Windows OS jobs in DC

Staff Software Engineer, Endpoint Escalations (C++, Windows/OS Internals)

Remote

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Today

Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find

Full-time

USD 156,000.00 - 215,000.00 per year

Helpdesk Specialist Journeyman

Washington, District of Columbia

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3d ago

DCPS Helpdesk Specialist (Journeyman) On-site, Washington, DC Client / AgencyDC Office of the Chief Technology Officer (OCTO Helps) DC Public Schools (DCPS)Work ArrangementOn-site (100%)LocationWashington, DC (must be able to travel around DC)DurationContract (Potential Extension)ScheduleMondayFriday, 8 hours/dayBill Rate (NTE)$41.61/hour submissions above this rate will not be consideredEducationBachelors in IT or related field, or equivalent experienceAbout This Role The DC Office of the Ch

Easy Apply

Full-time

Depends on Experience

Windows Systems Administrator

Arlington, Virginia

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Today

Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age. TDI is seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. 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. Apply

Full-time

Windows System Administrator

Arlington, Virginia

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Today

Description Windows Systems Administrator We are seeking a Windows Systems Administrator to join our team. 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. Apply today to become part of a team team that is assisting a classified DoD Agency as they migrate to a high security cloud environment by providing network and communication services, monitoring ser

Full-time

USD 50.00 - 65.00 per hour

Windows Systems Administrator

Arlington, Virginia

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Today

Job Description Seeking a career with a sense of purpose, work life balance, and growth opportunities? There's a place for you at Leidos! We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. 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. Apply today to become part of the Leidos t

Full-time

USD 73,450.00 - 132,775.00 per year

Windows System Engineer (W2 or Fulltime only)

Hybrid in Washington, District of Columbia

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2d ago

Job Title: Senior Systems Engineer / Lead Workstation Engineer Location: Washington, DC - (Hybrid) Clearance: Public Trust Job Summary: Seeking a senior workstation engineer with strong expertise in SCCM/MECM, Windows 11, OSD, application deployment, PowerShell, Active Directory, and Group Policy. The role will lead enterprise workstation engineering, automation, imaging, software deployment, migrations, troubleshooting, and endpoint lifecycle management. Key Responsibilities: Lead SCCM/MECM OSD

Easy Apply

Contract

$60 - $65

Windows Engineer

Chantilly, Virginia

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Today

MANTECH seeks a skilled and motivated Windows Systems Administrator to join our team of top Information Technology and Analytic professionals in Chantilly, VA. You will play a vital role in maintaining and enhancing the Sponsor?s Windows environment, contributing to national security through technical excellence. This dynamic role is embedded in an innovative Big Data ecosystem where collaboration and growth are encouraged. Responsibilities include but are not limited to: You will help sustain

Full-time

Windows System Administrator, Mid-Level

Washington, District of Columbia

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Today

Clearance Required: Active Top Secret Position Description: Support Naval Research Laboratory Space Systems Development Division (SSDD). The primary objective of the SSDD is to develop command, control, communications, computers, and intelligence, surveillance, and reconnaissance (C4ISR) hardware and software solutions to space, airborne, and ground applications. We are seeking a mid-level Windows Systems Administrator with 5-10 years of experience supporting Department of Defense (DoD) environm

Full-time

USD 85,000.00 - 125,000.00 per year

Datacenter Engineer

Rockville, Maryland

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Today

Recruiting contact Contact us directly if you have any questions about this open job position Contact us Your skills Minimum of 2-3 years of experience in desktop IT supportKnowledge of TCP/IP and basic networking conceptsExcellent communication and customer service skillsAbility to work independently and as part of a teamValid driver's license and willingness to travel between client sitesTechnical certifications such as A+ or Network+ are preferredFamiliarity with Windows OS, Mac OS, and comm

Full-time

USD 31.00 - 34.00 per hour

Workplace Advanced Support Engineer

Rockville, Maryland

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Today

Recruiting contact Contact us directly if you have any questions about this open job position Contact us Your skills Minimum of 2-3 years of experience in desktop IT supportRequirement Knowledge of TCP/IP and basic networking conceptsFamiliarity with Windows OS, Mac OS, and common enterprise applicationsExcellent communication and customer service skillsAbility to work independently and as part of a teamValid driver's license and willingness to travel between client sitesTechnical certification

