Millennium Space Systems, A Boeing Company

Subcontracts Administrator

Subcontracts - El Segundo, CA - Full Time

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
We are looking for an entry level Subcontracts Administrator who will be reporting to the Subcontracts Manager.

The Subcontracts Administrator is responsible for preparing and modifying subcontract documentation, assists in analyzing subcontractor proposals and provides general administrative and clerical support to the legal department.

Job Duties Include But Are Not Limited To:

  • Provide subcontract administration support, including pre- and post- award subcontract administration
  • Negotiate and coordinate additions, deletions, and modifications to subcontracts
  • Review prime solicitation packages, and draft subcontract solicitation packages to support prime proposals.
  • Assist in analyzing subcontractor proposals.
  • Conduct price analysis evaluation of subcontractor proposals
  • Review subcontract documents for consistency and conformance
  • Act as a liaison between subcontractors and vendors as necessary
  • Maintain physical and electronic filing system.
  • Various office tasks such as typing, filing, photocopying.
  • Attend meetings as requested 
  • Perform other duties as reasonably required


  • Minimum of 3-5 years of experience in procurement and subcontract administration with contractors supporting federal contracts
  • Experience with the proposal process supporting federal acquisitions
  • Experience with various types of contracts, including FFP, CPFF Completion and LOE, T&M, and IDIQ types
  • Comfortable with implementing and adhering to DFAR and FAR regulations
  • Must be computer literate and have high proficiency skills with Microsoft Excel, Word and Outlook.
  • Very strong accuracy and attention to detail.
  • Excellent time management skills.
  • Capability to work on multiple projects simultaneously.
  • Must be able to be self-sufficient and work with minimal supervision


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 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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