Join our Downer Qualified Services team and play a key role in delivering complex defence and national security projects that safeguard Australia’s future.

Downer Professional Services comprises of three business units our Technical, Advisory, and Capability consulting practice, and Team Downer, which partners with CASG and NSSG as a major service provider to Defence. Together, we are a multi-disciplinary advisory and delivery partner of choice for clients across Defence and National Security.

We currently have an opportunity for a Test and Evaluation Practitioner in Melbourne to design and deliver assigned Test and Evaluation (T&E;) activities while also providing critical support to the Platform Integration Team. This is a self‑driven, hybrid role operating across both T&E; and engineering functions, requiring the candidate to work closely with the Project Manager, Army stakeholders and commercial partners.

The successful candidate will be expected to develop a strong understanding of all existing C4 equipment and integration work undertaken by PLATIES. They will provide informed, high‑quality engineering and T&E; advice to support future work take‑ons, platform upgrades and capability decisions.

What You’ll Do

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

- Developing, reviewing and maintaining Test and Evaluation Strategy (TES), Test and Evaluation Master Plans (TEMP) and associated T&E; artifacts, while actively engaging with key stakeholders across the capability lifecycle.
- Managing risk and performing Verification and Validation (V&V;) processes to ensure compliance with system, safety and performance requirements.
- Performing mechanical engineering duties such as CAD modelling and design review, and contributing to the development, analysis and integration of engineering solutions.




- Conducting and/or supporting Preview T&E; (PT&E;), Developmental T&E; (DT&E;), Acceptance T&E; (AT&E;), Operational T&E; (OT&E;) and In‑Service T&E; activities in accordance with Defence requirements.
- Executing system T&E; or trial activities and producing high‑quality T&E; reports and technical assessments.

What You’ll Bring

- A qualified T&E; practitioner with relevant and recent defence industry experience.
- Good understanding of Defence T&E; Systems Engineering concepts.
- Understanding of the One Defence Capability System (formerly the Capability Life Cycle).
- Previous & current experience and thorough understanding of T&E; policies.
- Excellent communication skills and a strong professional presence.

Due to the nature of the work, you are required to currently hold and maintain an AGSVA 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 Perks@Downer.
- 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.

📌 Test and Evaluation (T&E) Practitioner (Melbourne)
🏢 Downer
📍 Melbourne