261 - 280 of 745 Jobs

Senior System Administrator

Booz Allen Hamilton

Fort Belvoir, Virginia, USA

Full-time

Job Number: R0222806 System 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 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 tech

System Administrator

General Dynamics Information Technology

Anchorage, Alaska, 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: Certifications: None Experience: ship Required: Yes Job Description: Systems Administrator Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll

Senior. Platform Engineer - Linux (FEP) Onsite

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-21 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Junior Systems Engineer

TEKsystems c/o Allegis Group

Fort Walton Beach, Florida, USA

Full-time

Top Skills' Details VMware platforms (vSphere, vCenter, or Horizon) Experience writing or running PowerShell, Linux shell, or Python scripts Windows Server and Linux-based systems (Ubuntu, CentOS, or RHEL) Active Directory, DNS, and basic networking concepts Must have an active Security Clearance and CompTIA Security+ Description TEKsystems is seeking a highly motivated Junior Systems Engineer with foundational experience in systems administration, virtualization, and automation tools. The engin

IT Specialist (SYSADMIN/INFOSEC)

Defense Logistics Agency

Battle Creek, Michigan, USA

Full-time

Summary Position will be filled at any of the locations listed below. Site specific salary information as follows: Battle Creek, MI: $88,621 - $115,213Columbus, OH: $92,475 - $120,222Dayton, OH: $91,922- $119,504Fort Belvoir, VA: $101,401- $131,826New Cumberland, PA: $101,401- $131,826Ogden, UT: $88,621 - $115,213Philadelphia, PA: $97,653- $126,955Richmond, VA: $92,573- $120,350 Duties Help Serves as an Information Technology (IT) expert with advanced knowledge in administering and supportin

Linux System Administrator (Onsite) (DoD Secret Clearance)

RTX Corporation

St. Petersburg, Florida, USA

Full-time

Date Posted: 2025-07-10 Country: United States of America Location: FL915: St. Petersburg - Bldg D 7401 22nd Ave N. Building D, St. Petersburg, FL, 33710 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret We have an immediate career growth opportunity with our Information Workplace Services team for a talented Li

Classified Systems Administrator

Aerospace Corporation

Huntsville, Alabama, 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,

NCIS Cyber Systems Administrator - SecOps | Active TS/SCI clearance

General Dynamics Information Technology

Quantico, Virginia, USA

Full-time

Type of Requisition: Pipeline 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: DISA STIG, IT Security Operations, Security Content Automation Protocol (SCAP), System Administration Certifications: Security+ CE - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportun

Senior Software Engineer Architect

SAIC

San Diego, California, USA

Full-time

Job ID: 2508371 Location: SAN DIEGO, CA, US Date Posted: 2025-08-06 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a TS/SCI cleared Senior Software Engineer / Architect in San Diego, CA that will be responsible for providing high quality software engineering advisory

SECURITY ANALYST (INFOSEC - LEVEL IV)

Navy Exchange Service Command

Virginia Beach, Virginia, USA

Full-time

Serve as a Senior Information Security Analyst Alternate ISSM with responsibility of developing maintaining and supporting NEXCOMs Information Assurance program and associated security controls within the NEXCOM Enterprise environment. Perform security assessments and associated reports. Maintain the NEXCOM IAVM program. Maintain compliance with current DoD DON cybersecurity policy. Processes and reviews of System Security Reviews SSR. Maintain DIACAPRMF accreditations for existing and future NE

F-35 Network Engineer | Active Secret clearance

General Dynamics

Arlington, 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: Network Engineering Job Qualifications: Skills: Cisco Technologies, LAN WAN, Microsoft Azure, Network Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Network Engineer with GDIT. A career in enterprise IT mean

System Administrator

General Dynamics

Anchorage, Alaska, 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: Certifications: None Experience: ship Required: Yes Job Description: Systems Administrator Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll

System 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: Certifications: None Experience: ship Required: Yes Job Description: Systems Administrator Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll

F-35 Network Engineer | Active Secret clearance

General Dynamics Information Technology

Arlington, 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: Network Engineering Job Qualifications: Skills: Cisco Technologies, LAN WAN, Microsoft Azure, Network Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Senior Network Engineer with GDIT. A career in enterprise IT mea

Jr Systems Engineer

TEKsystems c/o Allegis Group

Fort Walton Beach, Florida, USA

Full-time

Description TEKsystems is seeking a highly motivated Jr Systems Engineer with foundational experience in systems administration, virtualization, and automation tools. The engineer will assist in supporting and deploying infrastructure solutions across classified environments, including Windows and Linux systems, virtual machines, and enterprise applications. This entry-level role offers the opportunity to work alongside experienced engineers and contribute to secure, resilient architectures used

Junior Systems Engineer (Active Secret Clearance)

TEKsystems c/o Allegis Group

Fort Walton Beach, Florida, USA

Full-time

Description TEKsystems is seeking a highly motivated Junior Systems Engineer with foundational experience in systems administration, virtualization, and automation tools. The engineer will assist in supporting and deploying infrastructure solutions across classified environments, including Windows and Linux systems, virtual machines, and enterprise applications. This role offers the opportunity to work alongside experienced engineers and contribute to secure, resilient architectures used by rese

Windows Server Administrator

Booz Allen Hamilton

Maryland, USA

Full-time

Job Number: R0222982 Windows Server Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at 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 technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Adm

LINUX Sr Principal Systems Engineer - Active Top Secret Required

General Dynamics

Washington, District of Columbia, 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 Engineering Job Qualifications: Skills: Computer Engineering, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Li

Systems Engineer

SAIC

Eglin Air Force Base, Florida, USA

Full-time

Job ID: 2508085 Location: EGLIN AFB, FL, US Date Posted: 2025-07-31 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC is seeking a highly motivated Junior Systems Engineer with foundational experience in systems administration, virtualization, and automation tools. The engine

Unix Engineer

Cornerstone Defense

Colorado Springs, Colorado, USA

Full-time

Location: Colorado Springs , Colorado Type: Contract Job #3741 Job Title: Unix Engineer Job Location: Peterson Space Force Base, Colorado Springs, CO Clearance: Secret Schedule: 9/80 Onsite Salary: $125K - 155K Certification Requirement: Must hold a DoD 8570 IAT Level II certification (e.g., Security+, CASP, CAP, CISSP) prior to start Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing ea