Systems Engineer Sr - Level 3

Reference: 732393BRPosted: 2026-06-17Location: Fort Worth, TXSalary: $102,800 - $178,135Clearance: Top Secret with Investigation or CV date within 5 yearsCompany: Lockheed MartinDescription:You will be the Systems Engineer Sr for the Integration and Test team within Simulation System Test (SST) which is responsible for system integration and verification/validation of software‑intensive systems.What You Will Be DoingAs the Systems Engineer Sr you will be responsible for defining verification methods and associated System Integration Lab (SIL) capabilities, creating, maintaining, and executing verification procedures, and reporting test results including status, formal reports, and problem reports.Your responsibilities will include:Apply system engineering techniques to impact the direction of products to design, develop, test, and support Shared Simulation Software products for multiple programs.What’s In It For YouFrom onsite to remote, we offer flexible work schedules and a comprehensive benefits package that invests in your future and security. Learn more about Lockheed Martin’s comprehensive benefits package here.Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and flexibility to enable inspiration and focus – if you have the passion and courage to dream big, work hard, and have fun doing what you love, we want to build a better tomorrow with you.Who You AreA collaborative, detail‑oriented engineer with a strong background in system integration and verification. You thrive in multidisciplinary teams, bring rigorous engineering discipline to complex challenges, and are motivated by delivering high‑impact results for mission‑critical programs.Further Information About This OpportunityMUST BE A U.S. CITIZEN – This position is located at a facility that requires special access. The selected candidate must possess an active Secret clearance to start.This position can be based in Fort Worth, TX or Palmdale, CAaerosystemsaerosystemsintegrationtestBasic Qualifications:• Bachelor's degree in STEM discipline • Experience integrating and testing hardware and/or softwareDesired Skills:• Hardware in the Loop (HWIL) System integration lab.• Ability to collaborate effectively in Agile team environment• Experience with tracking tools (JIRA, GitLab, GitHub, etc)• Eggplant, Cucumber or other system test automation tooling• Experience with Omniview and Mission Planning conops• Ability to develop and communicate long term hardware integration strategies• Experience developing BOEs to support proposals• Technical leadership experience of small teams• Ability to build and maintain relationships, collaborate with others, engage in constructive conflict, and manage interpersonal dynamics• Security+ Certification• TS/SCI Clearance will be required for this role (Secret to start with Investigation in last 6 years)Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: Top Secret with Investigation or CV date within 5 yearsOther Important Information You Should KnowExpression of Interest: 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 Schedules: 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.Schedule for this Position: 9x80 every other Friday offPay 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.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.Experience Level: Experienced ProfessionalBusiness Unit: AERONAUTICS COMPANYRelocation Available: PossibleCareer Area: Systems Engineering: OtherType: Full-TimeShift: First