Linux Systems Administrator – Federal (TS/SCI Eligible)

Peraton; Virginia (MN); Hybrid; USD 104,000 - 166,000; Full time

Job summary

Peraton is seeking a mid-level Systems Administrator to support its Federal Strategic Cyber program in Washington, DC. This role focuses on system assessments, code examination, and use of simulators to understand design and function, with a strong emphasis on embedded software evaluation and safety.

The successful candidate will document findings, troubleshoot complex infrastructure, and present analyses to peers and management. Eligibility for a Top Secret clearance is required.

Qualifications

• Bachelor's degree and 5+ years experience; an additional 4 years in lieu of bachelors degree will be considered.
• Minimum of 3 years of experience administering and supporting Linux systems in production environments.
• Strong hands-on experience with Ubuntu Linux.
• Solid understanding of Linux system administration concepts.
• Proficiency with the Linux command line and common shell utilities.
• Experience troubleshooting complex infrastructure issues across operating systems.
• Working knowledge of TCP/IP networking, DNS, DHCP, HTTP/HTTPS, SSH, routing, firewalls, and common network troubleshooting tools.
• Experience administering and troubleshooting servers in virtualized or cloud environments.
• Experience with monitoring, logging, alerting, and diagnosing system health and performance issues.
• Understanding of system security fundamentals, including patch management, access controls, SSH security, and vulnerability remediation.
• Ability to document infrastructure, configurations, troubleshooting procedures, and operational processes clearly.
• U.S. citizenship required.
• Active Top Secret security clearance with SCI eligibility and the ability to obtain a polygraph.

Responsibilities

• Perform assessments of systems, reviewing software with a focus on finding flaws and suggesting possible improvements.
• Perform code examination, analysis, and testing.
• Potentially work with system simulators and statistical analysis.
• Review and analyze systems, platforms, applications, and their interfaces to quickly acquire system knowledge to understand the design and functionality.
• Identify the hardware and software portions of systems for safety and mission critical functionality.
• Perform detailed evaluation of embedded software to verify that software requirements are correctly implemented in the design and code of embedded computers and that the resulting code does not contain embedded safety hazards.
• Identify requirements, design, and test procedures that will ensure the system will perform as expected.
• Document analysis performed with resulting anomalies identified.
• Present findings to peers, customers, and management.

Skills

Linux administration

Ubuntu Linux

Networking TCP/IP

SSH/security basics

Documentation

Education

Bachelor's degree

Tools

Docker

Ansible

Terraform

Grafana/ELK

Nginx

Job description

Peraton is seeking a mid-level Systems Administrator to support its Federal Strategic Cyber program in Washington, DC. This role focuses on system assessments, code examination, and use of simulators to understand design and function, with a strong emphasis on embedded software evaluation and safety.

The successful candidate will document findings, troubleshoot complex infrastructure, and present analyses to peers and management. Eligibility for a Top Secret clearance is required.