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
  • 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

301 security clearance jobs found in King of Prussia, PA

Refine Search
Current Search
King Of Prussia, PA Onsite security clearance
Search within
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by Job Categories
Information Technology  (133) Engineering  (79) Security Clearance  (49) Electronics  (34) Manufacturing  (21) Management  (18)
Energy  (12) Program Management  (12) Facilities  (8) Law Enforcement  (7) Automotive  (6) Science  (4) Marketing  (3) Accounting  (2) Business Development  (2) Finance  (2) Construction  (1) Legal  (1) Warehousing-Logistics  (1)
More
Refine by State
New Jersey  (158) Pennsylvania  (143)
Refine by City
King of Prussia  (143) Moorestown  (110) Mount Laurel Township  (35) Camden  (12) Cherry Hill Township  (1)
Refine by Company Name
Lockheed Martin  (301)
Refine by Country
United States  (301)
Lockheed Martin
Apr 04, 2026
System Integration & Test Engineer II
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview As a Systems Integration & Test Engineer, you will plan and execute testing for complex systems and subsystems. You’ll turn technical requirements into practical test approaches, work hands-on with hardware, and help ensure systems perform as expected—from early integration through final validation. Key Duties / Responsibilities • Create and maintain test plans, procedures, and documentation • Translate requirements into clear, executable test strategies • Support system integration by defining specifications and resolving interface issues • Lead and support test execution, including setup, scheduling, and reporting • Analyze results and document system performance • Identify issues, write discrepancy reports, and support resolution • Perform regression testing to confirm fixes • Coordinate testing activities across teams and programs • Work directly with hardware in lab and integration environments Work Environment • Hands-on role in labs,...
Lockheed Martin
Apr 04, 2026
System Integration & Test Engineer II
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview As a Systems Integration & Test Engineer, you will plan and execute testing for complex systems and subsystems. You’ll turn technical requirements into practical test approaches, work hands-on with hardware, and help ensure systems perform as expected—from early integration through final validation. Key Duties / Responsibilities • Create and maintain test plans, procedures, and documentation • Translate requirements into clear, executable test strategies • Support system integration by defining specifications and resolving interface issues • Lead and support test execution, including setup, scheduling, and reporting • Analyze results and document system performance • Identify issues, write discrepancy reports, and support resolution • Perform regression testing to confirm fixes • Coordinate testing activities across teams and programs • Work directly with hardware in lab and integration environments Work Environment • Hands-on role in labs,...
Lockheed Martin
Apr 04, 2026
Component Engineer
Lockheed Martin King of Prussia, PA, USA
Description: "Ahead of Ready" 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 Component Engineer you’ll work on a broad range of projects,...
Lockheed Martin
Apr 04, 2026
LM Perspectives
Lockheed Martin King of Prussia, PA, USA
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 04, 2026
Manufacturing Engineer III
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview As a Manufacturing Engineer, you will support production operations by developing and improving manufacturing processes for a specific product line. You’ll work closely with cross-functional teams to help transition products from development into stable, high-rate production. Your work will focus on improving efficiency, solving production challenges, and ensuring consistent, high-quality output. Key Duties / Responsibilities • Develop manufacturing processes, procedures, and production layouts for machining operations • Review engineering designs and provide input to improve manufacturability • Create production plans and optimize workflow to meet delivery goals • Investigate production issues, identify root causes, and implement corrective actions • Analyze factory and process data to improve efficiency and stability • Collaborate with shop floor personnel to implement process improvements • Design tooling and evaluate equipment performance •...
Lockheed Martin
Apr 03, 2026
Sr. Infrastructure Engineer - (Top Secret Required)
Lockheed Martin King of Prussia, PA, USA
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 Senior Systems Engineer-IT, you will: - Provide systems (server/application/network)...
Lockheed Martin
Apr 03, 2026
Sr, Dev Sec Ops Engineer
Lockheed Martin King of Prussia, PA, USA
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. • Generating and simulating operational level plans to explore the art of the possible,...
