Senior UNIX Engineer – Remote, High-Impact Linux Ops

Peraton; Radford (VA); Hybrid; USD 112,000 - 179,000; Full time

Job summary

Peraton is seeking a seasoned UNIX/Linux Systems Administrator to support a mixed Linux and Solaris environment for PL ALTESS in the United States. You’ll harden, tune, automate, and modernize server infrastructure across multiple programs that serve global customers.

You will work in a mission-critical, 24x7 environment with DoD 8140 requirements, active DoD clearance, and a path toward advanced automation using Ansible or Python. Remote options available from Radford, VA area.

Qualifications

• Minimum of 12 years with no degree / 10 years with AS/AA / 8 years with BS/BA.
• DoD 8140 qualification for DCWF 451 – System Administrator at Intermediate level.
• Active DoD security clearance and US citizenship required.
• Background in Computer Science or IT.
• 3+ years UNIX/Linux Systems Admin experience, automating tasks.

Responsibilities

• Manage, maintain, and support RHEL/Oracle Linux and Solaris servers.
• Plan and implement new hardware/software, integrations.
• Tune performance and keep operations running smoothly.
• Harden servers (STIG/SELinux/firewalld) and report security status.
• Produce utilization reports and drive corrective actions.
• Lifecycle management of data center equipment and firmware.
• Create and maintain SOPs, instructions, and policies.
• Recommend and implement technologies to improve efficiency.

Skills

DoD 8140 compliance

Active DoD clearance

US Citizenship

12+ years UNIX/Linux admin (no degree)

3+ years patch management

3+ years networking

SOPs creation & DR

DNS/SFTP/SMTP/NTP configuration

Large local user management

Team collaboration

Education

Background in Computer Science or IT

Tools

RHCSA/RHCE

Oracle Linux OCP

Oracle Solaris 11 OCP

SELinux/Firewall hardening tools

DNS/SFTP/SMTP/NTP services

Job description

Peraton is seeking a seasoned UNIX/Linux Systems Administrator to support a mixed Linux and Solaris environment for PL ALTESS in the United States. You’ll harden, tune, automate, and modernize server infrastructure across multiple programs that serve global customers.

You will work in a mission-critical, 24x7 environment with DoD 8140 requirements, active DoD clearance, and a path toward advanced automation using Ansible or Python. Remote options available from Radford, VA area.