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45 senior software engineer level 3 jobs found in Fort Worth

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Lockheed Martin
Mar 24, 2026
Senior Software Engineer – Level 3
Lockheed Martin Fort Worth, TX, USA
Description: The Fusion team is looking for an experienced, process‑driven C++ developer to join our simulation team. In this role you will integrate third‑party models and build detailed simulations for our testing environment, ensuring the Fusion product is delivered efficiently and with the highest quality. The ideal candidate demonstrates excellent problem‑solving abilities, a collaborative mindset, and a proven capacity to work independently. What’s In It For You: From onsite to remote, we offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin’s comprehensive benefits package here. Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus -if you have the passion and courage to dream big, work hard, and have fun doing what you...
Lockheed Martin
Mar 17, 2026
Software Engineer Senior - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Senior Software Engineer for the team which is responsible for the development and delivery of software models with the ability to make independent and solid decisions during the software development process. What You Will Be Doing As the Senior Software Engineer you will be responsible for leading the design, development, and delivery of high‑quality software solutions in a lab environment. You will mentor junior engineers, drive architectural decisions, and collaborate closely with cross‑functional teams to ship reliable, scalable, and high‑performing products. Your responsibilities will include: Lead design and development of software solutions. Mentor junior engineers and foster technical growth. Drive architectural decisions and enforce best practices. Collaborate with cross‑functional teams to ensure reliability and scalability. Oversee delivery, testing, and performance optimization of products. What’s In It...
Lockheed Martin
Apr 03, 2026
Systems Engineer Senior Staff (Level 5)
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Systems Engineer Senior Staff (Level 5) for the Air System PHM team which is responsible for delivering prognostics and health‑management capabilities on the F‑35 aircraft. What You Will Be Doing As the Systems Engineer Senior Staff (Level 5) you will be responsible for defining requirements, shaping system architecture, and guiding integration and verification of Air System PHM functions. Your responsibilities will include: Lead requirements development and system‑architecture design for Air System PHM. Define and manage interfaces in the Signal Interface Management System (SIMS) and coordinate integration with MS, VS, AF, and ALIS. Oversee integration‑testing and verification activities, ensuring success criteria are met. Analyze operational impact of defects, prioritize fixes, and develop work‑arounds for ASRD restrictions. Collaborate with cross‑functional teams to document PHM interfaces and support system‑level...
Lockheed Martin
Apr 02, 2026
Cyber Systems Security Engineer Staff
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Cyber Systems Security Engineer Staff for the Integrated Fighter Group (IFG) – F‑22 CNI Crypto Team which is responsible for leading the development, integration, and sustainment of cryptographic hardware across the F‑22 platform. What You Will Be Doing As the Cyber Systems Security Engineer Staff you will be responsible for driving the end‑to‑end engineering of the F‑22 CNI Crypto portfolio. You will work closely with CNI, Racks, DHM, CM, DM, NSA, and F‑22 SPO partners to ensure secure, certified solutions that meet mission requirements. Your responsibilities will include: Lead engineering development and integration of the full F‑22 CNI Crypto hardware suite. Provide technical training and SME oversight for existing and planned cryptographic systems. Represent the F‑22 CNI team with Lockheed Martin management, NSA, and customer counterparts. Approve technical inputs for proposals, basis‑of‑estimate (BoE) documents, and...
Lockheed Martin
Apr 02, 2026
Systems Engineer Stf - Level 4
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin Air System Analysis and Verification Operations team is seeking a senior Systems Engineer (Level 4). Our team is part of the Systems Engineering organization. Air System Analysis & Verification Operations team delivers comprehensive analysis, develops custom tools, plans infrastructure, and provides verification support. The Systems Engineer (Level 4) will partner with program engineering and technical stakeholders to orchestrate technical integration, schedule coordination, and risk management of subsystem development activities. You will leverage in‑depth knowledge in one or more of the following domains: Weapons, Fusion, Radar, Electronic Warfare (EW), Electro‑Optical Distributed Aperture System (EO/DAS). Where you will guide cross‑functional teams, define analytical requirements, and ensure technical compliance throughout the system‑engineered lifecycle. Your dual focus will ensure that analytical tools, methodologies, and...
