Senior Astrodynamics Engineer

June 3, 2026

About the RoleWe are seeking an experienced Astrodynamics Engineer – Orbit Determination Specialist to lead the development of high-fidelity orbit determination and astronautics capabilities for a world-class commercial astronautics' library.In this role, you will design and implement advanced estimation algorithms, support mission analysis activities, and collaborate closely with software engineers, product teams, and mission operators. You will play a critical role in ensuring the technical excellence, scalability, and operational reliability of our astronautics platform.This position is ideal for someone with deep expertise in orbital mechanics, state estimation, and spacecraft mission operations who enjoys solving complex aerospace problems in a fast-moving environment. What You'll Do<ul style="min-height:1.5em"><li>Serve as the astronautics lead for a commercial-grade astronautics software library.</li><li>Develop, test, and deploy high-fidelity orbit determination (OD) algorithms and applications.</li><li>Design scalable, production-quality OD pipelines and services using C++.</li><li>Implement advanced state estimation techniques including:<ul style="min-height:1.5em"><li>Extended Kalman Filters (EKF)</li><li>Unscented Kalman Filters (UKF)</li><li>Batch Least Squares</li><li>Stochastic filtering and smoothing methods</li></ul></li><li>Build and validate inertial propagation and perturbation models, including:<ul style="min-height:1.5em"><li>Gravitational models</li><li>Atmospheric drag</li><li>Solar radiation pressure (SRP)</li><li>N-body perturbations</li></ul></li><li>Conduct maneuver planning and trajectory analysis for:<ul style="min-height:1.5em"><li>Collision avoidance</li><li>Station-keeping</li><li>Orbit transfers</li><li>Rendezvous operations</li></ul></li><li>Support conjunction analysis and space debris mitigation activities.</li><li>Collaborate with multidisciplinary teams to integrate navigation and OD systems into broader spacecraft architectures.</li><li>Lead modeling and simulation efforts supporting mission and system design.</li><li>Ensure engineering accuracy through rigorous testing and validation methodologies.</li><li>Participate in peer code reviews and contribute to high software quality standards.</li><li>Partner with product and business teams to help shape platform capabilities and customer-facing functionality.</li></ul>Minimum Qualifications<ul style="min-height:1.5em"><li>M.S. or Ph.D. in: Astronautical Engineering, Aerospace Engineering (space-focused, Applied Mathematics, Physics Or a related technical discipline </li><li>Experience 10–20+ years of professional experience in:<ul style="min-height:1.5em"><li>Orbit determination</li><li>State estimation</li><li>Astrodynamics</li><li>Trajectory optimization</li></ul></li><li>Proven experience developing and analyzing astronautics algorithms for operational or mission environments.</li></ul>Strong understanding of:<ul style="min-height:1.5em"><li>Satellite mission lifecycle operations:<ul style="min-height:1.5em"><li>Launch</li><li>Commissioning</li><li>On-orbit operations</li><li>End-of-life disposal</li></ul></li><li>Spacecraft subsystems and mission impacts:<ul style="min-height:1.5em"><li>Propulsion</li><li>Thermal systems</li><li>Power systems</li><li>Communications</li></ul></li><li>Orbital mechanics and environmental effects:<ul style="min-height:1.5em"><li>Atmospheric drag</li><li>Radiation pressure</li><li>Perturbation modeling</li></ul></li><li>Maneuver design and navigation operations.</li><li>Ground station coordination and operational mission constraints.</li><li>Space situational awareness (SSA) and conjunction assessment.</li></ul>Strong proficiency with:<ul style="min-height:1.5em"><li>Kalman filtering and estimation methods</li><li>Relative and inertial state estimation</li><li>Numerical methods and optimization techniques</li><li>Modern software development in: C or C++</li><li>Modeling and simulation for aerospace systems</li></ul>Preferred Qualifications<ul style="min-height:1.5em"><li>Experience with industry-standard astrodynamics tools such as: GMAT, Orekit, AGI STK Astrogator, FreeFlyer</li><li>Experience with: Multi-target tracking, Data association Space situational awareness systems</li><li>Familiarity with machine learning applications in:<ul style="min-height:1.5em"><li>Orbit determination</li><li>Anomaly detection</li><li>State estimation</li></ul></li><li>Experience with hardware-in-the-loop (HIL) simulations.</li><li>Strong background in covariance analysis and error propagation.</li><li>Modern C++ development experience (C++11+).</li><li>Python development experience (Python 3+).</li><li>Familiarity with: Git workflows CI/CD systems GitLab CI, Jenkins</li></ul>Additional Requirements<ul style="min-height:1.5em"><li>Must be a U.S. Citizen.</li><li>Dual citizenship is not permitted for this role.</li><li>Experience with satellite operations or mission analysis is highly valued.</li><li>Ability to debug and optimize multi-threaded and real-time systems effectively.</li></ul>Why Join Turion Space?<ul style="min-height:1.5em"><li>Work on cutting-edge space and defense technologies.</li><li>Help shape the future of commercial astronautics infrastructure.</li><li>Collaborate with highly technical, mission-driven teams.</li><li>Solve challenging real-world aerospace problems with direct operational impact.</li><li>Contribute to systems supporting next-generation space operations and safety.</li></ul>Principal Astrodynamics Engineer: $180,000- $270,000ITAR Requirements:This position may include access to technology and/or software source code that is subject to U.S. export controls. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Benefits: We offer a comprehensive compensation and benefits package designed to support the well-being and professional growth of our employees. In addition to a competitive base salary and company stock, determined by factors such as job-related knowledge, education, skills, experience, and market demand, full-time employees are eligible for:<ul style="min-height:1.5em"><li>Equity: Receive equity in Turion Space, letting you benefit from the company's success</li><li>Health Insurance: Comprehensive medical, dental, and vision coverage for employees and their dependents. </li><li>Retirement Plans: Access to a 401(k) plan to help you plan for your future. </li><li>Paid Time Off: Generous vacation days, personal days, sick days, and holidays to ensure you have time to recharge. </li><li>Professional Development: Opportunities for ongoing training, workshops, and courses to advance your skills and career growth.</li><li>Team Building Activities: Regular social events, team outings, and company-sponsored activities to foster a positive work environment. </li></ul>We are dedicated to providing a supportive and enriching environment for our team members, recognizing that our collective success is built upon the well-being and satisfaction of each individual.Turion Space is an Equal Opportunity Employer; employment with Turion Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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