Field Engineer-HVDC Contactor

Sterling Tools (STL); Devanahalli; On-site; INR 600,000 - 900,000; Full time

Job summary

Sterling Tools (STL) in Devanahalli, Bangalore, India seeks a Field Engineer HVDC Contactor to provide on-site technical support, installation, commissioning, and maintenance of HVDC contactors used in EVs, renewables, railways, and industry.

The role interfaces with customers and internal engineering teams, requires strong diagnostic and communication skills, and involves travel to customer sites with strict safety practices.

Qualifications

• Bachelor's or Diploma in Electrical/Electronics Engineering or equivalent.
• Experience in field service or testing HVDC components (contactors, relays, etc.).
• Knowledge of DC circuits, insulation testing, and coil operation.

Responsibilities

• Provide on-site technical support, installation, commissioning, and maintenance of HVDC contactors.
• Troubleshoot faults, perform tests, and ensure safety during high-voltage operations.
• Coordinate with Engineering & Quality for root-cause analysis and provide customer training.

Skills

HVDC field service

Troubleshooting

Electrical schematics

CAN bus / VCU integration

Customer training

Education

Bachelor's / Diploma in Electrical/Electronics Engineering

Tools

Multimeters

Clamp meters

Insulation testers

Job description

Job Description
Job Title: Field Engineer HVDC Contactor
Location: Devanahalli, Bangalore India
Department: Engineering
Reporting To: Engineering Manager
Qualification: Bachelors in Electrical/ Mechanical Engineering or equivalent.

Job Summary

As a Field Engineer for HVDC Contactors, you will be responsible for providing on-site technical support, installation, commissioning, troubleshooting, and maintenance of high-voltage DC contactors used in electric vehicles (EVs), renewable energy systems, railways, and industrial applications. You will act as the primary technical interface between the customer and internal engineering teams during field operations.

Key Responsibilities

Installation & Commissioning

• Support installation and commissioning of HVDC contactors at customer sites.
• Verify electrical connections, insulation, and contactor operation per technical standards.
• Assist customers in configuring contactor integration with VCU, BMS, or control systems.

Testing & Diagnostics

• Perform functional testing, coil operation verification, and contact resistance checks.
• Use diagnostic tools to analyze performance or failure issues in the field.
• Ensure safety compliance during high voltage testing and switching operations.

Troubleshooting & Support

• Diagnose faults related to contactor coil, contacts, auxiliary circuits, or overheating.
• Recommend solutions or replacements for damaged or underperforming contactors.
• Coordinate with Engineering & Quality team for root cause analysis of repeated failures.

Customer Training & Communication

• Provide technical training to customer teams on proper usage and maintenance.
• Prepare detailed service reports, inspection records, and feedback documentation.
• Ensure customer satisfaction by resolving issues in a timely and professional manner.

Preventive Maintenance

• Carry out scheduled inspections and maintenance at customer locations.
• Check terminal torque, insulation resistance, and mechanical operation.
• Identify early signs of wear and recommend proactive replacements.

Compliance & Documentation

• Follow all EHS (Environment, Health & Safety) and LOTO (Lockout-Tagout) procedures.
• Maintain detailed service logs, calibration records, and checklist reports.
• Comply with internal service SOPs and quality documentation protocols.

Required Skills & Qualifications

• Diploma/Bachelors in Electrical/Electronics Engineering or equivalent.
• 25 years of experience in field service or testing of HVDC components (contactors, relays, BDU, PDU, etc.).
• Good understanding of DC circuits, insulation testing, arc suppression, and coil operation.
• Familiarity with electrical schematics, CAN bus, VCU, BMS integration.
• Hands-on experience with multimeters, clamp meters, insulation testers, etc.
• Strong communication and troubleshooting skills.

Preferred Qualifications

• Experience with EV systems, solar inverters, or industrial HVDC applications.
• Knowledge of contactors from a reputed organization.
• Trained in electrical safety practices for high-voltage environments.
• Valid driving license and willingness to travel extensively.

Work Environment

• Frequent on-site visits at customer locations, service centers, or OEM facilities.
• Exposure to high-voltage environmentsstrict safety compliance required.
• Some weekend or off-hours support may be required for critical deployments.