Specialist OT Engineer

Akaysha Energy

Brisbane, Queensland

Full Time

Posted January 29, 2026

Energy Storage

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Application opens on company website

Job Description

The Specialist OT Engineer is responsible for maintaining and securing operational technology systems across large-scale energy storage sites, ensuring system reliability, performance, and cybersecurity to support the company's renewable energy projects worldwide.

Key Responsibilities

Maintain and operate OT infrastructure including SCADA, HMIs, BESS, gateways, and historians.
Support secure OT cloud integration with Azure and AWS for real-time analytics and AI-driven maintenance.
Apply OT cybersecurity and compliance practices such as IEC 62443, hardening, secure access, and vulnerability management.
Troubleshoot and resolve system performance and communication issues across OT systems and subsystems.
Coordinate vendor support, technical reviews, compliance, and lifecycle activities for OT systems.
Configure and optimize ICS environments, including SCADA, HMIs, PLCs, RTUs, and IEDs.
Apply industrial communication protocols like Modbus, DNP3, IEC 61850, and OPC UA for reliable device communication.
Diagnose faults across OT networks, control systems, and BESS subsystems using root cause analysis.
Support OT system security frameworks and implement system hardening and segmentation.
Produce technical documentation including diagrams, procedures, and system records.

Requirements

Proven expertise in configuring and optimizing Industrial Control Systems (ICS), including SCADA, HMIs, PLCs, RTUs, and IEDs for real-time operations.
Skilled in applying and interpreting industrial communication protocols such as Modbus, DNP3, IEC 61850, and OPC OPC UA to ensure reliable device and system communication.
Proficient in applying OT security frameworks AESCSF and IEC 62443 to guide hardening, segmentation, and secure system architecture.
Experienced in diagnosing faults across OT networks, control systems, data pipelines, and BESS subsystems using structured problem solving and root cause analysis methods.
Knowledge of OT cloud integration patterns, including telemetry pipelines, secure connectivity, and cloud-based monitoring and analytics.
Experience in coordinating technical validation and lifecycle activities with OEMs, service providers, and contractors across reviews and assessments.
Proficient in producing clear, accurate technical documentation, including diagrams, procedures, system records, and operational artefacts.
Ability to manage and maintain OT infrastructure including SCADA, HMIs, BESS, gateways, and historians while overseeing configuration, documentation, system health, automation, and lifecycle planning.
Support secure, governed OT cloud integration with Azure and AWS, ensuring accurate, high-quality data flows for real-time analytics and AI-driven maintenance.
Maintain and troubleshoot OT system performance and communications across SCADA, RTUs, historians, and BESS subsystems while resolving incidents, supporting on-call operations, and improving OT architectures and practices.
Coordinate OT vendor support, technical reviews, compliance, lifecycle planning, Tier 2-3 assistance, and commissioning activities while reviewing documentation and deliverables.
Travel to AU sites once every 2-3 months or when needed, as a requirement of this position.
The role can be based at Akaysha’s Melbourne HQ, Sydney, or Brisbane office with the option to work in a hybrid capacity, spending time in the office and at home.

Benefits & Perks

Hybrid and remote-compatible workplace with flexibility

Annual development allowance

Additional paid time off

Curated learning content for professional development

Annual wellbeing allowance

Generous paid parental leave

Employee and family assistance programs

Mobile phone allowance

Competitive pay with above-market performance bonuses

Long-term incentives

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