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163 security clearance jobs found in Huntsville

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Lockheed Martin
Mar 17, 2026
Guidance, Navigation & Control Engineer II - Interim Secret clearance
Lockheed Martin Huntsville, AL, USA
Description: About Lockheed Martin Space: 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 About the Role: As a GNC Engineer, you will join the...
Lockheed Martin
Mar 17, 2026
Project Management - Early Career
Lockheed Martin Huntsville, AL, USA
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 diverse 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 is seeking an entry level employee interested in project leadership to support the implementation of the Upper Tier Integrated Air & Missile Defense (UTIAMD) THAAD Development program. The Upper Tier Integrated and Air Missile...
Lockheed Martin
Mar 17, 2026
Flight Sciences Thermal Engineer (Level 2)
Lockheed Martin Huntsville, AL, USA
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 Mechanical Engineer – Thermal Engineering (Level 2) will support the design,...
Lockheed Martin
Mar 17, 2026
Mechanical Designer
Lockheed Martin Huntsville, AL, USA
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 designer will work closely with engineers to provide component or portions of system...
Lockheed Martin
Mar 17, 2026
Mechanical Engineer Design Mid Career
Lockheed Martin Huntsville, AL, USA
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. Intercepting a bullet with a bullet while traveling at thousands of kilometers per second...
Lockheed Martin
Mar 17, 2026
Guidance Navigation and Control Intern
Lockheed Martin Huntsville, AL, USA
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 diverse 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 Space is seeking a Guidance Navigation and Control Summer Intern. In this role, you will apply missile guidance, navigation, and control expertise to modeling and simulation, support ongoing high fidelity model development, and...
Lockheed Martin
Mar 16, 2026
Program Planner Associate - Level 1 (entry level)
Lockheed Martin Huntsville, AL, USA
Description: Protecting what matters most is the mission that matters most. 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. Defending against...
Lockheed Martin
Mar 16, 2026
Program Planner Associate - Level 1 (entry level)
Lockheed Martin Huntsville, AL, USA
Description: Protecting what matters most is the mission that matters most. 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. Defending against...
Lockheed Martin
Mar 14, 2026
Manager, Flight Sciences – Aeronautical & Thermal
Lockheed Martin Huntsville, AL, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: Space is a critical domain—connecting our technologies, strengthening our security, and advancing humanity. While some view space as a destination, we see it as a domain of limitless possibility. It is where innovation accelerates, partnerships expand, and technology transforms the future. At Lockheed Martin Space, we harness the full potential of space to drive innovation, improve affordability, and push the boundaries of what technology can achieve. Guided by our 21st Century Security® vision, we are developing resilient, future-ready solutions that address the most complex challenges facing our nation and the world. Through collaboration across industries and global partnerships, we are advancing next-generation spacecraft and empowering the workforce that will shape tomorrow’s missions. Together, we are reimagining how space connects and protects our world—ensuring...
Lockheed Martin
Mar 14, 2026
Systems Engineer - Requirements and Verification
Lockheed Martin Huntsville, AL, USA
Description: "Ahead of Ready". The modern missile-threat landscape is characterized by increasing complexity and rapid evolution, making it essential to adopt a multifaceted defense approach. At Lockheed Martin, we recognize the critical importance of developing and integrating advanced solutions to protect people and nations worldwide. Detecting an enemy missile launch, identifying its intended target, calculating its precise trajectory, launching an interceptor, and guiding it to successfully destroy the threat in mid-air is an extraordinarily complex and challenging task. It demands a seamless integration of advanced technologies, sophisticated systems, and highly skilled personnel. The Lockheed Martin Next Generation Interceptor (NGI) team is seeking an experienced Systems Engineer - Requirements and Verification to be part of a team developing missile defense technology that could forever change our ability to deter and respond to adversity. Roles and...
Lockheed Martin
Mar 14, 2026
Loads and Dynamics Engineer Staff (Level 4)
Lockheed Martin Huntsville, AL, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: Space is entering a new era—and Lockheed Martin Space is helping lead it. Our engineers, scientists, and innovators are solving some of the world’s most complex technical challenges while building the spacecraft and technologies that protect nations, advance discovery, and expand what’s possible beyond Earth. At Lockheed Martin, your work has real impact. Every day our teams design and deliver satellites and spacecraft that: • Provide early warning for severe weather and global threats • Connect troops and critical missions across the globe • Enable GPS navigation for billions of people • Support exploration and scientific discovery beyond our planet But going to space is just the beginning. What matters most is what happens once we get there. We’re developing the next generation of intelligent satellites—spacecraft that operate like “smartphones in orbit,” with...
Lockheed Martin
Mar 14, 2026
Aeronautical Engineer Staff - Hypersonics (Level 4)
Lockheed Martin Huntsville, AL, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: Space is entering a new era—and Lockheed Martin Space is helping lead it. Our engineers, scientists, and innovators are solving some of the world’s most complex technical challenges while building the spacecraft and technologies that protect nations, advance discovery, and expand what’s possible beyond Earth. At Lockheed Martin, your work has real impact. Every day our teams design and deliver satellites and spacecraft that: • Provide early warning for severe weather and global threats • Connect troops and critical missions across the globe • Enable GPS navigation for billions of people • Support exploration and scientific discovery beyond our planet But going to space is just the beginning. What matters most is what happens once we get there. We’re developing the next generation of intelligent satellites—spacecraft that operate like “smartphones in orbit,” with...
Lockheed Martin
Mar 13, 2026
Environment, Safety, and Health Manager
Lockheed Martin Huntsville, AL, USA
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 successful candidate will: · Lead a staff of Environment, Safety and Health (ESH)...
