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318 senior software engineer level 3 jobs found

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United States Onsite senior software engineer level 3
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Full time  (5)
Lockheed Martin
Jul 09, 2026
Senior Software Engineer - Level 3
Lockheed Martin Fort Worth, TX
Description: You will be the Senior Software Engineer - Level 3 for the Vehicle Management Software Team which is responsible for developing modular and reusable software for aircraft subsystems. What You Will Be Doing As the Senior Software Engineer - Level 3 you will be responsible for advancing software that enables aircraft to fly, working across embedded avionics, ground station development, and mission systems. "Your responsibilities will include:" Full software lifecycle development spanning avionics services, ground station development, and mission system technologies. Support ground station development for manned and unmanned systems. Develop simulations to aid software development and testing. Interface with software and systems engineers to define requirements for rapid prototypes. Participate in integration and test events. What’s In It For You We are committed to supporting your work-life balance and overall well‑being,...
Lockheed Martin
Jul 02, 2026
Senior Software Engineer - Level 3 (TS/SCI with Poly)
Lockheed Martin King of Prussia, PA
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 We're seeking a talented and motivated Senior Software Engineer to join our fast-paced...
Lockheed Martin
Jun 02, 2026
Senior Software Engineer - Level 3 (TS/SCI with Poly)
Lockheed Martin King of Prussia, PA
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 We're seeking a talented and motivated Senior Software Engineer to join our fast-paced...
Lockheed Martin
Jun 02, 2026
Senior Software Engineer, Level 3
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. Space Protection Programs is seeking an experienced Software Engineer who can guide a...
Lockheed Martin
Jun 02, 2026
Senior Software Engineer, Level 3 - Clearance Required
Lockheed Martin Houston, TX
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 full time Software Engineer. In this role, you will...
Lockheed Martin
May 27, 2026
Senior Software Engineer, Level 3
Lockheed Martin Houston, TX
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 full time Software Engineer. In this role, you will...
Lockheed Martin
May 27, 2026
Senior Software Engineer, Level 3
Lockheed Martin Houston, TX
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 full time Software Engineer. In this role, you will...
Lockheed Martin
May 01, 2026
Senior Software Engineer, Level 3 - Embedded - Clearance Required
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. Space Protection Programs is seeking an experienced Software Engineer who can guide a...
Lockheed Martin
Apr 28, 2026
Senior Software Engineer, Level 3 - Clearance Required
Lockheed Martin Houston, TX
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 full time Software Engineer. In this role, you will...
Lockheed Martin
Jul 02, 2026
Senior Software Systems Engineer - Level 3
Lockheed Martin King of Prussia, PA
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 re-imagining 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. The Software Systems Engineer will use Model-Based Systems Engineering (MBSE)...
Lockheed Martin
Jun 19, 2026
Software Engineer Senior - Level 3
Lockheed Martin Fort Worth, TX
Description: Who We Are This exciting position is with the Skunk Works Mission Systems and Software team located in Fort Worth, TX. This position is for an experienced Software Engineer to use and apply technical standards, principles, theories, concepts, and techniques in the software field to develop solutions to complex problems within Advanced Development Programs (ADP). Come Join Us! (Video) The Skunk Works (Lockheed Martin Advanced Development Program) is looking for world class talent in Software Development and Testing to be a part of a team that will carry on our 75+ year tradition making history in advanced aircraft development. This position is on the C4ISR team within Ground Systems Applications organization under Ground Systems. This position requires a software engineer to use a wide application of technical principles, theories, and concepts in the software field to develop, integrate, and test software products for Advanced Development Programs. Who You...
