Network Engineer

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 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 Network Engineer in Canberra to develop the network and infrastructure architecture required to integrate space, ground, control, terminal, commercial, and partner-provided capabilities with Defence ICT environments.

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

• Define network boundaries, terrestrial backhaul, routing, addressing, security controls, hosting dependencies, and service connectivity across Defence, commercial, and military partner networks.
• Coordinate network integration activities with Defence ICT authorities, service providers, suppliers, and operational stakeholders to ensure SATCOM services can be securely provisioned, monitored, supported, and operated as part of the Enterprise ADF SATCOM capability.
• Develop and assure the network and infrastructure architecture required to integrate space, ground, control, terminal, commercial, and partner-provided capabilities with Defence ICT environments.

• Demonstrated experience designing and integrating secure enterprise networks across Defence, commercial, cloud, deployable, or operational ICT environments.
• Experience coordinating network integration across multiple delivery organisations, service providers, system owners, and accreditation authorities.
• Proven ability to define network architectures, interfaces, routing, addressing, backhaul, gateway, firewall, proxy, and security-zone requirements.
• Experience assessing network performance, availability, resilience, capacity, monitoring, and service-assurance requirements.
• Experience producing network architecture products, interface definitions, integration specifications, test requirements, and technical recommendations that inform procurement and capability acceptance.
• Familiarity with Defence network architecture, the Single Information Environment, Defence Terrestrial Communications Network, commercial SATCOM gateways, and SATCOM Points of Presence is highly desirable.

Due to the nature of the work, you are required to currently hold and maintain a Security clearance as required by the Commonwealth.

In some instances, compliance with International Traffic in Arms Regulations (ITAR)

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.

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.