Windows Administrator Jobs in Washington

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Senior System Engineer (Government)

AT and T

•

Oakton, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to
Posted 8 days ago | Updated 14 hours ago

Network and AV Cabling Support

SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2507149 Location: ADELPHI, MD, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Audio Visual Tech Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Network and AV Cabling Support Specialist to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of E
Posted 10 days ago | Updated 10 hours ago

Senior Infrastructure Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Senior Infrastructure Engineer In this role, you will be responsible for designing, supporting, and maintaining secure network architectures, devices, and communications systems for Industrial Control System (ICS) environments in non-nuclear power plants. Your efforts will support both edge computing and cloud-based infrastructures, contributing to the broader mission of expanding access to reliable renewable energy. The company is located in Herndon, VA and will be a hybrid model. What You Will
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Posted 33 days ago | Updated 8 hours ago

IT TECH SUPPORT SPECIALIST TIER II

Codice

•

Washington, District of Columbia, USA

Contract

Working hours are 8:30pm-5pm in person, Monday-Friday and the work location will be at a NE, DC office JOB TITLE: IT TECH SUPPORT SPECIALIST TIER II POSITION SUMMARY The Technical Support Specialist Tier II will play a critical role in providing effective technical support services to users, troubleshooting various hardware and software issues, and ensuring the smooth functioning of computer systems and databases. This role requires proficiency in resolving technical support problems, offering g
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Posted 10 days ago

Cloud Engineer

BOOZ, ALLEN & HAMILTON, INC.

•

Arlington, Virginia, USA

Full-time

Cloud Engineer Key Role: Manage, administer, support, and enhance cloud environments, ensuring continuous improvement and rapid problem resolution. Apply specific functional, working, and general industry knowledge. Develop or contribute to solutions to a variety of problems of moderate scope and complexity. Work independently with some guidance. Review or guide the activities of junior employees. Basic Qualifications: 5+ years of experience in network engineering and Cloud services Experienc
Posted 7 days ago | Updated 14 hours ago

Systems Administrator

Leidos

•

Chantilly, Virginia, USA

Full-time

The Multi-Domain Solutions (MDS) division at Leidos is seeking a detail-oriented and experienced Systems Administrator to manage the installation, configuration, administration, and maintenance of enterprise systems and associated hardware. The ideal candidate will play a key role in supporting IT infrastructure, ensuring system reliability, performance, and security across physical and virtual environments. Primary Responsibilities: Install, configure, and maintain systems, including servers a
Posted 45 days ago | Updated 12 hours ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) 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 offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match
Posted 60+ days ago | Updated 12 hours ago

Senior Network Operations Administrator

Leidos

•

Lorton, Virginia, USA

Full-time

The Multi Domain Solutions Division at Leidos is looking for a Senior Network Operations Administrator to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulations. The Senior Network Operations Administrator will ensure accounts for the enterprise solution are created and managed across multiple classification levels. P
Posted 21 days ago | Updated 12 hours ago

Forensics Analyst - Senior

Electronic Consulting Services, Inc (ECS Federal)

•

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Cyber Defense Forensics Analysts Sr. to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. Identify threat tactics, methodologies, gaps, and shortfalls aligned with the MITRE ATT&CK Framework and the Azure Threat Research Matrix (ATRM). Perform Hypothesis-based or Intelligence-based Cyber Threat Hunts to identify threats and risks within environments. Use cloud-native techniques and methods to identify and cre
Posted 3 days ago | Updated 9 hours ago

ServiceNow Developer Functional Manager

SAIC

•

Adelphi, Maryland, USA

Full-time

Job ID: 2507380 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Software Subcategory: SW Systems Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven ServiceNow Developer Sr. Functional Manager to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full rang
Posted 3 days ago | Updated 10 hours ago

SAR/SCI Systems Administrator - Advanced 1

Johns Hopkins Applied Physics Laboratory (APL)