Lockheed Martin
Jun 12, 2026
Senior Software Engineer (Avionics Test Stands), - Level 3
Lockheed Martin Clearfield, UT
Description: Join our Lockheed Martin Aeronautics Field Sustainment (AFS) team as a Software Engineer at our Hill Air Force Base Utah site. Our team is responsible for assisting the Ogden Air Logistics Center (ALC) with the software development and maintenance for F-16 Operational Flight Program (OFP) Common Modular Environment (COMET) avionics Integrated Test Stands (ITS) and OFP testing software tools in the Avionics Integration Support Facility (AISF). What You Will Be Doing • The selected candidate will design, develop, document, test, debug, and maintain software used to test OFPs on ITS and in a virtual environment. • Must have at least an Interim Secret Security Clearance. • Must be able to obtain a Final Secret Security Clearance. • Must be a US Citizen. Who You Are As an effective communicator, you excel in conveying complex information clearly and concisely, ensuring that all stakeholders understand key concepts and objectives. You thrive in...
Lockheed Martin
Jun 10, 2026
Software Quality Engineer Senior- Level 3
Lockheed Martin Fort Worth, TX
Description: In this position, you will be Responsible for implementing the Software Quality Engineering (SWQE) mission to ensure programs have and are compliant to documented processes which meet customer and company requirements and are capable of producing quality software products. The successful applicant will do this, with limited supervision, by performing process, product, supplier, special quality evaluations/audits, and test verification/validation oversight throughout the software development lifecycle as well as using quality sciences to identify, communicate and drive to resolution needed improvements to software development processes and activities. They will provide SWQE management with metrics, reports, schedules, Basis of Estimates (BOEs) for tasking and other support as necessary. SWQE will develop and deploy standard software quality procedures and quality engineering methods and instruments. They must be willing to travel, ability to work off-shift and...
Odyssey Systems Consulting Group
Jul 10, 2026
Full time
Software Engineer
Odyssey Systems Consulting Group Colorado Springs, CO
Position Summary Odyssey is recruiting for a Software Engineer to support the North American Aerospace Defense Command (NORAD) Cheyenne Mountain Complex-Integrated Tactical Warning/Attack Assessment (NCMC-ITW/AA) and CCIC2S Enterprise Networks within the Strategic Warning and Surveillance Systems Acquisition Delta.    Program: The  NCMC-ITW/AA effort sustains unique ITW/AA Cheyenne Mountain systems, networks, and associated components through an enterprise-wide set of integrated mission capabilities, support services, and data products that provide military authorities with an accurate, timely, unambiguous and continuous warning and attack assessment of air, missile and space threats.   The CCIC2S effort sustains the CCIC2S Enterprise and provides data communications between external sensors and end users, mission processing for air and missile warning, and system operations functions.  The CCIC2S enterprise provides a data communications...
Lockheed Martin
Jul 10, 2026
Senior Software Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Come join the CommandIQ® (CIQ) team – a product line established in 2025 with sizable investment and support from RMS senior leadership. We are developing mission critical Battle Management and Command & Control capabilities for a complete Command and Control mission suite. Our solution provides the open architecture as well as mission apps that can be customized to each user’s needs. Customers can also easily integrate their favorite tools into a single CommandIQ® Common Operating Picture (COP) to meet their own, specialized mission requirements. Join us and become a part of the team that is actively designing and developing the initial baseline which has already generated significant customer interest both domestically and internationally! Check out these links for more information about our exciting suite of products: https://www.lockheedmartin.com/en-us/products/command-and-control.html https://www.youtube.com/watch?v=mYu06sRV398 THE WORK...
Lockheed Martin
Jul 10, 2026
Sr. Staff Engineering Program Manager - Top Secret Clearance Required
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING The U-2S aircraft provides high-altitude, all-weather surveillance and reconnaissance, day or night, in direct support of U.S. and allied forces. It delivers critical imagery and signals intelligence to decision makers throughout all phases of conflict, including peacetime indications and warnings, low-intensity conflict, and large-scale hostilities. Lockheed Martin (LM) provides the engineering disciplines to continually improve the avionics and ISR systems employed on the U-2S. The Aero Palmdale, Aero Fort Worth and RMS Valley Forge sites are actively involved in supporting upgrades to the U-2 platform capabilities. WHO WE ARE The LM Valley Forge site Datalinks Team is currently supporting the following upgrades on the aircraft: • Integrating a Tactical Data Link (Link 16) on the U-2S and developing the Pilot Vehicle Interface (PVI) for Link 16 radio control and tactical situational awareness, Electronic Warfare (EW) situational...
