On-Site BESS Service & LTSA Engineer

MTS SYSTEMS ENGINEERING PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

MTS SYSTEMS ENGINEERING PTE. LTD. is seeking an LTSA Service Engineer to serve as Huawei's on-site technical authority for the Smart String Energy Storage System (ESS).

You will be embedded at the customer's facility, acting as the single point of contact for all technical matters under the LTSA. Your mission is to maximize system availability, ensure contractual compliance, and drive operational excellence for Huawei's BESS solution, including battery cabinets, PCS, SACU, EMS.

Qualifications

• Bachelor's degree in Electrical Engineering, Power Electronics, Renewable Energy, or Automation.
• 1–2 years of field service experience; fresh grads with proactive attitude welcome.
• Deep knowledge of BESS components, including Lithium-ion batteries, PCS, EMS, and thermal management.
• Hands-on troubleshooting of inverters, battery racks, and control systems (SACU/SPPC).
• Ability to read electrical schematics, P&IDs, and single-line diagrams.
• Familiarity with Huawei FusionSolar or similar digital O&M platforms is desirable.
• Excellent analytical, cross-cultural communication, and report-writing skills.

Responsibilities

• System Monitoring & Maintenance: Perform daily health checks, condition monitoring, and preventive maintenance on BESS components.
• Fault Diagnosis & RCA: Lead root cause analysis and emergency troubleshooting to minimize downtime.
• Outage Management: Execute scheduled overhauls, component replacements, and firmware upgrades per LTSA scope.
• Contractual Adherence: Ensure maintenance aligns with LTSA terms, including response times and warranties.
• KPI Tracking: Monitor, analyze, and report on system availability, MTTR, and other KPIs.
• Spare Parts Management: Coordinate RMA processes and ensure just-in-time delivery of critical spares.
• Technical Liaison: Act as the primary interface between the customer's operations team.
• Reporting & Training: Provide on-site training and publish daily logs and monthly performance reports.

Skills

System Monitoring

Fault Diagnosis

Outage Management

Technical Liaison

Reporting

Training & Handover

Education

Bachelor's degree in Electrical Engineering / Power Electronics / Renewable Energy / Automation

Tools

FusionSolar knowledge

Job description

MTS SYSTEMS ENGINEERING PTE. LTD. is seeking an LTSA Service Engineer to serve as Huawei's on-site technical authority for the Smart String Energy Storage System (ESS).

You will be embedded at the customer's facility, acting as the single point of contact for all technical matters under the LTSA. Your mission is to maximize system availability, ensure contractual compliance, and drive operational excellence for Huawei's BESS solution, including battery cabinets, PCS, SACU, EMS.