Windows Server Administrator - Day Shift

We are currently seeking a Windows Systems Administrator 1st shift (6AM to 2PM) to join the Compartmented Enterprise Services Office (CESO) effort. This position is based in Arlington, VA and is 100% on-site. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population.

• Administer and maintain Windows Server environments across physical and virtual infrastructure.
• Manage Active Directory, DNS, DHCP, Group Policy, and Microsoft-based infrastructure services.
• Perform server installation, configuration, upgrades, patching, and troubleshooting.
• Monitor server performance, availability, capacity, and system health.
• Manage user accounts, permissions, security groups, and access controls.
• Support virtualization platforms such as VMware.
• Implement and maintain server backup and disaster-recovery procedures.
• Troubleshoot operating-system, application, network, and server-related issues.
• Apply security updates, hardening standards, and vulnerability remediation.
• Maintain technical documentation, configuration records, and operational procedures.
• Participate in incident response, change management, and infrastructure projects.
• Automate routine administrative tasks using Power Shell where appropriate.
• Provide escalation-level support for Windows infrastructure issues.

• Bachelor's degree and 2+ years of overall related experience with a Windows servers environment.
• Additional experience, education and training may be considered in lieu of degree.
• An active TS/SCI security clearance is required for this position.
• Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce.
• Comfortable working 24×7 shifts, including nights, weekends, and holidays.
• Candidate may be asked to obtain CI Poly in future.
• Experience with configuration, troubleshooting and maintaining VMware environments.
• Experience with Power Shell scripting and experience in other languages like Python.
• Experience with application of security settings and other commercial best practices such as DISA STIGS.
• Proficient with Active Directory, DNS, DHCP, Group Policy, and Microsoft-based infrastructure services.
• Experience with System (hardware) and application (software) installation and configuration.
• Application of security settings and other commercial best practices such as DISA STIGS.
• Strong troubleshooting and problem-solving skills.

• Prior experienced with DISA and DISA’s support to mission partners TS/SCI w/CI Poly
• Preferred Experience with AWS EC2, S3.
• Candidates with a thorough knowledge of networking principles to included TCP/IP a plus.
• Experience with a ticketing system such as BMC Remedy.
• Linux OS experience.

If you’re looking for comfort, keep scrolling.

At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 - and moving faster than anyone else dares.

Pay Range $59,150.00 - $

Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported…