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Cyber Security Manager

Amentum
Posted onFeb 12, 2026
LocationSydney, New South Wales, Australia (On-site)
Employment typeFull-time

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 www.fairwork.gov.au for more information

Essential Qualifications:  

  • Cert IV (or equivalent) in either Cyber Security or Intelligence Operations or Security and Risk Management.  
  • Certified SAFe® Practitioner (mandatory for all COSPO personnel - can be completed  upon engagement).  

Desirable:  

  • Degree qualification in Cyber Security  
  • CISM, CISSP, SSCP or other equivalent certifications  
  • Specialist cyber security certifications (e.g. SANS or equivalent)  
  • Information security Registered Assessors Program (IRAP) certification  

Essential Experience:  

  • ICT Security Governance, Risk and Compliance (GRC) or equivalent experience 
  • Open source intelligence analysis, risk assessments and technical reporting  
  • SOC based’ Cyber Incident response, as both an analyst and manager  
  • Threat modelling, threat hunt planning and execution  
  • SIEM optimisation and tuning  
  • Supply chain risk assessments and reporting  
  • Vulnerability assessment and management  


Desirable:

  • Have held a Security Operations Centre (SOC) role
  • MITRE ATT&CK experience  
  • SCAP, STIG and CIS standards experience  
  • Agile / Scrum experience  
  • DevSecOps and CI/CD pipeline security   
  • Network and host digital forensics  
  • SIEM design and deployment  
  • Containerisation security controls and logging  
  • Australian military or Department of Defence experience  
  • Australian intelligence organisational collaboration / experience  

Required Security Clearance Level: NV1 or higher 

Location: Canberra 

Weekly Hours: 40hrs

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:

02/12/2026 - 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 Labor Laws Posters.

Amentum is a global leader in advanced engineering and innovative technology solutions, serving government and private-sector clients with critical mission support across national security, environmental management, and nuclear operations.

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