BESS Lab & Field Engineer — Hybrid Energy Systems

Intertie Incorporated; Sausalito (CA); On-site; USD 85,000 - 120,000; Full time

Job summary

Intertie Incorporated is seeking a hands-on Energy Systems Technician/Engineer to support deployment of commercial Battery Energy Storage Systems (BESS), solar, EV charging, and distributed energy projects. The role blends lab work, field commissioning, procurement support, and occasional site leadership.

The ideal candidate will thrive in a startup environment with flexibility, initiative, and curiosity, and be comfortable traveling to project sites roughly 15–30% of the time.

Qualifications

• Bachelor’s degree in engineering or equivalent technical experience.
• Experience with BESS.
• Strong mechanical and electrical aptitude.
• Comfortable working with electrical equipment.
• Willingness to travel (approximately 15-30%).
• Self-directed and highly organized.
• Comfortable working in a startup environment.

Responsibilities

• Assemble and test energy storage hardware.
• Develop laboratory test procedures.
• Evaluate new products and technologies.
• Verify equipment compatibility.
• Troubleshoot hardware and communication issues.
• Support firmware updates and product validation.
• Maintain testing lab equipment.
• Build demonstration systems.
• Assist with equipment selection and coordination with manufacturers.
• Review submittals and technical documentation.
• Verify BOMs and support quality inspections.
• Commission commercial BESS systems.
• Configure inverters, batteries and EMS platforms.
• Support utility interconnection testing.
• Perform functional testing.
• Travel to project sites for commissioning support.
• Coordinate with design and construction teams.
• Support project managers and occasionally act as site superintendent.

Skills

BESS experience

Mechanical aptitude

Electrical aptitude

Travel flexibility

Lab testing

Field commissioning

Customer communication

Education

Bachelor’s degree in engineering or equivalent technical experience

Tools

PLC programming

Modbus/Canbus

MQTT cloud protocols

Ethernet networking

Job description

Intertie Incorporated is seeking a hands-on Energy Systems Technician/Engineer to support deployment of commercial Battery Energy Storage Systems (BESS), solar, EV charging, and distributed energy projects. The role blends lab work, field commissioning, procurement support, and occasional site leadership.

The ideal candidate will thrive in a startup environment with flexibility, initiative, and curiosity, and be comfortable traveling to project sites roughly 15–30% of the time.