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386 security clearance jobs found

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DLH
Jun 18, 2026
PITCO Project Coordinator | Senior System Administrator (Job 1263)
DLH Norfolk, VA
About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools – including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. With over 2,400 employees dedicated to the idea that “Your Mission is Our Passion,” DLH brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview Are you a senior systems professional who thrives in high-tempo, mission-critical environments? Do you bring both deep technical expertise and the discipline required to drive complex...
General Dynamics Mission Systems, Inc
Jun 17, 2026
FPGA Engineer (New Hire Sign-On Bonus Available)
General Dynamics Mission Systems, Inc Bloomington, MN
Basic Qualifications Education Requirements: Bachelor's degree in Electrical or Computer Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months of relevant experience.   Clearance Requirements: Ability to obtain a 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 of work performed within our facilities, U.S. citizenship is required.     Responsibilities for this Position New Hires Eligible for Sign-On Bonus   Duties and Tasks: Responsible for definition, design, verification and documentation for ASIC (Application Specific Integrated Circuit) and/or FPGA (Field Programmable Gate Array) developments...
SAIC
Jun 17, 2026
Field Support Engineer
SAIC AL
Description SAIC is seeking a Field Support Engineer with ourIndicium Product Office to represent and operate Network, System Integration and Test Environment (NSITE) software in Huntsville, AL . Support typically involves Missile Defense Agency test execution activities (Flight Tests, Ground Tests and Wargames/Exercises). The candidate should also have the ability to perform hardware integration and maintenance, have a basic understanding of computer networking, and a general understanding of computer hardware troubleshooting. The candidate will also be responsible for conducting validating configuration management documentation in support of information assurance certification and accreditation activities. The candidate should be a self-starter and be able operate with minimal supervision. Duties and Responsibilities: Operate NSITE software based on event support requirements Support NSITE software field testing and reporting Coordinate and interact with...
General Dynamics Mission Systems, Inc
Jun 16, 2026
Advanced Network Design Engineer
General Dynamics Mission Systems, Inc Colorado Springs, CO
Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.   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 of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position * Multiple roles and levels available *   Help make the technologies, products and services that make a difference. That’s the opportunity that’s waiting for you at General Dynamics Mission Systems. We help our nation’s heroes keep our nation safe by creating solutions so advanced, they redefine innovation for the world. It’s an amazing challenge. And it’s...
General Dynamics Mission Systems, Inc
Jun 16, 2026
Senior Systems and Test Integration Engineer- Hardware DevOps Environment
General Dynamics Mission Systems, Inc Scottsdale, AZ
Basic Qualifications Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is preferred at time of hire. Candidates must be able to obtain a TS/SCI clearance within a reasonable amount of time from date 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 work performed within our facilities, U.S. citizenship is required.   Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As an Systems Test Integration-HDE/Hardware DevOps Environment Engineer, for the GDMS Spacecraft team, you'll be a key element of the integration and test team...
General Dynamics Mission Systems, Inc
Jun 16, 2026
FPGA Engineer
General Dynamics Mission Systems, Inc Bloomington, MN
Basic Qualifications Bachelor’s degree in Electrical or Computer Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree and 3 years of job-related experience.   CLEARANCE REQUIREMENTS: Ability to obtain a 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 of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position General Dynamics Mission Systems has an immediate opening for an Advanced FPGA Engineer located in our Bloomington, MN location.   Duties and Tasks: Responsible for definition, design, verification and documentation for Advance FPGA (Field Programmable Gate...
General Dynamics Mission Systems, Inc
Jun 15, 2026
Senior Electrical Engineer - Hybrid
General Dynamics Mission Systems, Inc Middletown, RI
Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, Technology 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 obtainable within a reasonable amount of time after 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 work performed within our facilities, U.S. citizenship is required. T his position is Hybrid/Flex with a minimum of 3 days per week on-site. Responsibilities for this Position As an Advanced Electrical Engineer, you will be a key member of a cross-functional team responsible for the full lifecycle of complex hardware systems, from initial concepts through...
