Windows Administrator Jobs in District of Columbia

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Principal Network Engineer

Leidos

McLean, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Network 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 and immediate ves

Systems Engineer

Navigant Consulting

Washington, District of Columbia, USA

Full-time

Job Family: Systems Engineering Consulting Travel Required: None Clearance Required: Active Top Secret (TS) What You Will Do: Guidehouse is recruiting System Engineers to outwit complexity and be a part of our fast-growing litigation and investigation support practice. Every organization today faces complexity across multiple levels on a frequent basis. And navigating these challenges and opportunities demands more than the one-dimensional maps, tools, or solutions of the past. You need a gu

Enterprise Application Administrator

RTX Corporation

Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi

Cyber Security Project Engineer

Realm One

Chantilly, Virginia, USA

Full-time

We're searching for talented individuals who provide intelligence and cyber security expertise to support a government customer. 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! Program Review: Provides technical support to a diverse set of corporate goals across the organization by conducting technical risk assessments

Embedded Developer Level 2

Metrea Management, LLC

Maryland, USA

Full-time

Company OverviewMetrea is a defense company dedicated to translating commercial innovation into solutions for the hardest problems in national security. With deep mission expertise, Metrea focuses on delivering effects as-a-service across a spectrum of domains including Air & Space, Electromagnetic & Cyber, and Synthetic. Metrea Management provides central services to eleven (11) global capability units via Operations, Solutions, Strategy, Legal, and Finance teams. Capability Unit Metrea Algorit

100% REMOTE: Build Engineer

Parmesoft Inc.

Remote

Contract

VERY URGENT REQUIREMENT Position: Build Engineer Location: 100% REMOTE (Clint is in Madison, WI) Duration: 6 Months CONTRACT TO HIRE Rate: $53-$55/Hr Client needs build engineers and can build / install / configure Application servers and migrate the existing legacy environment to the Enterprise Datacenter for all Non-Prod & Prod environments. The target environment in EDC is all VMware virtualization with data on Pure Storage. Primary Skills Compute virtualization for both in-house developed a

Classified Virtualization Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you thrive in and love a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership and stake in the overall engineering and operations of the IT infrastructure? Are you interested in learning new technologies and creating new IT capabilities? If so, we're looking for someone like you to apply and join our team at APL! We are ranked as one of Computerworld 's Top Places to Work in IT for 6 years running, and we are seeking a Virtualization Systems

Senior JBoss Engineer

ALTA IT Services

Washington, District of Columbia, USA

Full-time

Senior JBoss Engineer Remote - with occasional meetings in Washington, DC Must be located in the Washington, DC metro area Must be able to obtain Public Trust clearance $145,000-150,000 annually Required Skills and Experience: Experience with JBOSS, Java EE applications, Red Hat In-depth knowledge of Artifactory Proven experience with DevSecOps Engineering Clearance Required: Must be able to obtain and maintain AOPublic Trust Responsibilities: JBOSS Install JBoss EAP on supported platforms (L

Junior .NET Developer

Cornerstone Defense

Reston, Virginia, USA

Full-time

Location: Reston, Virginia Type: Contract Job #3560 Title: .NET Developer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed

Senior JBoss Engineer

System One

Washington, District of Columbia, USA

Contract

Senior JBoss Engineer Remote - with occasional meetings in Washington, DC Must be located in the Washington, DC metro area Must be able to obtain Public Trust clearance $145,000-150,000 annually Required Skills and Experience: Experience with JBOSS, Java EE applications, Red Hat In-depth knowledge of Artifactory Proven experience with DevSecOps Engineering Clearance Required: Must be able to obtain and maintain AOPublic Trust Responsibilities: JBOSS Install JBoss EAP on supported platforms (L

Senior Systems Engineer

General Dynamics

Alexandria, Virginia, USA

Full-time

This is an unpaid fellowship through the Department of Defense (DoD) SkillBridge Program. The fellow selected for this role will not receive compensation or benefits from GDIT and will not be an employee, agent or contractor of GDIT but rather will remain an employee of the DoD and will receive compensation and benefits through the DoD. Type of Requisition: Regular Clearance Level Must Currently Posses: Top Secret Clearance Level Must Be Able To Obtain: Top Secret Public Trust/Other Required

Network/System Administrator III

Modern Technology Solutions

Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Network/System Administrator to join our team. 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 indu

Senior Server Infrastructure Engineer (Hybrid - Lithia Springs)

Carmax, Inc.

Remote or Lithia Springs, Georgia, USA

Full-time

8126 - Atlanta Data Center - Care of: Switch, Lithia Springs, Georgia, 30122 CarMax, the way your career should be! About this job About this job At CarMax, we are industry disruptors. At the heart of our innovation is new digital products. We are seeking a highly experienced and skilled Senior IT Infrastructure Specialist to join our dynamic Technology department. The ideal candidate will have a strong background in IT infrastructure and server management, with a deep understanding of both

Microsoft SharePoint Administrator & Developer with Power BI Expertise

Realm One

Annapolis, Maryland, USA

Full-time

ORANGE you glad that you chose RealmOne? RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute t

Software Engineer

Splunk Inc.

Utah, USA

Full-time

Description Job Summary: As a Senior Software Engineer specializing in malware detonation sandboxes, you will play a pivotal role in Protecting Splunk Attack Analyzer customers from threats. Your responsibilities encompass managing and optimizing a fleet of malware sandbox environments with a strong focus on automation, security, and operational reliability. You will apply your expertise in Python, virtualization, static and dynamic analysis to ensure efficient, scalable and reliable detonation

TOC Service Desk Agent

Apex Systems

Arlington, Virginia, USA

Full-time

Job#: 2060844 Job Description: Apex Systems is seeking multiple Service Desk Agents to join our team in Arlington, Virginia. Please see below for more details: The Technical Operations Center (TOC) Service Desk Agent provides mid-level support for an Information Technology (IT) Service Desk which receives and resolves incident and service request tickets through the ServiceNow service management software. The IT Service Desk supports a nearly 6000 user community within the Department of Homela

Junior Systems Administrator, Intelligence Systems

Aduril Industries

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Senior Virtual Systems Engineer

City of New York

Remote or New York, New York, USA

Full-time

Company Description Job Description Permanent incumbent only. Only permanent Certified IT Administrator (LAN / WAN) will be considered. The New York City Department of Investigation (DOI) is one of the oldest law enforcement agencies in the country with a mission of combating municipal corruption. It serves the people of New York City by acting as an independent and nonpartisan watchdog for New York City government, City agencies, and City employees, vendors with City contracts, individuals

DevOps Engineer - Mid

Parsons Services Company

Herndon, 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: We are seeking a motivated and experienced DevOps Engineer to join our team. This ro

O&M Systems Engineer

SAIC

Reston, Virginia, USA

Full-time

Job ID: 2500881 Location: RESTON, VA, US Date Posted: 2025-07-24 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the