Commercial Officer
- Location
- OC-AUS-Williamtown NSW
- Work mode
- On-site
- Employment type
- Full-time
About the job
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.
Role Description : This function will work under limited direction to perform and achieve moderately complex commercial tasks within an integrated workforce. They will liaise with stakeholders of all levels, building good working relationships and providing a point of contact for all inquiries as a finance officer relating to accounts payable.
The role is under Air Combat System Project Office (ACSPO) in conjunction with Air Force and civilian stakeholders. ACSPO has the primary mission of managing the long-term sustainment, maintenance, and logistics for Australia's fleet of F-35A Joint Strike Fighters (JSF), and life-Cycle Support. The office acts as the bridge between acquisition and ongoing operation, ensuring that the weapon systems, equipment, and platform capabilities are fully supported throughout their operational life.
The successful candidate can will based out of RAAF Base Williamtown, near Newcastle, NSW. The successful candidate will be supporting the already existing members within the Finance/Commercial team at ACSPO.
Essential Requirement s:
- Provide strategic and tactical commercial advice with respect to formulation of negotiation positions and Contract Negotiation Directive (CND).
- Assist provision of tender debriefings leading and supporting commercial elements of the capability lifecycle, including procurement planning, tendering and contract formation, contract management and closure of contracts ensuring compliance with legislation, procurement policies, processes and procedures across all contract development and management activities as needed.
- Providing advice, direction, assistance and services for procurement policy, technical,
- commercial, legal, financial investigation and other requirements to support contract development/management outcomes
- Applying experience to Product/Project teams to ensure delivery of quality procurement related documentation including templates, schedule, correspondence, reports,
- submissions, plans and strategies;
- Collaborating with other CASG entities such as Materiel Procurement Branch (MPB), Financial Investigative Services (FIS) / Commercial and Financial Analysis (CFA) / Defence Finance Group (DFG) and Defence Legal
- Building and sustaining productive relationships with ACSPO Exec, Product/Project Managers and team members, and providing high level commercial SME advice
- Supporting the Contact Management Officers and Contract Development Officers with mentoring, advice, providing guidance and assisting with training and personal development planning to grow commercial acumen of the team
- Provide input into, and clearance of, key planning documents including Smart Buyer documentation, Endorsements to Proceed, Intellectual Property Needs Analysis, and Liability Risk Assessments.
- Provide advice on Commonwealth and ACSPO specific conflict of interest and probity policies and practices.
- Contract development activities in accordance with the CASG BMS, Commercial Policy are delivered, whilst achieving the designated schedule requirements as advised from time to time
- Contract management activities in accordance with the CASG BMS, Commercial Policy are delivered whilst achieving the designated schedule requirement.
- Research commercial policy issues, legal investigation, technical and other requirements to support contract management outcomes.
- Effective engagement of stakeholders and subject matter experts to facilitate outcomes (e.g. communicating effectively with areas of expertise).
- MSP support to ACSPO successfully contributed to the achievement of Commercial objectives/milestones.
- Mandatory policy compliance obligations and critical commercial risk and performance requirements are met.
- Branch tasks have been actioned in in the expected
- timeframe and efficient manner.
- OC support requests are actioned in in the expected
- timeframe and a quality output.
- Demonstrated understanding of SPO business.
Desirable Requirements :
- Resilience in a highly demanding, fast paced, complex and constantly evolving work environment.
- Strong Defence writing skills.
- Receipt of activity progress updates from project stakeholders.
- Timely delivery of tasks from ACS Branch.
- Strong Communication Skills
- Demonstrated Stakeholder engagement skills.
- The ability to consider risk and brief strategies for the risks associated with contract development and management activities, supplier performance and compliance.
- Accurate and timely processing of a high volume of international invoices, with minimal errors and strong adherence to deadlines.
- Receipt of activity progress updates from project stakeholders.
- Previous commercial experience.
- Influencing and relationship management
- Work with limited direction and identify capacity / priorities.
- Comprehension of communication flows, resources, priorities, and workflows to meet business outcomes.
- Demonstrated understanding of Defence E-systems such as, MiFi, MyProcurement, ERP etc.
- Conduct business in accordance with the CASG BMS, Commercial Function policies, procedures and guidelines .
Required Security Clearance Level: Active NV1 Clearance. Location : RAAF Base Williamtown, Newcastle. Weekly Hours : Monday to Friday / 40 hours per week, with options for work from home on Friday's - depending on task requirements.
From Amentum Holdings's careers page (Workday), checked 2 Nov 2026.
How to apply
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Posted 2 Nov 2026 · checked 2 Nov 2026 · Report this job