General Dynamics Mission Systems, Inc
Jun 15, 2026
Shipyard Installation and Test Engineer
General Dynamics Mission Systems, Inc Groton, CT
Basic Qualifications Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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 work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES:   As a Shipyard Installation and Test Engineer for GDMS Field Engineering, you’ll be a member of a cross functional team responsible for supporting the construction and integration of the COLUMBIA Class ballistic missile submarines. This position is...
SAIC
Jun 15, 2026
Senior Specialty Engineer
SAIC AL
Description SAIC is seeking an experienced RF Systems Engineer to lead the radio frequency and telemetry integration for a tech-refreshed man-portable or towed mobile system designed to perform pre-flight checks and verify telemetry data for DoD platforms (including the MQ-9) located in Huntsville, AL . The successful candidate will be responsible for designing the RF interconnects, integrating telemetry receivers and encryption devices, and ensuring the system successfully receives, decodes, displays, and stores weapons telemetry streams. The RF Systems Engineer will be responsible for but not limited to the following: Design and integrate the RF architecture required to capture and decode PCM data/weapons telemetry streams without decoding the entire line-of-sight data link Integrate essential system components, (i.e., Quasonix TM receivers and Government Furnished Equipment (GFE) such as TACLANE encryptors) Select and integrate antenna solutions optimized...
Lockheed Martin
Jun 13, 2026
Circuit Design Engineer III, Avionics
Lockheed Martin Sunnyvale, CA
Description: Join Our Team as an Avionics Circuit Design Engineer where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Sunnyvale CA and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through...
Lockheed Martin
Jun 13, 2026
Electro-Optical Engineer - Senior Staff
Lockheed Martin Littleton, CO
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is seeking a Senior Staff Electro-Optical Engineer to join the...
Lockheed Martin
Jun 13, 2026
Electro-Optical Engineer - Staff
Lockheed Martin Littleton, CO
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin Space is seeking a Staff Electro-Optical Engineer to join the...
Lockheed Martin
Jun 13, 2026
Electronics Engineer II, GNC Hardware Development
Lockheed Martin Sunnyvale, CA
Description: Lockheed Martin Space is seeking a full-time Early Career Electronics Engineer where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; the selected candidate will be located near our Lockheed Martin Space facility in Sunnyvale CA and will be working a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions,...
Lockheed Martin
Jun 12, 2026
Electromagnetic Environmental Effects (E3) Engineer Senior
Lockheed Martin Marietta, GA
Description: You will be the Electromagnetic Environmental Effects (E3) Engineer Senior for the Aeronautics team which is responsible for advancing cutting‑edge aircraft technologies. What You Will Be Doing As the Electromagnetic Environmental Effects (E3) Engineer Senior you will be responsible for leading requirements development, tracking, and verification testing of systems, and overseeing electromagnetic compatibility testing of developmental and deployable systems on flight‑test fighter platforms. Your responsibilities will include: Lead requirements development, tracking, and verification testing for system‑level projects. Conduct platform‑level Electromagnetic Compatibility (EMC) testing and develop test procedures for flight‑test modifications. Perform RF and antenna analysis, including COSITE assessments, antenna radome performance, and RF/fiber‑optic cabling evaluations. Oversee electromagnetic radiation hazard (EMRADHAZ) assessments and...
Lockheed Martin
Jun 12, 2026
Electromagnetic Environmental Effects (E3) Engineer- Level 2
Lockheed Martin Marietta, GA
Description: You will be the Electromagnetic Environmental Effects (E3) Engineer for the Aeronautics team which is responsible for advancing cutting‑edge aircraft technologies. What You Will Be Doing As the Electromagnetic Environmental Effects (E3) Engineer you will be responsible for leading requirements development, tracking, and verification testing of systems, and overseeing electromagnetic compatibility (EMC) testing of developmental and deployable payloads on flight‑test fighter platforms. Your responsibilities will include: Lead requirements development, tracking, and verification testing for system‑level projects. Conduct platform‑level EMC testing and create test procedures for flight‑test modifications. Perform RF and antenna analysis, including COSITE assessments, antenna‑radome performance, and RF/fiber‑optic cabling evaluations. Assess electromagnetic radiation hazards (EMRADHAZ) and ensure compliance with aircraft power and wiring...
