Senior Cost Estimating Specialist

About the Position

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Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have a direct impact on global security, like missile warning and Earth observation.

We are seeking a Senior Cost Estimating Specialist who will be responsible for leading major cost estimating efforts for Millennium Space Systems. As a member of the Estimating team, you will be accountable for the development of cost estimates and all associated cost articles (basis of estimates, bill of materials, work breakdown structures, cost volumes, etc.), ensure accuracy and reasonableness, and collaborate with cross-functional teams to support business growth. This is an onsite role in El Segundo, California.

Responsibilities

• Lead the cost estimating effort in preparing detailed and accurate cost estimates for government (Department of Defense, NASA, and other federal agencies) projects.
• Analyze Requests for Proposals (RFPs), Statement of Works (SOWs), Technical Requirements Documents (TRDs), and other proposal documentation to develop cost estimates that align with customer requirements.
• Generate submission-ready cost proposal articles, including cost volumes, rate justifications, bill of materials, basis of estimates, supplier consent packages, etc.
• Work closely with program management, engineering, finance, and contracts to ensure alignment between the engineering solutions and cost estimates.
• Ensure compliance with Federal Acquisition Regulations (FAR), Defense Federal Acquisition Regulation Supplement (DFARS), Cost Accounting Standards (CAS), Truth in Negotiations Act (TINA), and other government regulations, as necessary.
• Assists with program baselining and execution efforts.
• Track and analyze cost estimate versus actual costs to recommend mitigation strategies to resolve the deltas and identify opportunities to inform future proposal efforts.
• Conduct risk analysis, what-ifs, and cost realism assessments to ensure pricing accuracy and executability.
• Generate detailed cash flow projections.
• Present cost estimates and pricing strategies to executive leadership and participate in customer negotiations and other cost discussions.
• Continually assess and improve the estimating processes and tools used by the team to maintain efficiency and accuracy.
• Support audit reviews by government agencies, including DCMA and DCAA, ensuring transparency and adherence to cost estimating policies and procedures.

Requirements

• Must be able to obtain and maintain a TS/SCI security clearance.
• Knowledge of FAR, DFARS, CAS, and TINA.
• 5+ years of experience in leading major cost estimating efforts for a Government customer.
• Strong communications and analytical skills necessary to articulate pricing strategy to senior business and finance leaders.
• Advanced proficiency with Microsoft Office, specifically Microsoft Excel.

We Offer

• Competitive salary ranging from $113,900 to $211,250 based on experience and qualifications.
• Comprehensive benefits package including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and more.
• Opportunity to enroll in various benefit programs, including paid and unpaid time away from work.

About the Company

At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage, and retain the top talent. We are committed to environmental stewardship and are an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status, or other characteristics protected by law.