321 - 340 of 753 Jobs

Principal Systems Engineer, Cyber for Edge Systems (R3683)

Shield AI Inc

San Diego, California, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

Senior Principal Software Architect (Onsite)

RTX Corporation

Richardson, Texas, USA

Full-time

Date Posted: 2025-07-21 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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 Are you looking to make a meaningful, positive impact while advancing your career? Here at Collins Aerospace, we're enhancing m

Cyber Range Event Systems Engineer

Scientific Research Corporation

Eglin Air Force Base, Florida, USA

Full-time

Description Supporting medium to large system deployments, including planning, designing, and evaluating software options, selecting operating systems and protocol suites, configuring media, and deriving requirementsDesigning, implementing, and troubleshooting elements of system networking, including routing and switching, and supporting special communicate methods such as VPNPerforming independent analysis, evaluation, and integration solutions to complex technical problems to meet management

Information System Security Officer (ISSO)

General Dynamics

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Information Systems Management Job Qualifications: Skills: Cybersecurity, Information System Security, NIST SP 800, Plan of Action and Milestones (POA&M), Security Evaluations Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Information Systems Security Officer (

Cyber Range Operations Engineer

Scientific Research Corporation

Eglin Air Force Base, Florida, USA

Full-time

Description Supporting daily operations of the NCRC-Eglin cyber range by coordinating and executing the setup, configuration, and sustainment of event systems and infrastructureLeading or assisting in configuring test environments, deploying virtual machines, managing network connections, and validating system readinessCollaborating with event stakeholders, participants, and the Government to ensure proper range setup, system access, and event timeline adherenceTroubleshooting and resolving sys

Unified Communications (UC) Engineer

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: Call Manager, Cisco Jabber, Collaboration, Unified Communications, Voice over IP (VoIP) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Unified Communications (UC) Engineer Candidates with proven depth creati

Specialist, Cyber Intelligence (ISSO)

Harris Corporation

Rochester, New York, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

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

Senior Systems Security Engineer (ONSITE)

RTX Corporation

Largo, Florida, USA

Full-time

Date Posted: 2025-06-12 Country: United States of America Location: FL410: Largo FL MFG 7887 Bryan Dairy Road , Largo, FL, 33777 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 Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelli

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

Cyber A&A Engineer

General Dynamics

Schriever, Louisiana, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature o

Linux System Administrator (Service Desk)

General Dynamics

Schriever, Louisiana, USA

Full-time

Basic Qualifications Education Requirements: Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 2 years of relevant experience; or Master's degree. Clearance Requirements: Department of Defense TS/SCI security clearance with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of w

Information Systems Security Engineer

Cornerstone Defense

Annapolis, Maryland, USA

Full-time

Location: Annapolis Junction Type: Contract Job #3709 Title: Information Systems Security Engineer Location: Annapolis Junction, MD Compensation Range: $195 -$215K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work

Senior Systems Engineer

Maxar Technologies Holdings Inc

Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar Intelligence is a provider of secure, precise, geospatial intelligence. We deliver disruptive value to government and commercial customers to help them monitor, understand and navigate our changing planet. Our unique approach combines decades of deep mission understanding and a proven commercial and defense foundation to deploy solutions and deliver insights with unrivaled speed, scale and cost effectiveness. We are hiring immediately for a Senior Auto

Help Desk Technician III

General Dynamics

San Antonio, Texas, 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: Help Desk Job Qualifications: Skills: Desktop Management, End User Support, Help Desk Operations, Information Technology (IT) Support Certifications: None Experience: 1 + years of related experience ship Required: Yes Job Description: GDIT is looking for Help Desk Technician who holds an active TS/SCI cle

Sr Linux Systems Administrator

RTX Corporation

McKinney, Texas, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

Senior Information Assurance Engineer

General Dynamics

Pittsburgh, Pennsylvania, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. CLEARANCE REQUIREMENTS: Department of Defense Top Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the natur

Sr Software Engineer

Scientific Research Corporation

Huntsville, Alabama, USA

Full-time

Description Developing software using modern C++ for development of Threat System products and solutionsResponsible for assisting with the design, development, testing, troubleshooting, and debugging of software programs and software-intensive systemsParticipating in the software project-level testing strategy and coordinate with the testing team to ensure new features are thoroughly testedAssisting with software reviews to ensure software meets desired quality standards, is free from bugs, and

Network Engineer - Active TS/SCI Clearance Required

Akima, LLC

Honolulu, Hawaii, USA

Full-time

ASE is looking for a Network Engineer to work in Honolulu, HI. To join our team of outstanding professionals, apply today! The Network Engineer is an important contributor to the Command and Control Support System (C2S2) networks, supporting the Department of Defense (DoD) networking architecture. This role is crucial for designing, implementing, maintaining, and troubleshooting a broad range of network technologies and monitoring tools across multiple enclaves with varying security classificat

Assistant Information Systems Security Officer (ISSO)

General Dynamics

Wainwright, 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