Lockheed Martin
Mar 13, 2026
Metrics and Training Analyst - Mid Career
Lockheed Martin Huntsville, AL, USA
Description: What We’re Doing Lockheed Martin is developing innovative solutions to meet the evolving needs of our customers. As a leader in the defense and aerospace industry, we are committed to delivering high-quality products that exceed expectations. Who We Are Our Team, the Modeling and Simulation Contract for Framework and Tools (MASC-F) team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. The Work The Metrics and Training Coordinator will be responsible for managing and analyzing metrics and indicators to support program decision-making and improvement. The Metrics and Training Coordinator will also coordinate and track program training. Ensure all required training is completed on time and aid in developing and refining training. The successful candidate will have experience in metrics development, data analysis, and reporting, as well as excellent communication and project management skills. Your...
Lockheed Martin
Mar 12, 2026
Mid-Career Propulsion Engineer
Lockheed Martin Huntsville, AL, USA
Description: Come join our team as our next Propulsion Engineer! In this role you will support the engineering team by conducting on-site integration including design, development, manufacturing, test, and integration for flight as well as ground systems. Your duties will include responsibility for subcontractor interface, design, manufacture, procurement and test for propulsion system components and assemblies. This job requires coordinating with customers, suppliers, test facilities, and other related fields including manufacturing, subcontracts, quality, structure design, analysis, systems engineering, and integration with affected subsystems and facilities. Other duties may include, • Participate in shop floor and production hardware processing on-site at partner facilities. Provide input to address nonconforming hardware, process planning, support production meetings, and work with supply chain to assure that design requirements are met. •Support Subsystem Integration...
Lockheed Martin
Mar 12, 2026
Mid-Career Propulsion Engineer
Lockheed Martin Huntsville, AL, USA
Description: Come join our team as our next Propulsion Engineer! In this role you will support the engineering team by conducting on-site integration including design, development, manufacturing, test, and integration for flight as well as ground systems. Your duties will include responsibility for subcontractor interface, design, manufacture, procurement and test for propulsion system components and assemblies. This job requires coordinating with customers, suppliers, test facilities, and other related fields including manufacturing, subcontracts, quality, structure design, analysis, systems engineering, and integration with affected subsystems and facilities. Other duties may include, • Participate in shop floor and production hardware processing on-site at partner facilities. Provide input to address nonconforming hardware, process planning, support production meetings, and work with supply chain to assure that design requirements are met. •Support Subsystem Integration...
Lockheed Martin
Mar 12, 2026
Mid-Career Propulsion Engineer
Lockheed Martin Huntsville, AL, USA
Description: Come join our team as our next Propulsion Engineer! In this role you will support the engineering team by conducting on-site integration including design, development, manufacturing, test, and integration for flight as well as ground systems. Your duties will include responsibility for subcontractor interface, design, manufacture, procurement and test for propulsion system components and assemblies. This job requires coordinating with customers, suppliers, test facilities, and other related fields including manufacturing, subcontracts, quality, structure design, analysis, systems engineering, and integration with affected subsystems and facilities. Other duties may include, • Participate in shop floor and production hardware processing on-site at partner facilities. Provide input to address nonconforming hardware, process planning, support production meetings, and work with supply chain to assure that design requirements are met. •Support Subsystem Integration...
Lockheed Martin
Mar 12, 2026
Systems Engineer Staff - SE&IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • Leading systems engineering trades, analysis, and studies related to requirements generation • Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL) THE WORK • The Systems Engineering and Integration Team is seeking a Radar Electromagnetic Warfare Analyst. The Radar Electromagnetic Warfare Analyst will support analysis and modeling activities focused on electromagnetic warfare applications for missile defense systems. The role includes conducting special studies, analyzing radar electromagnetic protection techniques, and contributing to the development and use of MATLAB-based simulation tools that model radar and electronic warfare interactions at the in-phase and quadrature (I/Q) signal level. • This position operates in a classified environment and supports engineering analysis...
Lockheed Martin
Mar 12, 2026
Systems Engineer Sr. Staff - SE&IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • Leading systems engineering trades, analysis, and studies related to requirements generation • Developing and delivering MDS capabilities and engineering artifacts into the Technical Baseline (TBL) THE WORK • The Systems Engineering and Integration Team is seeking a Radar Electromagnetic Warfare Analyst. The Radar Electromagnetic Warfare Analyst will support analysis and modeling activities focused on electromagnetic warfare applications for missile defense systems. The role includes conducting special studies, analyzing radar electromagnetic protection techniques, and contributing to the development and use of MATLAB-based simulation tools that model radar and electronic warfare interactions at the in-phase and quadrature (I/Q) signal level. • This position operates in a classified environment and supports engineering analysis...
Lockheed Martin
Mar 12, 2026
Systems Engineer Sr.- SE&IT
Lockheed Martin Huntsville, AL, USA
Description: WHAT WE'RE DOING • Advancing the Integrated Discrimination and Electronic Protection capabilities of the Missile Defense System (MDS) • The Systems Engineering and Integration Team is seeking a Radar Electromagnetic Warfare Analyst. The Radar Electromagnetic Warfare Analyst will support engineering studies and modeling efforts related to electromagnetic warfare applications for missile defense systems. The role focuses on assisting with the development and use of MATLAB-based simulations that model radar signals and electronic warfare interactions at the in-phase and quadrature (I/Q) level. • This position provides an opportunity to develop expertise in radar systems, electronic attack and protection techniques, and RF propagation modeling while working within a classified engineering environment. Key Responsibilities • Support engineering studies related to electromagnetic warfare and radar electromagnetic protection. • Assist in the development and execution of...
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