Systems Administrator

Peraton is seeking a dedicated Systems Administrator to join our team. The candidate will become part of Peraton's Department of Homeland Security (DHS) Datacenter Consolidation and Cloud Optimization (DCCO) program managing a diverse array of systems at DataCenter1.

The position is primarily telework but requires candidates to be located within one hour driving distance of Stennis Space Center, MS for periodic onsite support. The core hours for the position are between 8am - 4pm (CST) Monday-Friday with occasional on-call after-hours support required when it is the candidate's week to be on-call or perform patching.

Day to Day Roles and Responsibilities:

Administer and maintain Linux and Windows systems in a secure enterprise environment.
• Perform system patching, updates, and vulnerability remediation across all platforms
• Implement and maintain STIG compliance (DISA STIGs) and ensure systems meet security baselines
• Support audit readiness and compliance initiatives
• Familiarity with VMware virtualization environments
• Manage NetApp storage systems, including provisioning and performance optimization
• Monitor systems for performance, availability, and security events
• Create and maintain clear, accurate documentation (SOPs, system configurations, runbooks)
• Communicate effectively with team members, stakeholders, and leadership
• Troubleshoot and resolve complex system and infrastructure issues
• Participate in a 24/7 on-call rotation

Basic Qualifications:

• Bachelor's degree and 8 years of experience or a Masters degree and 6 years of experience or a High School diploma/equivalent and 12 years of experience.
• Must be a U.S. Citizen with the ability to obtain/maintain a DHS Public Trust clearance
• Proven experience administering enterprise environments with both Windows and Linux systems
  • Windows Server 2016, 2019, and 2022
  • Red Hat Enterprise Linux (RHEL) 8 and 9
• Hands on experience with system patching, upgrades, and lifecycle management across multiple platforms
• Experience implementing and maintaining STIG compliance, including system hardening and audit readiness
• Demonstrated ability to perform vulnerability remediation and enforce security best practices
• Strong troubleshooting skills across operating systems, infrastructure, and applications
• Ability to work independently and take ownership of tasks, with experience leading or mentoring junior team members as needed
• Strong written and verbal communication skills, including the ability to document processes and communicate with technical and non technical stakeholders

Preferred Qualifications:

• Relevant industry certifications such as Red Hat Certified System Administrator (RHCSA), CompTIA Security+, or VMware Certified Professional (VCP)
• Experience with VMware technologies, including vSphere and ESXi
• Familiarity with enterprise storage solutions such as NetApp
• Experience with backup and recovery tools such as Veritas NetBackup
• Prior experience supporting systems in federal, DoD, or other regulated environments
• Ability to create and maintain clear, detailed technical documentation
• Experience working in remote or distributed team environments with minimal supervision

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.