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:

Amentum is seeking Expressions of Interest from experienced Cyber Security professionals to support upcoming and current Defence and Government programs across a range of capability domains. These opportunities span projects across Defence air, maritime and joint capability programs, including the Air, Surface & Surveillance, Air Combat Systems, Army Aviation, Maritime, ICT and other Commonwealth organisations.

Our teams contribute to a broad range of cyber security activities, including cyber engineering, security architecture, governance, risk and compliance, cyber assurance, certification and accreditation, Cyberworthiness & Assurance, Authority to Operate (ATO) requirements, threat intelligence, threat hunting, incident response and vulnerability management.

These range of activities will better equip the ADF to manage Cyber threats. As the range of threats grows, so does the need for systems that are robust.

What sort of roles are we interested in?

- Cyber Security Engineering
- Cyber Security Architecture
- Cyber Security Advisory & Consulting
- Cyber Governance, Risk & Compliance (GRC)
- ICT Security Certification & Accreditation
- Cyber Threat Intelligence
- Threat Hunting & Threat Emulation
- Vulnerability Assessment & Penetration Testing
- Incident Response & Digital Forensics
- Security Operations & Monitoring
- Secure Systems Engineering & DevSecOps

What sort of skills do I need?

- Tertiary qualifications in Cyber Security, Information Technology, Computer Science, Engineering or a related discipline.
- Experience delivering cyber security outcomes within Defence, Government or other highly regulated environments.
- Experience supporting ICT Security Certification & Accreditation (C&A;) activities.




- Understanding of Defence Cyberworthiness requirements and Defence Cyberworthiness & Assurance Board (DCIAB) frameworks.
- Experience developing, reviewing or managing security artefacts required to support Authority to Operate (ATO) decisions and ongoing security assurance activities.
- Knowledge of Australian Government and Defence security frameworks and standards, including ISM, DSPF, RMF, NIST and ISO 27001.
- Experience identifying, assessing and managing cyber security risks and vulnerabilities across ICT and Operational Technology (OT) environments.
- Experience with security architecture, system design reviews, secure system engineering or DevSecOps practices.
- Strong stakeholder engagement, communication and technical documentation skills.
- Ability to work collaboratively across Defence, industry and multidisciplinary delivery teams.
- Australian Citizenship with an NV1 security clearance as a minimum.

What’s in it for me?

- Flexibility - We like our employees to have the flexibility they need to live the lives they choose. With adaptable working options such as WFH where possible.
- Inclusion - Our employees should feel safe bringing their whole self to work, we offer a number of programs promoting inclusion.
- Advantages and Rewards – Our benefits and rewards includes additional superannuation; flexible leave options; salary continuation insurance; skilled certification bonus; employee discount program.

Amentum: Trusted Partner in National Security

Amentum is a key service provider to the Australian Government, supporting critical national security and Defence capabilities across land, air, maritime, cyber, space, nuclear, and digital domains. With over 880 professionals nationwide, we deliver complex infrastructure, logistics, and technical solutions with a strong focus on quality, safety, and innovation.

With 27+ years of experience and a presence in major cities and regions, we’re proud of our people—our greatest asset. Join us and be part of a high-performing team with exceptional benefits and career opportunities. Apply directly or reach out to Kiran Koranga, [email protected]

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