Systems Engineer, Nuclear Safety

Company: Lockheed Martin
Location: King of Prussia
Posted on: April 2, 2026

Job Description:

Job 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. About Our Team Come join a group of diverse Engineers with a long history of supporting the Air Force Mission reaching back to the 1960's. Today's challenge is to support the modernization of the Minuteman Weapon System by crafting, building, testing and deploying new Reentry Systems and Ground Equipment that will enable the new system to perform for many years to come. This critical mission area must be done right, pass meticulous certifications and last for many years to come. What You Will Do In this exciting role you will be supporting the Nuclear Safety team across various Weapons Programs. As a Systems Engineer, you will directly help establish the technical solution and overall system design for one of our country's most vital and sophisticated strategic Systems! Your primary responsibilities in Systems and Nuclear Safety Engineering include: • Applying DoD requirements and industry standards (AFMAN's, AFI-series, MIL-STD's, IEEE, Range Safety and more) applicable to the design and evaluation • Following technical guidance and interpretation of applicability of nuclear and system safety requirements to program-unique designs to LM team members, customer personnel, and safety approval authorities. • Using the latest in MBSE tools and processes to generate synergistic models to establish linkages across verification artifacts and requirements • Presenting to customer management and safety control authorities the results of technical analyses and design solutions that demonstrate compliance aspects of the weapon system with applicable DoD customer requirements. Basic Qualifications • Experience with nuclear weapons programs • Experience with Critical Nuclear Weapon Design Information (CNWDI) • Knowledge of security classification standards and their applications • Active Secret Clearance with the ability to obtain Top Secret Clearance; US Citizenship is required Desired skills • Experience collaborating with the National Nuclear Security Administration (NNSA)/ Department of Energy (DOE) National Labs on USAF Nuclear Weapons Programs • Requirements assessment and/or management experience to include functional analysis, validation, allocation, and/or verification • Experience with one or more of the following Systems Engineering tools: SysML/Cameo Magic Draw, DOORS, Architecture Framework such as DoDAF, Model Center • Ability to prioritize tasks and work efficiently in a high-demand, fast-paced environment • Demonstrated basic understanding of systems thinking skills and behaviors • Excellent written and verbal communications skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members -Active Top Secret Clearance 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. * At Lockheed Martin, we use our passion for purposeful innovation to help 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, develop, 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. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility. If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs , and apply for roles that align with your qualifications. 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 $89,300 - $157,550. 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 $102,800 - $178,135. 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, Towson , Systems Engineer, Nuclear Safety, Engineering , King of Prussia, Maryland