Corporate Gray Online
  • Jobs
  • Companies
  • Post a Job
  • Resume Search
  • Employer Products
  • Job Seeker Products
  • Resources
  • Corporate Gray
  • Absolutely American
  • Proud American E-zine
  • Military Minute Podcast
  • Military Officer Career Conference
  • Sign in
  • Sign up
  • Jobs
  • Companies
  • Post a Job
  • Resume Search
  • Employer Products
  • Job Seeker Products
  • Resources
  • Corporate Gray
  • Absolutely American
  • Proud American E-zine
  • Military Minute Podcast
  • Military Officer Career Conference

57 jobs found in King of Prussia, PA

Refine Search
Current Search
Security Clearance King Of Prussia, PA Onsite
Search within
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by Job Categories
Information Technology  (162) Engineering  (76) Electronics  (40) Manufacturing  (27) Management  (16) Program Management  (16)
Energy  (11) Facilities  (8) Automotive  (7) Finance  (5) Law Enforcement  (4) Construction  (3) Business Development  (2) Science  (2) Legal  (1) Marketing  (1) Sales  (1) Mining  (1)
More
Refine by State
Pennsylvania  (31) New Jersey  (26)
Refine by City
King of Prussia  (31) Moorestown  (20) Mount Laurel Township  (5) Cherry Hill Township  (1)
Refine by Company Name
Lockheed Martin  (57)
Refine by Country
United States  (57)
Lockheed Martin
Apr 24, 2026
Dev Sec Ops Engineer (Top Secret)
Lockheed Martin King of Prussia, PA
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. The successful candidate should be excited about opportunities incorporating new...
Lockheed Martin
Apr 24, 2026
Senior Dev Sec Ops Engineer (Top Secret)
Lockheed Martin King of Prussia, PA
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. The successful candidate should be excited about opportunities incorporating new...
Lockheed Martin
Apr 24, 2026
Staff Dev Sec Ops Engineer - (Top Secret)
Lockheed Martin King of Prussia, PA
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. The successful candidate should be excited about opportunities incorporating new...
Lockheed Martin
Apr 24, 2026
Senior Dev Sec Ops Engineer (Top Secret)
Lockheed Martin King of Prussia, PA
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. The successful candidate should be excited about opportunities incorporating new...
Lockheed Martin
Apr 21, 2026
Cybersecurity Engineer (Level 2-4)
Lockheed Martin King of Prussia, PA
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. Lockheed Martin Space will be hosting an invitation only in-person Hiring Event in King...
Lockheed Martin
Apr 17, 2026
Software Engineer Sr Staff - (TS/SCI)
Lockheed Martin King of Prussia, PA
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.  Within LM Space, the Fishhooks Program is looking for a highly motivated individual...
Lockheed Martin
Apr 17, 2026
Software Engineer Staff - (TS/SCI)
Lockheed Martin King of Prussia, PA
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.  Within LM Space, the Fishhooks Program is looking for a highly motivated individual...
Lockheed Martin
Apr 17, 2026
Security Representative Senior
Lockheed Martin King of Prussia, PA
Description: Lockheed Martin’s, Rotary & Mission Systems (LM RMS), Program Security and Compliance invites you to step up to one of today’s most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a Security Representative at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other program security experts, government civilians and military members to support their military operational objectives by providing them with a safe and secure operating environment. 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 these exquisite capabilities protected. The Work: Due to local mission requirements, an active Top Secret clearance within a 5-year...
Lockheed Martin
Apr 16, 2026
Cyber Systems Security Engineer Staff
Lockheed Martin King of Prussia, PA
Description: Cyber Systems Security Engineer (CSSE) – TTWCS Program What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. The Work As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will: Perform periodic manual and automated STIG evaluations, tracking deltas across versions and platforms. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure...
Lockheed Martin
Apr 16, 2026
Cyber Systems Security Engineer Senior
Lockheed Martin King of Prussia, PA
Description: Cyber Systems Security Engineer (CSSE) – TTWCS Program What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. The Work As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will: Support the TTWCS modernization effort with architecting new solutions. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure robust, secure system...
Lockheed Martin
Apr 15, 2026
Dev Sec Ops Engineer
Lockheed Martin King of Prussia, PA
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. As a Dev Sec Ops Engineer you will: • Collaborate with Infrastructure Technical...
Lockheed Martin
Apr 15, 2026
Dev Sec Ops Engineer
Lockheed Martin King of Prussia, PA
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. As a Dev Sec Ops Engineer you will: • Collaborate with Infrastructure Technical...