Lockheed Martin
Apr 03, 2026
Senior DevSecOps Engineer, Level 3 - Top Secret - Clearance Required
Lockheed Martin King of Prussia, PA, USA
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 03, 2026
Systems Engineer - Integrated Logistics Support (ILS)
Lockheed Martin King of Prussia, PA, USA
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. Ready to Support the Advanced Strategic Missions? Come join Lockheed's Strategic Reentry...
Lockheed Martin
Apr 03, 2026
Mk21A Product Owner
Lockheed Martin King of Prussia, PA, USA
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 Product Owner for the Mk21A program, you will be responsible for the cost, schedule,...
Lockheed Martin
Apr 03, 2026
Manufacturing Support Team Member/Material Planner - Level 3
Lockheed Martin King of Prussia, PA, USA
Description: Protecting what matters most is the mission that matters most. 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. Join the Lockheed Martin...
Lockheed Martin
Apr 03, 2026
Sr. Software Engineer (Level 3)
Lockheed Martin King of Prussia, PA, USA
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. • Generating and simulating operational level plans to explore the art of the possible,...
Lockheed Martin
Apr 02, 2026
Lead Systems Engineer for SE 2.0
Lockheed Martin King of Prussia, PA, USA
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. The Systems Integration and Engineering (SIE) organization is implementing a major...
Lockheed Martin
Apr 02, 2026
Manufacturing Project Engineer III
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview This role is responsible for planning, organizing, and executing production and capital projects with a strong emphasis on new product integration (NPI), CAPEX execution, and strategic production planning. You will manage schedules, budgets, and resources while supporting capacity planning and risk mitigation efforts. Your work will directly impact production scalability, efficiency, and overall program success. Key Duties / Responsibilities • Lead and support new product integration (NPI) efforts from development through production • Plan and execute capital expenditure (CAPEX) projects, including budgeting, tracking, and reporting • Develop and maintain the production Integrated Master Schedule (IMS), ensuring alignment with program and production goals • Support capacity planning and production scaling strategies to meet demand • Contribute to strategic planning initiatives across production and operations • Identify, assess, and mitigate program...
Lockheed Martin
Apr 02, 2026
Systems Engineer Staff- TS/SCI Clearance Required
Lockheed Martin King of Prussia, PA, USA
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. On the Black Canyon program, you will be responsible for developing system level...
Lockheed Martin
Apr 02, 2026
Production Quality Engineer
Lockheed Martin King of Prussia, PA, USA
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 Production Quality Engineer, you will be a vital part of the manufacturing team and...
Lockheed Martin
Apr 02, 2026
Senior Mechanical Engineer
Lockheed Martin King of Prussia, PA, USA
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 is seeking a Mechanical Engineer to join our FBM Reentry...
Lockheed Martin
Apr 02, 2026
Security Representative
Lockheed Martin King of Prussia, PA, USA
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
Apr 02, 2026
Software Engineer - Early Career (Head Start)
Lockheed Martin King of Prussia, PA, USA
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 diverse 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 Space in King of Prussia, PA is seeking a full-time Early Career Software Engineer to begin full time work in 2027. In this role, you will develop, deliver, and operate affordable engineering and sustainment solutions for...
Lockheed Martin
Apr 01, 2026
Sys Integration & Test Engineer
Lockheed Martin King of Prussia, PA, USA
Description: WHAT WE'RE DOING Want to work with cutting-edge technologies in a fun, fast-paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Systems Integration and Test Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Lockheed Martin Rotary and Mission Systems supporting the Tactical Tomahawk Weapons Control System (TTWCS) program in Valley Forge, PA. THE WORK This position is for a Level 2 Integration and Test engineer for the TTWCS (Tactical Tomahawk Weapons Control System) program where the successful candidate will work in the SW Test Agile Team to verify software requirements. This includes verification of requirements, mapping of requirements to test procedures, test procedure creation, etc. Additionally the candidate...
  • 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.