Engineering Technician

About Us:

Protonex LLC, dba PNI Sensor based in Santa Rosa, Ca. seeks meticulous, process‑oriented individual with a desire to continue to grow in a technical role. PNI Sensor is an engineering‑driven sensor products company with products ranging from sensor components to IoT systems sold worldwide. The ideal candidate is disciplined, accountable, meticulous, has pride in their work product and is a team player.

PNI Sensor develops high‑performance sensing and positioning technologies used in industrial, consumer, and advanced navigation applications. We value innovation, hands‑on problem solving, and collaborative engineering.

PNI Sensor is seeking a motivated, hands‑on Engineering Technician to support hardware development, testing, debugging, and product validation activities. This role is intended for a high‑potential individual who will grow into a Senior Engineering Technician position within approximately two years while working closely with our Senior Hardware Engineer. The ideal candidate is a self‑sufficient, multi‑discipline technician who enjoys working directly with hardware and solving technical problems.

This position requires hands‑on experience across electronics, mechanical assembly, wiring harnesses, instrumentation, soldering/rework, scripting, and testing. The candidate should be comfortable supporting both laboratory and remote field testing activities.

• Debug and troubleshoot electronic hardware, prototype systems, and integrated sensor platforms
• Perform board‑level troubleshooting and identify component‑and system‑level failures
• Support root cause investigations and recommend next steps to engineering teams
• Conduct first‑pass analysis of test reports, failures, and collected data
• Assist with integration and troubleshooting of electromechanical systems

• Perform precision soldering and component rework on PCB assemblies
• Build, modify, and troubleshoot wiring harnesses and cable assemblies
• Support prototype assembly, wiring, connector installation, and hardware modifications
• Perform SMT and through‑hole component replacement and rework

• Execute electrical, functional, environmental, and system‑level testing
• Operate electronic lab equipment including oscilloscopes, multimeters, power supplies, and analyzers
• Support remote and field‑based testing activities for sensor systems
• Assist with drone‑based or mobile platform testing, equipment setup, and data collection
• Develop, modify, and execute Python‑based test scripts and automation tools
• Record, organize, and summarize test results and engineering findings

• Work closely with the Senior Hardware Engineer on product development and validation activities
• Assist with prototype builds, fixture setup, and lab organization
• Support continuous improvement of test methods and engineering processes
• Collaborate with manufacturing, quality, and engineering teams as needed

• Highly hands‑on and comfortable working directly with electronics and mechanical systems
• A self‑starter who can work independently with minimal supervision
• Curious, resourceful, and eager to learn
• Comfortable troubleshooting across multiple technical disciplines
• Organized, detail‑oriented, and capable of managing multiple projects simultaneously
• Interested in both laboratory and field testing environments

• Associate degree or technical certification in Electronics Technology, Electrical Engineering Technology, Mechatronics, or related technical field
• Equivalent hands‑on industry experience

• 1–4 years of hands‑on electronics technician or engineering lab experience preferred
• Experience with PCB assembly, soldering, and rework
• Experience building and troubleshooting wiring harnesses and cable assemblies
• Familiarity with electronics troubleshooting and debug techniques

• Ability to read schematics and engineering drawings
• Experience using standard electronic lab equipment
• Strong soldering and rework capability (SMT preferred)
• Familiarity with electronic instrumentation and sensor integration
• Basic to…