Windows Administrator Jobs in District of Columbia

361 - 380 of 571 Jobs

Linux Administrator - Scripting (SA2) (Government)Job Title - Linux Administrator - Scripting (SA2) (Government)

AT&T Inc.Company Name - AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: 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 our customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s

Systems Administrator 3Job Title - Systems Administrator 3

NightwingCompany Name - Nightwing

•

Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Application Support AdministratorJob Title - Application Support Administrator

Marsh & McLennan CompaniesCompany Name - Marsh & McLennan Companies

•

Remote or White Plains, New York, USA

Full-time

Company: Marsh McLennan Agency Description: Our not-so-secret sauce. Award-winning, inclusive, Top Workplace culture doesn't happen overnight. It's a result of hard work by extraordinary people. The industry's brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as an Application Support Administrator at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee healt

Systems EngineerJob Title - Systems Engineer

Navigant ConsultingCompany Name - 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 AdministratorJob Title - Enterprise Application Administrator

RTX CorporationCompany Name - 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

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

MSITEK LLCCompany Name - MSITEK LLC

•

Herndon, Virginia, USA

Contract

- 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell scripting for automation, extremely fluent in PowerShell and command lines - Experience with Windows firewalls - Expert level Microsoft Azure Administrator - Expert level Windows admin skills (Active Directory, DNS, Group Policy) - Security Clearance or ability to get a Clearance Nice to Have Skills and Experience -Bachelors in Computer Science - Professional industry certifications

Senior Network EngineerJob Title - Senior Network Engineer

AAC IncCompany Name - AAC Inc

•

Quantico, Virginia, USA

Full-time

AAC Inc is seeking a highly skilled and motivated professional to join our team as an Senior Network Engineer to support efforts at the MCCOG. MCCOG is a specialized unit responsible for overseeing and executing defensive cyber operations, network operations, and cybersecurity for Marine Corps Enterprise Network (MCEN). MCCOG provides centralized management and protection of Marine Corps networks, ensuring the security, integrity, and availability of critical information systems and networks. It

Cyber Security Project EngineerJob Title - Cyber Security Project Engineer

Realm OneCompany Name - 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

Systems Administrator - TS/SCIJob Title - Systems Administrator - TS/SCI

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

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

Embedded Developer Level 2Job Title - Embedded Developer Level 2

Metrea Management, LLCCompany Name - 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

Security Authority to Operate (ATO)-Tools/AZUREJob Title - Security Authority to Operate (ATO)-Tools/AZURE

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Cybersecurity, Information Security, Information Technology Security, System Security Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Information Security Analyst Advisor (Azure Security Senior Engineer) Your Impact Ow

Junior .NET DeveloperJob Title - Junior .NET Developer

Cornerstone DefenseCompany Name - 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 AdministratorJob Title - Classified Virtualization Systems Administrator

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - 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 EngineerJob Title - Senior JBoss Engineer

ALTA IT ServicesCompany Name - 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 EngineerJob Title - Senior JBoss Engineer

System OneCompany Name - System One

•

Washington, District of Columbia, USA

Contract

Senior Systems EngineerJob Title - Senior Systems Engineer

General DynamicsCompany Name - 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 IIIJob Title - Network/System Administrator III

Modern Technology SolutionsCompany Name - 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 ExpertiseJob Title - Microsoft SharePoint Administrator & Developer with Power BI Expertise

Realm OneCompany Name - 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

Infrastructure Support EngineerJob Title - Infrastructure Support Engineer

Urpan Technologies, Inc.Company Name - 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

Systems Administrator - TS/SCIJob Title - Systems Administrator - TS/SCI

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Fort Belvoir, Virginia, USA

Full-time