Microsoft System Administrator- Senior / Junior(Top Secret with agreement to obtain CI Poly)

Northpointtechnology · Fort Belvoir, Virginia, United States · Other

Posted 2026-07-15

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This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph.

Microsoft System Administrator (Senior / Junior)

Position / LCAT: Microsoft System Administrator Level: Senior and Junior Lead Designation: N/A Location: Fort Belvoir, VA

Role Summary

Supports the identification and resolution of automation and information technology hardware and software issues to maintain at least a 99% system availability rate. Senior administrators perform administration and maintenance of Windows-based servers, apply DISA STIGs, deploy applications, and conduct system upgrades across multiple supported networks. Junior administrators perform installation, configuration, administration, and monitoring of end-user IT automation equipment including baseline imaging, performance optimization, patching, and updating.

Responsibilities

Senior Level:

Perform administration and maintenance of Windows-based servers, including daily system checks; record 100% of findings and statuses

Ensure all Microsoft Windows Server and installed features/applications have the latest DISA STIGs applied within 30 calendar days of release

Apply vendor security updates and hotfixes to address ACAS findings and organizational security mandates within 14 calendar days

Provide detailed system matrices of supported systems and applications including utilization, uptime, storage availability, and performance

Deploy in-house developed, COTS, and GOTS applications to production, integration, and staging servers within 2 business days

Conduct system upgrades; planning phase within 15 business days of upgrade request

Ensure availability and accessibility of approximately 20 Microsoft IIS websites hosted across five networks

Provide Continuity of Operations (COOP) planning, evaluation, and execution bi-annually

Notify Government of unscheduled outages within 30 minutes; record to operations log within 4 hours

Provide after-hours on-site support with 2-hour response time

Monitor and manage trouble tickets assigned to the Systems Administration branch

Junior Level:

Perform installation, configuration, administration, and monitoring of end-user IT automation equipment, including baseline imaging, performance optimization, patching, and updating

Perform maintenance and functionality checks of conference rooms to ensure computer, video-teleconference, and voice IT equipment are operational

Identify, prioritize, track, and resolve end-user automation hardware and software issues to maintain 99% system availability

Provide comprehensive inventory and automation capability matrices monthly or as requested

Analyze technical support requests and provide solutions within 10 business days of receipt

Coordinate with Property Book Office to manage equipment issue and turn-in process for end-user IT equipment

Perform daily printer management duties including paper and toner supply maintenance

Provide after-hours on-site support with 2-hour response time

Required Qualifications

Senior Level:

Eight years of progressively responsible experience in server administration, including supporting and managing servers in a production environment

Five years of experience identifying and analyzing server requirements; planning the design and deployment of new technologies and upgrades

Five years of experience applying industry best practices on Windows Server 2016 and later operating systems

Eight years of experience on server administration in Microsoft Windows environments, including configuration, performance monitoring, and tuning

Four years of management experience

Microsoft Active Directory, DNS, DHCP experience

Three years of experience serving as a team leader

Five years of experience mentoring junior personnel

Five years of experience applying systems patches and STIGs on Microsoft Windows Server 2016 and later

Four years of experience using PowerShell and other scripting languages to automate common and repeat tasks

Microsoft Certified Solutions Associate (MCSA) or Windows Server 2012/Windows Server 2016 Certification

DoD 8140.03 IAT Level II / Intermediate certification

TS/SCI clearance with SBI and ability to attain SI, TK, G, HCS, and NATO Secret clearance

Junior Level:

Three years of progressively responsible experience in desktop support and administration, including supporting, troubleshooting, and managing workstations, monitors, VTC, and printers

Three years of experience with installing software, patching software, and troubleshooting software configuration

Two years of experience with printer support and maintenance

Three years of experience with equipment inventory management and turn-in process

DoD 8140.03 IAT Level II / Intermediate certification

TS/SCI clearance with SBI and ability to attain SI, TK, G, HCS, and NATO Secret clearance

Preferred Qualifications

Experience with PowerShell scripting and automation

Experience with DISA STIG compliance and ACAS

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