Modelling and Operational Analysis Simulation System at Amentum

Sydney, New South Wales, Australia -

Full Time

Start Date

Immediate

Expiry Date

19 Jul, 26

Salary

0.0

Posted On

20 Apr, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Modelling and operational analysis, Simulation systems, Software development, Scripting, LUA, System accreditation, Network support, Technical documentation, System maintenance, Stakeholder engagement, ICT security, Problem-solving, Analytical capability, Configuration management, Database management

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. About the Role: An opportunity exists for an experienced Modelling and Operational Analysis Simulation System (MOASS) Specialist to support the accreditation, operation, and sustainment of a critical Defence simulation capability. Working under limited direction, the successful candidate will undertake complex and specialised technical tasks to enable the Commonwealth of Australia (CoA) to grant Authority to Operate (ATO) for the Modelling and Operational Analysis Simulation System (MOASS) at required security levels. This role will also provide interim system maintenance and administration support prior to full accreditation, ensuring MOASS is available and reliable for Defence Training, Test and Development (TTD) activities. The position requires regular engagement with stakeholders at all levels and acting as a primary point of contact for system and accreditation enquiries. What’s Involved: Delivering MOASS security accreditation and Authorisation activities, including preparation of ATO documentation in consultation with the approving Delegate, in accordance with the ISM, SAPMAN, and the system Concept of Operations. Providing simulation system, software and network technical support for complex engineering environments, including software development and scripting (including LUA) to deliver bespoke analytical tools and rapid‑turnaround modelling outcomes. Establishing, documenting and maintaining MOASS system configurations, baselines, technical procedures and security controls, along with user account management, system documentation and databases. Designing, implementing and supporting system changes, upgrades and sustainment activities (including patches, service packs and security configuration) in consultation with security authorities. Monitoring system performance, capacity and reliability, managing obsolescence, and supporting ongoing ICT security accreditation to ensure MOASS availability and compliance. Who we’re Looking For: You are a highly capable technical specialist with experience operating in secure, regulated ICT environments, able to work independently on complex systems. You bring strong stakeholder engagement skills and can communicate effectively with both technical and non‑technical audiences. Experience supporting system accreditation, sustainment and operational use within Defence or government environments will be highly regarded. You’ll Need: Top Secret – Positive Vetting (TSPV) security clearance Eligibility to work as DISP Level 3/4 personnel Demonstrated experience with programming and scripting languages, including LUA Experience supporting secure ICT systems and working within security accreditation frameworks (e.g. ISM, SAPMAN) Strong analytical capability and problem‑solving skills, with the ability to prioritise effectively in complex operational environments. Required Security Clearance Level: TSPV Location: RAAF Base Williamtown Weekly Hours: 40 Hours (Monday-Friday) 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: 04/20/2026 - 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 specialist will manage the accreditation, operation, and sustainment of the Modelling and Operational Analysis Simulation System (MOASS) to support Defence activities. They will also provide technical support, system maintenance, and act as the primary point of contact for accreditation and system enquiries.