Lockheed Martin
Apr 02, 2026
Senior DevSecOps Engineer
Lockheed Martin Fort Worth, TX, USA
Description: WHO WE ARE The ISA UAS division of Lockheed Martin Skunk Works is seeking talented DevSecOps Engineers with a strong Software Engineering background to join our team continuing our 80-year legacy of pioneering advanced aircraft. As a Senior DevSecOps Engineer for the Advanced Development Programs (ADP) Intelligence, Surveillance, and Reconnaissance (ISR) Unmanned Aerial Systems (UAS) Functional Domain, you will advance and execute DevSecOps practices, driving the adoption of reliable, secure, and efficient software delivery workflows across complex systems. This role offers the chance to make an immediate impact with your creativity and ideas. If you are passionate, enjoy pushing boundaries, and thinking outside the box, this opportunity in Skunk Works is for you. WHAT YOU'LL DO Develop, implement, and maintain CI/CD pipelines for building, testing, containerizing, and deploying application code, ensuring workflows are reliable, automated, and optimized...
Lockheed Martin
Apr 02, 2026
Systems Engineer Sr. Staff - Level 5
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin What You Will Be Doing You will be the Systems Engineer Senior Staff for the Mission Systems and Software team. Our team is within Ground Systems organization under Combat Systems and uses a wide application of technical principles, theories, and concepts in the software field to develop, integrate, and test software products for Advanced Development Programs. 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. What’s In It For You: 3 day weekends every weekend! From onsite to remote, we offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin’s comprehensive benefits package here. Do you want to be part of a company culture that empowers employees to think big, lead...
Lockheed Martin
Apr 01, 2026
Systems Engineer Senior Staff - Project Lead - Level 5
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Systems Engineer Senior Staff- Project Lead for the Simulation and System Labs (SSL) which is responsible for designing, procuring, developing, testing, and sustaining aircraft flight simulation systems as well as the integration and test of aircraft software, systems, and subsystems. What You Will Be Doing As the Systems Engineer Senior Staff- Project Lead, you will be responsible for project‑management leadership producing and maintaining lab infrastructure for simulation products for internal and external customers. The selected candidate will manage proposals, schedule, cost, and technical scope for lab and product development to support integration and test of operational flight software for multiple contracts. Your responsibilities will include: Leading daily project activities Mitigating risk and opportunity impacts Communicating project progress to all levels of leadership Demonstrating familiarity with Earned...
Lockheed Martin
Apr 01, 2026
Industrial Engineer Senior (Level 3)
Lockheed Martin Fort Worth, TX, USA
Description: At Lockheed Martin Aeronautics, we are committed to delivering cutting-edge aerospace systems that support the safety and security of nations around the world. We are looking for a skilled Industrial Engineer Senior to join our team, supporting the F-35 manufacturing team (open roles on the Final Assembly, Systems Checkout, Aircraft Final Finishes, and Flight Line teams). This role is pivotal in optimizing production processes by monitoring key metrics to drive continuous improvement, supporting our production customers and maintaining operational excellence. WHAT YOU WILL BE DOING? Production Process Optimization: • Enhance production activities by implementing analytical techniques and utilizing various data and data visualization tools. • Monitor production health metrics, ensuring timely identification of potential issues and areas for improvement. Project Management: • Lead projects focused on production efficiency and continuous improvement initiatives. •...
Lockheed Martin
Mar 31, 2026
Mission Systems Engineer - Level 4
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin Advanced Electronic Warfare (EW) capabilities enable F-35 pilots to locate and track enemy forces, jam radars and disrupt attacks with unparalleled effectiveness. Advanced avionics give the pilot real-time access to battle space information with 360-degree coverage and an unparalleled ability to dominate the tactical environment. Data collected by sensors on the F-35 will immediately be shared with commanders at sea, in the air or on the ground, providing an instantaneous, high-fidelity view of ongoing operations - making the F-35 a formidable force multiplier while enhancing coalition operations. This system allows F-35 pilots to reach well-defended targets and suppress enemy radars. What You Will Be Doing The F-35 Mission Data organization is in need of a Mission Systems engineer with an understanding of EW and RF principles to help deploy the Common Reprogramming Tool (CRT) to our customers. The CRT will effectively provide our...
