Software Engineer - Level 4
Lockheed Martin
Description Lockheed Martin’s products play an important role in the national security of the United States and more than 70 other countries, ensuring peace and stability around the world. Highly trained and specialized personnel and facilities are key to the company’s unrivaled success in the aeronautics industry. Our workforce of more than 25,000 has pre‑eminent expertise in advanced aircraft design and production, modification and support, stealth technology and systems integration. What You Will Be Doing This position is for a Mission Assurance Software Engineer Staff supporting the F-35 Joint Strike Fighter (JSF) and Integrated Fighter Group (IFG) platforms. Opportunities to support other LM Aero platforms may become available as the candidate progresses in this role. The role requires advanced technical expertise, proven ability to drive agile development activities, and deep experience in embedded and mission-critical software. Daily tasks include but are not limited to the following: Lead the development, maintenance, and execution of unit tests and requirements‑driven test suites for mission‑critical software components. Drive agile ceremonies (scrum, sprint planning, retrospectives) and coach the team on best‑practice usage of agile tools. Architect and implement software features in a Linux environment; own branching/merging strategies and code‑review processes. Design and deliver middleware components that define integration interfaces across mission systems and hardware subsystems. Drive the optimization of CI/CD pipelines to improve build quality and delivery speed. Lead embedded software development, including memory‑mapped hardware access, bare‑metal coding, and real‑time operating system (RTOS) integration. Direct root‑cause investigations, fault isolation, debugging, and after‑action reporting. Collaborate with system engineers, hardware engineers, and test teams to ensure software meets interface, performance, and security requirements. Author and maintain comprehensive technical documentation, test procedures, and operational guidance. What’s In It For You From onsite to remote, we offer flexible work schedules to comprehensive benefits investing in your future and security. Further Information About This Opportunity Candidate will also have the ability to travel to Lockheed Martin facilities, supplier sites, and customer locations. Must be a US Citizen. This position is located at a facility that requires special access. This position is in Fort Worth, TX. Basic Qualifications Bachelor’s (or higher) degree in Computer Science, Software Engineering, Electrical Engineering, or a related technical discipline. Minimum 8+ years of software‑development experience, including independent delivery of embedded or mission‑critical systems. Secret Clearance with ability to obtain Special Access Program (SAP) Clearance. Desired Skills Expert‑level C/C++ programming background; ability to design reusable libraries and frameworks. Extensive experience with GNU build tools (Make, CMake, etc.). Hands‑on experience with AMD/Xilinx FPGA tools (Vitis, Vivado) and integration of FPGA‑based IP. Extensive Linux development experience (user‑space and kernel‑level), including driver development and performance tuning. Advanced experience with memory‑mapped hardware, practical FPGA integration, deep knowledge of RTOS (VxWorks, FreeRTOS) and bare‑metal development, and proven ability to perform rate‑monotonic scheduling analysis. Extensive experience with cryptographic libraries (OpenSSL, WolfSSL, etc.) and implementation of secure‑coding best practices in mission‑critical software. Experience leading unit test and requirements‑driven test development. Advanced use of Agile tools such as Jira and Confluence (or equivalents). Familiarity with JSF and/or IFG Mission Systems, Combat Navigation & Identification (CNI), Electronic Warfare (EW), Weapons, and Radar sub‑systems. Reverse Engineering background. Security Clearance Statement This position requires a government security clearance. You must be a US Citizen for consideration. Clearance Level: Secret with Investigation or CV date within 5 years. Other Important Information You Should Know Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Ability to Work Remotely: Onsite Full‑time. The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Schedule for this Position: 4x10 hour day, 3 days off per week. Equal Opportunity Employer Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. Application Window The application window will close in 90 days; applicants are encouraged to apply within 5‑30 days of the requisition posting date in order to receive optimal consideration. #J-18808-Ljbffr Lockheed Martin
- Description: You will be the Software Engineer Staff for the Simulation & System Labs (SSL) which... .... Citizen for consideration. Clearance Level Secret Other Important Information You... ...off benefits. Schedule for this Position 4×10 hour day, 3 days off per week Equal...SuggestedFull timeWork at officeRemote workWorldwideRelocationFlexible hoursShift work3 days per week
- Job ID: 722440BR Date posted: Apr. 06, 2026 Full Stack Engineer Stf - Skunk Works© - Level 4 Aeronautics Ground Systems team responsible for delivering secure, high-performance cloud and hybrid platforms that enable the nation's most ambitious aeronautical missions....SuggestedFull timeFlexible hours3 days per week
