Linux Systems Administrator (TS/SCI)

About the role

MANTECH, a provider of solutions to government intelligence agencies since 1968, is hiring a Linux Systems Administrator in San Antonio, Texas. The role supports the Linux Orchestration Services (LOS) team and oversees the design, implementation and maintenance of mission-critical cloud-compute infrastructure and automation workflows. It is a full-time, on-site position requiring an active Top Secret/SCI clearance with polygraph.

Key responsibilities

• Analyze technical challenges and develop, implement and maintain sound technical solutions across enterprise environments.
• Design, build and optimize IT frameworks, cloud-compute infrastructure and core operating environments.
• Guide IT projects from conception to completion in line with project requirements and enterprise IT architecture.
• Maintain up-to-date knowledge of emerging and existing products, cloud technologies and system architectures.
• Collaborate with internal engineering teams, leadership and external partners to share knowledge and advance mission success.
• Troubleshoot complex system issues, resolve operational incidents and perform root cause analysis.

Required profile

• 7+ years of relevant systems administration experience.
• Multi-platform imaging Linux administration experience.
• Current DoD 8140 IAT Level II certification (e.g. Security+, CySA+, CCNA-Security, GICSP, GSEC, CND or SSCP) by the start of employment.
• Preferred: bachelor's degree in a technical discipline with 10 years of systems administration experience, or 5 additional years of SA experience instead of a degree.
• Physical requirement: able to stay seated 50% of the time and occasionally move around the office.

Required skills

• Systems automation and orchestration using Python, Bash or PowerShell.
• PXE and Kickstart configuration to automate Linux and Windows terminals.
• Preferred: Ansible Playbooks, Ansible Automation Platform, Red Hat Satellite and Red Hat Image Builder.
• Preferred: hands-on cloud and virtualization experience (AWS Lambda, Microsoft Azure, VMware vSphere, OpenStack).
• Preferred: Agile practices with JIRA and Git workflows (GitLab/GitHub).