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

30 principal test engineer jobs found

Refine Search
Current Search
Security Clearance Onsite principal test engineer
Refine by Job Categories
Information Technology  (52) Engineering  (42) Electronics  (17) Management  (3) Media  (3) Law Enforcement  (3)
Accounting  (2) Automotive  (2) Legal  (2) Marketing  (2) Science  (2) Program Management  (2) Entertainment  (1)
More
Refine by State
Florida  (6) CO  (5) CA  (4) Pennsylvania  (4) California  (2) Texas  (2)
Colorado  (1) MD  (1) Maryland  (1) New Jersey  (1) TX  (1) Virginia  (1)
More
Refine by City
Orlando  (6) King of Prussia  (4) Grand Prairie  (2) Littleton  (1) Marion  (1) Moorestown  (1)
Remote, UNAVAILABLE  (1) San Jose  (1) Sunnyvale  (1)
More
Refine by Company Name
Lockheed Martin  (20) SAIC  (6) General Dynamics Mission Systems, Inc  (3) LMI  (1)
Refine by Country
United States  (18) 214  (6) US  (5)
SAIC
Nov 04, 2026
Senior Principal Network Engineer
SAIC TX
Description SAIC is seeking a highly skilled Senior Principal Network Engineer to integrate systems into a complex architecture via various technologies (Cisco SD-WAN, Aruba Edge-Connect, Juniper SD-WAN), implement configuration to provide Network Transport, develop Test and Evaluation Strategy, lead engineering focused Technical Exchanges to understand customer requirements and provide sound engineering guidance for seamless integration. This is a Remote role in Dallas, TX. Must be local to area. Role requires up to 25% of travel. JOB DUTIES: Integration and WAN Transport: Engineer scalable, resilient network integration solutions including IPSEC/VPN, WAN, SD-WAN, Black Core and hybrid-cloud topologies. Implementation & Deployment: Lead the configuration, and migration of Navy Systems and Sites into the SD-WAN Fabric. Network Security: Ensure integration configurations comply with the current accreditation authorization. Operations & Engagement: Work with...
LMI
Nov 04, 2026
Lead Full-Stack Developer
LMI Remote, UNAVAILABLE
Overview LMI is seeking a Lead Full Stack Developer to lead the design, development, integration, and sustainment of a secure, web-based mission data and digital asset management application supporting a SOCOM Mission Partner. The application enables authorized users to ingest, organize, discover, preview, share, and reuse mission-relevant files, datasets, software, models, and technical knowledge. It combines a modern user experience with scalable backend services, governed data access, project-based collaboration, and integration with a secure cloud-hosted delivery environment.   This is a hands-on engineering lead position. The selected candidate will contribute production code, guide technical design, perform code reviews, mentor developers, and coordinate directly with product, platform, security, and mission stakeholders. The ideal candidate has demonstrated success building full-stack applications that handle large files and complex data, enforce user...
SAIC
Oct 28, 2026
Principal Systems Engineer
SAIC CO
Description SAIC is seeking a Principal Systems Engineer onsite in Colorado Springs, Colorado with experience in space operations, space system sustainment or space acquisitions to join the Positioning, Navigation, and Timing (PNT) Systems Engineering & Integration (SE&I) Team. PNT SE&I provides engineering, integration, technical analysis, and subject matter expertise (SME) support to the US Space Force. As a member of our PNT SE&I Team, you'll work in a fast-paced environment with Government personnel and systems engineers to provide systems engineering and analysis services to include system development, enterprise and system architecture, acquisition, testing, operations, and sustainment support for existing and new capabilities. Duties: Ensuring effective requirements integration across operational space and ground, hardware and software, and all other aspects of systems and organizations for control segment capabilities Understanding multiple...
SAIC
Oct 14, 2026
Senior Principal Cyber Engineer
SAIC CA
Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified...
SAIC
Sep 30, 2026
Senior Principal Cyber Engineer
SAIC CA
Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified...
SAIC
Sep 02, 2026
Principal Nuclear Detection Systems Engineer
SAIC CA
Description Make a difference for national security by joining a team of dedicated professionals in El Segundo, CA who assist the US Space Force in developing and deploying the satellites and ground systems for Nuclear Detection System (NDS) capabilities. These systems provide timely and critical nuclear detection data to our warfighter to ensure national security mission success. Our Systems Engineering & Integration (SE&I) team has an immediate need for a hybrid Principal Nuclear Detection System Engineer (USNDS) in El Segundo, CA with mission experience in space/ground systems for the management, development, and deployment of NDS systems to ensure on-time delivery of capabilities. As a SE&I professional, candidates will provide System Engineering (SE) services across all SE disciplines with emphasis in integration and test toward delivering operational capabilities into an enterprise system architecture. Job Responsibilities: Provide Systems...
SAIC
Jul 27, 2026
Senior Program Systems Integration Engineer
SAIC CA
Description JOB DESCRIPTION: SAIC is seeking a Principal Program Systems Integration Engineer to join our team in El Segundo, CA. Due to security requirements, work is required to be on-site in a secure facility. SAIC is sub-contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract. The MSEIT effort provides leading edge SE&I for the Space Force's Space System Command. We support the Space Force's acquisition of state-of-the-art MILSATCOM systems, providing secure global, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems. You will join the Systems Integration team within the broader Systems Engineering team defining the next generation of space...
