Commercial Officer at Amentum

Perth, Western Australia, Australia -

Full Time

Start Date

Immediate

Expiry Date

21 Jun, 26

Salary

0.0

Posted On

23 Mar, 26

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Procurement, Financial Administration, Contract Management, ERP Systems, Supplier Quotes, ASDEFCON, Contract Variations, Financial Tracking, Budgeting, Reconciliation, SAP ERP, Governance, Stakeholder Engagement, Analytical Capability, Written Communication, Compliance

Industry

Defense and Space Manufacturing

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. Role Title: Commercial Officer Role Description: We are seeking a motivated and detail‑oriented Defence Commercial Officer to join a high performing sustainment environment supporting critical capability outcomes. This role is ideal for a commercial or procurement professional who thrives in a fast‑paced, compliance‑focused setting and is looking to broaden their experience across procurement, financial administration, and contract management. You will play a key role in ensuring smooth and uninterrupted delivery of goods and services by managing procurement transactions, coordinating supplier engagement, processing payments and supporting a wide range of commercial activities. This is an excellent opportunity for someone who enjoys meaningful work, values accuracy and accountability and is keen to contribute to an essential national program. Key Responsibilities: Procurement & Purchasing Support: - Undertake procurement transactions, including: - Purchase Order creation and administration within ERP systems - Goods receipting and invoice processing - Purchasing card transactions - Source and review supplier quotes to support value‑for‑money assessments - Prepare procurement artefacts such as Section 23 approvals and Endorsements to Proceed - Develop Survey and Quote documentation in accordance with ASDEFCON‑aligned frameworks - Finalise approved procurement activities to ensure timely delivery Contract & Commercial Administration: - Support in‑service support contract management and general contract administration - Monitor deliverables, contractor communication and contract record‑keeping - Assist with contract variations, extensions and compliance documentation Financial & Budgeting Support: - Contribute to procurement plan updates and financial tracking activities - Provide support with budgeting, reconciliation and financial governance - Monitor and manage stale commitments, ensuring issues are identified early and escalated appropriately Skills and Experience: - Relevant qualifications in Procurement, Commerce, Business, Contract Management, Finance (or a related discipline) - SAP ERP experience is essential (ideally gained within Defence or a similarly structured, compliance‑driven environment) - Demonstrated experience in Defence commercial and contract management - Strong understanding of governance, documentation standards, ASDEFCON‑aligned procurement and Commonwealth procurement compliance - Excellent written communication, analytical capability and stakeholder engagement Required Security Clearance Level: Baseline Location: Cairns, QLD (Alternatively Darwin and Henderson WA) Weekly Hours: 40 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: 03/23/2026 - 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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please contact us by email at TAOps@amentum.com and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.

Responsibilities

The Commercial Officer will manage procurement transactions, coordinate supplier engagement, process payments, and support various commercial activities to ensure the smooth delivery of goods and services. Key duties include Purchase Order creation, sourcing supplier quotes, contract administration, and supporting financial tracking and governance.