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28 senior security engineer jobs found

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United States senior security engineer Maryland
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Lockheed Martin
Apr 01, 2026
Cyber Systems Engineer - Senior
Lockheed Martin MD, USA
Description: WHAT WE'RE DOING 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 As a Systems Engineer - Senior Level, you will be responsible for: Innovating RF signal processing applications Facilitating the integration of new and legacy software across a variety of...
Lockheed Martin
Mar 31, 2026
Program Coordinator
Lockheed Martin MD, USA
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure quality of products. The process includes DAT,...
Lockheed Martin
Mar 31, 2026
RF Engineer
Lockheed Martin Severn, MD, USA
Description: Join us at Lockheed Martin as a Radio Frequency (RF) Engineer working for one of the top companies in the world. You will be part of a fast-paced group within the Lockheed Martin Space division, working with an interdisciplinary engineering team supporting design of high-performance, high-reliability hardware for both space and terrestrial applications. In this role you will join our team in Severn, MD and be responsible for the research, design, and test of RF components, equipment, and systems. Projects may include design of communications systems (Software Defined Radio), Space-flight systems, and other interesting and challenging projects that support critical customer missions. Designs may be driven by low SWaP (Size, Weight, and Power) objectives, environmental concerns, and other issues that require novel solutions. What You’ll Do • Concept & Requirements – Develop system requirements, derive link budgets, estimate antenna performance perform, conduct...
Lockheed Martin
Mar 29, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD, USA
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure quality of products. The process includes DAT,...
General Dynamics Mission Systems, Inc
Mar 27, 2026
Senior Principal Systems Engineer
General Dynamics Mission Systems, Inc MD, USA
Basic Qualifications Requires a Bachelor’s degree in Systems 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. Agile experience preferred.     CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Secret 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 Systems Engineer, you will work alongside a team of highly talented hardware and software engineers to build new technologies to counter threats of tampering, reverse engineering, and supply chain exploits....
U. S. National Security Agency
Mar 25, 2026
Safety Specialist - Mid to Experienced Level (MD, HI)
U. S. National Security Agency Fort Meade, MD, USA
Responsibilities: NSA is hiring for two Safety Specialist positions: one in Fort Meade, Maryland, and one in Wahiawa, Hawaii. 1) Responsibilities for Maryland position: Develop, engineer, and implement occupational safety and health policies, programs, and procedures to meet applicable laws, regulations, and standards. Required to be knowledgeable in the application of Occupational Safety and Health (OSH) policies, programs, and procedures to provide Agency organizations with the information, education, and oversight to effectively implement applicable OSH policies, programs, and procedures to minimize risk in the work place. The following details the estimated percentage of effort per focus area, and associated major duties: Occupational Safety and Health (100%) ' Develop, engineer, and implement occupational safety and health policies, programs, and procedures to meet applicable NSA Policies and Program Manuals, DoD Instructions, and regulatory requirements. Required to be...
U. S. National Security Agency
Mar 25, 2026
Assistive Technology / Engineering and Physical Sciences Researcher - Mid to Experienced Level (Maryland)
U. S. National Security Agency Fort Meade, MD, USA
Responsibilities: If you're skilled in Assistive Technology (AT) hardware and software, and have a knack for creating innovative solutions that promote IT accessibility as per Section 508 guidelines to support People with Disabilities (PWD), consider a role in NSA's Office of Reasonable Accommodations and Accessibility (ORAA). Our AT Engineers address diverse challenges to ensure NSA's employees and applicants with disabilities can fully participate in our mission areas. Join a proactive team that integrates assistive technology with applications, networks, and systems. As an AT Engineer, your responsibilities will include: - Partnering with technical teams to uphold the integrity and accountability of AT systems and equipment. - Collaborating with disabled employees and applicants, alongside IT and Security colleagues, to implement assistive technology within a complex, secure environment. - Striving to make business and mission applications accessible to users of all...
Lockheed Martin
Mar 18, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD, USA
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure quality of products. The process includes DAT,...
Lockheed Martin
Mar 18, 2026
Sr Mechanical Engineer - Electronics Packaging
Lockheed Martin Severn, MD, 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 Senior Mechanical Engineer experienced in electronics packaging. Roles & Responsibilities: - 3D CAD (Creo) design and drafting of mechanical/electro-mechanical components and assemblies with a focus...
Lockheed Martin
Mar 06, 2026
Test Engineering Manager
Lockheed Martin Severn, MD, USA
Description: Are you a highly motivated and technically competent senior-level engineer interested in leading our test engineering functional group? Are you interested in leading a team developing test plans and conducting tests for space radar/RF applications from concept to prototype to production? Does working in partnership with our in-house SMT line and testing using our on-site shock, vibration, thermal/vacuum and anechoic RF test facilities for rapid technology development sound exciting? If so, we offer a great opportunity for you as our Test Engineering Functional Manager. We have the corporate investment, infrastructure, subject matter experts, and strategic focus to enable you to be successful. The Test Engineering Functional Manager (TEFM) will be onsite at our Severn, MD location. This individual will be responsible for understanding project schedules and requirements, and assigning resources to these projects. The TEFM assesses future resource needs and proactively...
