system administration Jobs in district of columbia

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Software Virtualization Engineer (Top Secret/SCI)

ALTA IT Services

Springfield, Virginia, USA

Full-time

Software Virtualization Engineer Active Top Secret/SCI Required 100% ONSITE in Springfield, VA Direct Permanent Full time Opportunity We have an immediate opportunity for a Software Virtualization Engineer on a 10 year contract providing User Facing and Data Center Services supporting an Intelligence Community customer. All the personnel on the team will work together to support innovative design, engineering, procurement, implementation, operations, sustainment and disposal of user facing an

Systems Administrator Senior - TS/SCI required

General Dynamics

Fort Meade, Maryland, 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: Computing, IT Hardware, System Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology into opportunity as a Syste

Principal Systems Administrator

ManTech

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access withi

DevOps Engineer

Accenture LLP

Fort Washington, Maryland, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Systems Administrator - TS/SCI with Polygraph

General Dynamics

McLean, 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: Access Control (AC), Active Directory (AD), System Administration, User Account Management Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as

COMSEC/Network Engineer

Leidos

Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a COMSEC/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 vestin

Senior DevOps Engineer

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0221653 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

Principal Systems Administrator

ManTech

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issues Manage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and security Manage VIP user accounts, permissions, and security access

System Operations/Administrator (Multiple Levels)

Noblis

Chantilly, Virginia, USA

Full-time

Responsibilities Noblis ESI is seeking a System Operations/Administrator with a background in managing and maintaining desktop computing environments to work with our clients in supporting our customer Mission Integration Directorate (MID). Job Responsibilities Install, configure, and maintain desktop systems, laptops, and peripheral devices. Provide technical support and troubleshooting assistance to end-users for hardware, software, and network-related issues. Monitor system performance and

Linux Administrator

General Dynamics

Falls Church, Virginia, 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: Systems Administration Job Qualifications: Skills: DISA STIG, Network Architecture, Red Hat Ansible, Red Hat Enterprise Linux (RHEL), System Center Operations Manager (SCOM) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IM

Mid Level Linux Administrator

Jacobs

Maryland, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Mid Level Linux Administrator to join our team of passionate individuals in Hanover, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: Our contract supports more than 12 efforts with varying levels of hardware and software development requirements. O

Cloud and Systems Engineer

Leidos

Manassas, Virginia, USA

Full-time

Job DescriptionDescription This position is for a Cloud and Systems Engineer to join our team in Chantilly, VA. The team is comprised of highly technical and motivated individuals. The engineer for this role will assist in the operation, automation, and support of hybrid infrastructure environments across AWS, Azure, GCP, and on-premises systems. Working under the guidance of the Senior Cloud and Systems Engineer, this role supports cloud storage pipelines, system administration, VoIP infrastruc

Sr. Endpoint Engineer

Apex Systems

Arlington, Virginia, USA

Full-time

Job#: 2075593 Job Description: Our client is seeking an Sr. Endpoint Engineer. As an Sr. Endpoint Engineer, you will be part of a dynamic team of windows cloud engineers and security specialists with expert experience in Windows, Intune, Autopilot, Enterprise Patching, PKI/Certificates, Azure Active Directory, Virtualization, Cloud, and scripting experience. In this role, you will work across endpoint management and server operations teams driving automation through scripting and testing of new/

Deskside Technician

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506616 Location: WASHINGTON, DC, US Date Posted: 2025-07-02 Category: Wage Determination (SCA) Subcategory: Service Contract Act Schedule: Full-time Shift: Day Job Travel: Yes, 10 % 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 for a Deskside Support Technician to support the Department of Health and Human Services in Washington D.C. Please note there will be occasiona

Computer Network Defense Analyst 3

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is FOCUSED on you! 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 this new miss

Computer Network Defense Analyst 2

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is FOCUSED on you! 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 this new miss

G2 SharePoint Application Developer | 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: Web Development Job Qualifications: Skills: Application Development, ASP.NET, Web Development Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint Application Developer with GDIT. A career in enterprise IT means

Mid Software Engineer

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0220998 Software Engineer, Mid The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to serve as the lead to modernizing a client-critical mission system? You'll have the chance to contribute to transitioning mission data flows from legacy systems to a modernized data flow architecture, defining te chn ical and process improvements to achieve improved mission performance and compliance, and defining improved decision logi

Senior Linux Administrator

General Dynamics

Falls Church, Virginia, 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: Systems Administration Job Qualifications: Skills: Computer Servers, Disaster Recovery (DR), Linux, Software Updates, Technical Support Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT: Provide system administration su

Systems Administrator

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.This position is on site, Monday - Friday from 11am to 7pm, at a medical system testing facility in Chantilly VA. Responsibilities Support engineering solutions and provide hands-on customer support Engage face to face and virtual