Engineering Technician, Energy Storage

Redwood MaterialsSan Francisco, CA, US

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Engineering Technician, Energy Storage

Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling keeping critical minerals in circulation and driving the energy transition. Founded in 2019, we're delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have.

Essential Duties

We are seeking a skilled Engineering Technician with expertise in soldering and printed circuit board assembly (PCBA) rework to join our team. As an early member of a new engineering team, you will play a key role in supporting Hardware Engineering for Energy Products at Redwood Materials. The ideal candidate will have hands-on expertise working with high-voltage and high-current components, performing precision soldering, rework, and modifications on power converter and inverter boards, as well as supporting prototype builds and engineering evaluations. This role requires strong knowledge of high-voltage safety practices and is integral to ensuring quality and reliability in our power electronic products.

Responsibilities Will Include :

Perform precision soldering and desoldering of power electronics components, including through-hole, high-current bus bars, and fine-pitch SMD devices (down to 0201 and BGA)
Rework and modify PCBs and power modules based on engineering change orders and failure analysis results
Safely handle high-voltage and high-current assemblies following electrical safety and ESD protocols
Apply lockout / tagout (LOTO), proper PPE, and safe working clearances when working with energized or high-energy assemblies
Conduct visual and functional inspection of PCBAs to ensure adherence to IPC-A-610 and IPC-7711 / 7721 standards
Assist engineers with prototype power electronics builds, thermal evaluation hardware modifications, and field-return rework
Support integration of large passive components (capacitors, inductors, bus capacitors) and power semiconductors (IGBTs, MOSFETs, SiC / GaN devices)
Maintain detailed records of all rework and modifications for traceability
Contribute to continuous improvement of soldering, rework, and safety processes focused on high-voltage applications

Desired Qualifications :

Associate's degree in Electronics Technology or equivalent experience preferred

2+ years of electronics assembly and soldering experience, ideally in power electronics, automotive, renewable energy, or related industries

Demonstrated experience working safely with high-voltage systems and compliance with electrical safety protocols

Familiarity with high-voltage PCB layouts, creepage / clearance rules, and conformal coating rework a plus

Proficiency in fine-pitch SMD soldering and heavy copper through-hole component rework

Ability to read schematics and assembly drawings

Hands-on experience with soldering irons, hot air rework stations, preheaters, and microscopes

A get-it-done attitude; no job is too big or too small

Physical Requirements :

Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and / or quantitative productivity standards

Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards

Ability to work with small components under a microscope for extended periods

Manual dexterity for precision soldering and handling heavy copper assemblies

Occasional lifting of up to 25 lbs

Working Conditions :

Flexible working in different environments, such as office or outdoors

Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time

Essential physical requirements, such as climbing, standing, stooping, or typing

Occasional work weekends, nights, or be on-call as a regular part of the job

Occasional travel requirements

California Pay Range : $35 - $50 USD

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Engineering Technician • San Francisco, CA, US