Lockheed Martin
Jun 12, 2026
Electromagnetic Environmental Effects (E3) Engineer Staff, Level 4
Lockheed Martin Marietta, GA
Description: You will be the Electromagnetic Environmental Effects (E3) Engineer Staff, Level 4 for the Aeronautics team which is responsible for advancing cutting‑edge air‑mobility capabilities. What You Will Be Doing As the Electromagnetic Environmental Effects (E3) Engineer Staff, Level 4 you will be responsible for leading requirements development, tracking, and verification testing of systems, as well as driving integration of developmental and deployable payloads onto air mobility platforms. Your responsibilities will include: Lead requirements development, tracking, and verification testing for system‑level projects. Conduct Electromagnetic Compatibility (EMC) testing and design flight‑test modification procedures. Perform RF/COSITE analysis, antenna‑radome performance assessments, and RF/fiber‑optic cabling evaluations. Lead key working groups and system/payload trade studies to inform design decisions. Coordinate domestic travel for...
Lockheed Martin
Jun 12, 2026
Ground System Engineer ADP - Level 3
Lockheed Martin MD
Description: We are Lockheed Martin At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have the opportunities for a technical career been so limitless. Lockheed Martin Aeronautics Company, home of the world-renowned Skunk Works®, turns visionary aircraft into reality and is known for building the finest military aircraft in the world. This recognition is continually earned through our commitment to relentless research and development of high-performance aircraft, continuously seeking innovative, low-cost design and manufacturing strategies, and delivering operational readiness for our customers' missions to ensure continued relevancy for the life cycle of our products. The Skunk Works (Lockheed Martin Advanced Development Program) is looking for world class talent in SYSTEMS FIELD ENGINEERING to be a part...
Lockheed Martin
Jun 12, 2026
Software Engineer Staff
Lockheed Martin Orlando, FL
Description: What We're Doing At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach - and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. The Work Lockheed Martin Rotary and Missing Systems has an opportunity in Orlando for a mid-career Software Engineer supporting the Automatic Test Equipment (ATE) programs. An ATE Software Engineer is responsible for developing, updating, and integrating software applications on ATE hardware. ATE Software Engineers also support test program development and integration. As a key member of our Software Engineering team, you will: • Contribute to the creation of design solutions for complex engineering problems in the software cycle. •...
Lockheed Martin
Jun 12, 2026
RF Engineering Manager - Chelmsford, MA
Lockheed Martin Chelmsford, MA
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. We're seeking an experienced RF Engineer to join our team as an RF Engineering Manager. In this role, you'll drive the production of complex multi-function modules used in high-reliability applications, leading and collaborating with cross-functional engineering teams to deliver innovative solutions. Our team is composed of industry-leading RF design experts, and we offer a unique work environment that combines cutting-edge design with hands-on electronics laboratory testing and product development. As an RF manager, you'll have the opportunity to make a...
Lockheed Martin
Jun 12, 2026
FPGA Design Engineer Staff
Lockheed Martin Orlando, FL
Description: You will be the FPGA Design Engineer for the Missile & Fire Control (MFC) team at Lockheed Martin. Our team delivers advanced FPGA solutions that enable current and next generation defense systems, providing the high performance computing and signal processing capabilities required for mission critical platforms. What You Will Be Doing As the FPGA Design Engineer you will develop FPGA architectures from specification through implementation, conduct trade studies to optimize device utilization, power and thermal performance, and work closely with software, hardware and systems engineers to define requirements and ensure compliance with the Design Assurance process. Your responsibilities will include: • Translating system specifications into detailed FPGA designs, creating RTL, constraints and HDL code (VHDL/Verilog). • Performing synthesis, place and route, timing analysis and power budget assessments to meet performance, power and thermal budgets. •...
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