System administration Jobs in District of Columbia

101 - 120 of 651 Jobs

System Administrator 4Job Title - System Administrator 4

Boeing CompanyCompany Name - Boeing Company

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Herndon, Virginia, USA

Full-time

This posting is for a contract assignment and is not a full-time employment offer with Boeing. Candidates selected for roles will be employed as contract workers through a Boeing approved 3rd party for the duration of the specified project. The Boeing Defense, Space & Security (BDS), Maritime and Intelligence Systems (M&IS) seeks a System Administrator to join our Mission Systems Operations team in Herndon, VA. Our team focuses on delivering complex solutions in some of the most challenging envi

Senior System Engineer (Government)Job Title - Senior System Engineer (Government)

AT and TCompany Name - AT and T

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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

ADC Engineer II, RAPP P3 TeamJob Title - ADC Engineer II, RAPP P3 Team

Amazon Data Services, Inc.Company Name - Amazon Data Services, Inc.

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Columbia, Maryland, USA

Full-time

Would you like to implement innovative cloud computing solutions and solve the world's most complex technical problems? Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure to build a better world for future generations? This is an exciting opportunity to use the latest cloud computing technologies to help U.S. Government agencies implement innovative cloud computing solutions and solve technical problems. AWS established a specialized

Linux Systems Administrator (Tier I)Job Title - Linux Systems Administrator (Tier I)

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is a 100% 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 job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Tier I Linux S

Microsoft Exchange EngineerJob Title - Microsoft Exchange Engineer

Harmonia Holdings Group, LLC.Company Name - Harmonia Holdings Group, LLC.

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Washington, District of Columbia, USA

Full-time

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Job Title: Microsoft Exchange Engineer Location: Washington, DC (Onsite) Clearance Requirement: Active TS/SCI Clearance Required We are seeking a highly skilled Microsoft Exchange Engineer to support our D

Systems AdministratorJob Title - Systems Administrator

LeidosCompany Name - Leidos

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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

ADC Engineer II, RAPP P3 TeamJob Title - ADC Engineer II, RAPP P3 Team

Amazon Data Services, Inc.Company Name - Amazon Data Services, Inc.

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Maryland, USA

Full-time

Systems Administrator / Top Secret / Onsite: Arlington, VAJob Title - Systems Administrator / Top Secret / Onsite: Arlington, VA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Arlington, Virginia, USA

Full-time

Job Description The Advanced Concepts Lab (ACL) at Lockheed Martin's Advanced Technology Laboratories (ATL) is seeking an IT Systems Engineer/Systems Administrator with a demonstrated ability to independently develop solutions to systems administration challenges in heterogeneous computing environments. The selected candidate will serve as a system and network administrator for multiple program and internal R&D systems that support the research and development activities carried out by ACL's en

VMware Systems AdministratorJob Title - VMware Systems Administrator

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506948 Location: WASHINGTON, DC, US Date Posted: 2025-06-24 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description SAIC is hiring a VMware Systems Administrator to support HHS On-Site in Washington, DC. The VMware Systems Administrator will provide ongoing support to Executives

ServiceNow/SharePoint SME- Top Secret/SCI - Arlington, VAJob Title - ServiceNow/SharePoint SME- Top Secret/SCI - Arlington, VA

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Arlington, Virginia, 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 Administration Job Qualifications: Skills: Microsoft SharePoint Server, Scripting, ServiceNow Platform, SQL Databases, Workflow Management Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a ServiceNo

ADC Engineer II, RAPP P3 TeamJob Title - ADC Engineer II, RAPP P3 Team

Amazon Data Services, Inc.Company Name - Amazon Data Services, Inc.

•

Odenton, Maryland, USA

Full-time

System Administrator Level 3Job Title - System Administrator Level 3

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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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: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (I

Information Technology Analyst (Sr) (Cleared) SIOF-ITAJob Title - Information Technology Analyst (Sr) (Cleared) SIOF-ITA

KentroCompany Name - Kentro

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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

System Administrator Level 3Job Title - System Administrator Level 3

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Maryland, USA

Full-time

Senior DevOps EngineerJob Title - Senior DevOps Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Reston, Virginia, USA

Full-time

Job Number: R0221658 DevOps Engineer, Senior The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a DevOps engineer, you're eager to develop, manage, and secure a container platform that meets your client's needs and takes advantage of cloud capabilities. We need you to develop container management sof tware to solve some of our clients' toughest challenges. As a senior platform DevOps engineer at Booz Allen, you can use your te chn ical skills to affect mi

ADC Engineer II, RAPP P3 TeamJob Title - ADC Engineer II, RAPP P3 Team

Amazon Data Services, Inc.Company Name - Amazon Data Services, Inc.

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Columbia, Maryland, USA

Full-time

System AdministratorJob Title - System Administrator

ManTechCompany Name - ManTech

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Columbia, Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented System Administrator, to join our team in Columbia, MD. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO's Enterprise Information Technology (EIT). EIT is MPO's backbone- platform for all Enterprise users. Data Center & Compute Services is the

Systems Administrator, AdvisorJob Title - Systems Administrator, Advisor

General DynamicsCompany Name - General Dynamics

•

Springfield, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Desktop Management, End User Technology, Hardware Management, Virtual Desktop Infrastructure (VDI) Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a S

System Vulnerability Analyst 4Job Title - System Vulnerability Analyst 4

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time

Are you VIGILANT about your career? RealmOne definitely is! 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 jou

System Vulnerability Analyst 3Job Title - System Vulnerability Analyst 3

Realm OneCompany Name - Realm One

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Annapolis, Maryland, USA

Full-time