Senior Cost Estimating Specialist - Millennium Space Systems

Millennium Space Systems; El Segundo (CA); On-site; USD 113,900 - 167,500; Full time

Benefits offered by this job

Health insurance

Retirement savings plans

Paid time off

Job summary

Millennium Space Systems, a part of Boeing Defense, is seeking a Senior Cost Estimating Specialist for an onsite role in El Segundo, California. This position requires leading cost estimating efforts for Government projects, with a focus on compliance with government regulations.

The ideal candidate will have over 5 years of experience, strong communication skills, and advanced proficiency in Microsoft Excel. The company offers competitive compensation and a range of benefits including health insurance and retirement plans.

Qualifications

• 5+ years of experience leading major cost estimating efforts for a Government customer.
• Advanced proficiency with Microsoft Office, specifically Microsoft Excel.
• Must be able to obtain and maintain a TS/SCI security clearance.

Responsibilities

• Lead the cost estimating effort for Government projects.
• Analyze RFPs and other proposal documentation to develop cost estimates.
• Present cost estimates to executive leadership and participate in negotiations.

Skills

Analytical skills

Strong communication skills

Cost estimating

Microsoft Excel

Education

Master's degree in engineering or business

Tools

ProPricer

Job description

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 directly impact global security, including missile warning and Earth observation.

Position

Senior Cost Estimating Specialist – onsite role in El Segundo, California.

Position Responsibilities

• Lead the cost estimating effort, preparing detailed and accurate cost estimates for Government projects (Department of Defense, NASA, and other federal agencies).
• Analyze Requests for Proposals (RFPs), Statements of Work (SOWs), Technical Requirements Documents (TRDs), and other proposal documentation to develop cost estimates aligned 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 engineering solutions and cost estimates.
• Ensure compliance with FAR, DFARS, CAS, TINA, and other government regulations as necessary.
• Assist with program baselining and execution efforts.
• Track and analyze cost estimate versus actual costs to recommend mitigation strategies and identify opportunities for future proposals.
• 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)

• Must be able to obtain and maintain a TS/SCI security clearance.
• Knowledge of FAR, DFARS, CAS, and TINA.
• 5+ years of experience 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)

• Master’s degree in engineering or business domain.
• 8+ years of experience leading major cost estimating efforts for a government customer.
• Experience preparing and analyzing detailed cost summaries, learning 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 documentation including Technical Requirements Documents, Statements of Work, solicitation instructions, CDRL and GFX lists.
• 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.

Benefits

The company offers a competitive base pay and variable compensation opportunities. Eligible employees may enroll in health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, as well as paid and unpaid time off.

Pay Range

• Level 4: $113,900 - $167,500
• Level 5: $143,650 - $211,250

Security Clearance

Requires the ability to obtain a U.S. Top Secret/SCI clearance for which U.S. citizenship is required.

Legal and EEO Statements

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. EEO is the law.

Boeing EEO Policy. Request an Accommodation. Applicant Privacy.

Right to Work Statement

• Right to Work (English)
• Right to Work (Spanish)

E-Verify Participation

• E-Verify (English)
• E-Verify (Spanish)