Field Service Engineer - HV

Exponent Energy; Bengaluru; On-site; INR 600,000 - 900,000; Full time

Job summary

Exponent Energy is hiring a Field Service Engineer - HV in Bengaluru to ensure seamless after-sales support for the EV bus fleet. You will lead a distributed team, manage on-site and remote service delivery, and coordinate with internal teams to optimize parts and service workflows.

The role requires 5–8 years in After Sales Operations or field service, with a strong background in HV systems and electrical troubleshooting. Willingness to travel to multiple depots is essential.

Qualifications

• Diploma or degree in Automobile/Mechanical/Electrical engineering or related field.
• Experience in after-sales operations or field service is preferred.
• Experience with HV buses or high-voltage systems is advantageous.

Responsibilities

• Provide on-site or remote field support to EV bus fleets, minimizing downtime.
• Maintain timely turnaround times for field service requests and keep fleets operational.
• Lead and manage a distributed team of Bus Field Technicians across multiple locations; assign tasks and ensure training and quality.
• Coordinate with PQ, supply chain and customer support to arrange spares, upgrades, and service workflows.
• Oversee maintenance schedules and service campaigns, ensuring timely completion.
• Diagnose faults in high-voltage systems and electrical/mechanical subsystems; document findings.
• Provide feedback to engineering/product teams based on field observations for improvements.
• Maintain accurate service records and interface with fleet operators professionally.

Skills

Team leadership

Field service

HV systems

Electrical troubleshooting

MS Excel

Data analytics

EV fleet knowledge

Education

Diploma / B.E. / B.Tech in Automobile/Mechanical/Electrical

Job description

Role: Field Service Engineer - HV

Department: Operation Location: Bengaluru, India Experience: 3–8 Years

Reporting To: Service Manager - HV

Your Team:

You’ll be working with the HV Bus After Sales / Service team in Bangalore.

This team has an infectious passion to build operations from the ground up and ensure customers have a seamless experience. They help deliver the promised experience to our customers across the bus fleet and bring alive the proposition of Exponent Enabled Rapid Charging so that our customers benefit from 15-minute rapid charging at all times.

What you’ll own:

You will ensure the smooth running of ground operations for Exponent After Sales Support across the EV bus fleet and help customers have a seamless, hassle-free experience. From uptime and field response to team leadership and relationship management, you will play a critical role in the team.

What you will do

After Sales Support

• Provide timely on-site (or remote, where possible) field support to EV bus fleet customers experiencing vehicle issues, minimising vehicle downtime.
• Ensure a turnaround time (TAT) for field service support and keep the fleet on the road.
• Lead and manage a distributed field support team of Bus Field Technicians across multiple locations, assign tasks, ensure the team is properly trained, monitor performance standards, and maintain discipline and service quality.
• Collaborate with internal teams — PQ, supply-chain, customer support — to coordinate spare parts, schedule services, manage upgrades or retrofits, and streamline service workflows across depots.
• Oversee and monitor periodic maintenance schedules and service campaigns for the bus fleet, ensuring adherence and completion within timelines.
• Diagnose and resolve faults — including electrical and mechanical issues related to battery and motor and other HV systems on high-voltage buses.
• Collect and provide structured feedback to engineering / product teams based on field observations and recurring issues — contributing to continuous product and process improvement.
• Maintain accurate, up-to-date documentation and service records across all locations.
• Interface with fleet operators and customers professionally — explain technical issues clearly, guide them on safe operation and maintenance, and ensure high levels of customer satisfaction and transparency in service delivery.
• Coordinate with multiple external vendors for spares, logistics and on-ground support.
• Be flexible and ready to travel frequently to depots and customer sites.

The ideal candidate requires

• Diploma / B.E. / B.Tech in Automobile, Mechanical, or Electrical Engineering.
• 5–8 years of past experience in After Sales Operations and customer support (EV / commercial vehicle / bus experience preferred).
• Proven experience leading and managing distributed field technician teams across multiple locations.
• Structured problem-solving, detail-oriented, and a customer-first attitude.
• Market knowledge (EVs, buses, charging station deployment, fleet logistics).
• Data analytics skills / comfortable working with MS Excel, with the intuition to use data effectively.
• Cross-functional experience in Service / Technical roles is a bonus.

What matters

• Quality of work
• Structured problem-solving
• Dissatisfaction with mediocre work
• Ability to multi-task and handle a dynamic working environment
• Resilient attitude to bounce back after failing

About Us

Exponent is building the energy stack powering commercial EVs in India. Our proprietary battery and charging technology enables safe, reliable 15-minute rapid charging while delivering a 3,000-cycle battery life warranty using standard lithium-ion cells. Today, our platform powers high-utilisation commercial vehicles - from three-wheelers to intercity buses, making electric mobility rapid, more reliable and more affordable than petroleum.

Founded by Arun Vinayak (Founding Partner & Former Chief Product Officer, Ather Energy), Exponent is a 250+ member team of passionate builders solving some of the toughest engineering challenges in energy. If solving hard engineering problems across mechanics, thermal systems, power electronics, manufacturing, and the charging network, while staying obsessed with customer experience excites you, we’d love to build with you.