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Learn More About Proton Therapy
Learn More About Proton Therapy


Test Technician

Position Summary:
Perform testing, troubleshooting, rework and assembly of electrical subassemblies, power supplies and control modules for Mevion products

Job duties and responsibilities:

  • Tests simple to complex electronic and electro-mechanical subassemblies, power supplies and control modules using standard hand-held and automated test equipment. Troubleshoot issues and collaborate with manufacturing engineers to find resolution.
  • Sets up and performs bench, component, and system level tests.
  • Performs set-ups for AC and DC digital tests.
  • Adjusts or replaces defective or improperly functioning circuitry or electronic components using hand tools or soldering iron.
  • Provides controlled documentation of component alterations to update as-built drawings and diagrams.
  • Disassembly, rework, and re-assembly of electronic assemblies and subassemblies. Assists with creation of written test procedures for new assemblies 
  • Provide engineering support or recommendations for new or existing equipment with regard to installation, upgrades, or enhancements.
  • Installs completed electrical assemblies into equipment cabinets.
  • May perform preventative maintenance and/or monitor calibration of equipment to ensure equipment is properly calibrated prior to use.
  • Specifies and assists in acquisition of tools and equipment.
  • May assist with Production assembly work at Production Supervisor’s discretion.
  • Helps prepare systems for shipment.
  • Participate in general clean up and maintenance on production floor as required.

Education and Experience:

  • Associate’s degree in electronics or equivalent plus. 5-7 years of experience in electrical test and repair experience in the technology or medical device industry. 
  • Ability to troubleshoot and analyze failures using electronic test equipment and software.
  • Ability to operate digital volt meters, AC test fixtures, power supplies, etc.
  • Strong attention to detail and the ability to work from written test instructions is required.
  • Proficient at reading blueprints, wiring diagrams, schematic drawings, or written work instructions for assembling electronic units.
  • Working knowledge of electronic theory and components.
  • Soldering proficiency for both mechanical joints and electrical connections.
  • Experience with controlled documentation and FDA compliance is desired.
  • Experience with accelerator systems (RF, high power electronics, high vacuum, superconducting magnets) is helpful. 
  • Ability to utilize a computer for documentation and testing. Ability to use a keyboard and utilize Microsoft office products is helpful.


  • Environment requires the use of 120, 208 and 480 VAC and 24V and 1000 VDC
  • Position requires sitting 5-6 hours per day
  • May require occasional travel to customer sites in the event of an emergency.

This position is located in Littleton, Ma

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