Infrastructure Engineer (Onsite)
We are looking for an experienced Field Services Engineer to provide onsite support for critical infrastructure in an Operational Technology environment. In this role, you'll support the Advanced Distribution Management System (ADMS) platform, help maintain secure and reliable operations and work closely with internal teams and vendors to resolve issues and drive continuous improvement. This is a permanent, full time onsite role suited to someone who thrives in hands-on infrastructure support and mission-critical environments.
Key Responsibilities:
Provide L2 support for ADMS infrastructure and user-facing applications
Monitor system performance and proactively resolve issues to maintain availability
Investigate and resolve technical incidents, service requests and control system issues
Maintain system documentation and contribute to knowledge sharing and continuous improvement
Perform system maintenance including patching, environment upkeep plus hardware support
Support change, incident and problem management processes in line with ITIL practices
Partner with internal teams and vendors to deliver stable, efficient and secure system operations
Provide dedicated onsite support for critical systems and end users
What Will Make You Successful:
Over 3 years' technical experience in an IT environment




Strong experience supporting ADMS and critical OT infrastructure in a secure, high-availability environment
Proven ability to troubleshoot complex technical issues and drive timely resolution
Solid knowledge of Windows, virtualisation, storage and patching
Understanding of ITIL processes including incident, problem, change and configuration management
Strong analytical skills with the ability to adapt quickly and manage multiple priorities
Excellent communication and stakeholder engagement skills across business and technical teams
Ability to work collaboratively with vendors and internal teams to support continuous improvement and system reliability
Willingness to participate in an on-call roster and support critical systems outside standard business hours
About Nexon Asia Pacific:
Nexon Asia Pacific has been delivering dynamic IT solutions to mid-market businesses, public sector organisations and non-profit organisations since ****. We support clients with highly skilled professionals spread across Australia with solutions including Network Services, Cloud Services, Unified Communications and Managed Security.
Applicants must have full Australian working rights. No agency submissions please.
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📌 Infrastructure Engineer - Sydney (New South Wales)
🏢 Nexon
📍 New South Wales