Senior Systems Engineer

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

Job Description:

Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we 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 development 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. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours Lockheed Martin Space is seeking a Systems Engineer to join the Global Security Future Architectures (GSFA) Ground Team for upcoming work on Program 224. The Systems Engineer will be joining a ground subsystem team and contribute to the development of the subsystem structure, behavior, and interfaces. Responsibilities include, but are not limited to, the following: • Define ground subsystem structures, behavior, interfaces, and data flows • Contribute to design and model development by creating or refining SysML elements and diagrams • Contribute to development of CDRL documents • Conduct or participate in design trade studies • Develop plans for DevSecOps pipelines and test approach • Participate in interface working groups to define & mature external interfaces, as well as drive decisions related to systems & software architecture • Present at internal meetings and demos Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. You can learn more about King of Prussia, PA by visiting this link. You can learn more about Denver, CO by visiting this link. Learn more about Lockheed Martin’s comprehensive benefits package. Basic Qualifications • Prior work experience with software, information management, or communication systems for Space or Ground segments • Prior experience performing system engineering, test, or analysis in a medium to large scale system • Active Top Secret clearance with ability to obtain a TS/SCI Security Clearance. Desired skills • Experience with model-based systems engineering (MBSE) • Proficiency with SysML and Cameo • Experience with ground segment development • Experience as a software developer or software-focused systems engineer or architect • Experience with development phase design reviews including SRR, SDR, PDR, or CDR • Experience with enterprise/system of systems design or integration • Proficiency with Agile development tools, techniques and associated business rhythms • Strong organizational skills with the ability to multi-task and work collaboratively across multiple teams • Excellent verbal and written communication/presentation skills • Prior experience working in a classified environment • Active TS/SCI Security Clearance SpaceNSS 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, Harrisburg , Senior Systems Engineer, Engineering , King of Prussia, Pennsylvania