Linux Administrator (Classified Systems) – Active Secret Clearance Required

One team.

Global challenges.

Infinite opportunities.

At Viasat, we’re on a mission to deliver connections with the capacity to change the world.

For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate.

We’re looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team.

We are seeking a highly skilled and motivated Linux Administrator to play a pivotal role in supporting and enhancing engineering functions within Viasat.

This individual will focus on safeguarding Linux-based environments, ensuring compliance with critical security frameworks and policies , and enabling efficient operations to empower engineering teams.

The role requires a balance of technical expertise , security diligence, and a proactive dedication to continuous improvement.

• Manage the day-to-day activities of configuring, maintaining, and fixing Linux-based solutions, ensuring security guidelines and compliance.
• Perform system hardening and vulnerability management, aligning with DISA STIGs NIST 800-53, and other security standards.
• Conduct cybersecurity monitoring, incident response, and analysis for Linux environments and classified systems.
• Develop and maintain system security documentation, including chan g e control logs, technical updates to Plan of Action and Milestones (POAMs) , etc.
• Complete system and account management activities such as configuration and periodic maintenance, responding to breach incidents as required.
• Perform site self-assessments to ensure alignment with regulations, standards, and organizational directives.
• Collaborate with DevOps teams to enhance operational efficiencies and minimize security risks.
• Support implementation of virtualized infrastructure (e.g., VMware, Hyper-V, OpenShift) and centralized storage solutions such as NetApp.
• Stay informed about evolving cybersecurity threats, emerging technologies, and updated RMF processes.
• Provide technical guidance and mentorship to team members for the continuity of standard methodologies.
• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related technical field; equivalent work experience will also be considered.
• 6+ years of Linux administration experience (e.g., RHEL, Ubuntu), emphasizing a solid focus on cybersecurity and administration.