Windows Administrator jobs in District of Columbia

Quantico, Virginia

•

Today

Title: System Administrator Location: Quantico, VA - Onsite Status: Full Time Clearance: Top Secret Yakshna Solutions, Inc., (YSI)is a CMMI Level 3 assessed, ISO 9001, 20000:1, 27001 certified, woman-owned small business enterprises, headquartered in Herndon, Virginia, USA. YSI provides professional IT solutions and services to business corporations and government organizations. YSI is committed to serve its business communities as a leading IT vendor providing innovative, quality and cost-eff

Easy Apply

Full-time

100,000 - 110,000

Windows Infrastructure / Systems Administrator

Bethesda, Maryland

•

Today

Job Title: Windows Infrastructure / Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: * * * The Opportunity: Support NSWC Carderock by maintaining their Microsoft Windows infrastructure. Ensure combat readiness through the cutting edge application of technology. Responsibilities: MECM Infrastructure: Architect and maintain the MECM hier

Full-time

USD 86,600.00 - 181,800.00 per year

Senior AWS Windows Systems Administrator

Springfield, Virginia

•

Today

Overview We are seeking a highly skilled and motivated Senior Windows Systems Administrator to join our project team delivering and supporting a COTS platform for our government customer in Springfield, VA. This pivotal role focuses on the end-to-end installation, management, and optimization of the Windows-based servers hosting this platform within a secure Amazon Web Services (AWS) cloud environment. The ideal candidate will ensure the platform's stability and performance through expert admin

Full-time

Windows Systems Administrator - TS/SCI with Polygraph

Herndon, Virginia

•

Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Endpoint Manager, Microsoft Windows, Microsoft Windows Server, Systems Engineering Certifications: MCSE - Microsoft - Microsoft Experience: 10 + years of related experience ship Required: Yes Job Description: Tra

Full-time

USD 187,000.00 - 253,000.00 per year

Windows System Administrator

Fort Meade, Maryland

•

Today

Leidos currently has an opening for a Windows Systems Administrator to support a Department of War customer, onsite, in Fort Meade, Maryland. POSITION SUMMARY: This position will support the administration, maintenance, security, and reliability of mission-critical Windows Server infrastructure and enterprise services and requires onsite support two to three days per week. The successful candidate will independently administer and maintain enterprise Windows Server environments, troubleshoot

Full-time

USD 73,450.00 - 132,775.00 per year

Windows System Administrator, Sr.

Annapolis, Maryland

•

Today

Unisity, LLC is a Service-Disabled Veteran Owned Small Business providing expert services in the Information Technology fields. We pride ourselves on delivering what is promised, as some would say we "just do". We are highly-qualified, self-driven professionals who work towards a common goal as a team, leading when appropriate and following when needed. Job Summary: A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in s

Full-time

Senior Windows System Administrator

Annapolis, Maryland

•

Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities includ

Full-time

USD 164,000.00 - 200,000.00 per year

ME00696-Senior Windows System Administrator

Annapolis, Maryland

•

Today

Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leadin

Full-time

USD 155,000.00 - 215,000.00 per year

MD-Systems Administrator(Windows) - TS/SCI w/ Polygraph

Annapolis, Maryland

•

Today

Location: Annapolis Junction, MD Category: Systems Administrator Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework ?SAFe? in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities

Full-time

USD 92,300.00 - 166,850.00 per year

Sr. Windows Systems Administrator TS/SCI Poly

Annapolis, Maryland

•

Today

Senior Windows System Administrator; requires TS/SCI Polygraph up front. Lucky you! This comes with a $15k SIGN ON BONUS. Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we of

Full-time

USD 116,350.00 - 210,325.00 per year

Senior Windows Administrator (Duty Location is Radford, VA)

Remote or Radford, Virginia

•

Today

Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 87,320.00 per year

Windows Administrator (Annapolis Junction, MD)

