Modelling and Operational Analysis Simulation System Specialist (Part‑time)

About the role

Amentum is seeking an experienced Modelling and Operational Analysis Simulation System (MOASS) Specialist to support accreditation, operation and sustainment of a critical Defence simulation capability. This part‑time position (16 hours/week) is based at RAAF Base Williamtown and involves direct engagement with Defence stakeholders.

Key responsibilities

• Deliver MOASS security accreditation and Authorisation to Operate (ATO) documentation in line with ISM, SAPMAN and the system Concept of Operations.
• Provide technical support for simulation software, network environments and develop bespoke analytical tools using scripting languages such as LUA.
• Establish, document and maintain system configurations, baselines, security controls and user accounts.
• Design, implement and support system upgrades, patches and security configurations in consultation with security authorities.
• Monitor system performance, capacity and reliability, managing obsolescence and ongoing ICT security accreditation.

Required profile

• Highly capable technical specialist with experience in secure, regulated ICT environments.
• Strong stakeholder engagement skills, able to communicate with both technical and non‑technical audiences.
• Eligibility for Top Secret – Positive Vetting (TSPV) clearance and DISP Level 3/4 status.

Required skills

• LUA scripting language.
• Experience with security accreditation frameworks such as ISM and SAPMAN.
• System configuration and administration for secure ICT systems.