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58 security clearance jobs found in Sunnyvale, CA

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Lockheed Martin
May 23, 2026
Information System Security Officer, Classified Cybersecurity
Lockheed Martin Sunnyvale, CA
Description: A Final Secret clearance is required to start with ability to obtain Top Secret clearance. Classified Cybersecurity ISSOs help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. This position will perform duties as a Information Systems Security Officer at the Lockheed Martin Space facility in Sunnyvale, CA. The work that ISSOs do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex hours and a family-first culture. Key Responsibilities of this role includes: -...
Lockheed Martin
May 23, 2026
Systems Engineering Associate Manager for Configuration Management
Lockheed Martin Sunnyvale, CA
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 LM is seeking a talented Systems Engineering Associate Mgr with a Secret clearance to work from our Sunnyvale, CA location . We are seeking a dedicated leader to provide strategic leadership and daily...
Lockheed Martin
May 23, 2026
Electrical Test Engineer - Early Career
Lockheed Martin Sunnyvale, CA
Description: What You’ll Do: • Assist in setup and launch of the System Integration Lab (SIL). • Plan and execute electrical and functional system tests. • Analyze results, document findings, and validate performance. • Solve hardware/software interface issues and support regression testing. • Support testing across programs and teams. Why You’ll Love It: • Support a groundbreaking lab for a new development program. • Help shape system testing standards and processes. • Work with skilled engineers on high-impact space programs. • Make your mark on critical national and space operations. Basic Qualifications: Bachelor’s in Engineering, Aerospace, or related field. • Experience testing spacecraft or missile systems. • Strong communication and ability to brief program management. • Proven leadership with diverse teams. • Active Secret security clearance. Desired Skills: • Experience in space/missile system integration & test (electrical, EMC/EMI, environmental). • Knowledge...
Lockheed Martin
May 23, 2026
Mechanisms Design Engineer
Lockheed Martin Sunnyvale, CA
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. Defending against modern day missile threats requires constant collaboration and innovation. That’s why we’re able to integrate...
Lockheed Martin
May 23, 2026
Security Representative Sr, Security Integrator
Lockheed Martin Sunnyvale, CA
Description: This position requires Final Secret clearance with ability to attain Top Secret clearance. Functions as the Security Representative/Security Integrator for a Category AA facility and reports to the Facility Security Officer (FSO). Providing multi-disciplined security support for various programs at the Sunnyvale, CA facility and associated offsites. Responsibilities include: - Maintains compliance with government regulations associated with the protection of classified material and sensitive information. - Knowledge of and implementation of the 32 CFR Part 117 NISPOM Rule. - Drives innovation to consolidate administrative tasks and digitally transforms our security operations. - Supports all contractual security requirements for DoD collateral classified programs. - May be responsible for multiple facets of security operations such as physical security, visitor control, document control, classification management, personnel security, security investigations,...
Lockheed Martin
May 23, 2026
Electro-Optical Engineer - Early Career
Lockheed Martin Sunnyvale, CA
Description: 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 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. This is a place for engineers, scientists, and problem-solvers who are ready to engage deeply, think critically, and build with purpose. You will not just launch a career. You will be part of something bigger. This is where the best are built. Lockheed Martin Space is seeking a full-time Early Career Electro-Optical Engineer. In this role, you will learn schematic design and requirement verification. The successful candidate will have experience and/or knowledge of. Must be a US Citizen; this position will...
Lockheed Martin
May 23, 2026
Senior Program Security Representative, CSSO
Lockheed Martin Sunnyvale, CA
Description: Current Top Secret clearance with ability to obtain SCI access. The Program Security Representative will provide multi-disciplined security support for various programs at the Sunnyvale, California Campus with an emphasis on Contractor Special Security Officer (CSSO) for DoD SCI programs and SCI facilities. Responsibilities include: - Interpret and implement the 32 Code of Federal Regulation (CFR) Part 117 , DoD 5205.7 and ICD manuals and directives. - Keep up to date on all changes to security policy and directives issued by cognizant Government Security organizations. - Prepare security plans, procedures and briefings for all areas of the security department. - Partner with internal and external customers and teammates. - Security operations such as physical security, visitor control, document control, classification management, personnel security, security investigations, developing and delivering security briefings, self-inspections, risk...
Lockheed Martin
May 23, 2026
Senior Program Security Representative, CPSO/CSSO
Lockheed Martin Sunnyvale, CA
Description: This position requires current TS/SCI clearance and ability to obtain Polygraph. The Contractor Program Security Officer/Contactor SAP Security Officer (CPSO/CSSO) will provide multi-disciplined security support for various programs at the Sunnyvale, California Campus. Responsibilities include: - Interpret and implement the 32 Code of Federal Regulation (CFR) Part 117 , DoD 5205.7 and ICD manuals & directives. - Keep up to date on all changes to security policy and directives issued by cognizant Government Security organizations. - Prepare security plans, procedures and briefings for all areas of the security department. - Partner with internal and external customers and teammates. - Security operations such as physical security, visitor control, document control, classification management, personnel security, security investigations, developing and delivering security briefings, self-inspections, risk identification/mitigation and other tasks as required....
