Cost Estimator

1 day ago


Canberra, ACT, Australia Downer Group Full time $80,000 - $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 multi-disciplinary advisory and delivery partner of choice for our clients in Defence and National Security.

We currently have an opportunity for a Cost Estimator in Canberra to work within a large project in the Defence Digital Group, aligning their cost policy with Defence Capability Costing policy and contributing to strategic uplift and professionalisation of cost estimation capability.

What You'll Do

This role offers a broad scope, with key role responsibilities including:

  • Assist the Chapter in reviewing and tailoring the Defence Capability Costing template for DDG ICT project contexts.
  • Support the drafting of DDG Cost Policy aligned with Defence Costing Policy.
  • Engage with relevant Defence stakeholders to ensure costing policy changes are fit-for-purpose for DDG ICT project management.
  • Facilitate feedback loops and alignment between Chapter objectives and broader Defence costing governance.
  • Contribute to workshops, clinics, and guidance materials focused on embedding costing discipline.
  • Provide technical input into the development of the Cost Estimation Capability Framework and accreditation pathways.

What You'll Bring

  • Proven experience in Cost Policy and estimation in Defence industry.
  • Excellent stakeholder engagement skills.
  • Prior experience in drafting Cost Policy and standardised costing template tailored for ICT projects.
  • Analytical and strategic thinking skills, with the ability to interpret complex data and contribute to capability planning and prioritisation.

Due to the nature of the work, you are required to currently hold and maintain a minimum Negative Vetting 1 or higher Security clearance as required by the Commonwealth. In some instances, compliance with International Traffic in Arms Regulations (ITAR) requirements may also be an inherent requirement.

More than anything, you'll bring a strong work ethic, a positive attitude, and a commitment to delivering high-quality outcomes for our clients.

Why Downer Professional Services

At Downer Professional Services, we're not just a workplace - we're a business dedicated to contributing to the shaping of the future of defence in Australia. As the country's only sovereign prime, we're committed to making a real difference in protecting Australia's interests.

What is means to belong at Downer Professional Services

  • Meaningful work: Help to deliver critical Defence projects that protect Australia and shape its future.
  • Professional development: Access career mapping, accelerated learning programs, and shared learning through our Communities of Practice.
  • Great perks: Enjoy discounts on healthcare, retail, vehicles, and more through .
  • Veteran support : Benefit from initiatives like up to 20 days of Reservist Leave to stay connected post-service.

You want your work to matter and so do we. With over 26,000 people across Australia, New Zealand and the Pacific, our team is made up of individuals with unique perspectives, backgrounds, and ideas.

We know that diversity makes us stronger and we actively celebrate it through our commitment to inclusion and belonging.

We're committed to building a team that reflects the diverse communities we serve and we welcome people of all ages, genders, sexual orientations, cultures, abilities, and lived experiences. We especially encourage applications from those whose voices have traditionally been underrepresented in our industry, including women, Aboriginal and Torres Strait Islander Peoples, Māori and Pasifika Peoples, veterans, people with disability, and neurodivergent individuals. Even if your experience doesn't align perfectly with this role, we'd still like to hear from you. If it feels like the right fit, apply - potential counts, and so do you.

As a WORK180 Endorsed Employer, we support flexibility that works for your life, inclusive leadership that values your voice, and equitable access to opportunity so you can do your best work and bring your whole self to it.

If you need support or adjustments through the recruitment process, just let us know, we're here to help you put your best foot forward.



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

    Downer Professional Services is proud to be Defence's strategic workforce partner within Joint Systems Division, following a competitive tender process. As part of this win, Team Downer MSP now support two critical system program offices within the JC4S Branch:Integrated Command, Control and Communications Systems Program Office (IC3 SPO)Integrated...


  • Canberra, ACT, Australia Advanced Plumbing & Drains Full time $90,000 - $120,000 per year

    About the role We are seeking a motivated and experienced Hydraulic Estimator and Operations Manager to join our dynamic team at Advanced Plumbing & Drains'. This full-time role in our Canberra office is pivotal to the success of our Construction business, responsible for providing accurate estimates and overseeing the day-to-day operations of our plumbing...

  • Cost Modeller

    2 weeks 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...

  • Cost Modeller

    2 weeks 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,...

  • Associate Director

    3 days ago


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

    Company DescriptionKPMG Australia is part of a global network providing extensive services across a wide range of industries and sectors. Our people collaborate, share their expertise and create innovation as we partner with clients to solve complex challenges, empower change, and drive disruption and growth.Working in the Consulting division, KPMG's Finance...


  • Canberra, ACT, Australia KBR, Inc. Full time $80,000 - $120,000 per year

    Title:Project Controls SpecialistReady to make your mark on Australia's most transformative infrastructure and defence projects?KBR is delivering across sectors like defence, rail, road, water, and energy — and we're growing fast. With major project wins under our belt, we're looking for a sharp, detail-driven Project Controls Specialist to join our...

  • Senior Consultant

    1 week 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...

  • Design Manager

    2 weeks ago


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

    Who We AreZinfra is a leading partner in the design, build, operation and maintenance of Australia's energy and utilities infrastructure. Delivering a $1B portfolio annually, the work we do is essential to bringing energy to our communities safely and reliably, while powering the nation's energy transition. With a diverse workforce of more than 2,300, we...


  • Canberra, ACT, Australia KPMG Full time $80,000 - $120,000 per year

    Project Managers – Defence InfrastructureCanberraOur Project and Program Delivery team offer multi-disciplinary planning, design, and delivery services, across all phases of the project lifecycle, from strategic engagements to specialist capability delivery.We offer integrated project management services, establish and operate program management offices,...

  • Solutions Architect

    1 week ago


    Canberra, ACT, Australia powerdata group consulting Full time $120,000 - $150,000 per year

    Role: Solutions ArchitectLocation: Hybrid - CanberraSecurity clearance: NV1Duration: 4x4-month ContractThis Government department client is looking to develop a more scalable, potentially cloud-based solution, designed to support agility, high performance, and operational efficiency. It will be capable of adapting to changing workloads and evolving business...