Full-time

USD 25.00 - 31.00 per hour

Windows Systems Administrator

Suitland-Silver Hill, Maryland

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Today

Windows Systems Administrator Location: Suitland, MD Security Clearance: Active TS/SCI Required Leidos is seeking a Windows Systems Administrator to support mission critical infrastructure in Suitland, MD. In this role, you will administer and maintain Windows server environments supporting enterprise infrastructure, standardized desktop services, and secure mission operations. The ideal candidate has extensive experience managing Microsoft technologies, troubleshooting complex systems, and m

Full-time

USD 73,450.00 - 132,775.00 per year

Windows System Administrator - TS/SCI Required

Arlington, Virginia

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Today

Description TEKsystems is seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. 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. This position is based in Arlington, VA and is 100% on-site. 2nd Shift hours are Monday-Friday, 12pm-8pm. Primary Responsibilities Create, maintain, and implement detailed

Full-time

USD 50.00 - 65.00 per hour

Senior Systems Engineer

Washington, District of Columbia

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Yesterday

Job ID: 2615701 Location: Washington, DC, US Date Posted: 2026-08-14 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is seeking a well-seasoned Senior Systems Engineer with experience in Microsoft Cloud Technologies to support Pension Benefit Guaranty Corporation (PBGC) in Washington,

Full-time

USD 120,001.00 - 160,000.00 per year

Datacenter Technician

Reston, Virginia

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Today

Recruiting contact Contact us directly if you have any questions about this open job position Contact us Your skills 5+ years of experience as a Data Center Technician, Server Technician, or similar roleStrong knowledge of servers, switches, storage systems, and enterprise-level hardwareExperience working with enterprise IT infrastructureAbility to diagnose hardware and infrastructure issues independentlyFamiliarity with Windows OS, Linux, and standard enterprise toolsKnowledge of TCP/IP and ne

Full-time

USD 26.00 - 30.00 per hour

Senior Server Windows Engineer

Washington, District of Columbia

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Today

Job ID: 2613807 Location: Washington, DC, US Date Posted: 2026-06-17 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description The Senior Server Windows Engineer will provide systems administration and migration support for over 2000 windows operating on-premises and cloud tenants/environments with

Full-time

USD 80,001.00 - 120,000.00 per year

Windows Systems Administrator

Alexandria, Virginia

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Today

Windows Systems Administrator At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988. B&A believes in ensuring its employees feel deeply connected to B&A, recognizing successes and hard work, and providing continuous opportunities to learn and grow. Our people are entrepreneurial think

Full-time

USD 140,000.00 - 200,000.00 per year

CNO Training Environment Administrator 3 - (Windows, Python, PowerShell)

Fort Meade, Maryland

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Today

CNO Training Environment Administrator 3 - (CNO, PowerShell, vSphere) Clearance: TS/SCI - Polygraph required Position ID: 20-17-028-SE3 Location: Fort Meade, Maryland Description: You will be responsible for the administration and maintenance of quality control checkpoints (QCC) for the Customer. You will act as a support administrator and proctor for a practical examinations course where you will assist in the environment management, performance evaluation, and course systems improvement. Yo

Full-time

USD 233,000.00 - 284,000.00 per year

Windows System Administrator - CESO

Arlington, Virginia

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Today

Description Windows Systems Admin (Server) Leidos is seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. 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. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and

Full-time

USD 50.00 - 65.00 per hour

Level 1- Windows Systems Administrator- 53327

Alexandria, Virginia

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Today

Job Title: Level-1 -System Administrator Job Location: Alexandria, VA. (on-site) Clearance Required: Secret Employment Type : Full-Time/Exempt Job Description: Syneren is seeking a talented Level-1 Windows Systems Engineer with Azure experience to join our team. As a Level-1 Windows Systems Engineer with Azure experience, you will work closely with our clients to design, deploy, and maintain Windows-based server and cloud infrastructure solutions. The position will be based in Alexandria, V

Easy Apply

Full-time

Lead Windows Desktop Engineer

Washington, District of Columbia

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Today

Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Lead Windows Desktop Engineer to support KITS and our government customer in Washington, DC. This opportunity will require the candidate to work onsite in downtown Washington, DC, five (5) days per week, Monday through Friday. We offer competitive compensation and an extraordinary benefits package, including health, dental, and vision insurance, a 401(k) with company matching, flexible spending accounts, paid holidays, th

Full-time

USD 100,000.00 per year

Windows OS jobs in Washington, DC, USA