Windows Administrator Jobs in District of Columbia

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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

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 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

Senior JBoss Engineer

ALTA IT Services

Washington, District of Columbia, USA

Full-time

Senior JBoss Engineer This position is located in Washington, DC and will be a remote position with intermittent visits to customer location 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 suppo

Senior JBoss Engineer

System One

Washington, District of Columbia, USA

Contract

Senior JBoss Engineer This position is located in Washington, DC and will be a remote position with intermittent visits to customer location 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 suppo

Infrastructure Support Engineer

Urpan Technologies, Inc.

Remote

Contract

Need at least 8 to 10 + Years of experience . L2 (Tier2 Operations) Primary Monitoring & Incident Response Provide 247 monitoring of Azure infrastructure (compute, network, storage) using tools such as Azure Monitor, Splunk, DynaTrace, and custom dashboards. Respond to alerts and triage P1/P2 escalations via ServiceNow war rooms, performing initial diagnosis and remediation where possible. Incident / Change / Exception process adherence. Capacity & Availability Management Identify scaling oppor

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

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

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

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

System Administrator Level IV

General Dynamics Information Technology

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: Computer Servers, Linux, Microsoft Windows, Troubleshooting Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: System Administrator Level IV Transform technology into opportunity a

O&M Systems Engineer

SAIC

Reston, Virginia, USA

Full-time

Job ID: 2500881 Location: RESTON, VA, US Date Posted: 2025-03-10 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

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

Tier 1 - Windows Helpdesk Support

TEKsystems

Remote or Anchorage, Alaska, USA

Full-time

TEKsystems is seeking 1 End User Helpdesk Support Technician for our Anchorage-based client. This will be a Monday - Friday 8- 5 position on-site in Anchorage, AK The Tier 1 End User Support Technician will be responsible for answering first-tier service desk calls. The candidate will work over the phone and via remote desktop control to resolve user issues. This position is not limited to end-user issues but may include remote server work as well, including patches, defragmentation, event log e

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Sr. Cyber Security Analyst - Incident Response

T. Rowe Price

Remote or Maryland, USA

Full-time

Requisition Number: 76941 Position Title: External Description: Role Summary We're looking for a passionate and highly motivated professional to serve as a senior member of our Incident Response program. The Senior Cyber Security Analyst will use his or her experience and expert knowledge to defend our networks, systems, and data from attack. Understanding current tactics, techniques, and procedures used by adversaries you will apply that knowledge to the investigation of cyber-attacks, ensurin

Senior Infrastructure Engineer

Dimensional Fund Advisors LP

Remote or Charlotte, North Carolina, USA

Full-time

Notes to applicants: Dimensional sees great value from collaborating in our offices and appreciates the benefits of flexibility. Most roles fit our office-first hybrid approach: We are together on our campuses Tuesdays, Wednesdays, and Thursdays and have the choice to work in the office or remotely, depending on what is best for that work day, on Mondays and Fridays. This approach maximizes in-person collaboration and interaction while simultaneously providing flexibility and applies to most rol

System Administrator (Hybrid)

Citi

Remote or Jacksonville, Florida, USA

Full-time

Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is

G2 SharePoint Systems Administrator | Active Top Secret clearance

General Dynamics

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft SharePoint Administration, SharePoint Management, System Administration Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint / Systems Administrator with