Electrical Engineering Technician - Network Test Bed
Overview
Design and specify the electrical infrastructure for a safe modular reconfigurable BMS communications test bench. Engineer custom solutions and deliver detailed designs and BOMs for fabrication. This role focuses on hands-on test hardware and electrical systems engineering.
What You'll Do11
- 1Evaluate CAN/CAN-FD gateway and bus-selector architectures including TI TCAN4550 CAN-FD devices MUX-controlled CAN-H/CAN-L buffering Commercial CAN-to-Ethernet gateways Recommend appropriate architecture and channel count for AMU-to-Pack ZMU-to-Pack and ZMU tower bus-pair selection
- 2Design minimized CAN harness that emulates production wiring without full physical cable length Define resistance topology and termination requirements for full-ring network configurations
- 3Produce harness build specification and BOM
- 4Design or select opto-isolated GPIO boards with eight inputs and eight outputs per target Support boot-mode synchronization and safety signaling across QMU AMU ZMU and CSB controllers
- 5Specify isolated console USB connections for MPU- and MCU-based devices Ensure electrical isolation and grounding for reliable testing
- 6Design or select GPIO- and relay-controlled switching for 24V DC 48V DC AC loads approximately 100W SPDT switching Integrate digitally readable power-consumption monitoring Specify DC power distribution including PSUs bus bars grounding and battery backup Define per-device power-consumption and ground-leakage monitoring
- 7Support custom power and supercapacitor test fixtures
- 8Test hardware and lab integration Support custom breadboards test boards bring-up fixtures and iterative hardware improvements
- 9Select thermal-camera solution for PCB and system-level temperature monitoring Support bring-up and troubleshoot electrical issues after fabrication
- 10Document designs clearly for independent fabrication assembly and future maintenance
- 11Help define future fiber-transceiver qualification requirements Evaluate programmable optical attenuator needs Scope portable environmental-chamber testing for temperature and humidity qualification
Requirements11
- 1Bachelor’s degree in Electrical Engineering or equivalent practical experience
- 2Hands-on experience designing electrical hardware for test benches lab systems or embedded-system validation
- 3Working knowledge of CAN and/or CAN-FD physical-layer design including termination topology bus resistance and signal-routing considerations
- 4Experience designing or specifying signal routing electrical isolation GPIO interfaces relay-controlled switching DC power distribution digital voltage current or power monitoring
- 5Ability to evaluate custom designs against commercial off-the-shelf solutions and make technically justified recommendations
- 6Ability to create clear schematics wiring harness specifications engineering documentation and BOMs for another team to build
- 7Hands-on lab-debugging ability using oscilloscopes DMMs logic analyzers power supplies and CAN analyzers
- 8Capable of working independently in an initially open-ended environment
- 9Able to work onsite in Berkeley for the duration of the contract
- 10Preferred Battery Management System or distributed embedded-controller experience Experience with reconfigurable communications or automated network test benches Deeper CAN/CAN-FD experience involving gateways bus selectors ring topologies fault insertion multiple network segments PCB schematic design and board bring-up experience Familiarity with isolation boundaries leakage-current measurement and grounding strategies Experience integrating software-controlled relays power supplies switches and measurement devices
- 11Fiber-optic transceiver or programmable optical-attenuator experience Environmental qualification experience involving temperature or humidity testing Experience selecting or integrating thermal-imaging systems
Salary Insight
$73 - $83k per year
Location
Required Skills
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