Software Engineer Sr - Clearance Required

Company: Lockheed Martin
Location: King of Prussia
Posted on: April 3, 2026

Job Description:

Job 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 is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Join a fast-paced and exciting Agile Development Team with a focus on DevSecOps, the latest cloud-based technologies, and full-stack development! 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 NSS Iron Patriot/Ollivander team! Our team 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 world-class operations and sustainment capabilities of space- based programs in support of national security. We are looking for a software engineer to craft and build innovative solutions for our customers. You will; • Be part of an Agile team that utilizes state of the art commercial standard methodologies such as DevSecOps (automated testing, continuous integration, automated deployment, etc.) and modern development tools. • Participate in progressing system capabilities from early design through site acceptance focused on software reuse, COTS/FOSS integrations, and innovative, affordable best practices. • Be a member of a hard-working team that are passionate about their trade, focused on mission and system quality, and supportive of timely delivery of features and capabilities. This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require 3 years of professional experience and a BS degree. Selected candidate will be required to possess an Active TS/SCI security clearance for consideration. Our employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually. Here are some of the benefits you can enjoy: • Medical • Dental • 401k • Paid time off • Work/life balance • Career development • Mentorship opportunities • Rewards & recognition We care about our employees and offer a generous benefits package : 401K, PTO, and work/life balance and more. Basic Qualifications • Full-stack development • Software development experience with Java or C# • Active TS security clearance with willingness to obtain a TS/SCI w/ poly required for consideration Desired skills • Understanding / proficiency in application containerization (e.g. Docker, Kubernetes, etc.) • Agile software development experience Java\\JEE\\Quarkus, C# .NET, JavaScript, TypeScript, Angular, Docker, Kubernetes, Rancher, Python, GitLab • Web Development Experience • Cloud-based technologies • DevSecOps and CI/CD pipeline experience • Continuous Integration\\Automated Testing\\DevOps • Experience working in Agile teams using SAFe, Scrum, Kanban or other methodologies and/or understanding of Agile development concepts • Experience designing and documenting microservice-based architectures • Experience with relational and/or NoSQL databases • Experience with distributed systems (services and databases) • Strong background developing /debugging and/or testing of web applications and web services LMSpaceSoftwareEng Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration. * Join us at Lockheed Martin, where your mission is ours. Our customers tackle the hardest missions. Those that demand extraordinary amounts of courage, resilience and precision. They’re dangerous. Critical. Sometimes they even provide an opportunity to change the world and save lives. Those are the missions we care about. As a leading technology innovation company, Lockheed Martin’s vast team works with partners around the world to bring proven performance to our customers’ toughest challenges. Lockheed Martin has employees based in many states throughout the U.S., and Internationally, with business locations in many nations and territories. Other Important Information By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to work remotely Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedule Information Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration. Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $93,200 - $164,450. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible. Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $107,300 - $185,840. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. This position is incentive plan eligible.

Keywords: Lockheed Martin, Clifton , Software Engineer Sr - Clearance Required, IT / Software / Systems , King of Prussia, New Jersey