About LF Audio
LF Audio designs and manufactures specialized, high-performance electronics for the car-audio market. Our products are engineered, assembled, tested, and supported in-house with a strong emphasis on reliability, signal integrity, and real-world performance. As we continue to scale, we are expanding our internal engineering and manufacturing capabilities.
Address
231 E Imperial Hwy #106, Fullerton, CA 92835
Role Overview
LF Audio is seeking an entry- to mid-level Electronics Assembly & Test Technician to support in-house PCB assembly, soldering, rework, and basic product testing. This is a hands-on bench role focused on quality, consistency, and attention to detail.
This position is ideal for someone who enjoys building electronics, working with PCBs, and supporting real products from prototype through shipment.
Responsibilities
Assembly & Soldering
Hand soldering of SMT and through-hole components
Fine-pitch component placement and rework
PCB modification and repair as needed
Assist with low-volume production builds
Testing & Quality
Perform basic functional testing and QA checks
Identify soldering or assembly defects
Document issues and report failures
Follow ESD and quality procedures
Lab Support
Maintain clean and organized workstations
Assist with inventory organization and prep
Support general lab and office operations as needed
Required Qualifications
1–3 years of electronics assembly or soldering experience (or equivalent hands-on training)
Experience with SMT and through-hole soldering
Ability to follow assembly instructions and schematics
Familiarity with ESD practices
Comfortable using hand tools and basic test equipment (DMM, power supply)
Preferred Qualifications
Fine-pitch SMT rework experience
Experience with audio or consumer electronics
Basic functional testing or QA experience