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121 security clearance jobs found

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Lockheed Martin
May 01, 2026
Field Sales Support Systems Engineer Manager - Level 5
Lockheed Martin MD
Description: Enjoy a rewarding career with Lockheed Martin Aeronautics Field Sustainment (AFS) supporting operations in a very active and high operational tempo Site Manager position for the United States Navy at Naval Air Station (NAS) Patuxent River, Maryland. Our team is responsible for overseeing all on-site F-35 contractor support operations at NAS Patuxent River and will be the primary customer liaison to United States Navy leadership at NAS Patuxent River. What You Will Be Doing F-35 Field Sales Support Systems Engineer Manager for the System Design and Development (SDD) Follow on Modernization and Continuous Capability Development and Delivery (C2D2) Programs and Field Engineering Service (FSE) L-code manager. Responsible for coordinating subordinate employee recruitment for both C2D2 and the FSE team, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions. Responsible for Sales, Orders and Long Range Plan...
Lockheed Martin
Apr 30, 2026
Senior Hardware Engineer (OCONUS/Shift) - Clearance Required
Lockheed Martin Bethesda, MD
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING 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. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented Sr. Hardware Engineer with a TS/SCI w/ Poly clearance to work from an OCONUS location . This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require...
Lockheed Martin
Apr 30, 2026
Hardware Engineer Senior (OCONUS/Day Staff )
Lockheed Martin Bethesda, MD
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING 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. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented Hardware Engineer with a TS/SCI w/ Poly clearance to work from an OCONUS location . This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require 3+...
Lockheed Martin
Apr 30, 2026
Machinist/Tool and Die Maker
Lockheed Martin Lexington Park, MD
Description: What You Will Be Doing: This position supports avionics research, development, prototype, production, test, and maintenance activities at the Patuxent Engineering Facility (PEF). This position is for a machinist/tool and die maker technician in the fabrication shop. This position is located in Lexington Park, MD. Job responsibilities include but are not limited to: - Fabrication of panels, enclosures, and prototype and production parts metalwork. - Reading and interpreting engineering drawings, including schematics, assembly drawings and interpreting digital 3D models and determining material requirements as needed to manufacture and assemble components in accordance requirements and engineering direction. - Other tasks as directed by management What’s In It For You: : 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...
Lockheed Martin
Apr 29, 2026
Autonomy / AI Software and Systems Architect Senior
Lockheed Martin Bethesda, MD
Description: When it comes to cutting edge machine learning to tackle complex problems, Lockheed Martin is driven by a singular mission focus and desire to continuously innovate. Today’s challenges to global security aren’t just changing – They’re accelerating faster than ever before. Through our dedication to our mission, our AI-enabled systems are changing the way militaries operate and protect their forces, the way first responders fight fires, and how researchers explore the far reaches of space and the ocean’s depths. The Lockheed Martin Artificial Intelligence Center (LAIC) team is seeking an individual with a strong working knowledge in software engineering, Python, C++, and STAR.OS knowledge to support the Applied AI Mission Management team and product portfolio focusing on Cogniverse Mission Management. The team is focused on developing small, innovative teams to rapidly iterate and mature solutions from prototypes to production for utilization across the enterprise and...
Lockheed Martin
Apr 29, 2026
Ground Systems Engineer Level 3
Lockheed Martin MD
Description: We are Lockheed Martin 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. Lockheed Martin Aeronautics Company, home of the world-renowned Skunk Works®, turns visionary aircraft into reality and is known for building the finest military aircraft in the world. This recognition is continually earned through our commitment to relentless research and development of high-performance aircraft, continuously seeking innovative, low-cost design and manufacturing strategies, and delivering operational readiness for our customers' missions to ensure continued relevancy for the life cycle of our products. The Skunk Works (Lockheed Martin Advanced Development Program) is looking for world class talent in SYSTEMS FIELD ENGINEERING to be a part of...