Lockheed Martin
Mar 31, 2026
Mission Systems Engineer - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin Advanced Electronic Warfare (EW) capabilities enable F-35 pilots to locate and track enemy forces, jam radars and disrupt attacks with unparalleled effectiveness. Advanced avionics give the pilot real-time access to battle space information with 360-degree coverage and an unparalleled ability to dominate the tactical environment. Data collected by sensors on the F-35 will immediately be shared with commanders at sea, in the air or on the ground, providing an instantaneous, high-fidelity view of ongoing operations - making the F-35 a formidable force multiplier while enhancing coalition operations. This system allows F-35 pilots to reach well-defended targets and suppress enemy radars. What You Will Be Doing The F-35 Mission Data organization is in need of a Mission Systems engineer with an understanding of EW and RF principles to help deploy the Common Reprogramming Tool (CRT) to our customers. The CRT will effectively provide our...
Lockheed Martin
Mar 31, 2026
F-22 IMIS Portfolio Integrator-Level 6
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin You will be the Software Engineer Principal for the IMIS Software Integration team which is responsible for delivering mission critical software solutions for the F 22 program. What You Will Be Doing As the Software Engineer Principal you will be responsible for shaping the end to end software delivery lifecycle and serving as the central liaison between engineering, program management, and customers. Your responsibilities will include: • Portfolio Integrator will tend to be outward facing (to Business Manager, PMO, Customer) • Main interface to Program Management Office for future and current contract tasks • Main interface to the F-22 LOB Chief Engineer's Office • Coordinate and negotiate planned and final delivery content with Air System customers • Provide primary interface point for delivery and issue discussions • Works with first and second line functional leaders to identify program team staffing needs • Collaborate...
Lockheed Martin
Mar 27, 2026
Industrial Engineer Senior (Level 3)
Lockheed Martin Fort Worth, TX, USA
Description: At Lockheed Martin Aeronautics, we are committed to delivering cutting-edge aerospace systems that support the safety and security of nations around the world. We are looking for a skilled Industrial Engineer Senior to join our team supporting Wing Systems. This role is pivotal in optimizing production processes by monitoring key metrics to drive continuous improvement, supporting our production customers and maintaining operational excellence. WHAT YOU WILL BE DOING? Production Process Optimization: • Enhance production activities by implementing analytical techniques and utilizing various data and data visualization tools. • Monitor production health metrics, ensuring timely identification of potential issues and areas for improvement. Project Management: • Lead projects focused on production efficiency and continuous improvement initiatives. • Collaborate with cross-functional teams to ensure the seamless integration of solutions into the production environment....
Lockheed Martin
Mar 25, 2026
Senior Staff AI/ML Engineer – Air Vehicle Systems
Lockheed Martin Fort Worth, TX, USA
Description: What if the next leap in air dominance doesn’t come from a single breakthrough, but from hundreds of smarter decisions, made faster, across engineering, testing, and operations? At Lockheed Martin Aeronautics, our Aero AI team builds trusted artificial intelligence that strengthens deterrence, accelerates engineering insight, and directly supports the warfighter. We don’t chase AI for its own sake. We apply it deliberately, where it meaningfully improves performance, survivability, and decision advantage. This role is for a senior, self-directed AI professional who can operate with a high degree of autonomy. Someone who doesn’t wait to be handed a problem, but instead seeks out opportunity, determines where AI adds value (and where it doesn’t), and delivers end-to-end solutions with minimal oversight. You'll work alongside air vehicle engineers to elevate how aircraft are designed, tested, sustained, and operated while also enabling intelligent onboard capabilities...
Lockheed Martin
Mar 24, 2026
Systems Engineer Senior - F-35 DPHM Business Operations
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Systems Engineer Senior - F-35 DPHM Business Operations for the DPHM Team which is responsible for overseeing the technical, schedule, and cost performance of the F-35 DPHM Capabilities Integration Team work scope. What You Will Be Doing As the Systems Engineer Senior - F-35 DPHM Business Operations you will be responsible for managing integrated work plans, guiding executing teams, and ensuring control account performance. Your responsibilities will include: Managing integrated work plans to ensure control account performance Guiding executing teams to achieve technical, schedule, and cost goals Overseeing the technical, schedule, and cost performance of the F-35 DPHM Capabilities Integration Team work scope Ensuring control account performance and making adjustments as necessary Collaborating with cross‑functional teams to achieve program objectives What’s In It For You We are committed to supporting your...
Lockheed Martin
Mar 24, 2026
Cyber Systems Security Engineer - Level 4
Lockheed Martin Fort Worth, TX, USA
Description: At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have the opportunities for a technical career been so limitless. The System Security Engineer candidate is responsible for ensuring that cyber security requirements are properly defined, decomposed, allocated, implemented, and assessed to produce a cyber-resilient security design solution for the target platform. This includes participating in working groups, design reviews, and formal artifact reviews alongside other Subject Matter Experts (SMEs) within the overall platform; and providing security expertise to ensure that cyber security is considered early in the product development lifecycle. Applicant is expected to conduct a range of cyber risk analysis and security assessment methods; implement patches and Security Technical Implementation...
Lockheed Martin
Mar 20, 2026
System Engineer, Safety Sr - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: You will be the System Safety Engineer for the System Safety Engineering Team which is responsible for ensuring the safety and mission success of the F‑22 aircraft. What You Will Be Doing As the System Safety Engineer you will be responsible for leading safety analyses and supporting the System Safety Program Plan throughout the aircraft development lifecycle. Your responsibilities will include: Conduct Functional Hazard Analysis, Fault Tree Analysis, Preliminary Hazard Analysis, System Safety Analysis, and Software Hazard Analysis. Develop, maintain, and execute the System Safety Program Plan. Perform quantitative and qualitative risk assessments and trade studies to optimize design choices and recommend controls. Coordinate system safety activities with design teams, suppliers, internal management, and external customers. Provide technical guidance on hazard mitigation and collaborate with adjacent disciplines to support program...
Lockheed Martin
Mar 20, 2026
Software Engineering Staff - Level 4
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin Lockheed Martin is seeking a highly experienced Software Engineer to design, develop, and implement a modern software framework for the F-35 Ground Systems Mission Planning Environment (MPE) project. The MPE is a critical component of the F-35 program, enabling all ground-based operations and playing a vital role in the successful execution of missions and overall operation of the aircraft. As a Senior member of the F-35 Ground Systems MPE Software team, the successful candidate will be responsible for guiding a team of Software Engineers in the design and development of a new contract aimed at modernizing the Mission Planning product and tools. This Senior role requires a deep understanding of software architecture, technical vision, and the ability to drive the successful implementation of this complex project. Who You Are The successful candidate will assume a technical senior software role, responsible for leading the software...
Lockheed Martin
Mar 20, 2026
Project Engineer - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: You will be the Project Engineer for the System Integration and Test team which is responsible for developing and delivering advanced system solutions that push the boundaries of aerospace technology. What You Will Be Doing As the Project Engineer you will be responsible for orchestrating project activities across multiple initiatives, translating technical concepts into actionable plans, and ensuring alignment with cost and schedule targets. Your responsibilities will include: Identifying and organizing work for each project. Building and maintaining integrated project schedules. Providing data to leadership to support cost and schedule management. Crafting strategies to effectively use both internal and external tools for workflow management. Collaborating with technical teams to create roadmaps and long‑range strategies. What’s In It For You We are committed to supporting your work‑life balance and overall well‑being,...
Lockheed Martin
Mar 19, 2026
Software Engineer Sr - Level 3
Lockheed Martin Fort Worth, TX, USA
Description: We are Lockheed Martin You will join the ADP Mission Systems DSO team as a Senior Software Engineer. In this role you will: What You Will Be Doing -Apply modern techniques to design and implement CI/CD pipelines. -Implement Infrastructure‑as‑Code (IaC) practices for reliable, repeatable deployments. -Lead key initiatives across the team. -Deploy, manage, and operate containerized applications within a Kubernetes environment. What’s In It For You: From onsite to remote, we offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin’s comprehensive benefits package here. Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus -if you have the passion and courage to dream big, work hard, and have fun doing what you...
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