Energy Systems Technician / Engineer

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 is seeking a hands-on Energy Systems Technician / Engineer to support the deployment of commercial Battery Energy Storage Systems (BESS), solar, EV charging, and distributed energy projects.

This position is ideal for someone who enjoys solving a wide variety of technical challenges rather than specializing in a single discipline. Responsibilities range from configuring and testing hardware in our testing lab to supporting field commissioning, assisting with procurement, validating new products, and occasionally serving as the technical lead on commissioning project sites.

The successful candidate will thrive in a startup environment where flexibility, initiative, and curiosity are valued.

Primary Responsibilities

Product & Laboratory Technician

• 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

Product Procurement & Integration

• Assist with equipment selection
• Coordinate with manufacturers
• Review submittals and technical documentation
• Verify BOMs
• Support quality control inspections

Commissioning & Field Support

• Commission commercial BESS systems
• Configure inverters, batteries and EMS platforms
• Support utility interconnection testing
• Perform functional testing
• Troubleshoot startup issues
• Assist customers and subcontractors during commissioning
• Travel periodically to project sites

Project Support

• Coordinate with design and construction teams
• Support project managers
• Occasionally act as site superintendent for small projects
• Assist with punch list completion
• Provide technical documentation

Desired Qualifications

Required:

• 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

Preferred:

• PLCs
• Familiarity with industrial transport protocols (Modbus & Canbus)
• Familiarity with cloud protocols such as mqtt
• Able to use tools to troubleshoot networks (TCP, RTU, CAN)
• Ethernet networking
• CAT5/CAT6 networking
• Battery systems
• Power conversion systems
• UL9540 systems
• OSHA safety training

Ideal Candidate

We’re looking for someone who:

• Likes building things
• Is equally comfortable in the lab and in the field
• Doesn’t mind occasionally getting their hands dirty
• Can communicate well with customers, electricians, contractors, and manufacturers
• Takes ownership of projects from concept through commissioning

Why Join Intertie?

You’ll have the opportunity to work on cutting-edge distributed energy projects involving:

• Commercial Battery Energy Storage Systems