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37 level 3 software engineer jobs found

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Lockheed Martin
Mar 31, 2026
Software Engineer Sr - Skunk Works - Level 3
Lockheed Martin Marietta, GA
Description: You will be the Software Engineer Sr - Skunk Works for the Ground Control Station System Integration and Test Team which is responsible for developing automated tests to verify functional baseline requirements and validate system behavior. What You Will Be Doing As the Software Engineer Sr - Skunk Works you will be responsible for leading the creation of automated test solutions, integrating simulation tools, and supporting ground‑control‑station development for unmanned systems. Your responsibilities will include: Develop and execute automated system‑level tests that verify and validate ground‑control‑station functionality. Provide technical leadership to multidisciplinary engineers, guiding rapid verification of test requirements and validation of system functions. Integrate automation tools using Red Hat Linux’s Ansible, Cucumber, Kubernetes, Helm, and GitLab. Embrace innovative approaches to continuously integrate, test, and...
Lockheed Martin
Jun 25, 2026
RF Engineer - Senior
Lockheed Martin Marietta, GA
Description: You will be the RF Engineer – Level 3 for the AMMM Communications, Navigation, and Sensors Team which is responsible for delivering cutting‑edge RF solutions that power our aircraft’s communications, navigation, and sensor capabilities. As the RF Engineer – Level 3 you will be responsible for driving the design, analysis, and integration of RF systems that enable high‑performance mission outcomes. You will work closely with cross‑functional teams to translate requirements into robust, field‑ready solutions. Your responsibilities will include: - Perform RF engineering analyses, including antenna performance, link budgets, and interference mitigation. - Support the design, test, and integration of radios, antennas, and related hardware. - Collaborate with system and software teams to translate requirements into RF‑specific solutions. - Generate technical documentation and reports for design reviews and certification. - Participate in troubleshooting and sustainment...
Lockheed Martin
Jun 25, 2026
AMMM Systems Engineer - Level 2
Lockheed Martin Marietta, GA
Description: You will be a Systems Engineer (level 2) for the AMMM (Air Mobility and Maritime Missions) Communications/Navigation and Surveillance team which is responsible for delivering avionics solutions for C‑130 aircraft. As a Systems Engineer you will be responsible for the end‑to‑end development, integration, and fielding of avionics on the C‑130 platform. Your responsibilities will include: - Design, procure, install, test, and transition avionics hardware and software into production. - Conduct technical planning, system integration, verification and validation, and risk analysis across the system lifecycle. - Perform functional, timeline, and trade‑study analyses to translate customer requirements into detailed specifications. - Develop cost, schedule, and supportability assessments to ensure viable, maintainable solutions. - Collaborate with cross‑functional teams to define interfaces, allocate requirements, and support system sustainment. Basic Qualifications:...
Lockheed Martin
Jun 25, 2026
Software Engineer, Modeling and Sim Developer - Level 2
Lockheed Martin Marietta, GA
Description: You will be the Software Engineer, Modeling and Sim Developer for the LM Aero Simulation and System Lab (SSL) Team which is responsible for developing and supporting advanced simulation and test software for cutting‑edge aircraft programs. What You Will Be Doing As the Software Engineer, Modeling and Sim Developer you will be responsible for delivering high‑quality simulation software that enables experimental, developmental and production aircraft testing. Your responsibilities will include: Design, develop, and integrate software models for airframe, aircraft systems, and avionics. Write clean, maintainable code in C++, Java, or other high‑order languages. Create and maintain documentation, test plans, and debugging procedures. Collaborate with test engineers to validate models against experimental data. Contribute to continuous improvement of simulation tools and processes. What’s In It For You We are committed to...