Lockheed Martin
Apr 14, 2026
Information System Security Manager (ISSM)
Lockheed Martin King of Prussia, PA
Description: Who we are: Lockheed Martin is a pioneer in cyber security—partnering, innovating, and building cutting edge solutions. Our talented employees tackle the world’s toughest engineering challenges every day, leveraging their unique skills and experiences to design and deliver breakthrough technology. We empower our people to think big, perform with excellence, and create extraordinary products. If you have the passion and courage to dream boldly, join our culture and help build a better tomorrow. We provide the resources, inspiration, and focus you need to succeed. What We’re Doing: At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business ethics and visionary thinking, everything is within our reach and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training, and education. As a cyber security professional at Lockheed Martin, you'll be part of...
Lockheed Martin
Apr 08, 2026
Systems Engineer Sr
Lockheed Martin King of Prussia, PA
Description: Looking for a career with purpose? One that challenges your mind, grows your skills and contributes to our Nation’s most critical missions? Do you pride yourself on solving problems that others think are impossible? If you answered yes to these questions, then we would like you to join Lockheed Martin's Space Mission Solutions, S2CO, Space Ground & Comm Systems Engineering Team! Mission Solutions develops, delivers, and operates affordable engineering and sustainment solutions for commercial, military and intelligence users across the globe. These mission critical efforts include development of innovative enterprise, cloud and application-based solutions for mission management, command and control, collection orchestration and tasking, processing, data analysis and analytics along with premier operations and sustainment capabilities of space-based programs in support of national security. This position is for a Systems Engineer to join the System...
Lockheed Martin
Apr 04, 2026
LM Perspectives
Lockheed Martin King of Prussia, PA
Description: WHAT WE’RE DOING Lockheed Martin is advancing next-generation Integrated Air and Missile Defense (IAMD) capabilities that protect national security and enable mission success across land, sea, and multi-domain environments. To support growing demand across our IAMD programs, we are hosting a virtual hiring event: LM Perspectives: Integrated Air & Missile Defense (IAMD) April 23 | 5:00–6:00 PM (ET) This event will connect experienced engineering professionals with our leaders and technical experts to explore how Lockheed Martin is shaping the future of missile defense—and how you can be part of it. Registration Link: Register here for LM Perspectives: Integrated Air & Missile Defense (IAMD) THE WORK During this virtual session, you will: Gain insight into Lockheed Martin’s IAMD mission and technology landscape Hear directly from engineering leaders about current programs and future opportunities Learn how our teams are solving complex...
Lockheed Martin
Apr 02, 2026
Security Representative
Lockheed Martin King of Prussia, PA
Description: What We’re Doing: Lockheed Martin’s, Rotary & Mission Systems (LM RMS), Program Security and Compliance invite you to step up to one of today’s most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a Contractor SAP Security Officer (CSSO) at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other program security experts, government civilians and military members to support their military operational objectives by providing them with a safe and secure operating environment. 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 these exquisite capabilities protected. The Work: Duties will include but are not limited to: Due...
Lockheed Martin
Mar 25, 2026
Senior Subcontracts Program Manager
Lockheed Martin King of Prussia, PA
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. 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...
Lockheed Martin
Mar 25, 2026
Information System Security Manager (ISSM) KOP
Lockheed Martin King of Prussia, PA
Description: Lockheed Martin’s Rotary and Mission Systems (RMS) Classified Cyber Security organization is looking for a Classified Cyber Security Manager who will serve as the on site cyber leader for our classified programs. In this role you will own the day to day security posture of the site’s classified systems and infrastructure, serve as the facility Information Systems Security Manager (ISSM), and provide authoritative guidance on all matters of confidentiality, integrity, and availability. You will lead a team of cyber professionals, partner with engineering and program leads, and ensure that security governance, risk management, and compliance are embedded into every operational and development activity across the site. Minimum Final Secret Clearance Required Minimum 8 + years of progressive experience in cybersecurity, with at least 3 + years in an ISSM or site leadership role for classified systems. Key Responsibilities: • Own the execution of business enablement...
Lockheed Martin
Mar 24, 2026
Software Engineer Sr - Level 3 - Top Secret Clearance Required
Lockheed Martin King of Prussia, PA
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. Within the Victor Portfolio of Space Security, we are seeking a highly skilled,...
Lockheed Martin
Mar 24, 2026
DevSecOps Engineer, Staff
Lockheed Martin King of Prussia, PA
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. THE WORK Lockheed Martin is seeking a talented DevSecOps Engineer with a Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s). This is an MID-SR CAREER (level 4) ROLE where candidates typically require 5+ years of professional...
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create Resume
  • Sign in
  • Facebook
  • X
  • Instagram
  • LinkedIn
© 2008-2026 Corporate Gray, powered by Absolutely American, Inc.