Lockheed Martin
May 23, 2026
Senior Manager, Electro-Optical Engineer
Lockheed Martin Sunnyvale, CA
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? Ignite matures and transitions capabilities focused on our Space Enterprise internal and external customer needs. This senior manager leads a pipeline of programs under the LM Space Ignite, Advanced Capabilities Electro-optics & Security (ACES) directorate. The ACES team conducts applied research and rapid prototyping of systems & subsystems in relevant or operational environments, develops first-of-kind optical systems, and supports national defense with electro-optics and other technologies. This role will coordinate the creation of discriminating and disruptive technologies, and performance of first-of-kind demonstrations in support of critical national needs in areas including directed energy, power beaming and space domain awareness. The position will support activities...
Lockheed Martin
May 16, 2026
Project Engineer, Senior Staff (Level V) - Secret clearance
Lockheed Martin Sunnyvale, CA
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 : This position will support an...
Lockheed Martin
May 15, 2026
Guidance, Navigation & Control Engineer (Level II)
Lockheed Martin Sunnyvale, CA
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 : This position will support established...
Lockheed Martin
May 15, 2026
Guidance, Navigation & Control Engineer III (Senior)
Lockheed Martin Sunnyvale, CA
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 : This position will support an...
Lockheed Martin
May 15, 2026
HVAC Mechanic
Lockheed Martin Sunnyvale, CA
Description: IAM Hourly represented employees who currently work at the main (Sunnyvale/Palo Alto) unit, Santa Cruz, VAFB or Eastern Range facilities must apply to open requisitions on Brass Ring to be considered for the position. This occupation requires the installation, maintenance, repair, overhaul and modification of plant air conditioning, ventilation, and refrigeration systems, and equipment, including low temperature cascade systems, Building Automation Systems (BAS) and steam boiler, gas-fired heating equipment (excludes installation of ducts and utility feed lines). Operate centrifugal chillers, cooling towers, hot water and steam boilers and air handling systems per manufacturers’ recommendations and management directives. Determine, by making periodic inspections, the repair and maintenance work necessary to prevent functional breakdowns requiring major overhaul of air conditioning, ventilation and refrigeration systems and equipment, including low...
Lockheed Martin
May 12, 2026
Electro-Optical Engineer, Staff
Lockheed Martin Sunnyvale, CA
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. Are you passionate about state-of-the-art technology, and seeing your work applied to...
Lockheed Martin
May 12, 2026
Supply Chain Subcontract Administrator
Lockheed Martin Sunnyvale, CA
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. What does this role look like? Supply Chain’s vision is to enable customer and mission success through supply chain strategies and execution that deliver superior operational program performance and create...
Lockheed Martin
May 12, 2026
Construction Security Representative
Lockheed Martin Sunnyvale, CA
Description: This position requires a current Secret clearance with ability to obtain Top Secret clearance. LM Space is looking for an experienced Physical Security professional with a strong background and knowledge of construction projects supporting classified programs. Candidate will support both the Intelligence and DoD community customer base by developing ICD-705 compliant Fixed Facility Checklists (FFC), Construction Security Plans (CSP), and DCSA Forms 147. Candidate will support SCIF and Open Storage Area construction and accreditation. The scope of this role will include developing plans for Protected Distribution Systems and perform technical inspections thereof, working closely with internal and external stakeholders to develop and respond to Requests for Information, performing routine secure area construction project inspections to provide excellent quality assurance and compliance, and conducting STC testing to ensure rated perimeters meet customer...
Lockheed Martin
May 12, 2026
Software Engineer
Lockheed Martin Sunnyvale, CA
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 re-imagining 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. This position is contingent on program award expected Q2 2026 This position is for a...
Lockheed Martin
May 08, 2026
Software Engineering Manager - Space Protection Programs
Lockheed Martin Sunnyvale, CA
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. Space Protection Programs (SPP) is seeking an experienced and forward-thinking Software...
Lockheed Martin
May 07, 2026
Asc. Mechanical Engineering Mgr.
Lockheed Martin Sunnyvale, CA
Description: As a Mechanical Engineering – Associate Manager, you can expect to manage definition, interpretation, and implementation of design requirements, task delegation, coordination and execution of hardware designs, development and integration of hardware custom and procured mechanical structural assemblies in accordance with engineering process specifications. Responsibilities may include the following: • Directly manage and lead a small team of engineers • Work collaboratively with stakeholders and functional senior leadership teams to manage staffing requirements, plan job assignments/rotations to sustain engineering capabilities and critical skills, and drive performance management, career development, and personnel related activities. • Ensure standard technical processes, tools, and training are available and properly implemented. • Manage all aspects of mechanical designs. Experience with machined parts, structures, gears, and motors is preferred. • Represent...
Lockheed Martin
May 07, 2026
Contracts Management (TS/SCI Clearance required)
Lockheed Martin Sunnyvale, CA
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. What does this role look like? If you are an enthusiastic, self-starter, eager to learn...
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