Senior Windows Systems AdministratorDo you thrive in a fast-paced, dynamic classified environment?Do you want to be empowered to take ownership of enterprise active directory domain infrastructure and have a direct impact on the reliability, performance, and security of critically important systems?Are you interested in working with a wide range of technologies, building supervising solutions from the ground up, and helping drive operational excellence across complex infrastructure environments?If so, we're looking for someone like you to join our team at Johns Hopkins Applied Physics Laboratory (APL), consistently ranked by Computerworld as one of the Top Places to Work in IT.We are seeking a Senior Windows Systems Administrator to support and secure enterprise systems within a Department of Defense (DoD) environment. This role is responsible for endpoint management, Active Directory administration, and thorough security compliance aligned with DISA STIGs and RMF requirements. The ideal candidate has deep experience with MECM, strong automation skills, and a consistent record operating in highly regulated environments.As a Senior Windows Systems Administrator, you will:Lead small teams and drive technical initiatives, successfully delivering complex projects with minimal supervision in a mission-critical environment.Deploy, configure, and sustain Microsoft Endpoint Configuration Manager (MECM/SCCM) for enterprise device management in a DoD environment.Administer Active Directory infrastructure, including advanced Group Policy design, enforcement, and troubleshooting.Implement, validate, and maintain DISA STIG compliance across Windows servers and endpoints.Lead the planning and execution of complex infrastructure and endpoint management projects with minimal supervision.Create and maintain detailed technical documentation, SOPs, and compliance artifacts.Qualifications:You meet our minimum qualifications for the job if you:5–10+ years of experience administering Windows Server and enterprise desktop environmentsProven experience running MECM/SCCM in large, secure environmentsAdvanced expertise in Active Directory, including GPOs, DNS, and identity/access managementHands-on experience implementing and maintaining DISA STIG complianceStrong analytical and troubleshooting abilities in high-security environmentsSelf-directed with strong ownership mentality and the ability to prioritize and complete tasks in low-supervision environments.Ability to work independently and lead technical initiativesClear verbal and written communication skills, especially in documenting compliance and audit artifactsThorough with a strong focus on security, accountability, and process adherenceActive CompTIA Security+ certification (DoD 8570/8140 compliant) requiredHold an active Secret level security clearance by your start date and can ultimately obtain a Top Secret level clearance.
If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.You'll go above and beyond our minimum requirements if you:Prior experience supporting DoD or federal government systemsExperience with virtualization platforms (VMware, Hyper-V, or KVM)Knowledge of Infrastructure as Code (IaC) and secure automation pipelinesAdditional certifications (e.g., Microsoft, CISSP, CASP+)Minimum Rate: $100,000 AnnuallyMaximum Rate: $245,000 Annually