Senior Linux & SDN Engineer - Onsite, TS/SCI Poly

Peraton; College Park (MD); On-site; USD 112,000 - 179,000; Full time

Job summary

A leading security technology firm is seeking a Linux Systems Administrator to handle daily administration and security of complex research infrastructures. The role demands strong skills in automation and software-defined networking, with responsibilities in troubleshooting, system hardening, and ensuring compliance. The ideal candidate will have significant Linux server experience and must possess a TS/SCI clearance with Polygraph. The position requires full-time on-site work at a customer site near College Park, MD, offering a competitive salary range of $112,000 to $179,000.

Qualifications

• 6+ years of experience as a Linux Systems Administrator.
• Experience in automation development with Ansible or Python/Bash.
• Current TS/SCI clearance with Polygraph is required.

Responsibilities

• Administer and secure Linux/Windows server environments.
• Troubleshoot issues across OS, services, network, and storage layers.
• Develop automation to standardize provisioning and configuration.

Skills

Linux server administration

Automation (Ansible, Python, Bash)

SDN / Cisco ACI support

Networking fundamentals

Troubleshooting skills

Communication skills

Education

BS in computer science, IT, or related field

MS with 4+ years experience

Ph.D. with relevant experience

Job description

A leading security technology firm is seeking a Linux Systems Administrator to handle daily administration and security of complex research infrastructures. The role demands strong skills in automation and software-defined networking, with responsibilities in troubleshooting, system hardening, and ensuring compliance. The ideal candidate will have significant Linux server experience and must possess a TS/SCI clearance with Polygraph. The position requires full-time on-site work at a customer site near College Park, MD, offering a competitive salary range of $112,000 to $179,000.