BESS Field Service Engineer: On‑Site Uptime & Upgrades

GREEN TENAGA PTE. LIMITED; Dublin; On-site; EUR 45,000 - 65,000; Full time

Job summary

Green Tenaga Pte. Limited is seeking a Site Service Engineer to ensure the reliable operation and ongoing improvement of Battery Energy Storage Systems (BESS).

You will oversee installations, lead testing and commissioning, perform routine maintenance, and troubleshoot issues to minimize downtime on site. In this role, you will provide on-site technical support, maintain safety standards, document activities, and collaborate with customers and subcontractors to deliver high-quality, compliant

Qualifications

• Diploma in Electrical Engineering or equivalent qualification.
• 2+ years hands-on electrical installation, maintenance or site-based service experience.
• Familiar with electrical equipment such as battery systems, switchgear and inverters.
• Experience with renewable energy systems is a plus.
• Proficient in using diagnostic tools and monitoring software to analyse performance.
• Strong analytical, planning, and organisational skills.
• Customer-focused with excellent communication and stakeholder management.
• Willingness to travel on short notice.

Responsibilities

• Assist in site installations and commissioning per specs and safety protocols.
• Support routine maintenance, inspection, and servicing of BESS, PCS, and related equipment.
• Conduct on-site data collection and performance checks with diagnostic tools.
• Maintain accurate site records including checklists, service reports, and photos.
• Coordinate with subcontractors and vendors on-site for timely work.
• Support system upgrades, replacements, and performance testing.
• Diagnose and resolve system malfunctions, including software/hardware issues.
• Adhere to HSE standards and report unsafe practices.
• Participate in toolbox talks, risk assessments, and field audits.
• Collaborate with cross-functional teams to translate requirements into effective solutions.
• Solve customer problems and contribute to positive feedback and relationships.

Skills

Analytical thinking

Planning

Organisational skills

Communication

Stakeholder management

Teamwork

Willingness to travel

Education

Diploma in Electrical Engineering

Tools

Diagnostic tools

Monitoring platforms

Electrical testing software

Job description

Green Tenaga Pte. Limited is seeking a Site Service Engineer to ensure the reliable operation and ongoing improvement of Battery Energy Storage Systems (BESS).

You will oversee installations, lead testing and commissioning, perform routine maintenance, and troubleshoot issues to minimize downtime on site. In this role, you will provide on-site technical support, maintain safety standards, document activities, and collaborate with customers and subcontractors to deliver high-quality, compliant