The System Test Engineer will manage and perform system level testing of RefleXion’s radiotherapy test devices in support of design development and new product introduction.  Responsible for coordinating, prepping and executing the daily tests required for design verification or product reliability testing across several different test devices.  The successful candidate will demonstrate a solid understanding of system level operation of a complex electro-mechanical device that detects and emits radiation with the use of sophisticated software, as well as very effective communication and interpersonal skills. 


  • Manage dynamic scheduling of the test devices and bunkers on a daily basis.
  • Perform sub-system and system level testing of the device utilizing the machine hardware and software controls.
  • Perform a daily machine warm-up and daily machine QA procedure, such as measuring dose rate, energy and other beam parameters.
  • Perform machine safety checks.
  • Perform experimental setup with phantoms and other devices used in the experiments.
  • Support development of formal system performance checks and factory acceptance tests.
  • Record and analyze experimental data as needed.
  • Debug and diagnose functional issues to the subsystem level, for both the hardware and software, and perform repairs when possible.
  • Work closely with all team members, including those that may be remote, to troubleshoot and resolve problems.
  • Document all data and issues to contribute to shared learning of the team.
  • Propose improvements to test procedures or product design.
  • Follow radiation safety procedures, policies and requirements.


  • BS required in Engineering, Physics, or other related area.
  • 3+ years of system level operational experience with a complex electro-mechanical device in an R&D setting.
  • Experience in a compliance-oriented and highly regulated environment; FDA Quality System Regulation (QSR) preferred.
  • Proven ability to diagnose and resolve problems on complex electro-mechanical devices that use highly sophisticated software.
  • Solid computer and software skills, including the ability to work on UNIX flavored operating systems (e.g. Linux, QNX).
  • Solid understanding of AC power distribution system and control electronics.
  • Comfortable working with radioactive materials and x-ray generating equipment.
  • Hands-on experience in lab setting (mixing chemicals, etc.), preferred.
  • High level of attention to detail and accuracy.
  • Excellent communication (verbal, written) and documentation skills.
  • Must be strong team player.
  • Ability to work 2nd shift hours over the range of 12 noon-10 pm

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