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146 senior software engineer level 3 jobs found

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United States Onsite senior software engineer level 3
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Lockheed Martin
Aug 07, 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
Aug 07, 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 18, 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 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
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
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 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
Sep 26, 2026
Full time
Senior Cyber Resiliency Test Engineer
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Senior Cyber Resiliency Test Engineer supporting the TMAS 3 96 CTG Task Order and the 48th Cyberspace Test Squadron (48 CTS/TGE), located at Eglin AFB, FL. The Cyber Resiliency Test Engineer will work within the Process and Policy Team to provide cyber test planning support, conduct system security analysis, identify vulnerabilities, and develop cyber survivability strategies across DoD systems.   This position offers the opportunity to contribute to mission‑driven efforts focused on cyber test planning, vulnerability assessments, system requirements development, and DoD/Service‑level guidance for next‑generation defense systems.   This is a full-time, on-site position at Eglin AFB with approximately 30% travel. Responsibilities Duties include, but not limited to:    Cyber Test Strategy & Planning Support acquisition programs in developing...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Senior Network Engineer / System Administrator
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey Systems has an exciting opportunity for a Senior Network Engineer / System Administrator supporting the 782nd Test Squadron on TMASIII at Eglin AFB, FL.   As the System Administrator, you will serve as the principal technical authority for information systems operations, cybersecurity, and information assurance within classified, mission‑critical environments. You will lead implementation of security controls, oversee compliance activities, direct vulnerability management efforts, and support the evolution of automation hardware and software infrastructure.   This is a full‑time position located at Eglin Air Force Base, Florida. Responsibilities Duties include, but not limited to:  Serve as the principal technical authority for information systems operations, cybersecurity, and information assurance. Lead the design, implementation, and continuous improvement of security controls for...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Data Links Test Engineer – Mid-Level
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Mid‑Level Data Links Test Engineer supporting the 46 Test Squadron / TGBC under the TMAS III contract at Eglin AFB, FL.The Tactical Data Links (TDL) Test Flight (TGBC) is the United States Air Force’s premier TDL developmental test team. The role supports the Tactical   Integration Element (TIE) responsible for planning, designing, executing, and reporting on tactical integration test events. Candidates should possess a strong engineering background and/or a foundational knowledge of tactical data links, with the motivation to learn new technology areas. Responsibilities may range from serving as a test lead to supporting another test lead as part of a test team.   This is a full‑time position at Eglin Air Force Base, Florida, with up to 25% CONUS/OCONUS travel. Responsibilities Duties include, but not limited to: Serve as the primary face to the...
Odyssey Systems Consulting Group
Sep 26, 2026
Full time
Mid‑Level Systems Integration and Test Engineer
Odyssey Systems Consulting Group Niceville, FL
Position Summary Odyssey has an exciting opportunity for a Mid‑Level Systems Integration and Test Engineer (SE‑3) supporting the 46 Test Squadron / TGBC at Eglin AFB, FL under the TMAS III contract.   The Datalinks Test Flight is seeking a degreed computer scientist or engineer with software development/scripting knowledge and work experience to support the design, construction, integration, and sustainment of Test & Evaluation (T&E) systems in the Advanced Datalinks Test Lab (ADTL). The environment is fast‑paced and centers on innovative digital communications technologies, offering both on‑the‑job training and formal technical coursework. Candidates should have strong technical foundations with motivation to expand into additional required domains. Responsibilities may range from supporting project leads to leading efforts as experience progresses.   This is a full‑time, onsite position at Eglin AFB, FL. Limited telework may be authorized...
Lockheed Martin
Aug 07, 2026
System Engineer, Senior
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. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jul 31, 2026
Senior Software Quality Engineer
Lockheed Martin Orlando, FL
Description: You will be the Senior Software Quality Engineer for the Software Quality Engineering Team. Our team is responsible for developing and maintaining systems and software quality processes that align with AS9100, program, and customer requirements. What You Will Be Doing As the Senior Software Quality Engineer you will be responsible for driving software quality excellence across the IRST program. Your responsibilities will include, but are not limited to: Develop and apply quality principles to software and software‑based systems. Design and implement software development and maintenance processes. Define audit strategies and ensure compliance with systems/software processes. Design, specify, and conduct test methods for software inspection, verification, and validation. Evaluate and analyze software quality systems to identify and correct deficiencies. Why Join Us The ideal candidate is a collaborative engineer who thrives in...