Lockheed Martin
Jun 24, 2026
Software Engineer Senior Staff - Level 5
Lockheed Martin Marietta, GA
Description: You will be a technical staff member for laboratory software development within the LM Aero Simulation and System Lab (SSL) F22 MITL Team. This organization develops state of the art, real-time, pilot-in-the-loop fighter and airlift simulations and systems integration laboratories. This includes simulators for the F-16, F-22, F-35, C-5, C-130J, and L-100 aircraft. What You Will Be Doing As a Software Engineer Senior Staff, you will serve as the software lead for the F-22 Air Combat Simulation (ACS) Man in the Loop (MITL) development team which is responsible for developing and integrating new features into the simulation, sustaining the product, and rehosting the Operational Flight Program for Linux environments. The ACS serves as the Digital Twin for the F22 aircraft and supports pilot training, tactics development, and DT/OT testing including DevSecOps support in the Raptor Virtual Development Lab (RVDL). Your responsibilities will include:...
Lockheed Martin
Jun 24, 2026
Mechanical/Vibration Test Engineer
Lockheed Martin Marietta, GA
Description: You will be the Mechanical/Vibration Test Engineer for the Engineering Team which is responsible for advancing aerospace testing capabilities. What You Will Be Doing As the Mechanical/Vibration Test Engineer you will be responsible for delivering hands‑on testing expertise that drives our aircraft development and sustainment programs. Your responsibilities will include: Perform hands‑on mechanical and vibration testing in a lab environment. Provide mechanical/vibration support to advanced development, sustainment, and engineering test efforts. Execute mechanical tests following ASTM, Lockheed, and customer standards. Configure test machine setups, program test profiles, and manage data acquisition systems. Program and operate MTS test control software while assisting the lead engineer in the vibration lab. What’s In It For You We are committed to supporting your work‑life balance and overall well‑being, offering flexible scheduling...
Lockheed Martin
Jun 19, 2026
Software Engineer Senior Staff - Level 5
Lockheed Martin Marietta, GA
Description: You will be the Software Engineer Senior Staff for the F-35 SILs, F-22 SILs and/or ADP team which is responsible for building various F-35/F-22 man-in-the-loop simulation products. What You Will Be Doing As the Software Engineer Senior Staff you will be responsible for developing and integrating real-time simulation software applications for the F-35 SILs, F-22 SILs and/or ADP team. Your responsibilities will include: Laboratory software development within the LM Aeronautics Simulation and System Labs (SSL) Team Design, develop and integrate low-to-medium fidelity models (such as aircraft weapon, sensor, environment and threat models) Real-time simulation and/or infrastructure software in support of simulation and system integration labs in various high‑order software languages (C++, Ada, Java, etc.) Collaboration with cross‑functional teams to ensure successful integration and deployment of software applications Continuous...
Lockheed Martin
Jun 19, 2026
Systems Engineer Stf - Level 4
Lockheed Martin Marietta, GA
Description: You will be the Systems Engineer Stf for the Air Mobility and Maritime Missions (AMMM) team. What You Will Be Doing As the Systems Engineer Stf you will be responsible for leading the Air Mobility and Maritime Missions (AMMM) project team to coordinate engineering efforts, meet program requirements, and drive process improvements. Your responsibilities will include: Lead cross‑functional engineering coordination across multiple teams. Define, track, and ensure fulfillment of program requirements. Manage project schedules, milestones, and deliverables. Identify and implement process improvement initiatives. Communicate status, risks, and solutions to stakeholders. What’s In It For You We are committed to supporting your work-life balance and overall well‑being, offering flexible scheduling options. Learn more about Lockheed Martin’s comprehensive benefits package here. Do you want to be part of a company culture that...
Lockheed Martin
Jun 19, 2026
Cyber Sys Secur Engr Sr
Lockheed Martin Marietta, GA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. Lockheed Martin Aeronautics in Marietta, GA is seeking a full-time Cyber Systems Security Engineer. In this role, you will ensure that cyber security requirements are properly defined, decomposed, allocated, implemented, and assessed to produce a...
