virtualization environments (KVM, Proxmox, VMware) and containerization (LXC, Docker).

3. Data Center Operations

• Oversee physical and virtual DC infrastructure health and uptime.
• Coordinate with onsite technicians for hardware replacements, cabling, and diagnostics.
• Perform hardware troubleshooting (RAID, disks, NICs, memory, power issues).
• Work with remote management tools such as

  iLO, iDRAC, IPMI

  .
• Maintain DC documentation, DR plans, and escalation procedures.

4. Networking & CDN Management

• Configure and troubleshoot networking fundamentals:
• TCP/IP, DHCP, DNS, NAT, VLANs, VPNs
• Routing, subnetting, load balancing
• Firewalls (iptables, nftables, firewalld, ufw)
• Manage CDN integrations and DNS-level configurations for performance optimization.
• Perform deep-dive network diagnostics (tcpdump, netstat, ss, traceroute, nmap).

5. Cloud, Automation & DevOps

• Lead cloud deployments and migrations (AWS, Azure, GCP, or private cloud).
• Build & maintain automation via

  Ansible, Terraform, Bash/Python scripting

  .
• Develop CI/CD pipelines for infrastructure updates and deployments.
• Implement configuration management and version-controlled workflows (Git).

6. Security, Compliance & Monitoring

• Implement and enforce advanced server security best practices.
• Manage firewalls, intrusion detection, vulnerability scans, patch cycles.
• Conduct audits, logs review, and incident response procedures.
• Maintain compliance with standards like ISO, GDPR, PCI-DSS.
• Use monitoring tools:

  Zabbix, Nagios, Prometheus, Grafana

  to track uptime, performance, and alerts.

7. Troubleshooting & Performance Optimization

• Diagnose complex OS, network, application, and hosting issues.
• Perform OS-level troubleshooting (systemd issues, boot problems, log analysis).
• Manage resource optimizationsCPU, RAM, disk I/O, caching layers.
• Lead disaster recovery, failover, and business continuity planning.

8. Team Leadership & Cross-Functional Coordination

• Lead and mentor system administrators, help desk engineers, and support teams.
• Provide training on Linux, hosting platforms, virtualization, and security.
• Serve as the highest-level technical escalation point for critical issues.
• Collaborate with development, support, and product teams to align infrastructure with business requirements.
• Maintain clear reporting for senior management.

Required Qualifications

• 10+ years of experience in Linux server administration and hosting/DC infrastructure.
• Expert-level knowledge of CentOS, Ubuntu, RHEL, Debian, AlmaLinux, and other distributions.
• Strong expertise with hosting panels:

  cPanel, Plesk, DirectAdmin

  .
• Hands-on experience with virtualization tools (

  Proxmox

  , VMware, KVM, LXC).
• Strong networking fundamentals (TCP/IP, routing, DNS, firewalling).
• Experience managing cloud platforms and automation tools (Ansible, Terraform).
• Deep understanding of security principles and server hardening.
• Proven leadership experience managing technical teams.
• Excellent troubleshooting, analytical, and communication skills.

Preferred Qualifications

• Certifications:

  RHCE, RHCSA, AWS Solutions Architect, LPIC, VMware VCP

  .
• Experience with CI/CD pipelines and DevOps practices.
• Knowledge of caching servers (Redis, Memcached), DB optimization, CDN integrations.
• Experience in SLA-driven or enterprise hosting environments.