Organisational Change Manager | Naval Infrastructure
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:
Join a major Defence infrastructure program where you'll play a key role in helping people, teams and leaders successfully navigate organisational change and transformation.
Working closely with senior stakeholders, you'll support change initiatives that improve organisational readiness, strengthen leadership capability and embed new ways of working across a complex, fast-paced environment.
This is an opportunity for an experienced change professional who enjoys influencing outcomes, building stakeholder relationships and delivering practical change solutions that make a real impact.
What will I be doing day to day?
Assess organisational readiness and identify areas requiring change support
Conduct change impact assessments and develop change management plans
Support leaders to effectively communicate and lead change initiatives
Deliver stakeholder engagement activities across diverse teams and functions
Develop and implement communication strategies and change materials
Facilitate workshops, briefings and feedback sessions
Coordinate onboarding, team integration and culture-building initiatives
Identify training needs and support capability development activities
Measure adoption, track change outcomes and provide senior leadership reporting
Contribute to continuous improvement of change management tools, frameworks and processes
What sort of skills do I need?
Proven experience delivering organisational change initiatives in complex environments
Strong stakeholder engagement and relationship management skills




Ability to influence and coach leaders at multiple levels of an organisation
Experience conducting change impact assessments and readiness evaluations
Excellent written and verbal communication skills
Strong facilitation, workshop delivery and presentation capabilities
Ability to manage competing priorities across multiple projects simultaneously
Experience developing change, communication and engagement plans
Analytical mindset with the ability to interpret data and measure change outcomes
Relevant change management certification and experience applying structured methodologies
Defence, infrastructure, major project or transformation experience highly regarded
Current Australian Government Security Clearance (Baseline, NV1 or NV2)
What's in it for me?
Flexibility -We like our employees to have the flexibility they need to live the lives they choose.
With flexible 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.
Benefits and Rewards –Our benefits and rewards includesadditional 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 Jeremy Parkinson, @global.amentum.com.
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📌 Organisational Change Manager | Naval Infrastructure (Adelaide)
🏢 Amentum Australia Proprietary
📍 Adelaide