Windows Administrator Jobs in Washington

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Sr. Systems Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Leidos is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable the Defense Threat Reduction Agency's (DTRA) Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The Sr System

Cloud Infrastructure Architect

SAIC

Chantilly, Virginia, USA

Full-time

Job ID: 2506648 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfoli

Senior DevOps Engineer

Costar Group

Arlington, Virginia, USA

Full-time

Senior DevOps Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information an

Sr. Configuration Management Admin - Logic Monitor

Connexion Systems & Engineering

Remote

Full-time

Configuration Administrator (LogicMonitor) TYPE: Contract-to-Hire COMP: Full Time - $110k - $120k Base, $10k - $15k Bonus (est.) HIRING TIMEFRAME: ASAP LOCATION: Remote with some limited travel (less than 25%) This position is part of a Managed Services operation. This is a remote position that can be located anywhere. There would be an hourly contracting rate for the first 3 months. After that, the candidate will convert to full time. Looking for an individual who is an expert in monitoring

Senior Cloud Engineer (SD/TX/DC/Boston)

Shield AI Inc

Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

MS Database Administrator (Maximo Database Administrator)

ALTA IT Services

Hyattsville, Maryland, USA

Full-time

Maximo Database Administrator Contract Length: 7 months with possibility of extension Location: Remote, with possible onsite meetings in the DMV area. Responsibilities: Database Administration and Maintenance on Oracle 12c, Oracle18 and SQL databases. Monitor, maintain, and optimize Maximo and asset management system databases. Maintain and enhance data archiving. Manage database configuration and security settings, ensuring compliance with company IT and cybersecurity standards. Perform patch

Expert Systems Engineer - TS/SCI with Polygraph Required

LMI Government Consulting (Logistics Management In

McLean, Virginia, USA

Contract

Overview LMI currently has three opportunities for Expert Systems Engineers to support an Intelligence Community customer in the northern Virginia area. The ideal candidate will serve in a full-time client facing role as an Expert Systems Engineer for an Intelligence Community (IC) client specializing in application development and maintenance with application instances in the cloud environment. The candidates will demonstrate polished skills in programming and execution while managing and conf

Software/Web Developer (Sr) - Cleared (TCF-SWD)

Kentro

Springfield, Virginia, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Windows System Vulnerability Management Coordinator/Admin

Navigant Consulting

Remote

Full-time

Job Family: IT Cyber Security (Digital) Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: Provide operating system level vulnerability management and coordination, including waiver documentation and approvals.Manage all aspects of the Windows 2012, 2016, 2019, and 2022 virtual and physical servers including; upgrades, patching, troubleshooting, resolving, designing, communicating, analyzing system logs, managing network, volume, and storage configurati

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics

Washington, District of Columbia, USA

Full-time

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: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,

Systems Administrator - TS/SCI

General Dynamics

Fort Belvoir, Virginia, 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: System Administration, Technical Support, Troubleshooting Certifications: Security+, CE - CompTIA-Security+ CE Experience: 1 + years of related experience ship Required: Yes Job Description: Manages the functionality and efficiency

Modernization Cyber Systems Administrator - SA1

Lockheed Martin Corporation

Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

Network Cloud Engineer

Motion Recruitment Partners, LLC

Manassas, Virginia, USA

Full-time

We are seeking a skilled and dedicated Network Engineer to join our team to support our company and multiple customers in the government sector. The ideal candidate will have a strong background in network design, implementation, and management, with an emphasis on security and compliance in government settings. This role will involve working closely with cross-functional teams to ensure robust, secure, and efficient network infrastructures. ship required for this position; must be able to get a

IT Analyst / Systems Administrator

Modern Technology Solutions

Fort Belvoir, Virginia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a IT Analyst/Systems Administrator in Ft. Belvoir, Va. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the

Senior Staff Engineer, End-user Compute Platform

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

We are looking for a Senior Engineer to join our End-User Compute team at NVIDIA. Your work will create a new developer paradigm: enabling dynamic access to desktop compute and applications on demand that can be accessed from anywhere. This role specializes in building server and application products designed to make developers more productive. You'll apply your expertise in software engineering, infrastructure, and DevOps to build a world-class cloud desktop platform. What you'll be doing: Wor

Senior Linux Systems Administrator - REMOTE

First American Financial Corporation

Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse

End User Support Specialist

DMI

Annapolis, Maryland, USA

Full-time

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, ef?cient, and cost-effective solutions that drive measurable results. Learn more at

IT Systems Engineer

American Systems Corporation

Chantilly, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities **This is a pipeline requisition designed to collect resumes for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when an opening/fundi

Senior Network Engineer

Parsons Services Company

Quantico, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Senior Network Engineer to join our tea

Modernization Cyber Systems Administrator - SA2

Lockheed Martin Corporation

Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t