Simulation Software Engineer (Senior-Level)

Simulation Software Engineer (Senior-Level) - (OSSES061126.1) Location Denver, CO 80002 US Houston, TX 77058 US (Primary) Remote/Onsite/Hybrid 100% Onsite Job Type Full-time # of Hires Needed 1 Education Bachelor's Degree Travel Up to 10% Security Clearance Required None Pay Range (All offers will be based on experience) $130,000.00 - $200,000.00/yr Position Introduction/Key Duties Cimarron is seeking a senior-level Simulation Software Engineer to support docking systems for the Orion program with NASA in either Houston, TX or Denver, CO. The Orion Multi-Purpose Crew Vehicle is NASA's next-generation spacecraft built to carry astronauts beyond low-Earth orbit — back to the Moon and eventually to Mars. As part of the Artemis program, this role puts you at the center of human spaceflight readiness, developing and maintaining the simulation software that NASA's Flight Operations Directorate (FOD) uses to train the crews who will fly these missions. If you are driven by a passion for space exploration and want your work to directly support the future of human spaceflight, apply today! Key Duties Implement SOCRRATES and simulation software requirements for FOD Training updates beyond the Lockheed Martin baseline scope. Execute the full software development lifecycle per the software development plan, including requirements, design, implementation, verification, and validation. Produce software deliverable updates following software development plan standard processes and applicable reviews. Provide onsite support at JSC and oncall support to FOD Training for Problem Analysis and Error Correction (PAEC), including troubleshooting, prioritizing, and rapidly resolving software issues to minimize training disruption. Provide dedicated FOD engineering changes and build support for Artemis III, including maintaining command and telemetry compatibility with Mission Control Center (MCC). Perform an Artemis IV requirement assessment with FOD Training to identify gaps and recommend simulation upgrades needed to support future mission training. Deliver monthly status reports on all assigned tasks. Required Skills, Experience, and Education Due to facility security requirements, only U.S. citizens are eligible for consideration at this time. This position requires access to federal facilities. Candidates must possess a valid, unexpired RealID‑compliant driver's license or state‑issued identification card at the time of hire. If you are unsure whether your ID is RealID‑compliant, please check for the star symbol in the upper portion of your driver's license or state ID. Ability to complete a pre‑employment background check and drug screening, which will include but is not limited to testing for marijuana use. 8 or more years of general, full‑time work experience. May be reduced with the completion of advanced education. 5 or more years of directly related experience in simulation software development or spacecraft software systems. Proficiency in C++ and Python software development. Experience with real‑time 6 DoF simulation. Extensive experience in debugging and implementing best software engineering practices in large‑scale systems. Extensive experience with Linux development environment. Experience with Perforce. Extensive experience with different network protocols (esp. RUC/RF). Extensive experience troubleshooting software. Experience in multi‑threaded applications. Experience with containers. Experience with aerospace engineering concepts (ex., fluid mechanics, orbital dynamics, etc). Experience executing full‑cycle software development following a formal software development plan through requirements, implementation, verification, and validation. Experience with Agile software development methodologies. Experience with Atlassian tools (Jira, Confluence, or equivalent). Strong verbal and written communication skills with the ability to convey complex technical concepts clearly. Bachelor's degree in a related technical discipline. Desired Skills, Experience, and Education Experience with MATLAB/Simulink. Experience with Qt Creator. Experience with emulator integration/troubleshooting. Experience with QEMU. Experience with SOCRRATES (Software Only CEV Risk Reduction Analysis and Test Engineering Simulator) or comparable flight software simulation environments. Familiarity with NASA FOD training operations or crew training simulation support. Experience maintaining command and telemetry compatibility with Mission Control Center (MCC) systems. Knowledge of Problem Analysis and Error Correction (PAEC) processes or equivalent software issue resolution workflows. Prior experience supporting Artemis or other NASA human spaceflight programs. Experience with spacecraft simulation requirements assessment and gap analysis across program increments. Business Profile Cimarron is a global solutions company with a strategic partnering approach to satisfying customer-driven requirements. We ensure customer success with a modern approach and experienced leadership. Driven by an entrepreneurial spirit, Cimarron is fueled by highly skilled employees, developing new innovative technologies, and delivering superior products and services. We believe in recognizing employees' worth by offering competitive salaries and benefits, including health, dental, and vision insurance, 401(k) contributions, educational reimbursement, and much more. From company communication through Company-wide information meetings led by our President and CEO, to an Awards program designed to recognize our amazing employees and their accomplishments, you will not only feel like you are a part of a team, you will be a valued member of the Cimarron family. Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law. Resumes should list employment dates in month/year format (e.g., January 2020 – March 2024) for each position to meet customer and contract documentation requirements. Cimarron offers an outstanding Benefits Package including: Major Medical and Hospitalization Vision Care Preventive Care Ancillary Benefits Life Insurance and AD&D Short-Term Disability Insurance Voluntary Long-Term Disability Insurance Voluntary Additional Life and Dependent Life Insurance 401(k) with Company Matching Flexible Spending Accounts Direct Deposit Other Benefits Paid Time Off (PTO) and Holiday Leave Education Reimbursement Wellness Program #J-18808-Ljbffr Cimarron Software Services