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SEIT Engineer- Early Career

Company Overview

Millennium Space Systems, A Boeing Company delivers affordable, high-performance space systems for exacting customers. At Millennium, you will be part of a close-knit team working on exciting technological problems. We work in an open environment where ideas are shared across all disciplines, and there are ample opportunities for advancement based on excellence. Superstars are welcome.

Job Summary

As a Systems Integration Engineer, you will be supporting the Systems Engineering Integration & Test (SEIT) organization that is responsible for the integration of a mission enterprise spanning multiple segments (space, ground, launch) and other mission domains. You will be responsible for organizing internal and external engineering interfaces and integrating system test activities to deliver a full, high-performance space mission rapidly and affordably.


  • Identify, consolidate, and review system specification and interface requirement traceability to support sell-off verification and test events
  • Support system integration and test activities involving multiple levels of integration (systems and elements)
  • Assist in defining, capturing, and maintaining system and element level interfaces
  • Coordinate with customers and other contractors to execute verification analyses and tests
  • Research, analyze, and track various components of the overall segment, including spacecraft, payload, and ground systems to ensure cost, schedule, and performance
  • Develop and present technical briefings to senior-level customers and stakeholders to help facilitate system level decisions
  • Track internal and external deliverables
  • Create, review, and maintain system and test documentation
  • Assist in system level requirement development and flow down to element level requirements
  • Support system level test events
  • Travel to customer locations, test sites, and industry sites

Minimum Qualifications

  • Bachelor's Degree in Aerospace Engineering, or related field   
  • 2-5 years of experience in systems engineering integration, testing, verification, and validation activities on high-complexity systems across multiple segments/elements
  • Outstanding teamwork and communications skills
  • Active DoD Secret clearance

​Preferred Qualifications:

  • Master's Degree in Engineering, or related field
  • Experience with Overhead Persistent Infrared (OPIR) systems
  • Demonstrate good spacecraft knowledge at the subsystem level
  • Demonstrate good satellite ground system knowledge
  • Experience with Department of Defense customers (e.g., USAF Space and Missile Systems Center (SMC)/Navy PEO Space Systems/U.S. Army Space and Missile Defense Command)
  • Active TS/SCI security clearance

Benefits and Perks

Millennium Space Systems, A Boeing Company offers a very competitive benefits package to include medical, dental, vision, and 401k plan. Relocation assistance to Southern California can be provided. 

Before applying, please note:
Millennium is a DDTC-registered, ITAR-compliant company. This position is located at a facility that requires special access. Applicants MUST be U.S. citizens and eligible for a security clearance. Additionally, applicants must be willing to apply for and maintain a security clearance. We are proud to be an Affirmative Action/Equal Opportunity Employer. We encourage veterans, disabled veterans and disabled individuals to apply for any open position for which they feel they are qualified.

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