Cost Modeller

7 days ago

Canberra, ACT, Australia Amentum Full time $70,000 - $120,000 per year
  • Permanent above the line role within a leading Defence Major Service Provider
  • Canberra locations.
  • Australian citizen with NV1 clearance as a minimum.

Amentum is continually expanding our opportunities working on prominent Defence projects across air, land and sea supporting the critical capabilities that keep Australia safe. We have a growing presence in cyber, space and nuclear programs.

Tell me about this role:

Seeking a Cost Modeller with proven capability in developing and maintaining cost models for complex programs in accordance with Capability Costing Branch and the Integrated Investment Program. You will build and maintain through-life cost models to support procurement, investment decisions and value-for-money assessments.

What will I be doing day to day?

  • Build and maintain through-life cost models to support procurement, investment decisions and value-for-money assessments
  • Conduct scenario analysis, risk-adjusted costing, and sensitivity testing to inform strategic choices
  • Ensuring compliance with financial policies and audit requirements, providing robust evidence for approvals
  • Collaborate closely with finance, procurement, engineering and commercial teams to gather data and validate assumptions
  • Present cost model outputs in clear, actionable insights for senior decision-makers

What sort of skills do I need?

  • Must have a degree in Economics, Finance, Data Analytics or related field
  • Must have experience in cost estimation / modelling methodologies
  • Understanding of Defence financial frameworks and investment processes
  • Hold a minimum NV1 clearance (must be an Australian citizen)

What's in it for me?

  • Flexibility - We like our employees to have the flexibility they need to live the lives they choose. With flexible working options such as remote working where possible.
  • Inclusion - Our employees should feel safe bringing their whole self to work, we offer a number of programs promoting inclusion.
  • Benefits and Rewards – Our benefits and rewards includes additional superannuation; flexible leave options; salary continuation insurance; professional certification bonus; employee discount program.

Amentum: Trusted Partner in National Security

Amentum is a key service provider to the Australian Government, supporting critical national security and defence capabilities across land, air, maritime, cyber, space, nuclear, and digital domains. With over 880 professionals nationwide, we deliver complex infrastructure, logistics, and technical solutions with a strong focus on quality, safety, and innovation.

With 27+ years of experience and a presence in major cities and regions, we're proud of our people—our greatest asset. Join us and be part of a high-performing team with exceptional benefits and career opportunities. Apply directly or reach out to Shams Ruhani,

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