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Senior Cost Analyst / Estimator – Space Acquisition

ACT1 Federal

Company websiteact1federal.com (ACT1 Federal, opens in new tab)

Base salary $125K  to $170K

Employer-published annual base salary, USD. Advertised base range in El Segundo, CA

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  • LocationEl Segundo, CA
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (2 h ago) · observed since

About this job

Position Title: Senior Cost Analyst / Estimator – Space Acquisition

Location: El Segundo, CA

Category: Contingent

Schedule (FT/PT): Full-Time

Travel Required: Up to 10%

Shift: Day

Remote Type: Onsite

Clearance required: Active Secret required; TS/SCI preferred

Division: Air and Space

Salary: $125,000 - $170,000 annually

Who is ACT1 Federal? ACT1 Federal LLC is a 100% employee-owned company. We’ve served the Department of Defense (DoD) for nearly thirty years. Our core missions include weapon systems engineering, logistics, space domain expertise, global defense and security, business and financial management for security assistance and major defense articles, as well as military training and arctic security. Join us!

***THIS POSITON IS CONTINGENT UPON CONTRACT AWARD***

Description: ACT1 Federal is seeking a Senior Cost Analyst / Estimator to support U.S. Space Force and Space Systems Command acquisition programs. The position provides cost-estimating, affordability, financial-analysis, and acquisition decision support for complex space systems and portfolios.

Responsibilities:

  • Develop, update, and evaluate program and life-cycle cost estimates supporting space acquisition programs.
  • Conduct cost research, data normalization, trend analysis, and development of cost-estimating relationships and models.
  • Analyze program technical, schedule, risk, and financial information to assess cost impacts and affordability.
  • Prepare cost assessments, independent analyses, executive briefings, and decision-support products.
  • Support acquisition planning, milestone reviews, budget/POM activities, program reviews, and funding decisions.
  • Coordinate cost-estimating inputs with program management, engineering, contracting, financial management, and other functional stakeholders.
  • Identify cost risks, assumptions, data limitations, and potential mitigation approaches.
  • Maintain supporting cost data, documentation, models, and traceability for Government review.

  Requirements:

  • Bachelor’s degree in economics, Finance, Mathematics, Engineering, Operations Research, Business, or a related quantitative discipline.
  • 8+ years of DoD cost-estimating, cost-analysis, financial-analysis, or closely related acquisition experience; 10+ years preferred for senior-level placement.
  • Experience developing life-cycle cost estimates and supporting major defense or space acquisition programs.
  • Strong quantitative, analytical, modeling, documentation, and presentation skills.
  • Experience with ACEIT or comparable cost-estimating tools and advanced Microsoft Excel strongly preferred.
  • Knowledge of DoD acquisition, PPBE, affordability, risk, and milestone-review processes.
  • S. Space Force, Space Systems Command, Air Force, or former SMC space acquisition experience strongly preferred.
  • Active Secret clearance required; TS/SCI preferred.
  • US. Citizenship required.

Benefits:

  • Medical/Dental/Vision Insurance
  • ACT1 Employee Stock Ownership Plan (ESOP)
  • Company Paid Life and AD&D Insurance
  • Company Paid Short-Term Disability
  • Voluntary Long-Term Disability
  • Flexible Spending Accounts (FSA)
  • Health Savings Account (HSA)
  • 401K with employer match
  • Paid Time Off
  • Paid Holidays
  • Parental Leave
  • Military Leave
  • Education, Training & Professional Development
  • Voluntary Accidental Injury/Critical Illness/Hospital Care
  • Voluntary Pet Insurance, Legal Resources, and Identity Protection

Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.

  • If this position is listed as remote or hybrid, you’ll periodically work from a ACT1 Federal or client site facility.
  • If this position is listed as onsite, you’ll work with colleagues and clients in person, as needed for the specific role.

 All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local or international law.

Source: ACT1 Federal on Greenhouse · View original posting (opens in new tab)

This range next to 6 other live ACT1 Federal roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live ACT1 Federal roles with the nearest advertised base floor
RolePublished base
Senior Cost Analyst / Estimator – Space Acquisition (this listing)$125K - $170K
Business Operations / ETMS2 Analyst$125K - $165K
F-35 Interoperability Analyst$125K - $145K
F-35 Pilot Training Support Analyst, Senior$122K - $149K
F-35 Communications Engineer, Senior$130K - $148K
Program Analyst - Tasker$130K - $150K
Senior Program Management Analyst – Aircraft Launch and Recovery Equipment (ALRE)$130K - $160K

Same $100K to $400K scale as every card. All ACT1 Federal roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-10-13
Where this pay comes from

Location as the employer wrote it: El Segundo, CA

Salary: $125,000 - $170,000 annually

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.