Senior Linux Administrator

Title: Senior Linux Administrator

Location: Jackson, MS

Work Mode: Hybrid 3 day a week to local office

Full-Time

Key Responsibilities:

• Lead, design, implement, and maintain enterprise Linux environments (Solaris, Debian, RHEL, Ubuntu).
• Own architecture decisions for high availability, scalability, and performance.
• Monitor systems and perform performance tuning and capacity planning.
• Lead troubleshooting and root cause analysis for complex system and production issues, including service failures.
• Manage OS patching, upgrades, lifecycle, and package management.
• Implement Linux security hardening, access controls, and compliance standards (including SELinux).
• Manage Linux storage including LVM, file systems, multipathing, and performance tuning.
• Design and maintain automation using scripting and configuration management tools.
• Support Linux workloads in cloud and hybrid environments (AWS).
• Support Linux systems in VMware environments, including backup and disaster recovery.
• Provide OS-level support for container platforms.
• Collaborate with network teams on Linux connectivity, VLANs and bonding.
• Mentor junior administrators and act as the escalation point for Linux issues.
• Participate in incident, change, and problem management using ServiceNow or similar tools.
• Maintain system documentation, standards, and operational runbooks.

Required Skills:

• Minimum 8+ years of hands-on Linux system administration experience.
• Expert knowledge of Linux internals, system performance tuning, troubleshooting, and package management.
• Strong experience with Linux storage management (LVM, file systems).
• Strong experience with shell scripting and automation (Bash, Python).
• Advanced experience with configuration management tools (Ansible, Puppet, Chef).
• Strong understanding of Linux security, hardening, and compliance best practices.
• Experience supporting Linux systems on VMware platforms (vSphere, DRS, HA).
• Hands-on experience supporting Linux systems in AWS or other cloud platforms.
• Experience managing container environments (Docker, Kubernetes) from an OS perspective.
• Solid understanding of networking concepts including switches, firewalls, VPNs, and monitoring tools.
• Familiarity with ITSM tools such as ServiceNow for incident, change, and problem management.
• Experience supporting high-availability and production-critical environments.
• Ability to lead technical initiatives and mentor team members.