Cyber & Security Specialist

Amentum is a leader in global engineering, project management and solutions integration, trusted to modernise the most critical missions anywhere in the world. Driven to create a safer, smarter, cleaner world, we innovate as a team of inventive doers passionate about making a difference. Underpinned by a strong culture of ethics, safety and inclusivity. Amentum is fiercely committed to operational excellence and successful execution.

Are you seeking a career that offers a healthy work-life balance, a friendly company culture, and engagement with a supportive community?

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

Amentum is proud to be an Equal Opportunity Employer, please refer to our Enterprise Agreement and for more information.

Role Title: Cyber and Security Specialist

Primary Responsibilities:

The Cyber & Security Specialist is responsible for developing a suite of cybersecurity artefacts required to obtain Authority to Operate (ATO) through Defence Cyber and Information Assurance Branch (DCIAB) for the Landing Craft Medium (LCM), Landing Craft Heavy (LCH), and Amphibious Vehicle - Logistics (AVL) systems. This includes preparing Security Authorisation Plans, System Security Plans, Business Impact Level Assessments, Security Risk Management Plans, and any additional documentation needed to meet accreditation requirements. The role ensures that all cybersecurity governance, risk, and assurance activities are completed to the required standards to support secure, compliant system operation within the program.

The key responsibilities of the role include, but are not limited to:

- Participate in Security Working groups with an aim develop and mature the Cybersecurity artefacts
- Support Design Reviews and provide cyber security related advice
- Engage other support agencies such as DNE and Army-ICT to support the development of other key Cyber security documentation
- Engage and work with DCIAB to submit and seek consent for Approval to Operate (ATO) certification for all platforms
- Identify any technical risks and develop technical risk assessments
- Participate in technical meetings

Required Security Clearance Level: NV1

Location: Canberra

Weekly Hours: 40

Compensation Details:

AUD

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

03/12/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at .