- We are Lockheed Martin. We are hiring a Software Engineer Staff for the Integrated Maintenance Information System (IMIS) team. The IMIS team... ...clearance; you must be a US Citizen for consideration. Clearance Level: Secret Other Important Information You Should Know...SuggestedFull timeRemote workRelocationFlexible hoursShift work3 days per week
- Role Overview As a software engineer you will serve as a software developer for F‑35 Pilot Systems Software (PSSW), Multi‑Function Display (... ...Comprehensive benefits package Location Fort Worth, TX Experience Level Experienced Professional Business Unit AERONAUTICS COMPANY...SuggestedFull timeInterim roleRelocation packageFlexible hoursWeekend workDay shift3 days per week
- Description: We are Lockheed Martin Overview You will be a Software Design Engineer for the Integrated Maintenance Information System (IMIS)... ...Design Engineer you will be responsible for developing system‑level requirements for new software capabilities, working with...SuggestedFull timeRelocationShift work3 days per week
- Integrated Logistics Support, Product Support Integrator - Level 4 You will be an integrator for ADP programs, leading, integrating... ...technical manuals for aerospace systems (e.g., wiring diagrams, engineering blueprints, manuals) Desired Skills Production and...Full timeRemote workRelocationFlexible hoursShift work3 days per week
- Description You will be the Project Engineer Development Ground Systems - Level 4 for the F-35 Line of Business Engineering (LOBe) team within Engineering and Technology (E&T) supporting the Ground Systems Team which is responsible for delivering cutting‑edge ground system...Flexible hours
- Lockheed Martin is looking for a Pilot Vehicle Interface Design Engineer - Level 4 in Fort Worth, TX. This non-flying role involves designing innovative cockpit mechanisms and collaborating with engineers and pilots to deliver sophisticated solutions for advanced military...Flexible hours
- ...history. As an F‑16 System Design Engineer Staff, you will play a pivotal... ...with Avionics, System Design, Software development, and/or System... ...for consideration. Clearance Level: Secret. Employment Details Experience... ...schedule for this position is 4×10‑hour days, three days off...Full timeWork at officeRelocationShift work3 days per week
- .... This role is ideal for an experienced software engineer who thrives in performance-critical environments... ...product, DevOps, and QA Mentor mid-level and junior engineers Drive best... ...Rust ecosystems GUI Frameworks: .Net, Qt 4/5/6 Security Clearance Statement This...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- Who You Are The Application Engineering Associate Manager role is responsible for leading the 1LMX MES Acceleration Team in the development... ..., you must be a US Citizen for consideration. Clearance Level Secret Work Schedules Lockheed Martin supports a variety of alternate...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- Description You will be the Safety Management Systems Engineer Staff (level 4) for the Aviation Safety and Airworthiness SMS team which is responsible for maintaining an industry‑leading Safety Management System. What You Will Be Doing As the Safety Management System...Full time
- ...battlespace solutions. This Guidance, Navigation and Control (GNC) Software Engineer position is with the Lockheed Martin Skunk Works Mission... ..., you must be a US Citizen for consideration. Clearance Level Secret Other Important Information You Should Know...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- Lockheed Martin is seeking a Control Law Engineer - Level 4 for the Mission Systems Roadmaps Demonstrations Team in Fort Worth, TX. You will be responsible for designing and developing middleware solutions for mission systems while collaborating with multiple teams. A Bachelor...Flexible hours
- Overview Job ID: 725506BR Date posted: Apr. 28, 2026 Description: You will be the Pilot Vehicle Interface Design Engineer - Level 4 for the Pilot Systems Engineering (PSE) group - Advanced Development Programs (ADP) which is responsible for designing and delivering innovative...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- ...as the Program Integrator for TF-50/FA-50 program captures and Engineering Proposal Requests (EPRs). Candidate will work with the Capture... ...skills Ability to interface and interact with all levels of organization Working knowledge of SAP, SCM processes, and Artificial...Full timePart timeFor subcontractorWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- Overview The F‑22 Program seeks a highly qualified engineer to own and drive integration across the F‑22 Software Development Pipeline, with occasional support for... ...must be a U.S. citizen for consideration. Clearance Level Secret Other Important Information You Should Know...Full timeContract workWork at officeRelocationFlexible hoursShift work3 days per week
- Description We are Lockheed Martin. You will be the Project Engineer for the F-35 LoB Engineering, Business Operations & Capture. Our... ...program You will have to summarize data and deliver executive-level products on short timelines Must be a US Citizen. This position...Full timeWork at officeRemote workRelocationFlexible hoursShift work
- ...‑35 Program is searching for a seasoned software manager to lead and manage agile software... ...Lead agile teams of LM Aero software engineers working on Mission Data Team products.... ...improve efficiency. Communicate at all levels internally and externally, delivering presentations...
