About the Role

We are looking for a Senior Software Engineer to join our NPC team and help build immersive, believable characters for VR and XR training simulations.

The team develops NPCs that can perceive their surroundings, make decisions, communicate, react to changing situations, and simulate realistic human behaviour. The goal is to create meaningful training experiences that improve customer learning outcomes. What You'll Work On

- NPC AI behaviours and decision-making systems
- Dialogue and character interaction systems
- NPC sensors, including vision, hearing, awareness, and environmental perception
- Character animations, animation controllers, avatars, rigs, and state machines
- Navigation, movement, reactions, and interactions
- NPC systems for client-server and multiplayer environments
- Translating real-world behaviours into immersive simulation experiences What We're Looking for
- 4+ years of skilled C# experience
- 3+ years of professional Unity experience
- Experience configuring and editing character animations and animation avatars
- Experience working with client-server or multiplayer architecture
- Experience developing VR, AR, XR, simulation, or real-time 3D applications
- Strong understanding of software design, data structures, and algorithms
- Confidence working independently on complex systems and technical problems Experience We'd Particularly Value
- NPC or game AI development
- Behaviour trees, state machines, utility AI, or similar behaviour systems
- Dialogue systems
- NPC perception and sensor systems
- Pathfinding, spatial reasoning, and avoidance
- Networked NPC behaviour and animation General Engineering Responsibilities:

Like any senior engineering role,



you'll also contribute to code quality, technical design, debugging, performance profiling, collaboration and mentoring. About the Team

You will be joining our NPC team, a small but growing group of engineers working on interactive simulation systems in Unity.

Your work involves collaborating with teams across R&D; department, hardware and industrial design, 3D printing, and product development.

The team is collaborative, supportive, and focused on building reliable, maintainable systems while continuing to learn and improve together.

We also make time to connect as a team through activities like pickleball, BBQs, team lunches, and other social events. And yes, we do have a slushie machine.

Company

Culture

We are passionate, motivated, and driven, but we also believe in enjoying the process of solving problems. Everyone has a voice, and good ideas can come from anywhere.

You will not be expected to figure everything out alone. If you are stuck, help is always available from people across the office. We value teamwork, open communication, and shared ownership over “one-person army” heroics.

We're always hungry, always willing to assist one another, and will always find our way through what others would deem a near-impossible mission, all while still managing a smile and a laugh. Operator XR specialises in portable and immersive virtual reality training systems for law enforcement and military worldwide. More than just a leading-edge technology company, our deep expertise in advanced XR simulation platforms is backed by years of first-hand, front-line military and policing experience.

Operator XR: Adapt To Tomorrow's Challenges

📌 SENIOR SOFTWARE ENGINEER - NPC SYSTEMS (Sydney)
🏢 Operator XR
📍 Sydney