Responsibilities:
Develop and maintain trajectory simulation tools (Python, MATLAB, or similar).
Design reentry trajectories and evaluate vehicle performance.
Estimate landing zones and downrange footprints.
Work with aerodynamics teams to model moments & coefficients.
Create vehicle envelopes and safety corridors.
Provide burn timing and attitude profiles for mission planning.
Support actuator and control surface sizing.
Own the ΔV budget for the mission.
Interface with internal operations teams, hardware teams, and external regulatory partners (FAA / DGCA).
Engage in multi-disciplinary vehicle systems investigations to motivate mission design, vehicle architecture, and analysis methodologies.
Qualifications:
Bachelor’s or Master’s in Aerospace Engineering or related field.
3+ years of professional experience in trajectory analysis, orbital mechanics, and modelling & simulation.
Strong understanding of orbital mechanics, flight dynamics, and reentry trajectories.
Experience with numerical simulation tools (Python, MATLAB, or C++).
Hands-on experience with STK and GMAT.
Experience building or working with 6-DOF trajectory models.
Familiarity with aero databases and trajectory modelling.
Comfortable working across teams (Aero, Structures, GNC).
Preferred Skills:
Demonstrated project or professional experience in spacecraft systems.
Excellent communication skills, both written and verbal.
Willingness to work extended hours and/or weekends as needed.
Skills Required
- Bachelor's or Master's degree in Aerospace Engineering or a related field
- 3+ years of professional experience in trajectory analysis, orbital mechanics, and modeling and simulation
- Strong understanding of orbital mechanics, flight dynamics, and reentry trajectories
- Experience with numerical simulation tools such as Python, MATLAB, or C++
- Hands-on experience with STK and GMAT
- Experience building or working with 6-DOF trajectory models
- Familiarity with aerodynamic databases and trajectory modeling
- Ability to work across aerodynamics, structures, and GNC teams
- Demonstrated project or professional experience in spacecraft systems
- Excellent written and verbal communication skills
- Willingness to work extended hours or weekends as needed
What We Do
Catalyx Space Inc. develops orbital return vehicles and integrated space infrastructure for heavy-mass, high-power, high-volume missions. Its offerings span launch logistics, in-orbit operations, payload integration, mission control, and recovery, along with unmanned laboratories, testbeds, and reusable re-entry capsules. The company targets space logistics, in-space manufacturing, research, defense, and other commercial applications across low Earth orbit and beyond through vertically integrated mission services.









