Millennium Space Systems · 2 months ago
Mission Operations Engineer (Early-Career)
El Segundo, CA
Full-time
Onsite
Entry, Mid Level
$73K/yr - $108K/yrMillennium Space Systems, A Boeing Company, delivers affordable, high-performance space systems for exacting customers. As a Mission Operations Engineer, you will be the lead technical authority for Millennium’s on-orbit spacecraft, responsible for all facets of the mission design and operations throughout the spacecraft mission life cycle.
AerospaceSpace Travel
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support every aspect of the mission lifecycle, from proposal/mission modeling, design, integration and test, space vehicle shipment, launch and on-orbit operations, to decommissioning
Define ground and mission operations requirements, and flow mission requirements back to the space vehicle
Define mission concept of operation and design reference missions
Design the ground segment, including command and control, mission planning, mission data processing, and the associated infrastructure to support all activities
Implement and test space vehicle fault and autonomy, including fault detection and response, autonomous space vehicle behavior, and on-board command and control
Develop and implement methods of operational automation, to reduce day-to-day operator responsibilities
Create and execute space vehicle simulator tests to validate mission/fault/autonomy design
Create and execute in-factory flight vehicle tests to validate mission design compatibility with flight hardware
Conduct critical ground segment testing, including radio-frequency compatibility testing, remote ground facility interface testing, and acceptance testing of critical ground assets/locations
Design and validate the mission “sequence of events” for bus commissioning, payload checkout/calibration, and mission operations
Plan and lead formal Mission Rehearsal events to train the mission team and to validate the mission design
Lead a team of spacecraft and subsystem engineers during launch and early orbit activities to commission the space vehicle(s) for service
Perform duties of lead technical authority during mission operations for both the space and ground segments
Focal for customer and internal leadership during critical mission activities
Provide oversight of nominal on-orbit operations for Millennium’s entire fleet of on-orbit spacecraft
Qualification
Required
B.S. in Aerospace, Electrical, Software, Computer, Mechanical Engineering, or related field
Experience with real-time satellite command and control
Working knowledge of satellite subsystems, ground systems, space missions, and OPSCON design
Experience delivering operational products to customer environments
Willingness to support occasional off-nominal working hours during critical 24/7 mission operations activities
Preferred
Active TS/SCI Clearance
M.S. in Aerospace, Electrical, Software, Computer, Mechanical Engineering, or related field
Experience in leading multidisciplinary technical teams, especially to resolve anomalous scenarios
Experience with external customer briefing/interfacing
Deep knowledge of satellite systems engineering, including all satellite subsystems
Guidance, Navigation, and Control; Electrical Power; Thermal Control; Telemetry, Tracking, and Command; Propulsion; etc
Experience with Spacecraft Command & Control software systems
Experience with iterative and agile processes
Knowledge of orbital dynamics, maneuver planning, and orbit determination techniques
Experience designing fault detection and response, as well as designing space vehicle autonomy
Familiarity with software and scripting tools such as MATLAB, Python, C/C++, Java, etc
High level of organization, self-motivation, and an ability to manage many projects in parallel
Company
Millennium Space Systems
Millennium Space Systems, a provider of agile, flight-proven small-satellite solutions.
Founded in 2001
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2018-08-16Acquired
Leadership Team
Robert Jacobsen
Chief Financial Officer
Shasta Noble
Chief Financial Officer
Recent News
Spaceflight Now
2025-09-30
MEXICONOW
2025-09-27
2025-09-17
Company data provided by crunchbase