Junior Astrodynamics Engineer — Onsite Space Mission Design

Boeing; El Segundo (CA); On-site; USD 100,000 - 148,000; Full time

Job summary

Millennium Space Systems, a Boeing Company, is seeking an Astrodynamics Engineer to conduct modeling, simulation, and analyses for space mission design and on-orbit operations. You will run orbital analyses under supervision, assess system performance against requirements, and present results at design reviews or customer meetings.

The role supports CONOPS development, propulsion capability sizing, and mission planning across programs, with emphasis on orbital mechanics, trajectory design, and

Qualifications

• Bachelor of Science degree in Engineering or related field.
• Coursework, internship, or industry experience in orbital mechanics, orbit design, or astrodynamics (1+ years).
• Experience in modeling, simulation, and analysis (1+ years).
• Experience with orbit design and simulation software tools (GMAT, STK, etc.) (1+ years).
• Experience utilizing scientific computing software (MATLAB and/or Python) (1+ years).
• U.S. Citizenship required for security clearance.

Responsibilities

• Perform astrodynamics and orbit analyses.
• Receiving astrodynamics requirements and assessing performance to meet customer requirements and missions.
• Optimize spacecraft trajectories based on fuel, time, and performance characteristics.
• Research and evaluate state-of-the-art sensors, constellation design, and maneuver strategies.
• System analysis support.
• Mission operations tool development and support.
• Other duties as assigned.

Skills

Orbital mechanics

Modeling & simulation

Engineering analysis

Education

Bachelor of Science in Engineering or related field

MS or PhD in aerospace or related discipline

Tools

GMAT

STK

MATLAB

Python

Job description

Millennium Space Systems, a Boeing Company, is seeking an Astrodynamics Engineer to conduct modeling, simulation, and analyses for space mission design and on-orbit operations. You will run orbital analyses under supervision, assess system performance against requirements, and present results at design reviews or customer meetings.

The role supports CONOPS development, propulsion capability sizing, and mission planning across programs, with emphasis on orbital mechanics, trajectory design, and