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10 senior security engineer jobs found

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Lockheed Martin
Mar 06, 2026
Engineering Coordinator
Lockheed Martin Pascagoula, MS, USA
Description: WHAT WE’RE DOING At Lockheed Martin Rotary and Mission Systems, we are inspired by innovation and integrity. We believe that by applying the highest standards of business ethics and creative thinking, everything is within our reach – and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training and education. Come and experience your future! THE WORK You will be responsible for providing the Lockheed Martin site manager located at the Aegis Test Team in Pascagoula, with project and manpower planning support, budget implementation, monitoring support, administrative functions, and office support management. Duties will include: • Develop and maintain manpower and budget plans • Support site manager with cost and schedule variance analysis • Support site manager in conduct of monthly financial reviews • Assist site manager with weekly and monthly activity and status reports • Assist site manager with weekly and monthly presentations...
General Dynamics Mission Systems, Inc
Mar 20, 2026
Space Force – Traffic Modeling System Engineer for Missile Tracking (Sign-On Bonus Available)
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Systems 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. Agile experience preferred.     CLEARANCE REQUIREMENTS:  Department of Defense SECRET security clearance with the ability to obtain a TOP SECRET with Polygraph eligibility 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 Responsibilities for this Position As a Traffic Modeling System Engineer for Missile Tracking designing Traffic Data Models for the US Space Force Space Development Agency (SDA) Ground, Management...
General Dynamics Mission Systems, Inc
Mar 20, 2026
Space Force – Traffic Modeling System Engineer for Missile Tracking (Sign-On Bonus Available)
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Systems 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. Agile experience preferred.     CLEARANCE REQUIREMENTS: Department of Defense TOP SECRET security clearance with the ability to obtain a TOP SECRET with Polygraph eligibility 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 Responsibilities for this Position As a Traffic Modeling System Engineer for Missile Tracking designing Traffic Data Models for the US Space Force Space Development Agency (SDA) Ground, Management...
General Dynamics Mission Systems, Inc
Mar 20, 2026
Space Force – Traffic Modeling System Engineer for Missile Tracking (Sign-On Bonus Available)
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Requires a Bachelor’s degree in Systems 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. Agile experience preferred.     CLEARANCE REQUIREMENTS: Department of Defense SECRET security clearance with the ability to obtain a TOP SECRET with Polygraph eligibility 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 Responsibilities for this Position As a Traffic Modeling System Engineer for Missile Tracking designing Traffic Data Models for the US Space Force Space Development Agency (SDA) Ground, Management and...
EC
Mar 19, 2026
Senior Human-Centered Design (HCD) Subject Matter Expert
ECS VA
ECS is seeking a Senior Human-Centered Design (HCD) Subject Matter Expert to work in our Arlington, VA office. ECS is seeking a Senior HCD Subject Matter Expert to support the Cybersecurity and Infrastructure Security Agency (CISA). In this role, you will serve as the \"voice of the user\" within the Service Design & Governance Branch , working in tandem with our Senior Service Design Strategist . While the Strategist focuses on the macro-level operating picture and governance bridges, your focus is on the micro-level validation: ensuring we build the right things. You will use rigorous research and participatory design to reduce technical debt and operational risk before code is ever written. Position Summary This is not a graphic design role; it is a requirements engineering and risk reduction role. You will deploy HCD methodologies-including contextual inquiry, usability testing, and co-design sessions-to validate service utility. Your primary...
General Dynamics Mission Systems, Inc
Mar 16, 2026
Senior Manufacturing Planning Specialist
General Dynamics Mission Systems, Inc Taunton, MA, USA
Basic Qualifications • Bachelor’s degree or equivalent combination of education and relevant work is required plus a minimum of 2 years of relevant experience; or • Master's degree. CLEARANCE REQUIREMENTS: 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 Imagine a world-class engineering environment. Now add a team of exceptional talent along with technologies that are so advanced they’re often classified. That’s what you’ll find at General Dynamics Mission Systems. Here you’ll lead amazing engineers as they...
Lockheed Martin
Feb 18, 2026
Strategic Studies Military Operations Analyst
Lockheed Martin Bridgeport, CT, USA
Description: What We’re Doing At Lockheed Martin, we are shaping the future of defense through advanced Operations Analysis (OA). Our work supports the Rotary and Mission Systems (RMS) Strategic Studies Group (SSG), helping envision and enable next-generation capabilities for our customers and the warfighter. Through modeling, simulation, and analytical insight, we inform product strategy and Department of Defense operational concepts for the future battlespace. The Work As part of the OA organization, this role leads and executes studies using modeling, simulation, and analysis of military systems. These efforts assess the impact of new operational concepts, system designs, weapons, tactics, and force structure on mission effectiveness and survivability. Responsibilities include developing study plans, engaging with customers and stakeholders, researching system performance, modeling scenarios, executing trade studies, defining measures of effectiveness, analyzing...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Project Manager
General Dynamics Mission Systems, Inc Cullman, AL, USA
Basic Qualifications Bachelor’s degree or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.   Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position We are seeking a highly skilled and experienced Senior Proj ect Manager to join our team.  The ideal candidate will have a strong background in earned value management, facility setup, supplier coordination, schedule management, and capital equipment procurement.  The Program Manager will be responsible for overseeing the successful execution of complex defense programs, ensuring they meet customer requirements and are delivered on time and within budget.   In this role, the Senior Project Manager will oversee the planning, execution, and management of facilities-related projects and programs.  This involves...
General Dynamics Mission Systems, Inc
Feb 12, 2026
Senior Advanced Proposals Specialist
General Dynamics Mission Systems, Inc Scottsdale, AZ, USA
Basic Qualifications Bachelor's degree or equivalent is required plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience.   CLEARANCE REQUIREMENTS: Department of Defense TS/SCI 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 General Dynamics Mission Systems has an immediate opening for a Proposal Manager.  Join a team that is busy winning work. This position joins a group of seasoned proposal management professionals that supports a very active line of business. On average, our team develops and submits a proposal every 3 days. Ideal candidate thrives in a fast pace dynamic environment. Organizational and...
Lockheed Martin
Jan 16, 2026
Strategic Studies Military Operations Analyst (Represented)
Lockheed Martin Camden, NJ, USA
Description: What We’re Doing At Lockheed Martin, we are shaping the future of defense through advanced Operations Analysis (OA). Our work supports the Rotary and Mission Systems (RMS) Strategic Studies Group (SSG), helping envision and enable next-generation capabilities for our customers and the warfighter. Through modeling, simulation, and analytical insight, we inform product strategy and Department of Defense operational concepts for the future battlespace. The Work As part of the OA organization, this role leads and executes studies using modeling, simulation, and analysis of military systems. These efforts assess the impact of new operational concepts, system designs, weapons, tactics, and force structure on mission effectiveness and survivability. Responsibilities include developing study plans, engaging with customers and stakeholders, researching system performance, modeling scenarios, executing trade studies, defining measures of effectiveness, analyzing...
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