Lockheed Martin
Mar 05, 2026
Senior FPGA Developer
Lockheed Martin Severn, MD, USA
Description: The mission matters. So do the people behind it. With advancing defense technology at our core, what sets us apart is a culture of collaboration, purpose, and impact. What is the mission? 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...
Lockheed Martin
Mar 05, 2026
Senior Printed Circuit Board (PCB) Designer
Lockheed Martin Severn, MD, USA
Description: The mission matters. So do the people behind it. With advancing defense technology at our core, what sets us apart is a culture of collaboration, purpose, and impact. What is the mission? 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...
General Dynamics Mission Systems, Inc
Mar 04, 2026
Senior Principal Systems Engineer
General Dynamics Mission Systems, Inc MD, USA
Basic Qualifications Requires a Bachelor’s degree in Systems 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. Agile experience preferred.   CLEARANCE REQUIREMENTS: 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-Level Systems Engineer for CISR, you’ll be a lead member of cross-functional hardware and system design teams responsible for the realization of complex computing and communications systems. You’ll make...
Lockheed Martin
Feb 27, 2026
Sr Full Stack Software Engineer - Clearance Required
Lockheed Martin MD, USA
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 Senior Full Stack Software Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Senior Full Stack Software 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...
General Dynamics Mission Systems, Inc
Feb 25, 2026
Senior ASIC Digital Design Engineer
General Dynamics Mission Systems, Inc MD, USA
Basic Qualifications Education Requirements: Requires a Bachelor’s degree in Electrical or Computer Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience.     Clearance Requirements: Ability to obtain a Department of Defense Secret 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 Knowledge, Skills and Abilities:   What You’ll Get to Do : Lead a team of digital design engineers to create a security system on a chip. Collaborate with team members and across teams to explore and clearly identify real...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Advanced Electro-Optic Design Engineer
General Dynamics Mission Systems, Inc MD, USA
Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience.   CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/SCI 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 As a Senior Advanced Electro-Optic Design Engineer, you’ll design, develop, build and test systems and products based on optic, photonic and laser technologies. This involves interacting with device, hardware and software design teams to assist in the overall development of...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Principal Electrical Engineer
General Dynamics Mission Systems, Inc MD, USA
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-Level Electrical Engineer for SC&I, you’ll be a lead member of cross-functional hardware and system design teams responsible for the realization of complex computing and communications systems. You’ll major...
Lockheed Martin
Feb 11, 2026
AI Sales Engineer - Public Sector
Lockheed Martin Bethesda, MD, USA
Description: The Astris AI Government & Public Sector Sales Engineer serves as the critical technical bridge between our Generative AI, Agentic AI, and MLOps solutions and prospective customers across federal, defense, intelligence community, and state/local government agencies. This role combines deep technical expertise in modern AI/ML technologies with an understanding of government procurement processes, security requirements, and mission-critical deployment environments. Sales Engineers work closely with Account Executives and Capture Managers to understand agency requirements, navigate authority-to-operate (ATO) processes, deliver compelling technical demonstrations, and architect solutions that drive AI adoption within secure, compliant, and often air-gapped environments. This role is essential to helping government customers modernize their AI/ML capabilities while meeting stringent regulatory and security standards. Technical Discovery & Solution Design • Lead...
Lockheed Martin
Feb 06, 2026
Senior Aerospace Engineer
Lockheed Martin Severn, MD, USA
Description: We are seeking a seasoned Senior Aerospace Engineer to support defense aerospace programs, with a focus on the conception, design, integration and validation of aerospace structures and systems that span multiple aerospace platforms. This role requires technical expertise in aerodynamics, structures, mechanisms, systems and integration, and developing Contract Data Requirements Lists (CDRLs). The incumbent will mentor junior engineers, work on integrated product teams, ensure deliverables meet contractual and regulatory requirements, and understand defense acquisition and certification processes. Ability to work independently towards assigned objectives in lieu of discrete tasking is critical. Key Responsibilities: Technical Leadership • Lead the execution of assigned objectives that develop aerospace structures and subsystems. • Own the technical roadmap, risk assessments, and trade off studies for assigned objectives. • Mentor junior staff; collaborate to provide...
Lockheed Martin
Jan 07, 2026
Flight Test Control Engineering Manager (Level 5)
Lockheed Martin MD, USA
Description: We are Lockheed Martin First line manager within the Test Operations (Test Ops) Department, motivated to inspire, develop, encourage and support the Flight Test Control Engineer (FTCE) team in pursuit of F-35 Integrated Test Force (ITF) flight test activities at NAS PAX River, MD. Responsibilities include: - On-site leadership oversight of all FTCEs, ensuring adherence to configuration control protocols, standard work and process/procedure discipline in accordance with the JSF Operating Guides (JOGs) and PAX ITF Standard Operating Procedures (SOPs). - As Test Ops interface between Engineering and Maintenance, coordinates de-confliction of mods and planned maintenance across aircraft execution plans - Coordination of aircraft mods/planned maintenance into overall weekly, 6-week and longer term roadmaps with the Mod Planning team, Maintenance, Flight Test Engineering and Flight Test Instrumentation teams. - Maintaining FTCE training requirements and ensuring they...
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