Software Engineer Staff - Level 4 - (TS/SCI)
Lockheed Martin Corporation
Overview 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 Biscayne Program is looking for a highly motivated individual to join the program area as a Software Engineer Senior to support the C2 development team. As part of an Agile team, you will have the opportunity to work on a variety of tasks in various areas across the mission and collaborate with the development teams, customers, and subject matter experts. If you are looking for a challenging, collaborative, fast paced environment then this is the position for you. Note: This position requires a government security clearance, US citizenship is a requirement for consideration. In This Position You Will Collaborate with an exceptional team of Software Engineers implementing solutions and developing new features for command and control application. Serve as a software developer on an Agile team tasked with developing cutting edge web applications within multiple classification domains to serve an emerging area of protecting USG space assets. Participate in daily scrums, software sprint/release planning, demos, and retrospectives. Design, develop & demonstrate software capabilities to both internal and external partners. Work on a mission that you can be proud of, knowing that you are making a lasting difference in the world and in the Space domain. Basic Qualifications Bachelor's degree in a related discipline, such as Computer Science, Software Engineering or other engineering disciplines or equivalent experience Experience in software development using programming or scripting languages such as C#, JavaScript, Java, or Python Software design, problem solving, and troubleshooting skills This position requires an Active DOD Security Clearance to begin employment, at a minimum level of: Top Secret with active SCI Experience working in an Agile development environment, using tools such as Jira and Confluence Desired Skills Full development lifecycle experience Experience with the frameworks .NET Core and Angular Experienced with Horizon software application providing command and control services for satellites, antennas, and ground hardware assets Experience working as a member of an Agile Scrum or Kanban team Experience with databases (PostgreSQL & Redis) Experience with GitLab CI/CD - Deployment pipelines, automated build, and/or configuration tools Experience with cloud native development (Docker, Kubernetes, Helm) Familiarity with C2 software applications for satellites, antennas, and ground hardware assets Experience with DevSecOps Experience with Git, JIRA, Confluence Ability to communicate effectively and work in a collaborative environment Familiarity with the Space Domain Experience producing quality documentation Ability to obtain/maintain a TS/SCI clearance; US citizenship is required (no clearance is required to start; unclassified work is available until the clearance is obtained) Other Important Information Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information, and must maintain the required security throughout the course of employment.
- LMSpaceSoftwareEng
- SpaceSecurity
- ...with an exceptional team of engineers implementing solutions and developing... ..., develop & demonstrate software capabilities to both internal... ...in Agile teams Active TS/SCI with a favorably Poly security... ...for consideration. Clearance Level: TS/SCI w/Poly Employment Information...SuggestedFull timeWork at officeRelocationShift work
- ...structured utilizing DevSecOps and Agile methodologies. These software development methodologies emphasize communication, collaboration... ...eligibility requirements for access to classified information. TS/SCI Clearance required for this role. Desired Skills Large scale software...SuggestedFull timeContract work
- North Point Technology is looking for a TS/SCI Cleared Software Engineer to support a critical mission. The GEOINT Collection neXt (GCX) Program, awarded... ...requiring a federal security clearance, your clearance level must be clearly identified on your resume. #J-18808-...SuggestedContract workFlexible hours
- Job Overview North Point Technology is looking for TS/SCI Cleared Software Engineers to support a critical mission. The GEOINT Collection neXt (GCX) Program, awarded May25 as a 7‑year contract, is dedicated to sustaining and advancing the GEOINT Information Management Services...SuggestedContract workFlexible hours
- Software Engineer - CI/CD (TS/SCI Clearance Required) 1 day ago Be among the first 25 applicants North Point Technology is looking for a TS/SCI Cleared Software Engineer to support a critical mission. The GEOINT Collection neXt (GCX) Program, awarded May 25 as a 7-year...SuggestedContract workFlexible hours
- Lockheed Martin is seeking an experienced Software Engineer in King of Prussia to drive innovation in satellite mission planning. This role... ...Agile methodologies and programming languages like C# or Java. A TS/SCI security clearance is required for this full-time position....Full time
- ...onboard and troubleshoot, harden the software supply chain and artifact flow,... .... Required Qualifications: ~ TS/SCI Clearance ~ BS in Software Engineering or related field ~2-10 years of... ...security clearance, your clearance level must be clearly identified on your...Flexible hours
$108.4k - $227.5k
CACI International Inc is seeking a Staff AI/ML Engineer in King of Prussia, PA. This role involves implementing machine learning algorithms,... ...should have a B.S. degree, 8+ years of experience, and an active TS/SCI Security Clearance. We offer a competitive salary range from...- North Point Technology is seeking a TS/SCI Cleared Software Engineer to support a critical GEOINT program. The role focuses on building responsive Angular/TypeScript UI features, delivering high‑quality, testable code within DevSecOps and Agile practices, and collaborating...
- North Point Technology in King of Prussia is hiring a Software Engineer focused on front-end Angular development. This role requires an active TS/SCI clearance and involves building responsive features, owning UI architecture, and collaborating with cross-functional teams...Flexible hours
- ...Kubernetes Helm AWS or Openstack Security+ Must have an active TS/SCI security clearance. (Must be a US citizen) Informal technical... ...about opportunities incorporating new technologies into the software development process. They should also be confident in their ability...Full timeRemote work
- ...some of the worlds' hardest engineering problems. Our culture encourages... ...and rewarding careers. The Software Integration, Architecture, and... ...Agile practices Current TS/SCI clearance Desired Skills:... ...for consideration. Clearance Level: TS/SCI Other Important Information...Full timeWork at officeRemote workRelocationFlexible hoursShift work
- North Point Technology is hiring a TS/SCI Cleared Software Engineer to support critical GEOINT programs in King of Prussia, PA. The role requires expertise in Java development and Agile methodologies, alongside a TS/SCI clearance. The ideal candidate will have experience...