- What You Will Be Doing System/Software Design Engineer for the F35 Mission Planning Environment (MPE) team responsible for mission planning, ground... ...degree in System Engineering Experience defining design level capability solutions using context diagrams, use cases,...Full timeShift work
- Overview Mission Assurance Software Engineer Senior‑Staff supporting the F‑35 Joint Strike Fighter (JSF) and Integrated Fighter Group (IFG) platforms. The role requires expert‑level technical mastery, agile development strategy leadership, and vision in embedded mission...Full timeRemote workFlexible hoursShift work3 days per week
- Description You will be the Systems Engineer Associate Manager for the Integration and Test... ...maintaining, and executing testing on a software-intensive systems. The team is also responsible... ...; must be a U.S. citizen. Clearance Level: Top Secret. Equal Opportunity Statement...Flexible hours
- Description You will be the Software Engineer, Simulation Sr. Staff for the Simulation & Systems Labs (SSL) which is responsible for ... What... ..., you must be a US Citizen for consideration. Clearance Level Secret Other Important Information You Should Know Expression...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- ...Level 2 Software Engineer Full lifecycle testing of various infrastructure software product capabilities. Agile product development methodologies. Daily collaboration and communication. Opportunities to learn from system/software architects as well as mentor more junior...
- ...supporting operations in a very active and high operational tempo as the Associate Manager supporting the F-16 Core Field Service Engineer (FSE) team. This position will be located in Greenville, South Carolina or Fort Worth, Texas. What You Will Be Doing The position...Contract workWork at officeRemote workFlexible hours3 days per week
- ...Electrical Engineer - Systems Integration/Test - Level 4 The Electronic Hardware Design (EHD) team develops flightworthy safety critical electronic hardware, embedded software, FPGAs, and test equipment for LM Aero aircraft programs and related needs. We are a co-located...Full timeInterim roleWork at officeRemote workFlexible hours3 days per week
- ...technology and systems integration. Lockheed Martin is seeking Software Engineers interested in supporting System Build Infrastructure. This... ...clearance, you must be a US Citizen for consideration. Clearance Level: Secret Equal Opportunity Employer: Lockheed Martin is an...Flexible hoursWeekend work3 days per week
- Description You will be the Software Engineer, Modeling & Simulation for the Simulation & Systems Labs (SSL) which is responsible for... What... ..., you must be a US Citizen for consideration. Clearance Level Secret Expression of Interest By applying to this job, you are...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- Description You will be the Senior Software Engineer for the team which is responsible for the development and delivery of software models with... ..., you must be a US Citizen for consideration. Clearance Level Secret Other Important Information You Should Know Expression...Full timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- ...Basic Qualifications Bachelor's degree in Computer Science or Software Engineering Experience coding in C++ Experience Analyzing Requirements... ..., you must be a US Citizen for consideration. Clearance Level Secret with Investigation or CV date within 5 years Other Important...Full timeInterim roleWork at officeRemote workRelocationFlexible hoursShift work3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer - Level 4. Be the first to apply!
- software engineer internship remote Fort Worth, TX
- software engineer staff Fort Worth, TX
- machine learning software engineer Fort Worth, TX
- senior robotics software engineer Fort Worth, TX
- software engineer entry level Fort Worth, TX
- software development engineer aws Fort Worth, TX
- startup software engineer Fort Worth, TX
- rust software engineer Fort Worth, TX
- part time software developer remote Fort Worth, TX
- senior software engineer remote Fort Worth, TX