Lockheed Martin
Jun 19, 2026
Test Engineer Stf
Lockheed Martin Marietta, GA
Description: You will be the Test Engineer Staff for the AMMM Functional Test Engineering Team in Marietta, GA, which is responsible for supporting multiple areas within manufacturing operations. What You Will Be Doing As the Test Engineer Staff, you will be responsible for designing, developing, operating, maintaining, and documenting software and firmware components and computing systems software to meet engineering and manufacturing requirements. Your responsibilities will include: Writing and revising C-130J aircraft system/component test procedures and providing on-aircraft testing and troubleshooting support. Developing test equipment and providing test equipment designs, as well as supporting Test Labs and Component testing within the Labs. Creating Labview, C++, & Visual Basic test programs for analyzing & validating the 1553 data bus systems. Developing and maintaining production planning (SFM, CAPPS, IMPACTS) and providing Functional...
Lockheed Martin
Jun 19, 2026
Software Engineer
Lockheed Martin Marietta, GA
Description: At Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. This is a place for engineers, scientists, and problem-solvers who are ready to engage deeply, think critically, and build with purpose. You will not just launch a career. You will be part of something bigger. This is where the best are built. Lockheed Martin Aeronautics is seeking a full-time experienced professionals Software Engineer. In this role, you will be responsible for all phases of developing command and control (C2) ground and mission control software for various autonomous air vehicle platforms....
Lockheed Martin
Jun 19, 2026
Software Engineer
Lockheed Martin Marietta, GA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. This is a place for engineers, scientists, and problem-solvers who are ready to engage deeply, think critically, and build with purpose. You will not just launch a career. You will be part of something bigger. This is where the best are built Lockheed Martin Aeronautics is seeking a full-time experienced professional Software Engineer. In this role, you will be responsible for all phases of developing command and control (C2)...
Lockheed Martin
Jun 19, 2026
Sr. NC Programmer- Level 3
Lockheed Martin Marietta, GA
Description: You will be the Sr. NC Programmer - Level 3 for the CNC Programming team which is responsible for developing and maintaining numeric‑control programs that support high‑precision aerospace production. What You Will Be Doing As the Sr. NC Programmer - Level 3 you will be responsible for creating, optimizing, and sustaining CNC code that drives critical manufacturing equipment. Your responsibilities will include: Develop and validate NC programs for milling, turning, and drilling operations, ensuring compliance with engineering drawings and tolerances. Analyze machining results, troubleshoot process issues, and implement corrective actions to improve cycle time and part quality. Maintain and update machine parameters, tool libraries, and post‑processors to reflect new part designs and technology upgrades. Provide technical guidance and training to junior programmers and shop‑floor operators on best‑practice coding techniques....
Lockheed Martin
Jun 19, 2026
Software Engineer, Senior (E3_MA)
Lockheed Martin Marietta, GA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative fast paced team working developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of interest. You...
Lockheed Martin
Jun 12, 2026
Design Engineer
Lockheed Martin Marietta, GA
Description: You will be the Design Engineer for the BTP Structural Design Release team which is responsible for... What You Will Be Doing As the Design Engineer you will be responsible for managing the release process of structural design data, ensuring version control, validation, and timely delivery to downstream teams. Your responsibilities will include: Plan, coordinate, and execute the release of structural design packages (CAD models, drawings, BOMs, etc.). Apply configuration management processes to maintain baseline integrity of structural data. Conduct pre‑release verification and validation activities, generate release documentation, and ensure complete audit trails. Liaise with design, systems, manufacturing, and quality teams to resolve release blockers and provide technical guidance on PLM and CAD tools. Identify workflow bottlenecks and propose automation or procedural enhancements, contributing to release procedures and training...
Lockheed Martin
Jun 12, 2026
Full-Stack Applications Engineer Sr - Level 3
Lockheed Martin Marietta, GA
Description: Your Impact Lockheed Martin Aeronautics in Marietta, Georgia is looking for a Level 3 Full‑Stack Applications Engineer to power the digital backbone of the C-130 Hercules and the F‑35 Joint Strike Fighter assembly and test facility. As a Forward Deployed Engineer, you’ll build modern, scalable web apps with React, Angular, .NET Core, Node.js, Docker/Kubernetes, and cloud services, turning complex production data into intuitive interfaces that streamline workflows and boost efficiency. What makes this role unique is the hands‑on collaboration with Production Operations — you’ll spend time shadowing on the shop floor and in business meetings listening for pain points to rapidly prototype solutions. Join a mission‑critical environment where your code directly supports a world‑class defense platform, benefit from top‑tier mentors, competitive compensation, and a culture that prizes innovation, safety, and impact. If you thrive at the intersection of cutting‑edge web...
