Systems Engineer Sr, Level 3

11-May-2026 Systems Engineer Sr, Level 3 Space Pennsylvania 727743BR Basic Qualifications

• Recent on-program Systems Engineering experience (e.g., requirements development, systems test planning/execution, requirements analysis and verification, integration, etc.)
• Demonstrated experience with applying systems engineering principles, concepts, and methods
• Demonstrated experience with system integration, verification, and validation
• Experience working on large-scale, agile software projects with multiple teams and stakeholders
• No clearance needed to start but must be able to obtain and maintain a TS/SCI clearance Job Code/Title E1463:

Systems Engineer Sr Job Description 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.

• Generating and simulating operational level plans to explore the art of the possible, how we could defend the ultimate high ground in a future space war
• Dynamically optimizing both terrestrial and space-based sensors to provide comprehensive space domain awareness
• Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy multiple, evolving priorities Our team leverages industry standard open-source software solutions such as GitLab, Kubernetes, Docker, and Rancher.

Our automation-first and "everything as code" mindset allows our software engineers to focus their time and efforts on what is most important - building cutting edge functionality for our end users. As an engineer on an Agile Scrum Team, you will have the opportunity to rapidly develop and deploy solutions for a complex space system following core engineering principles, ultimately enabling the delivery of fully functioning mission capability to end users securely and continuously. Desired skills

• Develop and implement system test plans, procedures, and protocols
• Support the integration, verification, and validation of systems and subsystems
• Develop and maintain system architecture, design, and performance requirements in an Agile environment
• Perform system analysis, modeling, simulation, and trade studies
• Experience with Agile tools, such as JIRA and Confluence
• Experience with cloud environments (AWS, Azure, Openstack, GCP, etc.) or traditional IT systems
• Excellent communication and interpersonal skills, with the ability to work effectively in a team environment
• Strong problem-solving and analytical skills, with attention to detail and ability to think critically
• Ability to adapt to changing priorities and deadlines, with a focus on delivering high-quality results
• Familiarity with the Space Domain
• Active TS/SCI security clearance #LMSpaceSystemsEng #SpaceSecurity 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. Select the Telework classification for this position Employee will work on-site full-time Shift First 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. Work Schedule 9x80 every other Friday off Security Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration. Security Clearance TS/SCI LMCareers Business Unit SPACE Program Space Security - Whiskey Department 72C1A00:

CS3 Space Security Job Class Miscellaneous Engineering Job Category Experienced Professional City, State King of Prussia-PA City King of Prussia Zip 19406 Virtual no Relocation/Housing Stipend Available Possible Req Type Full-Time Direct/Indirect Direct

• 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. EEO 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.

National Pay Statement 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.

Premium Pay Statement 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.