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Millennium Space Systems

Mission Operations Engineer (Mid Level) - Millennium Space Systems

Millennium Space Systems
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onsite mid full-time Level 3: $99,000 - 177,000 Level 4: $121,000 - $215,000 El Segundo, CA, CA

First indexed 25 Oct 2026

Description

As a Mission Operations Engineer, you will be the lead technical authority for Millennium's on-orbit spacecraft. Your work will encompass the entire spacecraft mission life cycle, from proposal phase to launch and on-orbit operations.

Responsibilities:

  • Lead a team of spacecraft and subsystem engineers during launch and early orbit activities
  • Perform duties of lead technical authority during mission operations for both space and ground segments
  • Support every aspect of the mission lifecycle, from proposal to decommissioning
  • Define ground and mission operations requirements
  • Develop and implement methods of operational automation
  • Create and execute space vehicle simulator tests and in-factory flight vehicle tests
  • Conduct critical ground segment testing
  • Lead anomaly response team when off-nominal vehicle conditions arise
  • Contribute to customer briefings and debriefings
  • Design and validate the mission 'sequence of events'

Requirements:

  • B.S. in Aerospace, Electrical, Software, Computer, Mechanical Engineering, or related field
  • Minimum of 3 years of experience in Mission Operations or similar
  • Experience with real-time satellite command and control
  • Willingness to support occasional off-nominal working hours
  • Willingness to apply for a TS clearance with SCI eligibility

Preferred Qualifications:

  • M.S. in Aerospace, Electrical, Software, Computer, Mechanical Engineering, or related field
  • Minimum of 5 years of experience in Mission Operations or similar
  • Experience in leading multidisciplinary technical teams
  • Deep knowledge of satellite systems engineering
  • Experience with Spacecraft Command & Control software systems
  • Familiarity with software and scripting tools such as MATLAB, Python, C/C++, Java

Benefits:

  • Competitive base pay and variable compensation opportunities
  • Health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs
  • Paid and unpaid time away from work