Flight Sciences Systems Engineer

Reference: 732866BRPosted: 2026-06-18Location: Huntsville, ALSalary: $102,800 - $178,135Clearance: Top SecretCompany: Lockheed MartinDescription:Lockheed Martin Space designs and operates spacecraft, launch‑vehicle avionics, and scientific payloads that must execute precise trajectories, maintain stable attitudes, and perform autonomous maneuvers in the space environment. The Flight‑Sciences Systems Engineer is the technical bridge between flight‑dynamics theory and the hardware/software that implements it. You will develop the models, algorithms, and analysis tools that predict vehicle behavior, generate guidance commands, and certify flight‑software performance for a variety of missions (e.g., orbit insertion, lunar descent, formation‑flying constellations, re‑entry).We are hiring levels 2-5. This requisition is used to find talent for our hiring needs across multiple programs. We will be reviewing those that apply to see if they may meet the needs of the business. If so, we will be reaching out to screen. By applying for this role you will be considered for enterprise wide opportunities within Lockheed Martin for the same or similar skill set.You will typically have:• 2+ years of professional experience with a Bachelor's degree.• An active Secret security clearance or Higher• Ability to work onsite in either Littleton, CO., King of Prussia, PA. Sunnyvale, CA. or Huntsville, AL.Basic Qualifications:Have Expertise in One of the 4 Areas: Vehicle Modeling & SimulationGuidance, Navigation & ControlFlight SoftwareVerification & Validation• Strong grasp of orbital mechanics, rigid‑body dynamics, and flexible‑body effects.• Proficiency in MATLAB/Simulink, STK, and a high‑level programming language (C/C++, Python).• Experience with estimation/filter design (Kalman, EKF, UKF, particle filters).Desired Skills:Experience and expertise with One or More Areas Below:Space-flight Science ProgramsAdvanced Guidance TechniquesSemsor Fusion & AutonomyMBSESecurity Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: Top SecretOther 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: SPACERelocation Available: PossibleCareer Area: Systems Engineering: Requirements DevelopmentType: Full-TimeShift: First