4545 security clearance jobs found

Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology.  Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, Mechanical Engineering or other related scientific or technical discipline with a preference for a standing of a junior or higher.     CLEARANCE REQUIREMENTS: 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 REPRESENTATIVE DUTIES AND TASKS: Apply your classroom-learned skills to a program supporting the defense of our country. GDMS has an immediate opening...

Overview LMI is seeking a skilled Policy and Security Cooperation (SC) Advisor at a customer site in the Washington, DC area. A successful candidate will demonstrate competency in project execution, leadership critical thinking, and relationship management, while upholding the highest standard of ethical behavior.   This position requires you to be at the Pentagon 3-4 days a week.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.     Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy...

Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...

Overview LMI is seeking a highly motivated mid-level Information System Security Officer (ISSO) looking for hands-on experience and opportunity for career growth under direction of the Chief Information Security Officer.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and...

About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools – including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. With over 2,400 employees dedicated to the idea that “Your Mission is Our Passion,” DLH brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview The Senior Cybersecurity Engineer serves as a technical leader within the National Institute on Aging (NIA) Information System Security Office (ISSO) by designing, implementing, and...

Overview LMI is seeking a Mission  Engineer with deep expertise in physics and theoretical modeling to join our dynamic team focused on the space domain. In this role, you will leverage advanced physics principles to develop, simulate, and analyze complex space infrastructure systems including satellite constellations, ground stations, orbital networks, and resilient architectures. Your work will directly inform analytical recommendations for future force design decisions and optimizing space capabilities for mission effectiveness, survivability, resiliency, and strategic superiority.   This position is perfect for an analytical thinker who thrives on applying rigorous theory to real-world space challenges, using data-driven simulations to guide high-stakes decisions in defense and national security space sectors. This is an on-site role in Colorado Springs, CO.   LMI is a new breed of digital solutions provider dedicated to accelerating government...

Overview LMI is seeking a technology focused, business-minded attorney with commercial technology and government contracting experience to join its dynamic Law Department at a pivotal moment in our business. This position will report to LMI’s General Counsel and will serve as the primary legal advisor and deal expert to our CTO organization responsible for developing and bringing commercial technology solutions to the federal marketplace that drive revenue growth and serve critical federal missions.     LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.  Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and...

Description: You will be the RF Engineer – Level 3 for the AMMM Communications, Navigation, and Sensors Team which is responsible for delivering cutting‑edge RF solutions that power our aircraft’s communications, navigation, and sensor capabilities. As the RF Engineer – Level 3 you will be responsible for driving the design, analysis, and integration of RF systems that enable high‑performance mission outcomes. You will work closely with cross‑functional teams to translate requirements into robust, field‑ready solutions. Your responsibilities will include: - Perform RF engineering analyses, including antenna performance, link budgets, and interference mitigation. - Support the design, test, and integration of radios, antennas, and related hardware. - Collaborate with system and software teams to translate requirements into RF‑specific solutions. - Generate technical documentation and reports for design reviews and certification. - Participate in troubleshooting and sustainment...

Description: Provide support to all facility related operations. Obtain/maintain forklift operating certification. Performs any or one of the following typical laboring tasks: - Digs trenches and any other excavations using picks and shovels. - Demolishes, disassembles and removes structures such as scaffolding, partitions, foundations, floors and walks using hand tools such as crow bars, sledge hammers, and other necessary tools. - Removes debris and salvage material using broom, shovel, wheel barrow or truck and loads into motor trucks. - Remove snow as needed using Shovel/Snow removal equipment. - Maintain roof drains on buildings. - Move office furniture throughout the facility using carts/dolly's and hand trucks. Must be able to obtain/maintain a DOD government security clearance at the Secret level. Basic Qualifications: Must be able to work independently or in teams. Must be able to lift, bend and perform the normal activities of a sometimes physically...

Description: WHAT WE’RE DOING At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world’s most complex challenges. In our Rotary and Mission Systems (RMS) division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on F-35 Training & Logistics. Our team is dedicated to applying cutting-edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate about ensuring that these systems remain resilient to evolving cyber threats, supporting both the F-35 and other essential training and logistics operations. THE WORK As a Cyber Software Engineer, you will secure, automated delivery of mission‑critical software for PTD and TIPS systems. You will embed Infrastructure as Code (IaC), CI/CD pipelines, and rigorous threat‑modeling practices into every stage of the development lifecycle, ensuring continuous monitoring, rapid remediation, and...

Description: We are Lockheed Martin Our products play an important role in the national security of the United States and more than 70 other countries, ensuring peace and stability around the world. Highly trained and specialized personnel and facilities are key to the company's unrivaled success in the aeronautics industry. Our workforce of more than 30,000 has pre-eminent expertise in advanced aircraft design and production, modification and support, stealth technology and systems integration. This role performs all functions related to providing F-16 Supply Chain support, inventory management, material management, storage management, and requisitioning procedures of calibrated assets. Duties include validation of customer requirements, processing and submitting requisitions, initiating appropriate follow-up actions, processing and delivering material in accordance with all F-16 established regulations and procedures. Perform required functions to support retrograde...

