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

Position Title: UNIX Systems Administrator (Senior Linux Engineer)

Location: Ocoee, FL
Duration: 4 months (with potential for extension)

Position Overview

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.

Key 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

Required Qualifications

• 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 Have

• 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

Additional Responsibilities

• 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