Lockheed Martin
Jul 10, 2026
ADP Skunkworks Digital Transformation Integration Sr Staff - Level 5
Lockheed Martin Fort Worth, TX
Description: You will be the ADP Skunkworks Digital Transformation Integration Senior Staff - Level 5 for the ADP Skunkworks Digital Transformation Integration team who is responsible for advancing AI‑driven engineering automation across the defense acquisition lifecycle. What You Will Be Doing As the ADP Skunkworks Digital Transformation Integration Senior Staff - Level 5 you will be responsible for shaping the product vision, guiding technical execution, and serving as the central authority that connects engineers, program offices, industry partners, and research institutions. Your responsibilities will include: Define and own the product roadmap, translating sustainment and design engineer needs into a defensible software architecture. Govern the core data ontology and direct the AI‑powered software development effort. Lead research and development of machine‑learning, knowledge‑representation, and deep‑learning models that automate the creation of...
Lockheed Martin
Jul 10, 2026
Senior Quality Engineer (Interview Day) - Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Senior Quality Engineer for the Missiles & Fire Control Quality Team. Our team is responsible for ensuring product quality across hardware, software, systems, supplier, and customer domains. What You Will Be Doing As the Senior Quality Engineer you will be responsible for driving quality excellence across the MFC program. Your responsibilities will include, but are not limited to: Develop, review, and maintain quality standards, methods, and procedures. Analyze quality data to identify trends and implement corrective actions. Perform assessments, audits, and independent reviews to ensure compliance. Lead parts‑review and corrective‑action meetings with customers, suppliers, and subcontractors. Apply lean tools to reduce waste and improve processes. Why Join Us The ideal candidate is a collaborative problem‑solver with strong analytical skills and a passion for aerospace quality. This role offers the chance...
Odyssey Systems Consulting Group
Jul 09, 2026
Full time
Test Engineer
Odyssey Systems Consulting Group Colorado Springs, CO
Position Summary Odyssey Systems has an exciting new opportunity for a Test Engineer for the Engineering, Professional, and Administrative Support Services (EPASS) Contract at Peterson SFB. As the Test Engineer you will provide technical and engineering support for Enterprise Resource Planning (ERP) and major IT Test and Evaluation (T&E) to SSC SYD 85 in the S5.   Responsibilities Duties includ e, but not limited to:  Documenting the review, test concept development, test methodology development, test plan development, test execution, and test reporting, data reduction and analysis, and end user operational testing Using Design of Experiments methods to plan and conduct test programs Independently prepare (or advise others in the preparation of) criteria, computation/analyses, specifications, cost estimates test plans, and technical reports in the specific area of technical expertise Select and apply...
Odyssey Systems Consulting Group
Jul 09, 2026
Full time
Cybersecurity Engineer
Odyssey Systems Consulting Group Dayton, OH
Position Summary Odyssey is recruiting to fill a Cybersecurity Engineer  role supporting the ISR/SOF Directorate (AFLCMC/WI).    The ISR/SOF Directorate executes a $22 billion acquisition portfolio developing, producing, testing, modifying, fielding, and supporting Air Force ISR and SOF platforms, and related sub-systems.  The Directorate has the collective Air Force Materiel Command (AFMC) mission responsibility for equipping ISR & SOF warfighters to dominate the battlespace. Applicants will benefit from competitive salaries, career growth, and a unique ability to positively impact national security on a global scale! Responsibilities Duties include, but not limited to:  Provide expert weapons system cybersecurity guidance and recommendations to program engineers, program managers, acquisition security program executive officer, Milestone Decision Authority (MDA), and AO. Translate and provide comprehensive NIST...
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