Lockheed Martin
Jun 10, 2026
Harness Design Engineer - Level 2
Lockheed Martin Marietta, GA
Description: You will be the Harness Design Engineer for the Advanced Development Programs (ADP) team which is responsible for developing cutting‑edge aircraft harness and interconnect solutions. What You Will Be Doing As the Harness Design Engineer you will be responsible for translating electrical specifications into robust wiring harness designs, creating detailed routing diagrams, and ensuring integration across mechanical and structural domains. Your responsibilities will include: Produce electrical wiring schematic drawings and design intricate power distribution systems. Gather and validate specifications, generate routing diagrams, cable layouts, and installation procedures. Coordinate with mechanical, structural, and integration teams to resolve clashes and meet safety and compliance standards. Create and maintain documentation such as routing drawings, installation guides, and change‑request tracking. Develop supplier statements of work, oversee...
Lockheed Martin
Jun 09, 2026
Software Engineer Stf - Simulation - Level 4
Lockheed Martin Marietta, GA
Description: You will be a Software Engineer Staff, for the F-22 Air Combat Simulation (ACS) Man in the Loop (MITL) development team which is responsible for developing and integrating new features into the simulation, sustaining the product, and rehosting the Operational Flight Program for Linux environments. The ACS serves as the Digital Twin for the F22 aircraft and supports pilot training, tactics development, and DT/OT testing including DevSecOps support in the Raptor Virtual Development Lab (RVDL). What You Will Be Doing As the Product Owner for the F-22 In A Box (F-22IAB) high fidelity combat simulation you will be responsible for guiding the MITL software development team in incorporation with the Joint Simulation Environment (JSE). Your responsibilities will include: Manage cost, schedule, and technical scope, providing weekly/monthly status and leading technical interchange meetings. Lead customer interactions, including program management reviews, risk...
Lockheed Martin
Jun 06, 2026
F-22 Mission Planning Systems Engineer - Level 4
Lockheed Martin Marietta, GA
Description: What You Will Be Doing: Looking to fuel your passion and take on an exciting hands-on opportunity to support the world’s preeminent fifth-generation air dominance fighter? Join the F-22 Mission Support Systems team to modernize and sustain the F-22 mission planning product suite as the F-22 continues to expand its combat capabilities. This position is 100% on-site in Marietta, Ga. As an F-22 Mission Planning systems engineer you will: • Plan, develop and coordinate F-22 mission planning requirements and preliminary designs with hardware and software development teams as the product owner of one system within the F-22 Mission Support System mission planning product suite • Integrate and test the F-22 Mission Support System product suite to verify mission planning requirements • Develop and provide mission data & checklists to F-22 integration labs and flight test organizations in support of F-22 modernization development and operational test • Enhance...
Lockheed Martin
May 28, 2026
Systems Engineer - Maintainability Diagnostics Team - (Level 2)
Lockheed Martin Marietta, GA
Description: What You Will Be Doing: The Diagnostics and Health Management (DHM) group within the AMMM Maintainability department develops fault‑isolation procedures, diagnostic algorithms, and health‑monitoring solutions for C‑130, L‑100, LM‑100, C‑5, and P‑3 aircraft. Reporting to the Technical Lead, the Level 2 Systems Engineer will: Design, implement, and validate vehicle‑level diagnostic technologies. Author and maintain fault‑isolation procedures and associated technical documentation for aircraft systems. Analyze maintenance and performance data to identify trends, recommend corrective actions, and drive continuous improvement of health‑monitoring tools. Collaborate with customers, suppliers, and internal stakeholders to translate requirements into DHM solutions. Primary responsibilities: Research, author, and edit fault‑isolation procedures and diagnostic documentation. Develop, test, and refine diagnostic algorithms (fault detection, health indices, trend...
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