- ...highly motivated Cyber Security Systems Engineer to support the design, implementation, hardening... ...Systems Engineer will work closely with software engineers, infrastructure teams, customer... ...a DoD government clearance at the Secret level. This position is based out of King of...Full timePart timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- North Point Technology is seeking a Software Configuration Management Analyst with an active Top Secret/SCI clearance to join our team. The role focuses on developing... ...and release across cross-functional engineering teams, ensure audit-ready documentation, and keep...
- ...technology company in King of Prussia is looking for a skilled Data Engineer/Scientist to support AI/ML algorithm development. You will work... ...field and at least 2 years of experience. Must hold an active TS/SCI U.S. Government Security Clearance. Competitive benefits...Relocation packageFlexible hours
$108.4k - $227.5k
...seeking a talented and motivated Senior Software Engineer to join our dynamic team. As a key... ...developed programs Qualifications Active TS/SCI U.S. Government Security Clearance with... ...tools like Git, Jira and Confluence IAT Level II or III certification (i.e. Security+...Full timeContract workWork experience placementWork at officeFlexible hours- ...Bachelor’s degree in Cybersecurity, Systems Engineering, Computer Science, Information... ...DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.). Experience supporting... ...Systems Engineer will work closely with software engineers, infrastructure teams, customer...3 days per week
- ...Are Synopsys is the leader in engineering solutions from silicon to... ..., and you know that the best software in the world means nothing if... ...customer teams to understand system‑level engineering requirements,... ...degree with 2+ years Active TS/SCI security clearance, or the ability...Shift work
- ...Analyses performed at all levels of syst product incl.... ...Science, Systems Engineering, Electrical Engineering... ...obtain and maintain a TS/SCI Security Clearance. Desired... ...more of the following software languages: Java, C++, C#... ...deployment of Virtual Machines 4. Understanding of...Full timeWork at officeRemote workRelocationFlexible hoursShift work
- Lockheed Martin in King of Prussia is seeking a full-time candidate for a security software role, focusing on coding and automation technologies. The successful applicant will be expected to manage development infrastructure while ensuring security compliance. Candidates...Full timeFlexible hours
- Lockheed Martin in King of Prussia is seeking a skilled candidate for a position that blends software development and security expertise. The ideal individual will be proficient in automation and scripting, with a strong focus on integrating security into development processes...Full time
- A leading aerospace and defense company seeks a candidate with at least 3 years of experience in software development to enhance their DevSecOps practices. The role requires Top Secret Clearance and knowledge of tools like Kubernetes and Ansible. Responsibilities include...
- ...and develop technically complex software systems. In this role, you... ...functional teams. Team-oriented engineers who are comfortable... ...willing to obtain a Top Secret SCI clearance Desired Skills... ...for consideration. Clearance Level: Secret Other Important Information...Full timePart timeWork at officeRemote workRelocationFlexible hoursShift work3 days per week
- CACI International Inc is seeking a Software Engineer - Cloud Infrastructure in King of Prussia, Pennsylvania. In this role, you will be involved in core software development and cloud infrastructure, responsible for writing code, deploying applications, and managing CI...Flexible hours
$90.3k - $189.6k
The Opportunity Are you a software engineer who loves to code but hates being isolated from how... ...functional teams to troubleshoot application-level bugs and underlying infrastructure... ...Ability to work in office full time Active TS/SCI U.S. Government Security Clearance with...Full timeContract workWork experience placementWork at officeFlexible hours- ...28, USA Job Description Posted Tuesday, June 30, 2026 at 4:00 AM Senior Software Engineer Position Summary The role plays a critical part in advancing... ...tables and partitioned view layers, including multi-level JOINs, window functions, dynamic filtering, OFFSET/FETCH...Contract workTemporary workWork at office
- ...and Missions Systems (RMS) as a Senior Software Engineer. Lockheed Martin is a global leader in... ...US citizen for consideration. Clearance Level: Top Secret. Work Schedules Lockheed Martin... ...benefits. Schedule for this position: 4×10 hour days, 3 days off per week....Work at officeFlexible hours3 days per week
- ...corporation, annual revenues during 2025 were $17.4 billion. In 2026, UHS was again... ...is seeking a dynamic and talented Software Engineer II - AI Solutions. The Software Engineer... ...troubleshoot software and cloud platform‑level issues. Strong communication skills to...Local area
- ...solutions to our customers with the highest levels of integrity, excellence, and... ...The Information Assurance Systems Security Engineer is first and foremost a Systems Engineer... ...experience is strongly desirable. Active TS/SCI clearance. In compliance with pay transparency...Local areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer Staff - Level 4 - (TS/SCI). Be the first to apply!
- ngo software engineer King of Prussia, PA
- software developer King of Prussia, PA
- part time software developer remote King of Prussia, PA
- financial software developer King of Prussia, PA
- senior software engineer ruby on rails King of Prussia, PA
- software engineer amazon King of Prussia, PA
- senior software design engineer King of Prussia, PA
- software engineer remote King of Prussia, PA
- entry level software engineer remote King of Prussia, PA
- software engineer contract King of Prussia, PA


