Job Description

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

This function will work under limited direction to perform and achieve budget, cost modelling, and commercial tasks within the scope of multiple programs. MSP member will liaise with stakeholders of all levels, building good working relationships.

Essential Requirements

• Leading and supporting budgeting, financial management in accordance with the AIR6015 Open Plan Professional (OPP) scheduling tool
• Leading and supporting budgeting, financial management in accordance with the scheduling tool and reporting.
• Assisting in determining the appropriate phasing's for future CASG procurement in the context of portfolio budget pressures and to CASG direction.
• Contributing towards broader Cooperative Project cost estimation, financial management and accounting expertise in the broader CASPO Enterprise, including knowledge transfer.
• Contributing towards broader Cooperative Project cost estimation, financial management and accounting expertise in the broader CASPO Enterprise, including knowledge transfer.
• Providing guidance and assisting with training and personal development planning to grow the commercial financial (cost modelling) acumen of the team; and providing input into, and clearance of, key planning documents.
• Undertake data analytics and data visualisation activities using appropriate tools to improve insight and visibility of costing and funding information.
• Design, develop and maintain reporting dashboards and analytical products that present complex financial data clearly, reliably and in line with stakeholder requirements.
• Ensure all costing and funding outputs comply with Defence financial frameworks, policies and governance requirements.
• Support the audibility, transparency and assurance of costing and funding information, including the maintenance of appropriate evidence and documentation.
• Establish and maintain collaborative, professional working relationships with internal team members and a broad range of stakeholders.
• Develop and maintain cost estimates that are consistent, transparent, repeatable and fit-for purpose, using approved methodologies.
• Obtain, record and manage supporting documentation and evidence to underpin cost estimates.
• Review and advise on financial aspects of procurement activities.
• Effective engagement of stakeholders and subject matter experts to facilitate outcomes (e.g. communicating effectively with areas of expertise).

Desirable Requirements

• Strong Communication Skills
• Demonstrated Stakeholder engagement skills.
• Ability to prioritise and adapt to changing work demand
• Effective engagement of stakeholders and subject matter experts to facilitate outcomes (e.g. communicating effectively with areas of expertise).
• Accounting degree is highly desirable but not essential
• Extensive experience working in a forecast modelling or cost estimation, within a Defence environment.
• Demonstrated understanding of SPO business

Required Security Clearance Level Active NV1 Clearance.

Location Amberley QLD.

Weekly Hours Monday to Friday / 40 hours per week, with options for work from home on Friday's - depending on task requirements

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:

06/10/2026 - 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