Junior Astrodynamics Engineer: Design Space Trajectories

Millennium Space Systems; El Segundo (CA); On-site; USD 120,000 - 150,000; Full time

Job summary

Millennium Space Systems, a Boeing Company, is seeking an Astrodynamics Engineer to support design, analysis, and operation across programs. You will run orbital analyses under supervision, assess system performance against requirements, and contribute to mission planning and on-orbit operations.

The role emphasizes tools development, mission operations support, and presenting results at reviews. Onsite work is required at designated locations, with security clearance prerequisites.

Qualifications

• Bachelor's degree in Engineering, Engineering Technology, Computer Science, Data Science, Mathematics, Physics or related field.
• 1+ years coursework or industry experience in orbital mechanics, orbit design, or astrodynamics.
• 1+ years modeling, simulation, and analysis experience.
• 1+ years experience with orbit design and simulation software tools (GMAT, STK, etc.).
• 1+ years experience with MATLAB and/or Python.
• Must be eligible to obtain U.S. citizenship and a security clearance.

Responsibilities

• Perform astrodynamics and orbit analyses.
• Assess performance to meet customer requirements and support missions.
• Optimize spacecraft trajectories based on fuel, time, and performance.
• Evaluate sensors, constellation design, and maneuver strategies.
• Provide system analysis support and tool development for mission operations.

Skills

Orbital mechanics

Trajectory design

Modeling & analysis

Python/MATLAB

Education

Bachelor's degree in engineering or related field

Tools

GMAT

STK

COTS mission planning tools

Job description

Millennium Space Systems, a Boeing Company, is seeking an Astrodynamics Engineer to support design, analysis, and operation across programs. You will run orbital analyses under supervision, assess system performance against requirements, and contribute to mission planning and on-orbit operations.

The role emphasizes tools development, mission operations support, and presenting results at reviews. Onsite work is required at designated locations, with security clearance prerequisites.