Windows Systems Administrator (Journeyman) Active Secret

Peraton OverviewPeraton 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.ResponsibilitiesPeraton is seeking a Windows Systems Administrator (Journeyman) to support the Department of State (DoS) Diplomatic Security Cyber Mission (DSCM) program. This role provides hands-on support for enterprise Windows infrastructure within the DT/CO/CTMR environment, contributing to secure, stable, and reliable operations across multiple enclaves. The Windows Systems Administrator focuses on system administration, patch compliance, and infrastructure support, working closely with System Administration, Network Support Services (NSS), and Cybersecurity teams to maintain and improve the operational environment.Location: Beltsville, MD.What you’ll 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 alignment with established standards.Troubleshoot server, operating system, and service-related issues to ensure system availability and performance.Support Active Directory operations, including authentication troubleshooting, directory health, and access control validation.Assist with ARS-related activities within connect.sbu environments.Troubleshoot authentication issues, account lockouts, and directory-related problems.Ensure proper use of attributes (e.g., extensionAttribute10, iPost-related attributes) to support integrations such as Okta and iPost.Execute patching activities in accordance with DT maintenance windows and compliance requirements.Monitor iPost scoring and coordinate with Scanning and System Administration teams to remediate findings.Apply STIG-aligned configurations and support vulnerability remediation efforts in coordination with Cybersecurity teams.Monitor system health and performance using SolarWinds and Splunk, and perform remediation of system-level issues.Develop and maintain PowerShell scripts to improve efficiency and reduce manual effort.Support backup validation and assist with system recovery efforts in alignment with COOP expectations.Support virtualized environments (e.g., Nutanix) and assist with system integrations and infrastructure changes.Troubleshoot and resolve system dependencies and connectivity issues in coordination with supporting teams.Maintain documentation for system configurations, procedures, and troubleshooting steps.Continue developing technical proficiency in Windows systems, Active Directory, and enterprise tools used within the environment.Maintain a working knowledge of Linux systems to support cross-platform operations within a primarily Linux-based environment.QualificationsMinimum requirements: Bachelor’s degree and a minimum of 9 years of relevant experience; a Master’s degree with 7 years of experience; or a PhD with 4 years. An additional 4 additional years of relevant experience may be substituted in lieu of a bachelor's degree.Must hold (or obtain prior to start) at least one approved certification, maintained 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, or 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), along with basic familiarity with Linux operating systems given the primarily Linux-based environment.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 (0800–1700).Target Salary Range$112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.Benefits StatementPeraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at.Application StatementsThe application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-171733Position Category: Cyber SecurityClearance: Top Secret