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Windows Systems Administrator

SAIC

Adelphi, Maryland, USA

Full-time

Job ID: 2507346 Location: ADELPHI, MD, US Date Posted: 2025-07-08 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a proven Windows Systems Administrator to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Enterpris

Firewall Administrator (Palo Alto)

Harmonia Holdings Group, LLC.

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. We are seeking an experienced Firewall Administrator with strong Palo Alto skills to join our team. The ideal candidate will manage and administer firewall solutions within a highly secure SCIF environment

Systems Administrator

General Dynamics Information Technology

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: Microsoft Windows, Network Administration, System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator with GDIT. A

PeopleSoft Administrator

M9 Solutions

Washington, District of Columbia, USA

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy

Senior Systems Administrator, Classified IT

Aduril Industries

Washington, District of Columbia, 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

Network Administrator

TEKsystems c/o Allegis Group

Fort Belvoir, Virginia, USA

Full-time

Description The client is seeking an Network Administrator in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations The Network Ad

Systems Administrator

Aerospace Corporation

Chantilly, Virginia, USA

Full-time

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Senior System Administrator

Booz Allen Hamilton

Washington, District of Columbia, USA

Full-time

Job Number: R0221564 System Administrator, Senior The Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the Department of Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in working within classified environments supporting agencies with a solid background in windows operating systems to help us build and deploy

Systems Administrator - SME

Realm One

Tysons, Virginia, USA

Full-time

We're searching for talented individuals who provide systems administration support services for a sophisticated enterprise computing infrastructure. 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! Job Description: We are looking for a Systems Administrator - SME to join our technology-based program supporting a key g

IT Networking and HW Administrator

Leidos

Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area

Senior Azure DevOps Administrator

Evolver Federal

Washington, District of Columbia, USA

Full-time

Evolver is seeking a Senior Azure DevOps administrator with experience in .NET application development to support the work and projects of our client in Washington D.C. MUST be able to obtain Public Trust Clearance and Background Clearance. The role's primary function will be to work with the software development team to support existing software applications written in .Net using SQL Server and Oracle databases in the backend. A big part of the job responsibilities includes administration of A

Senior Systems Administrator

Booz Allen Hamilton

Washington, District of Columbia, USA

Full-time

Job Number: R0221565 Systems Administrator, Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes in networking and working within classified environments supporting agencies with a solid background in windows operating systems to help u

Windows Server Administrator

Booz Allen Hamilton

Chantilly, Virginia, USA

Full-time

Job Number: R0210990 Windows Server Administrator The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big picture thi nk ing to make an impact in Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into te chn ical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System

Service Desk System Administrator

General Dynamics

Newington, 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 Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Technical Training, Troubleshooting Hardware Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description: Seize your opportunity to make a personal impact as a Service Desk System Adm

VMware Systems Administrator

SAIC

Washington, District of Columbia, USA

Full-time

Job ID: 2506948 Location: WASHINGTON, DC, US Date Posted: 2025-07-08 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

Systems Administrator II

Robert Half

Washington, District of Columbia, USA

Contract

Description We are looking for an experienced Systems Administrator II to join our team in Washington, District of Columbia. In this long-term contract position, you will play a key role in maintaining and optimizing system infrastructures, ensuring they meet organizational needs and industry standards. This is an excellent opportunity for someone who thrives in a collaborative environment and enjoys solving technical challenges with innovative solutions. Key Responsibilities: Administer and ma

Systems Administrator II

Robert Half

Washington, District of Columbia, USA

Contract

Description We are looking for a skilled Systems Administrator II to join our team on a contract basis in Washington, District of Columbia. In this role, you will be responsible for ensuring the seamless operation, configuration, and maintenance of both physical and virtual systems. This position requires a proactive approach to troubleshooting, optimizing system performance, and implementing critical updates to maintain system integrity and reliability. Responsibilities: Install, configure, an

Systems Administrator IV

Robert Half

Washington, District of Columbia, USA

Contract

Description We are looking for an experienced Systems Administrator IV to join our team in Washington, District of Columbia. In this long-term contract position, you will manage and optimize complex IT systems and infrastructures, ensuring their efficient operation and compliance with industry standards. This role offers an exciting opportunity to apply advanced technical knowledge to solve challenging issues and contribute to the success of large-scale projects. Responsibilities: Oversee the i

SharePoint Administrator/Developer

Zolon Tech Solutions Inc

Frederick, Maryland, USA

Contract

Title: SharePoint Administrator/Developer Location: Fort Detrick, MD Duration: Direct Hire Active Secret Security Clearance Required Job Description: 100% OnsiteTo acquire this advantage, Zolon Tech seeks a detail-oriented, thorough, and organized SharePoint Administrator/Developer to join our team.In this position, you will provide technical assistance and support to clients with computer systems, hardware, or software issues.You will also respond to queries, run diagnostic programs, isolate pr

Mid Linux System Administrator

Booz Allen Hamilton

Washington, District of Columbia, USA

Full-time

Job Number: R0221402 Linux System Administrator, Mid Key Role: Provide hands-on experience managing Linux-based IT components. Provide network and systems administration support for all cybersecurity systems in the Enterprise. Provide systems administration and engineering support for non-Windows operating systems such as Linux-based systems, including Redhat Enterprise Linux (RHEL). Support the networking administration focused on enterprise infrastructure systems such as Cisco and Cisco ISE,