Cost Modeller

7 days ago


Canberra, ACT, Australia Amentum Australia Proprietary Limited Full time $80,000 - $120,000 per year

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, 


  • Cost Modeller

    7 days ago


    Canberra, ACT, Australia Amentum Full time $90,000 - $120,000 per year

    Permanent above the line role within a leading Defence Major Service ProviderCanberra 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,...

  • Cost Estimator

    2 weeks ago


    Canberra, ACT, Australia Jigsaw Corporation Full time $90,000 - $120,000 per year

    Develop Cost Estimation ModelsDefence Costing tool experience requiredTo be considered for this contract you will need to be an Australian citizen and have a NV1 security clearance in place as a minimum. Contract is due to commence in September 2025.This Defence agency's Costing Directorate seeks to contribute to Strategy and Plans Branch's ability to assess...

  • Cost Estimator

    1 week ago


    Canberra, ACT, Australia Downer Group Full time $90,000 - $120,000 per year

    Join our Downer Professional Services team and play a key role in delivering complex defence and national security projects that safeguard Australia's future.Downer Professional Services is comprised of two business units, our Technical, Advisory, and Capability consulting practice and Team Downer, a major service partner to Defence. Together, we are a...

  • Consultant to Manager

    2 weeks ago


    Canberra, ACT, Australia MinterEllison Full time $100,000 - $150,000 per year

    Location: CanberraContract Type: PermanentMinterEllison is one of Australia's largest independent law and consulting firms. With a heritage of almost 200 years, we are known for our excellence, and our authentic and enduring relationships with our clients, our people and our communities.MinterEllison helps our clients to solve complex problems every day. We...

  • Senior Consultant

    2 days ago


    Canberra, ACT, Australia KPMG Full time $120,000 - $180,000 per year

    Join a market-leading team at KPMG Australia, where we collaborate with Australia's largest government and public sector clients to deliver strategic financial advisory and transformation services. Our multidisciplinary team combines deep expertise in financial control, costing, reporting, and commercial advisory to help clients navigate complex challenges...

  • Business Analyst

    2 days ago


    Canberra, ACT, Australia Agylex Full time $120,000 - $150,000 per year

    AN AUSTRALIAN CITIZEN WITH ACTIVE NV1 SECURITY CLEARANCE.Job Specific role descriptionThe successful candidate/s will have a proven record of accomplishment in the analysis and design of successful business outcomes and strong client engagement. They will develop the Departments understanding of Agile by creating user stories, engaging with business units,...


  • Canberra, ACT, Australia Infinite Consulting Pty Ltd Full time $120,000 - $180,000 per year

    Cloud Service Manager – TSPV Cleared 12 months contract + 2x12-months extension optionsAustralian Citizens with current TSPV clearanceACT – OnsiteOur esteemed Federal Govt. client is seeking a Cloud Service Manager – TSPV Cleared to implement, manage and retire the infrastructure (including physical, virtual, networking and cloud infrastructure) that...


  • Canberra, ACT, Australia Aldea Healthcare Consulting Full time $104,000 - $156,000 per year

    We are looking for a skilled and compassionate Clinical or General Psychologist to join our multidisciplinary in-clinic healthcare team in Canberra. Our mixed billing practice includes experienced GPs and medical specialists, all committed to delivering high-quality, integrated patient care under one roof. This permanent position offers a steady stream of...


  • Canberra, ACT, Australia Compas Pty Ltd Full time $90,000 - $120,000 per year

    IT Asset Manager **Location: ACT TSPV clearance required.** Take the lead in managing the entire lifecycle of software assets across a large, complex ICT environment. This critical role is responsible for ensuring compliance, cost optimisation, and efficiency through effective Software Asset Management (SAM). If you bring a deep understanding of licensing...


  • Canberra, ACT, Australia Palisades Australia Pty Ltd Full time $100,000 - $150,000 per year

    About UsPalisades is an Australian-owned professional services firm supporting Commonwealth agencies with procurement advisory, commercial negotiations, and workforce enablement. We are establishing a register of consultants to support upcoming Commonwealth ICT procurement and commercial advisory engagements.About the RegisterWe are seeking expressions of...