Defence Engineering Service Network

We are proud to become a new Australian Department of Defence partner, offering career opportunities to support the delivery of Property and Asset Services across South Australia and the Northern Territory.

We have an opportunity available for a
Defence Engineering Service Network (DESN) Portfolio Manager
to support us in this contract. This is a permanent full-time position that could be based at any key sites across South Australia including Edinburgh, Keswick and Woomera.

About us

Service Stream is an equal opportunity ASX-listed business that develops and operates Australia's essential services networks across telecommunications, utilities, transport, defence, and social infrastructure industries -
we keep communities connected.

Your next role comes with these perks:

• Career development – we offer growth opportunities and support internal mobility. You will have access to skill enhancement through our online learning system and onsite training. Mentoring and leadership development programs may also be available.
• Access - discounts for hundreds of businesses such as Woolworths, Air BNB, The Iconic, JB HI-FI, Dan Murphys, Bupa Health Care, and Specsavers. We also offer access to novated leasing and a share matching program.
• Paid leave - parental, cultural, community service, defence, study, corporate volunteering and purchased leave available.
• Culture – we are dedicated to fostering a workplace environment that values diversity and inclusion, and meaningful recognition. You will play a key role in building the culture of our new team.

About the role

In this leadership role, you will oversee the strategic planning, execution, and governance of multiple engineering and ICT programs within the Defence Engineering and Secure Networks (DESN) domain. You will ensure alignment with Defence capability objectives, managing cross-functional teams, and driving the delivery of secure, resilient and scalable networked systems across classified environments.

Your key responsibilities will include:

• Leading and managing the DESN portfolio, ensuring delivery of complex engineering and ICT projects within scope, budget and schedule.
• Developing and maintaining portfolio roadmaps aligned with Defence strategic priorities and capability lifecycle.
• Overseeing governance, risk management, and compliance across all DESN initiatives.
• Coordinating with Defence stakeholders, contractors, and technical teams to ensure integration and interoperability of systems.
• Ensuring alignment with Defence Capability Lifecycle, ICT policies, and cyber security frameworks.
• Supporting workforce planning, mentoring, and development of engineering and project staff.

About you

Our ideal candidate will have:

• Significant experience in Defence portfolio or program management, with a proven track record in leading multi-disciplinary teams across secure ICT and engineering domains.
• Strong understanding of Defence procurement, capability lifecycle, and technical regulations.
• Experience with secure network systems, DBSTP platforms, and classified environments.
• High-level stakeholder engagement and communication skills
• Bachelor degree qualifications in Engineering, ICT, Project Management or related discipline.
• Certifications such as PMP, PRINCE2 or equivalent are highly desirable.
• Valid driver's licence.

You must be an Australian Citizen and able to obtain and maintain a Defence Security Clearance.

How to apply

Please submit your interest with the apply button where you will be directed to create a profile on our system. Applications may be reviewed before the closing date, so please don't hesitate to apply

We celebrate diversity at Service Stream and welcome applications from people who identify as Aboriginal and/or Torres Strait Islander, people with a disability or neurodivergence, and those from LGBTIQA+, Veteran or other diverse groups. Applications are unable to be accepted via email. If you require any reasonable adjustments to the recruitment process, please email