241 - 260 of 742 Jobs

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

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 mean

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

Network Operations Center Analyst - 2nd Shift

Leidos

Arlington, Virginia, USA

Full-time

The Digital Modernization sector within Leidos is seeking a Network Operations Center (NOC) Analyst to support the operational environment for the Compartmented Enterprise Services Office (CESO) NOC. With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence communities. As part of thi

Microsoft Exchange Systems Administrator - Belgium - 3 Month TDY Assignment

General Dynamics

No location provided

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Hardware Maintenance, System Administration, Systems Support Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT has an exciting opportunity to support NATO Allied SOFCOM for a TDY 3 month assignment in Mons, B

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

On-Premise Azure DevOps Administrator

General Dynamics

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Application Development, DevOps, Microsoft Azure, Software Development Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: A DSMS On-Premise Azure DevOps Administrator, supporting the Application Development Team, is resp

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

Subk-C Middleware Administrator

IBM

Herndon, Virginia, USA

Full-time

Introduction A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software an

Information Systems Security Officer (ISSO) (1 - 3 Years' Experience)

General Dynamics

Sterling Heights, Michigan, USA

Full-time

Job Description About the Position: Do you want to learn and grow in a great company? Do you want to join a team that protects a critical network of the best defense contractor in the country? GDLS is looking to hire an early career-level Information Systems Security Officer, the perfect place to challenge your Information Technology skills. Company Information: General Dynamics is a successful Fortune 100, global aerospace and defense company, with over 90,000 employees world-wide. General Dyn

Network Architect

World Wide Technology

No location provided

Full-time

Bachelor's degree and minimum 8 years of experience in Networking and ATO Accreditation Must have Active DoD Secret clearance or higher 8140 and Security + Certification Familiarity with U.S. DoD & U.S. Air Force procedures and the Air Force Information Network (AFIN). Hands-on experience in network engineering and firewall management Experience with DoD cloud environments (e.g., Impact Level 4/5 systems). Familiarity with additional compliance tools (e.g., Nessus, ACAS). Minimum of 8 or more y

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 Eng - IT, Staff /Storage & VTC Solutions / Secret / Onsite: CO

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description This position is within Lockheed Martin Enterprise Business and Digital Transformation (EBDT) Classified IT Transformation organization. It is chartered with transforming IT is delivery to Classified programs and environments. If you're looking for your next challenge in a fast paced, innovation-oriented group, look no further! Lockheed Martin recognizes the tremendous opportunity for significant advancement in the way Classified IT services are delivered to our Business Area p

Assistant Information Systems Security Officer (ISSO)

General Dynamics Information Technology

Fairbanks, Alaska, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Analysis Job Qualifications: Skills: Documentations, Operating Systems (OS), System Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is looking for an Assistant Information Systems Security Officer (ISSO

System Administrator

General Dynamics Information Technology

Eielson Air Force Base, 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: Computer Backups, IT Policies, System Security Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: Systems Administrator Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise I

Windows System Administrator (Onsite) (DoD Secret Clearance)

RTX Corporation

Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-07-07 Country: United States of America Location: RIA32: Cedar Rapids, IA 400 Collins Road NE , Cedar Rapids, IA, 52498-0505 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 Windows Syste

Senior Information System Security Engineer

Booz Allen Hamilton

Lexington, Massachusetts, USA

Full-time

Job Number: R0222757 Information System Security Engineer, Senior Key Role: Maintain responsibility for all Information Systems Security Engineer ( ISSE ) duties in support of Department of Defense ( DoD ) Risk Management Framework ( RMF ) and Intelligence Community Directive ( ICD ) 503. Leverage knowledge of National Institute of Standards and Technology ( NIST ) Spe cia l Publication 800-53 security controls and the Committee on National Security Systems Instruction 1253. Apply systems secur