Defence Cybersecurity Engineer (NV1 Cleared)

About the job
Support critical Defence programs through cyber security engineering expertise

Flexible collaboration model

Short-term engagement

Work on high-assurance Defence environments

Contribute to complex systems and security outcomes

Proventus Group works with organisations operating in complex, high-stakes environments to strengthen operational capability, systems delivery, and assurance outcomes. Our focus is on helping clients address challenging technical and governance requirements through the integration of systems engineering, security, and operational delivery expertise.

We support organisations requiring specialist capability across Defence and related sectors, particularly where secure systems, compliance obligations, and structured engineering approaches are essential to program success.

The Opportunity

Proventus is seeking to collaborate with an experienced Cybersecurity Engineer for a part-time, short-term engagement supporting Defence-related work.

This role requires an individual with active NV1 security clearance, strong systems engineering expertise, and proven experience in the development of security documentation for Defence environments.

The role is suited to a professional based in Melbourne or Canberra who can contribute practical, structured support across cyber security engineering and assurance activities.

What You’ll Do

Develop and contribute to security documentation aligned to Defence requirements

Support cyber security engineering activities across complex systems environments

Work with technical and program stakeholders to ensure security requirements are captured and addressed

Apply systems engineering principles to support secure solution design and delivery

Assist with assurance, compliance, and documentation activities across Defence-related programs

Collaborate with client and delivery teams to support short-term project outcomes

What We’re Looking For

We are interested in professionals who bring:

Active NV1 security clearance

5+ years of experience in cyber security engineering or related roles

Proven experience developing security documentation for Defence environments

Strong systems engineering expertise in complex or regulated programs

Experience working within Defence, Defence industry, or other high-assurance government environments

Ability to engage effectively with technical teams, program stakeholders, and delivery leadership

Strong written communication and documentation capability

Based in Melbourne or Canberra

This opportunity may particularly suit an experienced cyber security professional, systems engineer, or Defence consultant seeking a flexible, part-time engagement.

Why Work With Proventus

Collaborate on meaningful Defence and high-assurance programs

Apply your expertise to complex security and engineering challenges

Flexible part-time engagement model

Opportunity to contribute to high-impact outcomes in a specialist delivery environment

Interested?

If you are an experienced Cybersecurity Engineer with active NV1 clearance, strong Defence documentation experience, and systems engineering capability, we would welcome a conversation. Get in touch with us at careers@proventus.au.