Description: Lockheed Martin Aeronautics is seeking a full-time Radio Frequency (RF) Engineer. In this role, you will be performing RF engineering functions in support of system design, development, integration, production, and sustainment. Experienced Professionals looking for an opportunity to work at Lockheed Martin Skunkworks on the most advanced aeronautics programs in the world, this is your opportunity to be a part of a dynamic team working cutting edge technologies and capabilities utilizing Model-Based System Engineering practices through digital technology. Basic Qualifications: • Advanced degree in electrical, electronics, or systems engineering, or a related STEM discipline • Experience with Radar design and performance predictions • Experience with design of low frequency RF receiver systems. • Experience with detailed design and test of antenna elements Desired Skills: • Experience with design, development, and integration of advanced communications systems and...

Description: Join Our Team as an Avionics Electronics Engineer where you will work on developing the new Long Range Hypersonic Weapon (LRHW), leveraging our decades of hypersonic experience and expertise. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Huntsville AL and be expected to work a flexible 9x80 schedule in the office full-time. Ready for a challenge at the speed of Hypersonic? Come join Lockheed Martin's Long Range Hypersonic Weapon team. Our system will travel at Mach 5 (over a mile per second)! Helping us create a system that goes that fast means overcoming several difficult physics and engineering challenges. You will be integrating hypersonic missile technology into an Army battery on a highly accelerated schedule to deliver a hypersonic operational prototype system to the Soldier. What does this role look like? The role focuses on designing and developing electrical interfaces...

Description: You will be the Subcontract Management for the Global Supply Chain team. Our team is responsible for ensuring seamless material flow and supplier collaboration to support manufacturing excellence. What You Will Be Doing As the Subcontract Management you will be responsible for overseeing subcontractor relationships and ensuring that material flow aligns with production schedules. Your responsibilities will include, but are not limited to: Develop and manage subcontractor agreements and performance metrics. Coordinate material flow between suppliers and manufacturing sites. Facilitate supplier collaboration to resolve issues and improve processes. Support manufacturing excellence by ensuring timely delivery of components. Why Join Us The ideal candidate is collaborative, detail‑oriented, and proactive, thriving in a fast‑paced environment where impact is measured by results. This role offers the chance to shape critical...

Description: WHO WE ARE Lockheed Martin: An Award-Winning Place to Work WHO YOU ARE The selected candidate will serve as the Logistics Project Manager (LPM) for the Global Sustainment (GS) organization within the Radars, Electronic Warfare & Acoustic Systems (REAS) market segment. They will direct the efforts of a GS team that includes Program Integration (PI), Center of Excellence (COE) and subcontractor personnel. The LPM will work closely with the Program Management Office (PMO), finance, planning, sourcing (subcontracts management) and engineering personnel as part of a cross-functional program team. They will ensure Sustainment products and services are developed and delivered per contract cost, schedule, and technical requirements. Key tasks and responsibilities include: • Assisting in developing Rough Order of Magnitude (ROM) budgetary estimates, formal Basis of Estimates (BOE’s), and related Subcontractor Statements of Work (SOW) for new and continuing efforts...

Description: Join Our IFG EW IPT Team. Become a vital member of the Integrated Fighter Group (IFG) Electronic Warfare (EW) Integrated Product Team (IPT) and help keep the nation’s premier fighter aircraft at the cutting edge of capability. What You Will Be Doing Drive EW capability upgrades – evaluate, integrate, and field advanced electronic warfare technologies to maintain air dominance. Perform system analysis and testing – conduct functional and performance testing, analyze results, and recommend enhancements. Collaborate across disciplines – work closely with cross functional Integrated Product Teams to ensure seamless EW integration. Support operational readiness – provide technical expertise to pilots and maintainers, troubleshoot issues, and develop mitigation strategies. Maintain documentation and compliance – generate technical reports, update interface data, and ensure adherence to applicable standards and security protocols. Basic Qualifications: • Active final...

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 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 Skunk Works and its ISR & UAS line-of-business, seeks a motivated and enthusiastic full-time Early Career Survivability Engineer candidate to join the Signature Management & Survivability Team. Specifically, we seek to identify a...

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently Fall 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** _____________________________________________ 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....

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. **Please note, this role requires a Security Clearance prior to start and US Citizenship to...

Description: WHAT WE’RE DOING At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. THE WORK The Manufacturing Project Manager role is at the RMS Palm Beach site. The Palm Beach site is a small & dynamic factory specializing in the manufacturing and test of Remotely Operated Undersea Vehicles, Manned Submersibles and Autonomous Undersea Vehicles including both production and prototyping. Successful candidate will be responsible acting as the cross functional Operations Lead on Manufacturing Projects including: • Managing project life cycle from plan development and start up through schedule, resource, and task management to...