Senior Systems Administrator Secret or Top Secret Clearance
About The Position
The Senior Systems Administrator is responsible for the operational stability, security, and maintenance of server and network systems in the DISA Joint Service Provider Platform Services environment. The position installs and configures operating systems, provides system and network support, manages Active Directory, DNS, and DHCP, performs patch management and upgrades, monitors logs, maintains backups, and ensures compliance with DoD Security Technical Implementation Guides. The senior administrator works with limited supervision, leads troubleshooting on the assigned shift, and serves as a technical resource for junior administrators. The position is on-site at the Pentagon in Arlington, Virginia. Applicants must hold an active Secret or Top-Secret clearance. The salary range is $100,000–$106,000, and the application deadline is November 30, 2026.
Requirements
- Active Secret or Top-Secret clearance.
- Current and verified DoD 8140 / 8570 IAT Level II certification (Security+ CE or higher) before submission.
- Bachelor of Science in Information Technology or an engineering field.
- Minimum 5 years of experience administering Windows server environments.
- Experience managing and configuring Active Directory, DNS, DHCP, and VMware.
- Experience applying patches and maintaining DoD STIG compliance across servers and workstations.
- Experience providing technical support for workstations, servers, and virtual terminals in an enterprise environment.
- Understanding of the DoD Information Assurance Risk Management Framework (DIARMF).
- Ability to work the assigned shift, including nights or weekends if the vacancy is on a non-day shift.
Nice To Haves
- Experience in a DoD or DISA 24-by-7 operations or watch floor environment.
- Experience with ACAS, HBSS or ENS, and Tanium.
- Experience with an enterprise ITSM ticketing system such as Remedy.
- PowerShell scripting experience.
Responsibilities
- Perform day-to-day maintenance and operations, including reviewing audit logs and backups and maintaining the network equipment inventory.
- Ensure server and workstation security, apply patches and upgrades, and maintain compliance with DoD STIGs.
- Install and configure Windows server operating systems and supporting services.
- Manage and configure Active Directory, DNS, DHCP, and VMware virtualization.
- Provide technical support for network systems, including workstations, servers, and virtual terminals.
- Monitor system health and respond to incidents during the assigned shift; escalate and document incidents according to JSP procedures.
- Maintain system configuration documentation and system process and procedure documentation.
- Support DoD Information Assurance Risk Management Framework (DIARMF) activities and maintain cybersecurity standards.
- Serve as a technical resource for junior administrators on the shift.
Benefits
- Support to achieve professional certifications and degrees.
- Accessible leadership.
- Regular company updates.
- Client networking social engagements.
- Monthly team-building activities.
- Support for the community, including veterans.
- Opportunities for professional development and growth.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
