Systems Administration, Senior Advisor

Peraton is seeking a skilled System Administrator to join our team. Key responsibilities include:

• Triage and manage support tickets submitted through Jira Service Desk, ensuring timely resolution of user-reported issues.

• Collaborate across teams to escalate or coordinate issue resolution with other technical groups or stakeholders.

• Lead system maintenance tasks, including patching and upgrades during scheduled after-hours windows (typically 1–2 times per month; may vary based on mission requirements).

• Establish and manage robust backup solutions for critical systems and data.

• Configure and maintain advanced networking components and troubleshoot network-related issues with expert-level proficiency.

• Ensure system security by maintaining up-to-date security software and configurations in accordance with compliance standards.

• Respond to and resolve system or application issues reported by users, partners, or leadership.

• Create and maintain documentation to promote knowledge sharing, reduce knowledge silos, and lower operational risk ("bus/lottery factor").

• Draft proposals for system changes, enhancements, or upgrades for review by technical leadership and government stakeholders.

• Document resolutions and changes in Jira tickets and internal Confluence wiki to enable efficient response to future occurrences.

• 15+ years of experience as a System Administrator supporting programs of similar scope, type, and complexity

• Bachelor’s degree in a technical discipline from an accredited institution (an additional five years of relevant experience may be substituted in lieu of a degree)

• Demonstrated ability to work independently as the sole System Administrator on a mission-critical team

• Active TS/SCI clearance with current polygraph

• DoD 8570 compliance required; Security+ certification preferred (higher-level certifications may be required depending on mission)

• Strong analytical and troubleshooting skills with the ability to assess and resolve issues quickly

• Deep expertise in Linux or Windows system administration (Linux preferred)

• Hands-on experience with identity and authentication services such as Active Directory, SSSD, or Keycloak

• Experience managing virtualized environments in both on-prem and cloud infrastructures

• Familiarity with infrastructure-as-code tools such as Ansible and Terraform

• Scripting proficiency in PowerShell, Bash, or other relevant languages

• Solid understanding of networking concepts and configuration practices

• Experience using Atlassian tools such as Jira and Confluence for task tracking and documentation

Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.

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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.