GNC Performance Engineer - Dallas, TX
Job 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. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. Lockheed Martin is seeking an emerging authority Guidance, Navigation and Control Engineer with an active Secret c…
GNC Senior Performance Engineer - Dallas, TX
Job 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. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. Lockheed Martin is seeking an emerging authority Guidance, Navigation and Control Engineer with an active Secret c…
Radar SME with Security Clearance
Title: Radar SME KBR is looking for a Radar SME to join our team in Chantilly, Virginia. In this role, you will push the boundaries of Synthetic Aperture Radar and Moving Target Indication processing techniques. Responsibilities: * Primarily, candidate conducts research SAR and MTI processing and algorithm development * Candidate provides technical analyses and support in developing and applying advanced methods, theories and research techniques on R&D through operational support projects. * Pr…
Mechanical/Aerospace Engineer with Security Clearance
Responsibilities Experienced with frequent use and application of technical standards, principles and theories. Understand concepts and principles of FEA analysis. Understand the concepts between linear FEM analysis and non-linear transient dynamic analysis. Works under general supervision, providing solutions to technical problems of moderate scope/complexity. * Determines theoretical principles involved and applying advanced analytical and investigative methods and techniques. Build CAD model…
Computational Electromagnetics (CEM) Research Scientist & Softwa with Security Clearance
Overview COMPUTATIONAL ELECTROMAGNECTICS RESEARCH SCIENTIST & PROGRAMMER (HITS-R): Bowhead seeks highly skilled and motivated Computational Electromagnetics (CEM) Research Scientist and Programmer to join our advanced modeling and simulation team to support the High Performance Computing Modernization Program (HPCMP) Integrated Technical Services -Restricted (HITS-R) contract headquartered in San Diego, CA. The ideal candidate will contribute to the development of cutting-edge CEM algorithms an…
Mission Effectiveness / Operations Analysis Engineer with Security Clearance
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight acros…
Principal Software Engineer
Job ID: 2613767 Location: Colorado Springs, CO, US Date Posted: 2026-06-16 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC seeks a highly experienced and energetic Principal Software Engineer to support the US Space Force, Space Systems Command, in performing operational maintenance and sustainment of …
Early Career, Computer Science - Software Simulation and Analysis, Onsite
About Sandia: Sandia National Laboratories is the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs: Challenging work with amazing impact that contributes to security, peace, and freedom worldwide Extraordinary co-workers Some of the best tools, equipment, and research facilities in the world Career advancement and enrichment…
Guidance, Navigation & Control Engineer II - Secret clearance
Job Description 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'r…
Guidance, Navigation & Control Engineer III - Secret clearance
Job Description 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'r…
Imagery Scientist/Engineer (ES4) with Security Clearance
Epsilon C5I (www.epsilonsystems.com/c5i), a division of Epsilon Systems Solutions, is a 100 percent employee-owned company founded in 1998 with more than 20 locations serving the Department of Defense, Department of Energy, Department of Homeland Security, non-profit and commercial customers. Epsilon C5I is seeking an imagery scientist/engineer with at least 7 years of experience in electro-optics or photonics hardware engineering, software development, algorithm development, and analysis. The …
Principal Engineer/Scientist (PES) with Security Clearance
Epsilon C5I (www.epsilonsystems.com/c5i), a division of Epsilon Systems Solutions, is a 100 percent employee-owned company founded in 1998 with more than 20 locations serving the Department of Defense, Department of Energy, Department of Homeland Security, non-profit and commercial customers. Epsilon C5I is seeking a Principal Engineer or scientist with at least 7 years of experience in electro-optics or photonics hardware engineering, software development, algorithm development, and analysis. …
Senior Aerospace Engineer - Flight Mechanics with Security Clearance
Responsibilities Do you want to be part of a proven team working on the next generation of space launch vehicles providing access to space? If yes, then this is an excellent opportunity to utilize your strong mathematical and programming skills to perform launch vehicle Flight Mechanics analysis in support of National Security Space (NSS) missions for the U.S. Government. Join a team of highly skilled Flight Mechanics analysts (rocket scientists!) performing Independent Validation and Verificat…
Modeling and Simulation AFSIM Specialist with Security Clearance
MANTECH seeks a motivated, career and customer-oriented Modeling & Simulation Advanced Framework for Simulation, Integration, and Modeling (AFSIM) Specialist to join our team in Arlington, VA. This is a full-time, onsite position at Secretary of the Air Force, Studies and Analysis (SAF/SA) at the Pentagon. The qualified candidate augments and assists the military and civilian staff in performing Modeling & Simulation and Analysis functions using AFSIM to support senior Air Force decision makers…
Java/C++ Developer with Security Clearance
Java/C++ Developer Razor is looking for a Java/C++ Developer focused on developing mission-critical applications supporting Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense initiatives. The role emphasizes software development, containerized environments, systems integration, product testing, and deployment while supporting advanced capabilities in data integration, analytics, visualization, and decision support for national defense missions. Education & Certification …
Java/C++ Developer with Security Clearance
Razor is looking for aJava/C++ Developerfocused on developing mission-critical applications supporting Integrated Tactical Warning/Attack Assessment (ITW/AA) and Missile Defense initiatives. The role emphasizes software development, containerized environments, systems integration, product testing, and deployment while supporting advanced capabilities in data integration, analytics, visualization, and decision support for national defense missions. Education & Certification Requirements: Bachelo…
HLS Navigation Aerospace Engineer
The HLS Navigation Aerospace Engineer models the navigation systems of the Human Lander System (HLS) for NASA's HLS program. From sensor fusion and sensor model development to descent dynamics and visualization, this position will require a well-rounded background of navigation skills, experience with computer programming, and the desire to perform high fidelity analyses to ensure successful navigation and landing of the HLS systems. Description The Amentum Space Exploration Division (ASED) Gui…
Software Engineer - HPC Linux (TS/SCI Clearance Required)
This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. North Point Technology is hiring a hands-on HPC Linux Software Engineer to support mission-critical R&D efforts in a high performance computing environment. This role is ideal for an engineer who can work directly with users, solve complex modeling and simulation challenges, and help strengthen HPC software workflows in a fast-paced on-site lab setting. R…
Systems Engineer (Modeling/Simulation) with Security Clearance
Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter . Come work with the best! We offer opportunity, unique challenges, and clear-sighted commitment to…
Mid Computer Programmer with Security Clearance
Prescient Edge is seeking a Mid-Level Computer Programmer to support a Federal Government client. Benefits & Compensation: At Prescient Edge, we believe that acting with integrity and serving our employees is the key to everyone's success. To that end, we provide employees with a best-in-class benefits package that includes: * A competitive salary with performance bonus opportunities. * Comprehensive healthcare benefits, including medical, vision, dental, and orthodontia coverage. * A substanti…