Linux Systems Administrator — SDN & Cisco ACI (On-Site MD)

Peraton; College Park (MD); On-site; USD 135,000 - 216,000; Full time

Job summary

Peraton Labs is seeking a Linux Systems Administrator with poly clearance to own day-to-day administration and security posture of complex research infrastructure in classified and unclassified environments on site near College Park, MD.

You will implement secure configurations, patching, troubleshooting across compute, network, and storage, and build automation with Ansible, Python, and Bash to reduce toil and ensure compliance.

Qualifications

• 6+ years of experience with a related degree, or 10 years total with applicable experience.
• Hands-on Linux server administration in production environments.
• Automation experience using Ansible and/or Python/Bash.
• Experience supporting SDN / Cisco ACI operations in enterprise or mission environments.
• Proficiency in networking fundamentals, virtualization, storage, and security best practices.
• Ability to operate as a senior contributor on complex projects.

Responsibilities

• Administer and harden Linux/Windows server environments.
• Maintain security posture and baseline images; ensure compliance.
• Build/update Linux baselines and apply secure configurations.
• Troubleshoot OS, services, network, and storage issues end-to-end.
• Develop automation to standardize provisioning and configuration enforcement.
• Install, configure, and troubleshoot IT and networking hardware in classified spaces.
• Support virtualization and underlying platform operations (VM provisioning, capacity planning).
• Ensure data backup/restore aligned to program requirements.
• Coordinate with customer and subcontractors and communicate risks clearly.

Skills

Linux administration

Automation

Ansible

Python/Bash

SDN/Cisco ACI

Networking fundamentals

Virtualization

Leadership / senior contributor

Security clearance TS/SCI w/ Polygraph

Education

Bachelor's degree

MS

PhD

Job description

Peraton Labs is seeking a Linux Systems Administrator with poly clearance to own day-to-day administration and security posture of complex research infrastructure in classified and unclassified environments on site near College Park, MD.

You will implement secure configurations, patching, troubleshooting across compute, network, and storage, and build automation with Ansible, Python, and Bash to reduce toil and ensure compliance.