Software Engineer Sr - E3

Requisition ID: 2684ERP Eligible?: YesERP amount: $7,500Relocation: PossibleType: ExemptShift: 1Clearance Prior to Start: Secret with Investigation or CV date within 5 yearsFinal Clearance: Secret with Investigation or CV date within 5 yearsPay Transparency: $98,100.00 - $182,100.00Experience Level: Experienced ProfessionalFT/PT/Casual: FullTimeDepartment: LM Aeronautics Co- Fort WorthBusiness Unit: LM Aeronautics Co- Fort WorthStandard Job DescriptionBuild high-fidelity simulations that power next-generation sensor fusion systems. As a Software Engineer on the Fusion Simulation team, you will develop and integrate advanced simulation environments used to validate and test mission-critical fusion capabilities. Your work ensures that complex third-party models and internally developed algorithms perform accurately, efficiently, and reliably before deployment to operational systems.This role sits at the intersection of software engineering, modeling & simulation, and sensor fusion testing infrastructure. You will work in C++ to build scalable simulation components, integrate external models, and improve the fidelity of testing environments that directly support the development of advanced aerospace fusion systems.What You Will Be Doing:Develop and maintain high-fidelity simulation software in C++ to support sensor fusion and mission system validation.Integrate third-party models and internal simulation components into a unified testing environment for Fusion applications.Analyze system and software requirements to ensure accurate representation of real-world behaviors in simulation environments.Troubleshoot software issues, identify defects, and support resolution through structured debugging and analysis techniques.Collaborate with cross-functional engineering teams including software, systems, and test engineers to ensure simulation accuracy and usability.Support Agile development processes and modern engineering workflows including Git-based version control and CI/CD pipelines.Ensure software quality through testing, validation, and continuous improvement of simulation fidelity and performance.Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.Basic QualificationsBachelor's degree in Computer Science or Software EngineeringExperience coding in C++Experience Analyzing RequirementsExperience troubleshooting software & defect resolutionFamiliar with gitDesired SkillsExperience coding in C# or PythonExperience working in Agile teamsExperience with Linux operating systemsExperience with Jira and GitLabF-35 Program accessPay InformationFull-Time Salary Range: $98100.00 - $182100.00At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.The salary range for this position is as listed on the requisition. Please note that the salary information listed 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(work location) and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.For (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.