Senior Linux Systems Administrator

Responsibilities

Peraton is seeking a Senior Linux Systems Administrator to join our team of qualified, diverse individuals. This position can be worked remotely. The ideal candidate  you will be responsible for managing and supporting our customer's Linux-based systems and ensuring their optimal performance. Your experience with ACAS, Tenable Nessus, and background working in a DoD environment will be crucial in maintaining security compliance and implementing best practices. The qualified applicant will become part of Peraton’s Department of Homeland Security (DHS) Infrastructure Managed Services (IMS) Program, for the US Coast Guard (CG). This initiative is modernizing and consolidating the operational environment under a common technology framework in order to better support the services provided to CGs customers. As part of the modernization program, the Senior Software Engineer will be responsible for proactively leading architecture and development decision making and work effort across the software development lifecycle (SDLC), and ensuring effective transitions to support for ongoing continuous improvement.

 

Day to Day Work Responsibilities:

 

• Manage and maintain Linux servers and systems.
• Monitor system performance and troubleshoot issues.
• Implement, configure, and maintain ACAS and Tenable solutions (Nessus, Security Center).
• Conduct troubleshooting on vulnerability assessments and ensure compliance with DoD policies and security standards.
• Collaborate with cross-functional teams to deploy and maintain applications.
• Create and maintain documentation for system configurations and procedures.
• Provide technical support and guidance to team members and end-users.
• Stay up-to-date with industry trends and emerging technologies.

#USCGIMS

Qualifications

Basic Qualifications:

• Bachelors degree and minimum 8 years experience or Masters degree and minimum 6 years experience and high school diploma and 12 years relevant experience

• U.S. Citizenship required; must have a minimum of an active Secret clearance (or higher)

• Proven experience as a Linux Administrator (3+ years)

• Strong knowledge of ACAS, Tenable Nessus, and Security Center

• Familiarity with DoD policies and security compliance frameworks

• Proficient in scripting languages (e.g., Bash, Python)

• Experience with configuration management tools (e.g., Ansible, Puppet)

• Understanding of networking concepts and security protocols.

Preferred Qualifications:

 

• Certification in DoD's Assured Compliance Assessment Solution (ACAS) is a plus

• Relevant certifications (e.g., RHCE, CompTIA Linux+)

• Experience with cloud environments (AWS, Azure)

• Knowledge of containerization (Docker, Kubernetes)

• Experience with server-client architectures 

• Knowledge of STIGs and secure configuration of Linux devices 

 

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$104,000 - $166,000. This represents the typical salary range for this position based on experience and other factors.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.