Lockheed Martin
Jul 30, 2026
FPGA Engineer Lead
Lockheed Martin Orlando, FL
Description: You will be the FPGA Engineer Lead for the ATWS Directed Energy Imaging team. Our team delivers advanced imaging platforms by defining FPGA architectures, developing RTL, validating designs, and fielding production ready hardware that meets stringent performance, cost, and schedule goals. What You Will Be Doing As the FPGA Engineer Lead you will own the end to end development of FPGA solutions and coordinate a multidisciplinary group of systems engineers, software developers, and hardware integrators. You’ll translate system requirements into reliable, high performance hardware while keeping technical risk in check and communicating progress to senior leadership and customers. Your responsibilities will include: • Defining FPGA architecture and creating high quality RTL using AMD/Xilinx Versal and UltraScale+ families. • Driving verification and validation activities, including board level testing and video/signal processing implementation. • Managing task...
Lockheed Martin
Jul 23, 2026
1LMX RMS Digital Thread Software Engineer - FULLTIME TELEWORK
Lockheed Martin Colorado Springs, CO
Description: We are committed to work-life balance by promoting this remote telework option. These job requirements allow the employee to work their entire schedule somewhere other than a Lockheed Martin designated office or job site. What We're Doing At Lockheed Martin RMS (Rotary & Mission Systems), we are driving a OneLM digital transformation to modernize processes and technologies. Our goal is to lead the Aerospace and Defense industry by leveraging cutting-edge digital capabilities to innovate solutions, reduce costs, and improve development efficiency. WHO YOU ARE We are seeking innovative, collaborative team members to support this transformation. As part of the 1LMX RMS Software Digital Thread Team, as a Software Engineer Senior you will be working with other engineers, following the technical vision, strategy, and implementation of the 1LMX RMS solution. The Work • Perform software and some systems tasks for Software in Digital Thread product team •...
Lockheed Martin
Jul 23, 2026
ASIC & FPGA Design Engineer Sr / Syracuse, NY
Lockheed Martin Liverpool, NY
Description: What We're Doing At Lockheed Martin, we are passionate about innovation and integrity. We believe that by applying the highest standards of business ethics and forward-thinking, everything is within our capacity – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, education, and background! The Work As an FPGA Engineer you will; • Perform complex FPGA firmware architecture and/or custom digital board designs. • Design digital signal processing, messaging, control, and high-speed communications. • Interface and collaborate with program leadership and teammates on a regular basis. • Estimate, break down and plan work for their firmware team. • Take a high DSP algorithm for a radar system and break it into small pieces and coach junior engineers. Who We Are Our team comprises a diverse group of highly motivated and dedicated technical professionals. We foster a collaborative environment that values teamwork and creativity....
Lockheed Martin
Jul 23, 2026
Sr Staff Semiconductor Process Engineer
Lockheed Martin Goleta, CA
Description: You will be a Focal Plane Array Process Engineer with our Infrared Sensors Business on site in Goleta, CA. Our team is responsible for developing and manufacturing advanced Focal Plane Arrays (FPAs), and we are looking for a talented engineer to join our team. What You Will Be Doing As a Staff FPA Process Engineer, you will be responsible for the technical and production leadership in the fabrication and execution of advanced Focal Plane Array (FPA) including wicking, plasma system, substrate thinning, dicing, Anti-Reflection (AR) coating, and flip-chip bonding for hybridization, a key step in the manufacturing process imaging devices. You will play a critical role in developing and optimizing the processes, procedures, tooling, and equipment to maximize yield, efficiency, and throughput and methodologies used to precisely align and bond detector arrays and readout integrated circuits (ROICs), creating high-performance FPAs. You'll work in a fast-paced,...
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