Platform and Auxiliary Systems Engineer | Defence Maritime
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
This is a senior engineering role working within a complex Defence maritime environment, supporting the delivery and sustainment of critical capability. You will operate as part of a multidisciplinary team, contributing to engineering governance, technical assurance, and the delivery of system‐level outcomes across the full lifecycle.
The role focuses on ensuring engineering solutions are fit for purpose, protected, and aligned to operational needs. You'll be involved in everything from requirements definition and design activities through to validation, sustainment planning, and ongoing technical support. It's an opportunity to work on nationally significant projects while collaborating closely with internal stakeholders, industry partners, and technical specialists.
What will I be doing day to day?
Capture, analyse, and manage system requirements to ensure they are clear, traceable, and meet operational needs
Support and contribute to engineering design activities, including development and assessment of design changes
Conduct technical investigations and provide solutions to complex engineering issues
Prepare technical documentation such as scopes of work, reports, and lifecycle engineering artefacts
Contribute to safety engineering activities including hazard identification, risk assessment, and safety case development




Plan and support verification and validation activities to ensure systems meet required standards and performance expectations
Assist in developing sustainment and maintenance planning requirements
Support logistics and engineering integration activities, including inventory and supportability considerations
Provide technical advice and collaborate with a wide range of stakeholders across engineering, operations, and supply chain
Ensure activities align with relevant engineering governance frameworks, standards, and best practices
What sort of skills do I need?
Degree‐qualified engineer (Mechanical, Mechatronics or similar discipline)
Strong experience working in maritime and/or Defence engineering environments
Demonstrated systems engineering experience across the full capability lifecycle (requirements, design, verification & validation, sustainment)
Experience with engineering change management and technical problem‐solving
Understanding of engineering governance, safety, and regulatory frameworks
Experience supporting sustainment, logistics, or asset management activities
Strong analytical and organisational skills with attention to detail
Ability to communicate complex technical information clearly to a variety of stakeholders
Proven ability to build effective working relationships in multidisciplinary teams
Australian citizenship and an NV1 security clearance
What's in it for me?
Flexibility – Flexible working arrangements where possible
Inclusion – A workplace where you can bring your whole self to work
Benefits & Rewards – Additional super, flexible leave, salary continuation insurance, professional certification bonuses, and employee discounts
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📌 Platform And Auxiliary Systems Engineer | Defence Maritime (New South Wales)
🏢 Amentum
📍 New South Wales