Senior Linux/UNIX System Administrator

Job Description: The Linux/UNIX System Administrator will manage and maintain AFTAC’s Linux-based systems, ensuring optimal performance, security, and reliability. This role will involve managing system resources, performing proactive system maintenance, handling troubleshooting tasks, and supporting cloud-based Linux environments. The administrator will also provide training and guidance to junior staff and assist in system migrations.

Key Responsibilities:

• Administer Linux/UNIX-based systems, including RedHat and Solaris, ensuring smooth day-to-day operations.
• Perform proactive space management, scalability improvements, and implement high-availability strategies.
• Support system migrations, including physical-to-virtual conversions and cloud integrations.
• Implement backup and disaster recovery strategies.
• Troubleshoot complex system issues and perform root cause analysis to ensure system uptime.
• Develop and document scripts for automation of administrative tasks.
• Assist in the development of IT infrastructure replacement plans and hardware refresh cycles.

Qualifications

Required Qualifications:

• 5+ years of experience in Linux/UNIX system administration.
• Strong knowledge of RedHat 7.x, Solaris, and other Linux variants.
• Certifications: Security+ required, RHCSA, RHCE (Red Hat Certified Engineer) preferred.
• Experience with containerization technologies (e.g., Docker, Kubernetes) is a plus.
• Top Secret Clearance 
• IAT Level 2
• Oracle (Solaris) Certified Associate and/or Red Hat Certified System Administrator 

Desired Qualifications:

• Oracle Solaris 11 Systems Administration I, II, III
• Oracle Solaris 11 Logical Domains 
• Oracle Solaris 11 Zones
• Oracle Solaris Essentials and Shell Oracle
• Solaris 11 ZFS Administration
• Oracle Solaris 11 Security Administration
• Oracle Solaris 11 Performance Tuning and Management
• Red Hat Automation with Ansible
• Red Hat System Administration I, II, III
• Red Hat Certified Engineer (RHCE)
• Red Hat Satellite Administration
• Red Hat Enterprise Virtualization
• Comptia Linux+