Full-Time
Posted on 10/31/2025
Delivers national-security space missions and constellations
$81.6k - $120k/yr
No H1B Sponsorship
El Segundo, CA, USA
In Person
Millennium Space Systems provides space systems for national security, delivering missile-warning and other space missions by rapidly creating affordable prototypes and satellite constellations across different orbits. Its products are designed to work correctly the first time, with an emphasis on speed to meet customer needs. The company differentiates itself by offering fast, cost-effective prototype-and-constellation solutions rather than long, expensive development cycles, focusing on reliable performance for critical space missions. The goal is to enable secure, rapid, and dependable space capabilities for national security customers.
Company Size
501-1,000
Company Stage
N/A
Total Funding
N/A
Headquarters
El Segundo, California
Founded
2001
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Professional Development Budget
401(k) Company Match
Remote Work Options
Paid Vacation
Paid Sick Leave
Paid Holidays
Hybrid Work Options
Mental Health Support
Wellness Program
EL SEGUNDO, Calif., June 16, 2025 /PRNewswire/ -- Millennium Space Systems, a Boeing Company, delivered two space vehicles for NASA's Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission to Vandenberg Space Force Base Friday, marking a key milestone in preparation for launch later this year
When Envision Employment Services Incorporated acquired Millennium in 2018, it built prototypes and delivered one or two satellites a year.
Millennium Space Systems, a Boeing Company [NYSE: BA], has appointed Tony Gingiss as its new CEO effective December 9, 2024.
Millennium Space Systems signed the initial contract to deliver the first six satellites for MTC Epoch 1 in 2023.
Kim joins Firefly from Millennium Space, a Boeing subsidiary specializing in small satellites primarily for U.S. government agencies, where he served as CEO.