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11 senior systems engineer level 3 jobs found

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Information Technology senior systems engineer level 3 Maryland
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U. S. National Security Agency
May 20, 2026
Hardware/Software Analysis & Design Engineer - Mid to Experienced Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: With the ever-accelerating technological advances and growing system complexity, NSA needs Hardware/Software Engineers to design, develop, construct and evaluate electronic hardware and software processing components. These components are typically subsystems of communication, collection, processing or analysis systems. Hardware/Software Engineers utilize electrical, computer, mechanical, and materials engineering knowledge and skills to design, assemble, test, analyze and reverse engineer electronics hardware in support of the NSA mission. The National Security Agency (NSA) currently has opportunities for two types of Hardware/Software Engineers positions: Hardware/Software Design Engineers and Hardware/Software Analysis Engineers. 1. HARDWARE/SOFTWARE DESIGN ENGINEERS are hired into positions supporting a broad range of specialized skills including Computer Engineering, Computer Programming, Computer Software Engineering, Electrical Engineering, and...
U. S. National Security Agency
May 20, 2026
Computer Science & Engineering Professionals - Mid to Expert Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: The National Security Agency employs a talented workforce of world class engineers, researchers, programmers, and developers that play a critical role in protecting our nation's security every day. The NSA is seeking individuals with Computer Science and Engineering experience in areas such as software engineering, systems engineering, information technology infrastructure, high performance computing, architectures, computer security, and networking to design and develop advanced tools, techniques, and systems in support of our mission. Applicants to this advertisement will be considered against all available positions for the following Work Roles: - Capabilities Development Specialist Develop custom, high-priority, offensive and defensive hardware and software capabilities targeting the hardest-to-reach adversarial networks in the world. - Computer Systems Architect Use commercial and government developed hardware, software, networking, and security...
Lockheed Martin
May 12, 2026
Windows & Linux Systems Administrator Staff
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! 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 GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and...
Lockheed Martin
Apr 29, 2026
AI Full Stack Engineer Sr Stf
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML engineer to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized and accelerated agentic development and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will help facilitate training and the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive positive change. What You Will Be Doing: In this role, you will work closely...
Lockheed Martin
Apr 22, 2026
AI Full Stack Engineer (Info Retrieval)
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML engineer to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized and accelerated agentic development and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will help facilitate training and the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive positive change. What You Will Be Doing: In this role, you will work closely...
Lockheed Martin
Apr 21, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD
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 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, UAT/SME...
Lockheed Martin
Apr 15, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD
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
Apr 14, 2026
AI Full Stack Engineer (Info Retrieval)
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML engineer to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized and accelerated agentic development and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will help facilitate training and the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive positive change. What You Will Be Doing: In this role, you will work closely...
Lockheed Martin
Feb 25, 2026
Systems Administrator with Poly SR SA2
Lockheed Martin MD
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,...
U. S. National Security Agency
May 20, 2026
Quantum Algorithm Architect / Engineering and Physical Sciences Researcher - Experienced to Expert Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: Would you like to work for the most esteemed, reputable, and established in-house research organization in the U.S. Intelligence Community? If so, let's talk! NSA employs scientists with world-class skills in fields such as mathematics, physics, computer science, engineering, and cybersecurity. We collaborate with leading companies, universities, and national laboratories to leverage work in overlapping disciplines, advance core capabilities, and seek out and develop revolutionary ideas that will provide our nation with an overwhelming advantage over our adversaries. At the Laboratory for Physical Sciences (LPS) at NSA, you will have incredible opportunities with high visibility to work on investigating and designing large-scale high performance computing systems, focusing on computer architectures, processing/memory subsystems, and transforming computing beyond Moore's Law. You will be a part of a multi-disciplinary team of physicists, engineers, computer...
Lockheed Martin
May 06, 2026
Senior Manager, 1LMX Automated Testing
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate the OneLM Mission-Driven Transformation through our 1LMX program. This strategic priority is reshaping our operations and business processes to better serve our customers in terms of cost, quality, and capabilities, while delivering the speed, agility, and insights necessary to stay ahead of rapidly-evolving threats. As part of this initiative, we are hiring a Senior Manager of 1LMX Integrated Testing. This role will report to the Director of 1LMX Integrated Testing within the 1LMX Deployment and Integration Center of Excellence (CoE). What You Will Be Doing: As the Senior Manager of Automated Testing, you will set the vision and strategic roadmap for 1LMX automated testing, ensuring alignment with key program milestones. You will lead a multidisciplinary team of test engineers and analysts, working hand in hand with program management, systems engineering, and software development to...
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