Maryland

•

Today

Maximus is seeking a Senior Windows Administrator to join our team. As a Senior Windows Administrator, you will be responsible for overseeing the design, implementation, and maintenance of windows-based servers and systems. Your role will involve managing server infrastructure, troubleshooting issues, and ensuring the reliability and security of the Windows environment. This is an onsite position in Annapolis Junction, MD, requiring five days per week onsite and an active Secret Security clearan

Full-time

Depends on Experience

Senior IT Systems Administrator (Azure Windows Admin)

Washington, District of Columbia

•

Today

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage-domain dominance. The company's products are powered by Coherent Distributed Networks (CDN ), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Par

Full-time

USD 140,000.00 - 200,000.00 per year

Lead Windows System Administrator

Remote

•

6d ago

Lead Windows System AdministratorAs a Lead Windows System Administrator, you will play a critical role in maintaining and enhancing our organization's IT infrastructure. You will be responsible for overseeing the installation, configuration, maintenance, and upgrading of Windows infrastructure services, Active Directory, and cloud services. Your expertise will ensure the availability, security, and optimal performance of our IT systems, enabling our staff to carry out their duties effectively. R

Easy Apply

Contract, Third Party

70 - 80

Systems Administrator, Senior- Red Hat Linux & Windows (Top Secret w/SCI eligibility)

Washington, District of Columbia

•

Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with strong Red Hat Linux CLI and Windows administration experience to support a Special Access Program in Washington, DC. This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier support for systems that cannot fail. Role includes a $5,000 sign-o

Full-time

USD 150,000.00 per year

System Administrator 2 - (UNIX, Windows, Network Components)

Annapolis, Maryland

•

Today

System Administrator 2 - (UNIX, Windows, Network Components) Clearance: TS/SCI - Polygraph required within 7 years Position ID: 25-8952-SA2 Location: Annapolis Junction, Maryland Description: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client

Full-time

USD 156,000.00 - 190,000.00 per year

System Administrator Level 2 - (Linux, Unix, Windows)

Annapolis, Maryland

•

Today

System Administrator Level 2 - (Linux, Unix, Windows) Clearance: TS/SCI - Polygraph required Position ID: 21-03-05-SA2 Location: Annapolis Junction, Maryland Description: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/netwo

Full-time

USD 154,000.00 - 189,000.00 per year

System Engineer / System Administrator SE1orSA2 - (UNIX, Windows, IT Systems)

Annapolis, Maryland

•

Today

System Engineer / System Administrator SE1orSA2 - (UNIX, Windows, IT Systems) Clearance: TS/SCI - Polygraph required Position ID: 23-BY-T-08-SE1orSA2 Location: Annapolis Junction, Maryland Description: Analyze user's requirements, concept of operations documents, and high level system architecture to develop system requirements specifications.Analyze system requirements and lead design and development activities.Guide users in formulating requirements, advise alternative approaches, and conduc

Full-time

USD 179,000.00 - 235,000.00 per year

NCIS Windows Systems Administrator | Active Top Secret clearance

Quantico, Virginia

•

Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Windows Server, Mobile Device Management (MDM), System Administration, Windows System Administration Certifications: Security+ CE - CompTIA - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform

Full-time

USD 93,662.00 - 108,100.00 per year

Systems Administrator 3 - (Windows, Active Directory, VMware)

Linthicum Heights, Maryland

•

Today

Systems Administrator 3 - (Windows, Active Directory, VMware) Clearance: TS/SCI - Polygraph required Position ID: 10-5017-SA3 Location: Linthicum, Maryland Description: As a collaborative member of a small and mostly autonomous team, this position directly supports secure enclave development networks. Conduct functional and connectivity testing to ensure continuing operability.Develop and document systems administration standard operating procedures.Maintain baseline system security according

Full-time

USD 170,000.00 - 207,000.00 per year

Windows Administrator jobs in Washington, DC, USA