Lockheed Martin
Jun 12, 2026
Systems Engineer- SSTA
Lockheed Martin Sunnyvale, CA
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. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin’s SBIRS team is seeking a quick learning and highly skilled level 2 Systems Engineer - SE/SSTA in PCA work from our Sunnyvale, CA. location . Must have the ability to obtain a Secret...
Lockheed Martin
Sep 14, 2026
Systems Engineer
Lockheed Martin CO
System Installer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Installer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information...
Lockheed Martin
Sep 14, 2026
Systems Engineer
Lockheed Martin CO
System Installer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Installer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information...
Lockheed Martin
Sep 14, 2026
Systems Engineer Stf.
Lockheed Martin CO
System Installer WHO WE ARE Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services.  Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products - creating innovative solutions to deliver resilient systems, products, and services to protect our customers' platforms against evolving cyber threats. WHAT WE’RE DOING This position is for a Systems Engineer/Installer on the Radiant Mercury (RM) product within the TSS program. RM is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years.  RM delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information...
Lockheed Martin
Aug 18, 2026
Windows & Linux Systems Administrator Staff
Lockheed Martin MD
Standard Job Description WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. 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 the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and support of Arista as well as other vendor platforms. The incumbent will drive automation, security, and DevOps best practices while delivering resilient, high performance infrastructure...
Lockheed Martin
Aug 18, 2026
Electrical Engineer Sr - E3
Lockheed Martin CO
Standard Job Description Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) Lockheed Martin Space is seeking a Senior Electrical Engineer to join our team in Littleton, CO! By joining the Lockheed Martin Space Radio Frequency (RF) Talent Center (RFTC) team, you will contribute our mission supporting challenging programs related to Space Vehicles, Hypersonics, Human Space Flight and Interplanetary Missions, Missile Defense, and more. As a Certified Principle Engineer (CPE), this role will have ownership for the success of a Digital Signal Payload. Responsibilities will include, but are not limited to; support vendor development, internal design evaluation, testing, analysis, integration, and initialization of the payload. Review and ensure compliance with vendor and program requirements, support payload troubleshooting, and lead cross functional engineering teams throughout the product...
Lockheed Martin
Jul 08, 2026
Principal Sensor Systems Architect - Radar
Lockheed Martin Moorestown, NJ
Description: What We’re Doing Here at Lockheed Martin Rotary and Mission Systems (RMS) we take on the most demanding challenges in the world. We seek out innovative ideas and creative solutions to seemingly impossible problems facing our customers in the Sensors, Effectors & Mission Systems (SEMS) organization. We collaborate with the best Radar engineers in the business across the Moorestown, NJ and Syracuse, NY sites to invent solutions where they don’t exist yet. If you’re looking for the challenge of a lifetime on a team of the brightest minds in the world, then Rotary Mission Systems and the Sensor Architectures team is the place for you. If you’re looking for life-long learning and a career where the hard work is the fun part, then you’re in the right place. Lockheed Martin. Your Mission is Ours. The Work In your role as a Principal Sensor Systems Architect, you will: • Provide guidance and leadership for program execution across sensor products. • Shape system...
Lockheed Martin
Jul 02, 2026
DevSecOps Engineer, Sr. - Embedded, Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. As a Senior Software Engineer at MFC, you will join one of the largest networks of software professionals, implementing cutting edge technologies...
General Dynamics Mission Systems, Inc
Jun 17, 2026
Senior Principal Contracts Specialist
General Dynamics Mission Systems, Inc Marion, VA
Basic Qualifications Bachelor's degree or equivalent combination of education and relevant experience is required plus a minimum of 10 years of relevant experience; or Master's degree plus a minimum of 8 years of relevant experience.   CLEARANCE REQUIREMENTS: Ability to obtain a 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 Overview: A Contracts Specialist is responsible for supporting the management of the company's contractual agreements with customers, in the drafting, negotiation, and execution of contracts, as well as ensuring compliance with contract terms and conditions. The Contracts Specialist also...
Lockheed Martin
Jun 09, 2026
Cyber Systems Security Engineer
Lockheed Martin King of Prussia, PA
Description: The coolest jobs on this planet … or any other … are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineer. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team at the Valley Forge Campus...
Lockheed Martin
Jun 09, 2026
Cyber Systems Security Engineer
Lockheed Martin King of Prussia, PA
Description: The coolest jobs on this planet … or any other … are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineer. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team at the Valley Forge Campus...
Lockheed Martin
Jun 09, 2026
Cyber Systems Security Engineer
Lockheed Martin King of Prussia, PA
Description: The coolest jobs on this planet … or any other … are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineer. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team at the Valley Forge Campus...
Lockheed Martin
Jun 09, 2026
Cyber Systems Security Engineer
Lockheed Martin King of Prussia, PA
Description: The coolest jobs on this planet … or any other … are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineer. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team at the Valley Forge Campus...
  • 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.