•

Laurel, Maryland, USA

Full-time

Description Do you love solving complex technical problems in customized IT environments? Are you passionate about providing advanced system administration support for unique, mission-critical projects? Do you like contributing to innovative projects that directly impact national security? If so, we're looking for someone like you to join our team at APL. We are seeking a talented Tier 3 Systems Administrator to expertly manage, secure, and maintain customized Windows and Linux environments sup
Posted 11 days ago | Updated 17 hours ago

SCCM/MCM Systems Engineer - TS/SCI w/Poly

General Dynamics

•

Annapolis, Maryland, USA

Full-time

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: Systems Engineering Job Qualifications: Skills: Microsoft Endpoint Configuration Manager, Microsoft Windows, Operating Systems (OS) Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: SCCM/MCM Systems Engineer Deliver simple solution
Posted 50 days ago | Updated 12 hours ago

Desktop Engineer

TEKsystems c/o Allegis Group

•

Reston, Virginia, USA

Full-time

Description Overview: We are seeking a highly professional, polished, and customer-focused Desktop Support Engineer to join our dynamic team. This role requires a well-groomed individual with excellent interpersonal skills who can represent the IT function with confidence and courtesy in high visibility environment. Responsibilities: Provide support for desktops, laptops, mobile devices, and peripherals (Windows, macOS, iOS, Android) Troubleshoot and resolve issues related to hardware, software,
Posted 1 day ago | Updated 9 hours ago

Systems Analyst/Administrator

Navigant Consulting

•

Springfield, Virginia, USA

Full-time

Job Family: Data Science & Analysis Travel Required: None Clearance Required: Active Top Secret SCI (TS/SCI) What You Will Do: The Systems Analyst (also known as Systems Administrator or Data Analyst) will support a large IC Agency's CIO-T office with managing enterprise level data systems to include conducting analytics for insight and creating more efficient ways of accessing the data. Regular duties will include: Design, deploy, configure, secure, monitor, and manage a variety of cloud-ba
Posted 60+ days ago | Updated 12 hours ago

Senior Software Systems Analyst

Leidos

•

Fort Belvoir, Virginia, USA

Full-time

Leidos has an exciting opportunity to hire a Senior Software Systems Analyst. At Leidos, we don't just imagine the future-we build it. As a cornerstone of cutting-edge innovation across national security, defense, civil, and health markets, Leidos offers you the chance to solve some of the world's toughest challenges alongside the brightest minds in the industry. Whether you're passionate about artificial intelligence, mission-critical operations, or transformative health technologies, you'll fi
Posted 5 days ago | Updated 12 hours ago

Desktop Engineer

TEKsystems c/o Allegis Group

•

Reston, Virginia, USA

Full-time

Description Overview: We are seeking a highly professional, polished, and customer-focused Desktop Support Engineer to join our dynamic team. This role requires a well-groomed individual with excellent interpersonal skills who can represent the IT function with confidence and courtesy in high visibility environment. Responsibilities: Provide support for desktops, laptops, mobile devices, and peripherals (Windows, macOS, iOS, Android) Troubleshoot and resolve issues related to hardware, software,
Posted 2 days ago | Updated 9 hours ago

Systems Admin/DBA (Secret Clearance)

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Analysis Job Qualifications: Skills: Azure Active Directory (AD), Microsoft Azure Cloud Services, Microsoft Windows Server, PL/SQL (Programming Language), Structured Query Language (SQL) Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: We are seeking a qualifie
Posted 26 days ago | Updated 1 day ago

Systems Administrator - SME

Realm One

•

Tysons, Virginia, USA

Full-time

We're searching for talented individuals who provide systems administration support services for a sophisticated enterprise computing infrastructure. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: We are looking for a Systems Administrator - SME to join our technology-based program supporting a key g
Posted 60+ days ago | Updated moments ago

System Administrator Level IV

General Dynamics

•

Laurel, Maryland, USA

Part-time

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: Systems Administration Job Qualifications: Skills: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag
Posted 27 days ago | Updated 12 hours ago

System Administrator Level IV

General Dynamics Information Technology

•

Laurel, Maryland, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Active Directory (AD), Operating Systems (OS), OS Configuration, PC Installation Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Description: Manag
Posted 30 days ago | Updated 8 hours ago