UNIX Systems Administrator (Senior Linux Engineer) - 26-00604

NavitasPartners•Orlando, FL

About The Position

We are seeking a highly experienced UNIX Systems Administrator / Senior Linux Engineer to support and maintain a large-scale Linux environment. This role requires deep expertise in Red Hat Enterprise Linux (RHEL) administration, automation, and enterprise infrastructure support. The ideal candidate will be a strong problem solver with excellent communication skills and the ability to manage and optimize a complex Linux server estate.

Requirements

10+ years of experience in UNIX/Linux systems administration
Strong expertise in RHEL 8 and RHEL 9 administration and patch management
Hands-on experience with Linux server builds and custom configurations
Experience tuning Linux systems supporting Oracle database workloads
Proven experience in security vulnerability management
Strong knowledge of SolarWinds monitoring
Extensive experience with Ansible (playbook development and automation)
Experience managing Ansible Automation Platform and Satellite 6
Solid understanding of VMware environments
Strong troubleshooting and problem-solving skills
Excellent knowledge of TCP/IP networking , network topology, and firewalled environments
Strong organizational skills and attention to detail
Effective written and verbal communication skills

Nice To Haves

Basic knowledge of storage management
Basic database administration experience
Exposure to Windows systems administration
Familiarity with cloud integration concepts
Experience with Veritas NetBackup
Working knowledge of enterprise applications such as JBoss, WebSphere, Splunk, and ALM tools

Responsibilities

Provide operational support for a large Linux server environment (300+ servers)
Perform system maintenance, including OS patching, upgrades, and lifecycle management
Build and configure Linux servers with customized configurations
Conduct system tuning to meet application-specific performance requirements
Manage and remediate server security vulnerabilities
Monitor systems using enterprise monitoring tools and respond to alerts
Develop, maintain, and enhance automation using Ansible playbooks
Administer and upgrade Ansible Automation Platform and Satellite 6
Support VMware-based virtualized environments
Perform server migrations and infrastructure upgrades
Troubleshoot complex system, performance, and networking issues
Resolve incident and service request tickets within defined SLAs
Ensure systems comply with organizational technology roadmaps and standards
Standardize UNIX/Linux environments through automation and best practices
Ensure compliance with infrastructure standards and technology roadmaps
Support OS, hardware, and third-party software upgrades
Participate in continuous improvement initiatives for system reliability and performance