Senior Cost Estimating Specialist - Millennium Space Systems

May 19, 2026

$114K - $211K

Company: 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 direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen. 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. This position's internal job is Estimat & Pricing Spec. Our team is currently hiring for a level 4 or 5. Position 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 verses 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 Basic Qualifications (Required Skills/Experience): 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 Preferred Qualifications (Desired Skills/Experience): Master’s degree in engineering or business domain 8+ years of experience in leading major cost estimating efforts for a government customer Experience preparing and analyzing detailed cost summaries, learnings curves, cash flows, liability profiles and other price summaries required for corporate approval packages Experience generating work breakdown structures, cost estimates and associated cost volumes Experience working with technical and other functional teams to develop accurate and reliable cost estimates Experience reviewing proposal request for proposal documentation including, but not limited to, Technical Requirements Documents, Statement of Works, solicitation instructions, CDRL and GFX lists, etc. Experience generating basis of estimates and bill of materials prior to engineering and functional inputs Experience reviewing and generating proposal Integrated Master Schedules, DCMA 14 point checks, and/or Schedule Risk Assessments Experience with risk analysis, specifically the cost and schedule quantification of risks High level understanding of the design, development, and/or operations of space vehicles Experience with DoD and/or Intelligence Community proposals Experience with ProPricer or other relevant pricing software Conflict of Interest: Successful candidates for this job must satisfy the Company’s Conflict of Interest (COI) assessment process. Drug Free Workplace: 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, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies. Total Rewards: At Millennium Space Systems, a Boeing Company, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements. Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary pay range: Level 4: $113,900 - $167,500 Level 5: $143,650 - $211,250 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 encourage all interested candidates to apply for any open position for which they feel they are qualified. Language Requirements: Not Applicable Education: Not Applicable Relocation: Relocation assistance is not a negotiable benefit for this position. Export Control Requirement: This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a U.S. Person as defined by 22 C.F.R. §120.62 is required. U.S. Person includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee. Safety Sensitive: This is not a Safety Sensitive Position. Security Clearance: This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Top Secret/SCI Clearance Post-Start is required. Employer will not sponsor applicants for employment visa status. This position is not contingent upon program award Shift: Shift 1 (United States of America) Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning Boeing is 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. #J-18808-Ljbffr Dormont Manufacturing Co