U. S. National Security Agency
Apr 29, 2026
Information Systems Security Engineer - Entry Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: Information System Security Professionals at NSA play a vital role in in the architecting, designing, operating, defending, and maintaining secure state of the art Information Technology (IT) systems executing NSA's SIGINT and Cybersecurity missions. NSA is advancing technology to deliver mission outcomes. As such, Cybersecurity Professionals have the opportunity to work across a broad set of technologies including commercial cloud fabrics, artificial intelligence, high performance computing, and advanced cryptographic systems. These personnel are involved in the full life cycle of systems: designing, maintaining and monitoring the systems so they can be protected from the most sophisticated nation-state adversaries. Some examples of tasks include: - Design system/network architectures to enforce levels of confidentiality, integrity and availability - Ability to implement systems engineering principles/methodology - Define and manage remediation plans across...
U. S. National Security Agency
Apr 29, 2026
Information Systems Security Engineer - Mid to Expert Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: Information System Security Professionals at NSA play a vital role in in the architecting, designing, operating, defending, and maintaining secure state of the art Information Technology (IT) systems executing NSA's SIGINT and Cybersecurity missions. NSA is advancing technology to deliver mission outcomes. As such, Cybersecurity Professionals have the opportunity to work across a broad set of technologies including commercial cloud fabrics, artificial intelligence, high performance computing, and advanced cryptographic systems. These personnel are involved in the full life cycle of systems: designing, maintaining and monitoring the systems so they can be protected from the most sophisticated nation-state adversaries. Some examples of tasks include: - Design system/network architectures to enforce levels of confidentiality, integrity and availability - Ability to implement systems engineering principles/methodology - Define and manage remediation plans across...
Lockheed Martin
Apr 28, 2026
Offensive Cyber Analyst / Programmer 1
Lockheed Martin MD
Description: This position may be eligible for a $25K sign on bonus for external hires! What We’re Doing: Lockheed Martin, 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. You’ll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber | Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and networks? Do you find satisfaction in crafting innovative solutions to stay one step ahead of the adversary? If so, join Lockheed Martin Cyber & Intelligence's elite Offensive Cyber team, where we don't just test defenses - we pioneer the techniques, tools, and exploits that define the cutting edge of offensive cyber operations. Why Join Us: Your Health, Your Wealth, Your Life Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy,...
Lockheed Martin
Apr 28, 2026
Offensive Cyber Analyst / Programmer 1
Lockheed Martin MD
Description: This position may be eligible for a $25K sign on bonus for external hires! What We’re Doing: Lockheed Martin, 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. You’ll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber | Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and networks? Do you find satisfaction in crafting innovative solutions to stay one step ahead of the adversary? If so, join Lockheed Martin Cyber & Intelligence's elite Offensive Cyber team, where we don't just test defenses - we pioneer the techniques, tools, and exploits that define the cutting edge of offensive cyber operations. Why Join Us: Your Health, Your Wealth, Your Life Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy,...
Lockheed Martin
Apr 28, 2026
Expert Offensive CNO Software Developer
Lockheed Martin MD
Description: What We’re Doing: Lockheed Martin, 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. You’ll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber | Lockheed Martin The Work: A Expert Offensive CNO Software Engineer does work that requires a highly skilled individual with expertise in computer network operations, programming, and analysis. Key responsibilities include designing, developing, and testing software applications, as well as analyzing and troubleshooting complex computer networks. Ideally you'll have experience with programming languages such as Java, C++, and Python, as well as knowledge of computer network protocols and architectures. Who We are: Ready to make a real impact in the world of cybersecurity? Join Lockheed Martin Cyber & Intelligence's Offensive Cyber community and be at the...
Lockheed Martin
Apr 28, 2026
F-35 Avionics & Instrument Technician (2nd or 3rd shift)
Lockheed Martin MD
Description: This position will be part of the aircraft maintenance team supporting the JSF program at the Patuxent River flight test site. This position will require employee to work in a team environment maintaining F-35 aircraft. Tasks will include items such as aircraft Inspection, servicing, repair, overhaul, modification, fabrication and weapon loading as required. What You Will Be Doing Embark on a career that sets you amongst the elite group of technicians supporting the F-35 program at Patuxent River. This role goes beyond the traditional scope of aircraft maintenance; it immerses you in a world where you will maintain, modify, inspect, and troubleshoot the cutting-edge F-35 aircraft, both scheduled and unscheduled. You're not just working on any aircraft; you're ensuring the peak performance of a machine at the forefront of aviation technology. As an Avionics & Instrumentation Technician, you may also: • Engage in all facets of F-35 maintenance, embodying both...
