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From the employer's careers site First seen 3 Nov 2026

Astrodynamics Engineer (Lead/Senior)

Millennium Space Systems On-site senior full-time

Salary

$123,000 - $183,000 per year

Apply on Millennium Space Systems

Description

We are seeking an experienced Astrodynamics Engineer to join our team as a Lead/Senior engineer. As an Astrodynamics Engineer, you will be the Responsible Engineering Authority (REA) for the Astrodynamics subsystem for a given program, study, or proposal.

Responsibilities:

  • Perform astrodynamics and orbit analyses
  • Determine and derive astrodynamics requirements to meet customer requirements and perform customer missions
  • Optimize spacecraft trajectories based on fuel, time, and/or performance characteristics
  • Define/develop tools and processes to be used by mission operations and the broader team
  • Oversee Astrodynamics Engineering across a range of programs and portfolios
  • Interface with other satellite subsystems as well as systems engineering and program management to ensure system-level performance
  • Provide technical leadership of a team of engineers in support of a program, including decomposition and delegation of tasks

Requirements:

  • Bachelor's degree in aerospace engineering or a related technical discipline and a minimum of 5 years of engineering industry experience or an equivalent combination of technical education and experience
  • 3 or more years' experience in orbital mechanics, orbit design, or astrodynamics
  • 3 or more years' experience with orbit design and simulation software tools (e.g. GMAT, STK, COTS mission planning tools, etc.) and scientific computing software (MATLAB, Python, Julia, Fortran, C++, etc.)
  • Ability to obtain a U.S. Top Secret Security Clearance (post-start) for which the U.S. Government requires U.S. Citizenship

Preferred Qualifications:

  • 9+ years industry experience in orbit analysis role(s)
  • Experience with rendezvous and proximity operations or formation flight
  • Specialization in advanced orbital mechanics topics (e.g., trajectory optimization, relative motion maneuvering, orbit determination techniques, etc.)
  • Ability to architect novel methods, algorithms, and solutions for complex mission analyses
  • Experience decomposing large/complex/nebulous tasks into clearly defined subsets of work that can be done personally or delegated to other members of the team
  • Ability to set direction of program work and create processes and standards to support the group
  • Development of industry leading knowledge, methods, and techniques within the realm of spacecraft guidance, navigation, and control (GNC)
  • Active U.S. Top Secret Security Clearance

Benefits:

  • Competitive base pay and variable compensation opportunities
  • Health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work

Salary Range:

  • Level 3: $123,000 - $183,000
  • Level 4: $150,750 - $225,000

Skills

Required

  • astrodynamics
  • orbit analysis
  • spacecraft trajectories
  • orbital mechanics
  • MATLAB
  • Python
  • Julia
  • Fortran
  • C++

Nice to have

  • rendezvous and proximity operations
  • formation flight
  • trajectory optimization
  • relative motion maneuvering
  • orbit determination techniques
Apply on Millennium Space Systems