Senior Windows System Administrator

Clearance Level
Secret
Category
Systems Administration
Location
Falls Church, Virginia
(Hybrid Workplace)
Key Skills For Success

Active Directory (AD)

Information Technology (IT) Systems

Microsoft Windows

Technical Support

Troubleshooting

REQ#: RQ199439
Public Trust: None
Requisition Type: Regular
Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

Position Summary:

We are seeking an experienced Senior Windows System Administrator to support the Infrastructure Management Monitoring Team’s enterprise System Center Operations Manager (SCOM) environment. This role is critical to maintaining the security, performance, and availability of our Windows-based systems. The ideal candidate is a proactive problem solver who thrives in a dynamic, mission-driven environment and can engage confidently with senior military and government leadership.

Key Responsibilities:

  • Administer Windows servers, applying patches, hotfixes, and STIGs to maintain system security and compliance.

  • Analyze trends and implement proactive solutions to mitigate recurring issues and enhance system performance.

  • Develop SOPs to standardize and automate tasks, enabling user self-service capabilities.

  • Lead process improvement initiatives and support change management activities.

  • Provide senior-level technical support while monitoring ticket queues to meet or exceed SLAs.

  • Review and update SCOM console security, apply patches, create SCOM console roles and reviews, and create and install custom Management Packs (MP) as needed 

  • Deliver SCOM views, create custom reports on results of SCOM monitoring, use SQL Server Reporting Services (SSRS) technologies, and provide problem resolution for SCOM components and related custom scripts 

  • Build Executive Dashboards via Web interfaces or other dashboards via PowerBI

  • Manage hardware/software upgrades, server and rack installations, and related infrastructure projects.

  • Implement monitoring solutions and response processes to empower Tier 1 and Tier 2 teams.

  • Collaborate with SQL engineers to ensure optimal database and application performance.

  • Monitor application/system performance, develop performance baselines, and deliver reports to leadership.

  • Recommend and support hardware/software lifecycle planning and execution.

  • Deliver technical training and engage with stakeholders to ensure timely task execution.

Qualifications:

Education & Experience:

  • Bachelor’s degree in IT, Computer Science, or related field—or equivalent combination of education and experience.

  • Minimum of 6 years of experience administering Windows-based enterprise environments.

Technical Skills & Competencies:

  • IT experience supporting large enterprise Windows server environment; Experience working with and utilizing SCOM or other monitoring software

  • Experience with configuration, installation, and administration of Windows servers.

  • Strong troubleshooting, analytical, and documentation skills.

  • Familiarity with SQL server environments and performance monitoring tools.

  • Experience with hardware/software lifecycle and IT asset management.

  • Effective communicator, capable of delivering clear briefings and documentation to leadership.

  • Proven ability to work collaboratively, meet deadlines, and adapt to evolving mission needs.

Certifications:

  • Must hold a DoD 8570.01-M IAT Level II certification (e.g., Security+ CE) at the time of interview.

  • Certifications: Must meet DoD IAT Level II IA and baseline certification at start date; Ability to obtain ITIL within 6 months of start date Must comply with future DoD 8140 requirements and maintain active certifications.

Clearance Requirements:

  • Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.

Location/Travel:

  • Falls Church, VA - Onboarding/transition in period requires on-site support up to 60 days. Once approved, three (3) days onsite with up to two (2) days of teleworking. GECOS work schedules are subject to change direction by mission requirements from GDIT or USG leadership.  

  • Up to 10%.  Travel may include attending conferences up to two times annually and site visits as needed.

#GDITPriority #GDIT

Work Requirements
Years of Experience

6 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CEH - EC-Council

CompTIA Security + CE - CompTIA

Cisco Certified Network Associate (CCNA) Security - Cisco

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $102,000 - $138,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans