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77 senior systems engineer level 3 jobs found

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Security Clearance Lockheed Martin senior systems engineer level 3
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Lockheed Martin
Jun 25, 2026
Senior Systems Engineer, Level 3
Lockheed Martin Cape Canaveral, FL
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! The FBM Program is experiencing significant growth, and we are currently seeking a Senior...
Lockheed Martin
Jul 02, 2026
Systems Engineer Senior (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. OVERVIEW: 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. What does this role look like? Within LM Space, the Echo Program...
Lockheed Martin
Mar 14, 2026
Embedded Systems Security Engineer, Senior - Level 3
Lockheed Martin Orlando, FL
Description: You will be a Cyber Systems Security EMBEDDED Engineer in the Program Protection Organization. Our organization oversees all aspects of Anti-Tamper and embedded Cybersecurity across Missiles and Fire Control. We are chartered with providing the skills and innovative technologies to develop, design, produce and sustain secure products across our Lines of Business. What You Will Be Doing As the Cyber Systems Security Engineer you will be responsible for providing embedded System Security Engineering design and implementation in all aspects of System Security Engineering (SSE) process in development of Department of Defense (DoD) Weapon Systems. Your responsibilities will include: • Assessing and mitigating System Security threats/risks throughout the embedded Weapon System development life cycle. • Validating System Security Engineering requirements decomposition, allocation and analysis for embedded Weapon Systems. • Implementing System Security Engineering...
Lockheed Martin
Jul 07, 2026
Cyber Policy and Strategy Planner Junior - Clearance Required
Lockheed Martin MD
Description: WHO WE ARE Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK The scope of this effort encompasses tasks that provide USCYBERCOM with the sustained ability to fulfill its mission to direct, synchronize, and coordinate cyberspace planning and operations to...
Lockheed Martin
Jul 07, 2026
Cyber Policy and Strategy Planner Journeyman - Clearance Required
Lockheed Martin MD
Description: WHO WE ARE Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK The scope of this effort encompasses tasks that provide USCYBERCOM with the sustained ability to fulfill its mission to direct, synchronize, and coordinate cyberspace planning and operations to...
Lockheed Martin
Jul 07, 2026
Cyber Policy and Strategy Planner Senior - Clearance Required
Lockheed Martin MD
Description: WHO WE ARE Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK The scope of this effort encompasses tasks that provide USCYBERCOM with the sustained ability to fulfill its mission to direct, synchronize, and coordinate cyberspace planning and operations to...
Lockheed Martin
Jul 02, 2026
Lead Electrical Power Engineer
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work Successful can will: The Level 4 Power Systems Engineer is a senior technical contributor...
Lockheed Martin
Jul 02, 2026
DevSecOps Engineer, Sr. - Embedded, Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. As a Senior Software Engineer at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies...
Lockheed Martin
Jun 25, 2026
Senior Software Engineer
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work The Lockheed Martin Rotary & Mission Systems Senior Software Engineer will have the...
Lockheed Martin
Jun 24, 2026
Systems Engineer, Sr - Weapon Products
Lockheed Martin Mount Laurel Township, NJ
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary and Mission Systems is seeking a Full-Time Senior System Engineer. In this role, you will work on Combat System development and test execution as individual contributor in the Weapon Products. The successful candidate will have knowledge or experience in System Engineering of Weapons Control Systems product supporting Ballistic Missile Defense (BMD) and Anti-Air Warfare (AAW) programs to meet cost and schedule. Must be a US Citizen. This position will require a government security clearance. This position is located at a facility that requires special access. Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to...
Lockheed Martin
Jun 19, 2026
Aircraft Field Support Engineer Staff, F-35 - Level 4
Lockheed Martin Hill Air Force Base, UT
Description: Our 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 30,000 has pre-eminent expertise in advanced aircraft design and production, modification and support, stealth technology and systems integration. Join the Lockheed Martin Aeronautics Company as an Aircraft Field Service Engineer (FSE) on our Aeronautics Field Sustainment (AFS) team! This FSE position directly supports 3 different combat F-35 squadrons at Hill Air Force Base (AFB), UT. What You Will Be Doing: As a Nose to Tail (NTT) FSE, the preferred candidate will be a subject Matter Expert (SME) in Avionics/Mission Systems (MS). It is desired the individual also be an emerging authority in Supportable Low Observable (SLO)/Structures, with the skill...
Lockheed Martin
Jun 19, 2026
Sr Mass Properties Engineer
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. Mass Properties Engineering is the art and science of predicting the mass properties of...
Lockheed Martin
Jun 09, 2026
Electro-Optical Engineer Senior Stf - Directed Energy
Lockheed Martin Owego, NY
Description: WHAT WE’RE DOING At Lockheed Martin Rotary and Mission Systems Business Area, our portfolio features more than 1,000 programs, including helicopters, integrated air and missile defense, littoral warfare, undersea warfare, radar, electronic warfare, cyber solutions, C4ISR, and training and logistics systems. The business area supports the U.S. Air Force, U.S. Army, U.S. Coast Guard, U.S. Marine Corps, U.S. Navy and Missile Defense Agency, as well as intelligence, civil, commercial and international military customers. WHO WE ARE Lockheed Martin: An Award-Winning Place to Work THE WORK We are seeking an experienced electro-optical engineer to support the optimization and performance of high energy laser assemblies for full rate manufacturing. The successful candidate will oversee a team of engineers and technicians providing technical expertise and guidance. In this role, you will help guide the standup of optimized fabrication and testing, help validate...
Lockheed Martin
Jun 09, 2026
Cybersecurity Anti-Tamper Senior Engineer
Lockheed Martin Moorestown, NJ
Description: WHAT WE’RE DOING At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. THE WORK The Cyber Systems Security Engineering team in Moorestown, NJ is seeking a senior Electrical or Computer Engineer to design, develop, and sustain hardware based anti tamper solutions that safeguard critical military technology. You will work closely with cross functional engineers, program managers, and customers to ensure security requirements are met and to evaluate emerging threat vectors. In this role you will: • Develop and implement hardware anti tamper architectures that protect mission critical systems. • Verify system design requirements and...
Lockheed Martin
Jun 02, 2026
Sustainment Engineer Sr.
Lockheed Martin Orlando, FL
Description: You will be the Senior Sustainment Engineer supporting life cycle cost estimating, affordability analysis, and sustainment strategy development. Our team is responsible for ensuring systems remain affordable, supportable, and operationally effective throughout their entire lifecycle by developing logistics solutions, evaluating sustainment costs, and identifying opportunities to improve long-term support outcomes. What You Will Be Doing As the Senior Sustainment Engineer, you will serve as the sustainment, life cycle cost, operations and support, and affordability engineer responsible for supporting the development and execution of sustainment and logistics support strategies. You’ll play a critical role in evaluating the affordability and effectiveness of system support solutions from development through fielding, operations, maintenance, and long-term depot sustainment. Your responsibilities will include: • Performing logistics analysis, including level of repair...
Lockheed Martin
May 29, 2026
Embedded Senior Software Engineer / Embedded / C++ / Orlando, FL
Lockheed Martin Orlando, FL
Description: This is a multi-hire position for a variety of highly embedded and sensor driven programs. These programs are notable programs such as JASSM, LRASM, EOTS and many more classified programs that are in need of engineers with experience writing drivers, working in hardware abstraction layer architectures and are familiar with microservice style architectures. We want you, if you enjoy writing command and control code for sensors and doing hardware software integration in classified labs. This position is responsible for all phases of the software development lifecycle including requirements analysis, design, code and unit test, and hardware/software integration and verification. The individual will develop embedded software in C++ and embedded operating system in an Agile environment using JIRA, Git and Confluence. The individual will need to apply appropriate standards, processes, procedures and tools throughout the development lifecycle. Lockheed Martin is a...
Lockheed Martin
May 29, 2026
Electro-Optical Sr Engineer -Orlando
Lockheed Martin Orlando, FL
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. We are seeking an Electro-Optical (EO) Engineer who is passionate about EO and can apply technical skills to develop optimized solutions for complex challenges. What You Will Be Doing Your skill set should include physics-based modeling, FLIR characterizations, image processing and/or algorithm development. The EO Engineer must understand the sensitivities associated with the various parts of the imaging chain to quickly and effectively perform system design trades. Must be willing to increase technical depth and breadth in EO as a path towards becoming a...
Lockheed Martin
May 29, 2026
UI / Mission Planning Software Engineer, Senior / C++ - Orlando, FL
Lockheed Martin Orlando, FL
Description: You will be a Senior Software Engineer on our team at Lockheed Martin. Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. What You Will Be Doing The role will require and focus on building...
Lockheed Martin
May 23, 2026
1LMX DevSecOps, Senior / C++ - Orlando, FL
Lockheed Martin Orlando, FL
Description: Lockheed Martin’s Software Factory, a leader in DevSecOps-driven software engineering serving the aerospace and defense sectors. The Lockheed Martin Software Factory delivers customized solutions to meet the needs of our diverse customers — from commercial to classified — in order to scale across multiple programs. Embedding (Development, Security and Operations) DevSecOps in every step of our software development keeps our clients at the cutting edge of cybersecurity. Secure coding is a fundamental principle behind our DevOps philosophy to make sure the best cyber security practices are considered at every step of development. We are focused on architecting software for frequent delivery. Modular open systems architecture has been key to our systems for many years, and we are using new technologies such as container orchestration with Kubernetes to drive modularity through containerized microservice architecture all the way into the deployed system. Not only does...
Lockheed Martin
May 23, 2026
Systems Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Want to work with cutting-edge technologies in a fun, fast-paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Systems Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Lockheed Martin Rotary and Mission Systems supporting the Tactical Tomahawk Weapons Control System (TTWCS) program in Valley Forge, PA. THE WORK We are in search of an experienced Systems Engineer to join our team. As an Engineering Professional on the TTWCS program, you will perform system engineering efforts leading change packages to the existing software system, performing requirements development, interface design, system architecture, and aid in the design and development of future systems. The work location will be in...
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