Windows Systems Administrator (Journeyman) Secret

Peraton is seeking an experienced Windows Systems Administrator (Journeyman) to support our Federal Strategic Cyber Mission program.

Location: Beltsville MD

• Ability to support core business hours ().

What Youll Do

• Administer and support Windows Server systems across enterprise environments including OpenNet ClassNet and associated enclaves.
• Perform routine system maintenance patching and configuration updates in accordance with established standards.
• Troubleshoot server OS and service-level issues to maintain system availability and performance.
• Support Active Directory (AD) operations including authentication issues directory health and access control validation.
• Assist with ARS-related activities within environments.
• Resolve AD authentication issues account lockouts and directory-related challenges.
• Ensure correct use of key AD attributes (including extensionAttribute10 and iPost-related attributes) to support integrations with platforms such as Okta and iPost.
• Execute patching activities following DT maintenance windows and compliance requirements.
• Monitor iPost scoring and collaborate with Scanning and System Administration teams to remediate findings.
• Apply STIG-compliant configurations and support vulnerability remediation efforts alongside Cybersecurity teams.
• Monitor system performance using SolarWinds and Splunk; identify and resolve systemlevel issues.
• Develop and maintain PowerShell scripts to drive automation and reduce manual tasks.
• Support backup validation and system recovery efforts in alignment with COOP expectations.
• Support virtualized environments (e.g. Nutanix) and assist with integrations and infrastructure updates.
• Collaborate with supporting teams to troubleshoot dependencies and connectivity issues.
• Maintain clear documentation for configurations procedures and troubleshooting activities.
• Continue developing technical proficiency in Windows systems AD and enterprise tools used within the environment.

Minimum requirements:

• Bachelors degree and minimum of 9 years of relevant experience; or Masters degree with minimum of 7 years; or PhD with 4 years. Four (4) additional years of experience can be substituted in lieu of the degree requirement.
• Must possess or obtain prior to start date at least one of the following certifications. Continued certification is required as a condition of employment:

  • CASP CE; CCNA Cyber Ops; CCNA-Security; CCNP Security; CEH; CFR; CISA; CISSP (or Associate); Cloud; CySA; GCED; GCIA; GCIH; GICSP; SCYBER; VCA DCV; PPDA; Agile IC;
    SNOW App Dev

• Experience with enterprise technologies such as Windows Server Active Directory virtualization platforms (e.g. Nutanix) and monitoring tools (e.g. Splunk SolarWinds).
• U.S. Citizenship required.
• An Active Secret security clearance with eligibility to obtain a final Top Secret security clearance.
• Ability to support core business hours ().

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 worlds 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 cant be done by solving the most daunting challenges facing our customers. Visit to learn how were keeping people around the world safe and secure.