New Business Project Manager - Millennium Space Systems

Job Description

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Millennium Space Systems (MSS), a part of Boeing Defense, Space and Security (BDS) is seeking a New Business Project Manager to support our team in El Segundo, CA
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As a New Business Project Manager at Millennium Space Systems, you will operate at the intersection of business development and program execution—helping shape pursuits, support capture and proposal efforts, and stand up newly awarded programs. You’ll work across technical, pricing, supply chain, contracts, and scheduling functions to ensure new opportunities are executable and positioned for success. You may also serve as part of the transitional team for new contracts.

This role reports to the VP of Business Development.

This position's internal job code is Marketing & Sales Rep. Our team is currently hiring for levels 4‑5.

• Lead or support developing/compiling accurate BOEs, BOMs, MELs, IMS inputs, vendor data, and other proposal artifacts. Develop and maintain a reusable library to support future proposals

• Support capture and proposal efforts by coordinating with Engineering, Supply Chain/Subcontracts, Contracts, Scheduling, and Finance to define scope, schedule, cost, and risk

• Generate subcontractor and vendor Statements of Work (SOWs) and coordinate RFPs with subcontract managers

• Lead or support risk, executability, and resource assessments to ensure proposed solutions are realistic and competitive

• Support corporate gate reviews, pricing and other strategy discussions, and executive briefings

• Identify, qualify, and shape business opportunities with government, commercial, and international customers

• Lead and/or support transition efforts to standup new programs and lead and/or support execution of short duration studies

This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options.

This position must meet Export Control compliance requirements, therefore a “U.S. Person” as defined by 22 C.F.R. § 120.15 is required. “U.S. Person” includes US Citizen, lawful permanent resident, refugee, or asylee.

• Bachelor’s degree in Engineering, Technical Management, or Business Administration (STEM strongly preferred)

• Five (5)+ years of relevant experience in space systems, defense, or aerospace industries

• Demonstrated experience managing small to mid-scale projects or programs

• Experience supporting new business capture and proposal development including technical, management, scheduling, and pricing

• Proven ability to collaborate across technical, business, and operational teams

• Excellent organizational, analytical, and communication skills with ability to produce executive-level briefings

• This position requires an active U.S. Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active)

• Master’s degree in Engineering, Systems Management, or Business (MBA, MS)

• Ten (10)+ years of experience across engineering, project management, and business development or capture roles

• PMP (PMI) or INCOSE CSEP certification

• Experience supporting DoD, Intelligence Community, or NASA programs

• Familiarity with EVMS, MS Project, and formal risk management processes

• Experience developing proposals or technical solutions under FAR-based contracts

• Demonstrated success leading multi-disciplinary teams in fast-paced environments

Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Millennium Space Systems, a Boeing Company, is a Drug Free Workplace (DFW) where post‑offer applicants and employees are subject to testing for marijuana, cocaine,…