Trina Energy Storage is seeking a highly capable and technically strong Engineering Technical Manager to support the delivery of utility-scale Battery Energy Storage System (BESS) projects across Australia. This role will act as a key technical interface between Trina’s local project delivery team, customers, EPC contractors, consultants, subcontractors, OEM suppliers, SCADA and EMS vendors, and Trina’s global product, engineering, and R&D; teams. The role will provide technical leadership across project engineering, system integration, SCADA and communications, commissioning support, grid compliance coordination, and issue resolution throughout the project lifecycle.

Responsibilities

Engineering Technical Leadership and Project Support

- Act as the main technical support lead within the project delivery team for utility-scale BESS projects.
- Provide engineering coordination and technical leadership across design review, procurement support, construction, commissioning, testing, and handover phases.
- Support the Project Manager in managing technical risks, engineering interfaces, design issues, project actions, and technical deliverables.
- Lead technical discussions with customers, EPC contractors, consultants, vendors, subcontractors, and internal engineering teams.
- Review and coordinate project engineering deliverables to ensure alignment with contract requirements, customer specifications, grid connection requirements, and Trina’s product capability.
- Identify technical risks and interface gaps early, elevate key issues where required, and drive practical solutions with relevant stakeholders.
- Support decision-making on technical matters by providing transparent analysis, recommendations, and coordination between local and global teams.
- Ensure technical issues are properly tracked, assigned, followed up, and closed in line with project priorities.
- Lead or support the integration of utility-scale BESS systems, including Battery Systems, PCS, EMS, PPC, SCADA, Gateway RTU, protection systems, meters, auxiliary systems, and external control interfaces.
- Manage technical interfaces between BESS subsystems and external stakeholders, including customers, EPC contractors, NSPs, AEMO-related parties, market operators, SCADA providers, and third-party control system providers.
- Review and interpret Single Line Diagrams, Interface Control Documents, communication architecture drawings, control logic diagrams, protection schemes, signal lists, and point mapping schedules.
- Coordinate internal R&D; teams, OEM suppliers, EMS providers, SCADA vendors, PPC suppliers, and site teams to ensure successful system integration.
- Support firmware, software, control logic, communication protocol,



and system interface integration across multiple vendors and platforms.
- Lead technical follow-up on interface issues involving EMS, PPC, SCADA, PCS, BMS, Gateway RTU, meters, protection relays, and auxiliary systems.
- Ensure interface responsibilities, technical boundaries, data exchange requirements, and control responsibilities are clearly understood and managed.

SCADA, Communications and Control System Integration

- Provide technical leadership and coordination for SCADA, communications, and control system integration activities.
- Review SCADA system architecture, communication network design, signal mapping, data exchange requirements, and control system interfaces.
- Coordinate the configuration, validation, and troubleshooting of industrial communication protocols, including: Modbus TCP/IP / Modbus RTU / DNP3 / IEC 61850 /OPC UA
- Other project-specific communication protocols where applicable
- Support Gateway RTU integration, signal mapping, data validation, remote monitoring, remote control, and alarm reporting functions.
- Coordinate the verification of communication quality, time synchronization, heartbeat functionality, communication failover logic, data integrity, and event reporting.
- Investigate and resolve communication and control interface issues between site equipment, SCADA, EMS, PPC, Gateway RTU, and external systems.
- Work with internal and external stakeholders to ensure SCADA and communication deliverables are properly reviewed, tested, and closed.

System Commissioning, Testing and Issue Resolution

- Lead or support Factory Acceptance Testing, Site Acceptance Testing, commissioning, energisation support, operational readiness testing, and project handover activities.
- Coordinate testing and validation of communications between EMS, PPC, SCADA, PCS, BMS, Gateway RTU, meters, protection relays, and external systems.
- Support commissioning activities associated with: AGC / FCAS and PFR functionality / Ramp rate control / Active power control / Reactive power control / Voltage regulation / Voltage droop functions / Availability signals / Dispatch target processing / Remote monitoring and control
- Lead or support troubleshooting and root cause analysis of integration issues involving controls, communications, system performance, SCADA data, alarms, dispatch interfaces, and plant operation.
- Coordinate issue resolution between site teams, vendors,



subcontractors, product teams, R&D; teams, and customers.
- Support capacity testing, performance testing, reliability testing, operational validation, and handover of BESS assets.
- Ensure commissioning issues, defect registers, punch list items, and technical actions are properly tracked and followed through to closure.

Grid Compliance and Market Integration Support

- Support Generator Registration activities and grid compliance requirements associated with AEMO, NSPs, customers, consultants, and other relevant stakeholders.
- Assist with the preparation, review, and coordination of documentation required for R1/R2 hold point testing, grid compliance assessments, and operational approvals.

Engineering Documentation and Quality Management

- Review, coordinate, and maintain key engineering and technical documentation.

Team Coordination and Management Capability

- Provide technical guidance to project engineers, site engineers, commissioning support resources, and external technical partners where required.
- Coordinate engineering workstreams and ensure technical tasks are clearly assigned, followed up, and completed.

Qualifications and Skills

- Degree in Electrical Engineering, Power Systems Engineering, Control Systems, Renewable Energy, Mechatronics, Automation, Telecommunications, or related discipline.
- Relevant experience in renewable energy, utility-scale BESS, SCADA/EMS integration, commissioning, power system projects, industrial automation, or grid-connected infrastructure projects.
- Strong understanding of utility-scale BESS architecture and key subsystems.
- Solid understanding of SCADA, industrial communications, control system interfaces, and system integration principles.
- Familiarity with industrial communication protocols such as Modbus TCP/IP, Modbus RTU, DNP3, IEC 61850, OPC UA, or similar.
- Ability to review and interpret technical drawings, SLDs, communication architecture diagrams, ICDs, point lists, control logic diagrams, test procedures, and commissioning documents.
- Experience coordinating multiple technical stakeholders, including vendors, subcontractors, customers, consultants, and internal engineering teams.
- Strong troubleshooting, analytical, and problem-solving capability.
- Strong technical communication, documentation, coordination, and stakeholder management skills.
- Ability to manage technical priorities, coordinate workstreams, and drive closure of engineering actions.
- Strong verbal and written communication skills in both English and Mandarin to liaise with Chinese counterparties.
- Ability to work effectively in a hybrid working environment and collaborate with local and international teams.

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📌 Engineering Technical Manager (City of Sydney)
🏢 Trinasolar
📍 City of Sydney