Full-Time

Ground Systems Engineer

Mid-Career

Posted on 7/22/2025

Millennium Space Systems

Millennium Space Systems

501-1,000 employees

Delivers national-security space missions and constellations

Compensation Overview

$104.5k - $188.8k/yr

No H1B Sponsorship

Chantilly, VA, USA

In Person

US Top Secret Clearance, US Citizenship, UK Top Secret Clearance, UK Citizenship Required

Category
Aerospace Engineering (1)
Required Skills
Data Analysis
Requirements
  • Bachelor’s degree in Computer Science, Computer Engineering, Aerospace Engineering, or a related field
  • 4-5 years of related experience
  • Comfortable communicating technical details verbally and in writing
  • Experience generating system designs using iterative and agile development approaches
Responsibilities
  • Lead definition of requirements for ground software and the rest of the ground segment
  • Help manage customer relationships directly with trade studies, development and testing for meeting system’s mission requirements
  • Design, develop, integrate, test, and deliver large-scale ground software and mission control systems
  • Led with other Millennium staff to support testing on components, subsystems, and spacecraft in test configurations
  • Develop plans and procedures to integrate Millennium software applications into Government-furnished software and infrastructure
  • Oversee integrated system test events bridging Millennium-developed products and Government-furnished systems
  • Designing the interfaces and implementation plans for mission data processing applications to support payload elements and our program’s user segments
  • Support ground software and systems during on-orbit activities, including launch, early operations, on-orbit test, normal operations, and end-of-life operations
  • Support proposals for new ground software and systems in support of new business efforts
Desired Qualifications
  • Master’s degree in Computer Science, Computer Engineering, Applied Physics, Applied Math, Aerospace Engineering, or a related field
  • Two (2) or more years of experience designing, developing and/or operating ground software and ground systems
  • Active TS/SCI clearance
Millennium Space Systems

Millennium Space Systems

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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

Simplify Jobs

Simplify's Take

What believers are saying

  • Targeting 26 satellite deliveries in 2026, up from 4 in 2025 via El Segundo investments.
  • Tony Gingiss appointed CEO December 9, 2024, drives Boeing-Millennium integration.
  • Delivered TRACERS satellites to Vandenberg June 16, 2025 for NASA mission.

What critics are saying

  • Production fails 550% ramp to 26 satellites in 2026, slips schedules 6-12 months.
  • Resolute design delays past 2026 bid-ready, loses to Relativity Space.
  • FOO Fighter fails 2027-2028 testing, Space Development Agency terminates $414M contract.

What makes Millennium Space Systems unique

  • Resolute platform fills 2-4 kW gap between Millennium small sats and Boeing large sats.
  • FOO Fighter delivers fire-control sensing for hypersonic missile tracking in LEO.
  • Secured spot on Space Force’s $1.84B RG-XX Andromeda contract for GEO reconnaissance.

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Benefits

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

Company News

PR Newswire
Jun 16th, 2025
Millennium Space Systems Delivers Pair Of Space Vehicles To Launch Site For Nasa'S Tracers Mission

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

Envision
Apr 9th, 2025
Boeing's bet: supercharge satellite production

When Envision Employment Services Incorporated acquired Millennium in 2018, it built prototypes and delivered one or two satellites a year.

Stock Titan
Dec 16th, 2024
Millennium Space Systems Names Tony Gingiss as CEO

Millennium Space Systems, a Boeing Company [NYSE: BA], has appointed Tony Gingiss as its new CEO effective December 9, 2024.

Military News
Oct 28th, 2024
U.S. Enhances Early Warning System with New Satellite Batch for Epoch Program

Millennium Space Systems signed the initial contract to deliver the first six satellites for MTC Epoch 1 in 2023.

SpaceNews
Aug 29th, 2024
Firefly names space industry veteran Jason Kim as new CEO

Kim joins Firefly from Millennium Space, a Boeing subsidiary specializing in small satellites primarily for U.S. government agencies, where he served as CEO.

INACTIVE