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

148 applications engineer jobs found in King of Prussia

Refine Search
Current Search
King of Prussia Onsite applications engineer
Refine by Job Categories
Information Technology  (111) Security Clearance  (32) Engineering  (27) Manufacturing  (11) Electronics  (6) Energy  (3)
Management  (2) Construction  (1) Finance  (1) Science  (1) Mining  (1) Law Enforcement  (1) Program Management  (1)
More
Refine by State
Pennsylvania  (148)
Refine by Company Name
Lockheed Martin  (148)
Refine by Country
United States  (148)
Lockheed Martin
Jul 10, 2026
Cyber Software Engineer Senior
Lockheed Martin King of Prussia, PA
Description: 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. Key Responsibilities • Design and implement secure system architectures for enterprise and mission-critical environments. • Apply cybersecurity engineering principles across the full system lifecycle, including requirements, design, implementation, verification, deployment, and sustainment. • Support Risk Management Framework (RMF) activities including control implementation, assessment, evidence collection, and ATO accreditation and sustainment. • Perform security hardening of operating systems, applications, databases, and network devices in...
Lockheed Martin
Jul 10, 2026
Software Engineer Sr - Level 3
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. • Generating and simulating operational level plans to explore the art of the possible,...
Lockheed Martin
Jul 08, 2026
Senior Software Engineer (Top Secret Clearance)
Lockheed Martin King of Prussia, PA
Description: Lockheed Martin’s Victor Portfolio of Space Security is seeking a highly skilled, motivated, and experienced Senior Software Engineer to join an Agile, cross‑functional team dedicated to protecting critical space assets. This role will focus on developing web‑based applications within an open‑architecture infrastructure that supports mission‑critical space‑security operations. The successful candidate will collaborate with internal development teams and subject‑matter experts, and thrive in a fast‑paced environment where each day brings new challenges. Key Responsibilities • Full‑Lifecycle Development – Design, implement, test, deploy, and maintain web applications and services that enable space‑asset protection. • Agile Collaboration – Participate in Scrum ceremonies (stand‑ups, sprint planning, retrospectives) and contribute to continuous‑improvement of team processes. • Open‑Architecture Integration – Build modular, reusable components that conform to...
Lockheed Martin
Jul 08, 2026
Software Engineer, Level 2 - Top Secret Clearance Required to Start
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 and...
Lockheed Martin
Jul 08, 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
Jul 02, 2026
Senior Software Engineer
Lockheed Martin King of Prussia, PA
Description: Who We Are: 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 Senior Software Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Lockheed Martin Rotary and Mission Systems About Rotary and Mission Systems Our team supports the Strategic Spectrum Solutions portfolio of RMS, and consists of a variety of engineering disciplines that work together to execute design, development, integration and test of systems. We have expertise in Software Defined Radios (SDR), digital signal processing (DSP), GNSS constellation simulation, and signal transceivers. Our team members build strong relationships with one another, founded on trust, open communication, and a...
Lockheed Martin
Jul 02, 2026
Senior Software Engineer - Level 3 (TS/SCI with Poly)
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 We're seeking a talented and motivated Senior Software Engineer to join our fast-paced...
Lockheed Martin
Jul 02, 2026
C2 Software Engineer Sr. (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 Trinity Program is looking for a highly motivated individual to join...
Lockheed Martin
Jul 02, 2026
MP Software 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. Within LM Space, the Trinity Program is looking for a highly motivated individual to join...
Lockheed Martin
Jun 19, 2026
Project Engineer IV – Manufacturing Data
Lockheed Martin King of Prussia, PA
Description: Role Overview Lockheed Martin Space is seeking a Project Engineer to support the Reentry Operations Center. In this role, you will help improve manufacturing visibility, production readiness, and operational performance through data analysis, automation, and cross-functional collaboration. You’ll work closely with engineering and operations teams to turn manufacturing data into actionable insights that support factory execution and production decision-making. Learn about the Trident II D5 Fleet Ballistic Missile Key Responsibilities • Partner with engineering, manufacturing, and operations teams to support production readiness activities • Build and maintain dashboards, reporting tools, and operational tracking systems • Analyze manufacturing and production data to identify trends, risks, and improvement opportunities • Develop integrations between SAP, machine data sources, and shop floor systems • Support production ramp activities through data automation...
Lockheed Martin
Jun 19, 2026
Sr Mass Properties 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. Mass Properties Engineering is the art and science of predicting the mass properties of...
Lockheed Martin
Jun 12, 2026
Ground Software Engineer
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 Level 2 ground Software Engineer with an active Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s) . This position is contingent upon the program award expected in July, 2026. We are...
Lockheed Martin
Jun 12, 2026
Ground Software Engineer Sr.
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 Level 3 ground Software Engineer with an active Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s) . This position is contingent upon the program award expected in July, 2026. We are...
Lockheed Martin
Jun 12, 2026
Ground Software Engineer Stf
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 Level 4 ground Software Engineer with an active Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s) . This position is contingent upon the program award expected in July, 2026. We are...
Lockheed Martin
Jun 12, 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 level 4 DevSecOps Engineer with an active TS/SCI 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...
Lockheed Martin
Jun 09, 2026
Windows Sr. Systems Engineer -IT (Clearance Required)
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications in the Joint Air-to-Surface Standoff Missile (JASSM) Enterprise Software (JES) suite. JES unlocks the full capability of the weapon system with secure, streamline, machine-to-machine interfaces that diminish human error while keeping the operator in the loop. THE WORK As a Windows Sr. Systems Engineer on the JES Program , you will: • Work in an Kanban environment providing support for implementation, troubleshooting and maintenance of various Information Technology (IT) systems, including networking equipment • This is a “hands on” IT engineering job always looking at how to increase efficiencies in the environment and then working to implement them. • Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices • This position will focus on Windows...
Lockheed Martin
Jun 09, 2026
Systems Engineer - IT SR - Secret Clearance Required
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications in the Tactical Tomahawk Weapons Control System (TTWCS). We develop and maintain the foundational layer of TTWCS, including networking infrastructure and process management, in addition to Tactical Command and Control applications handling mission planning and missile communication. In a nutshell, our team ensures the United States Navy has the tools it needs to carry-out precision missions across the globe. THE WORK As a IT- Systems Engineer Sr. on the TTWCS Program , you will: • Lead a Kanban environment reporting to the Lab Manager on current and future tasking. • Provide support for implementation, troubleshooting and maintenance of various Information Technology (IT) systems, including networking equipment • Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the...
Lockheed Martin
Jun 09, 2026
Software Engineer Sr - Top Secret Clearance Required to Start
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. *** This position is contingent upon the program award expected in early 2026.*** Within...
Lockheed Martin
Jun 09, 2026
Systems Engineer - IT - Top Secret Clearance Required
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications across the MIC2 line of business. This position is in the C4ISR market segment supporting United States Air Force and Navy programs specializing in software and systems engineering under the Weapons Platform Integration organization. THE WORK As a IT- Systems Engineer across the MIC2 line of business , you will: • Work in an Kanban environment providing support for implementation, troubleshooting and maintenance of various Information Technology (IT) systems, including networking equipment - Manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices • Patch, harden and design Windows and Linux (Red Hat) and networking systems with Security personnel to protect against ever changing Cyber Threats Please Note: • This position requires a government...
Lockheed Martin
Jun 04, 2026
Cyber Systems Security Engineer Staff
Lockheed Martin King of Prussia, PA
Description: Cyber Systems Security Engineer 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 robust, secure system...
  • 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.