General Dynamics Mission Systems, Inc
Apr 27, 2026
Senior Principal Electrical-Optics Engineer
General Dynamics Mission Systems, Inc MD
Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience.     CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/SCI with Polygraph security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As a Senior Principal Electro-Optics Engineer, you will architect, design, develop, build, and test systems and new products involving advanced photonic and laser technologies. The breadth of these projects includes...
Lockheed Martin
Apr 24, 2026
Cyber System Engineer Architect
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! code-extrefer This position may be eligible for up to $25K sign on bonus for external hires! WHAT WE'RE DOING: / Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. 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 Cyber System Engineer Architect is in an extremely customer facing role leading multi...
Lockheed Martin
Apr 24, 2026
Capabilities Development Engineer - Clearance Required
Lockheed Martin MD
Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Capabilities Development Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Capabilities Development Engineer, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions...
Lockheed Martin
Apr 24, 2026
Sr Capabilities Development Engineer - Clearance Required
Lockheed Martin MD
Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Sr. Capabilities Development Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Sr. Capabilities Development Engineer, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions...
Lockheed Martin
Apr 23, 2026
Program Financial Analyst- Early Career
Lockheed Martin MD
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. WHO WE ARE At Lockheed Martin Rotary and Mission Systems (RMS), we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach and yours...
General Dynamics Mission Systems, Inc
Apr 23, 2026
Intern - Systems Engineer
General Dynamics Mission Systems, Inc Greenbelt, MD
Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology.  JUNIOR / SENIOR STUATUS - Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, or other related scientific or technical discipline. ( WORK ONSITE GREENBELT MD).   Department of Defense Secret security clearance is preferred at time of hire. Candidates must be able to obtain a Secret clearance within a reasonable amount of time from date of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position REPRESENTATIVE DUTIES AND TASKS: Apply your classroom-learned skills to a program...
Lockheed Martin
Apr 22, 2026
Classified Finance Auditor Senior - Business Leadership
Lockheed Martin Bethesda, MD
Description: Lockheed Martin Internal Audit is excited to offer a unique opportunity that combines the flexibility of remote work with the opportunity to travel to different locations. What You Will Be Doing As a Classified Finance Auditor Senior, you will be joining a team that is conducting high impact audit engagements, ensuring that classified programs are executed with the utmost accountability, transparency, and mission focus. The Finance auditor will be focused on all finance related projects within the classified group, including but not limited to, classified Sarbanes-Oxley (SOX) testing as well as Ernst & Young (EY) audit support. While you won't be tied to a traditional office, you will have the opportunity to travel to various Lockheed Martin sites. This role offers up to 75% travel, which means you'll have the chance to experience new places, and ways of working. You might find yourself working on a project in our facilities in California one week, and...
Lockheed Martin
Apr 22, 2026
Classified Finance Auditor Staff - Business Leadership Program
Lockheed Martin Bethesda, MD
Description: Lockheed Martin Internal Audit is excited to offer a unique opportunity that combines the flexibility of remote work with the opportunity to travel to different locations. What You Will Be Doing As a Classified Finance Auditor Staff, you will be joining a team that is conducting high impact audit engagements, ensuring that classified programs are executed with the utmost accountability, transparency, and mission focus. The Finance auditor will be focused on all finance related projects within the classified group, including but not limited to, classified Sarbanes-Oxley (SOX) testing as well as Ernst & Young (EY) audit support. While you won't be tied to a traditional office, you will have the opportunity to travel to various Lockheed Martin sites. This role offers up to 75% travel, which means you'll have the chance to experience new places, and ways of working. You might find yourself working on a project in our facilities in California one week, and...
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