Health Physicist

About Fuse

We are a (rad hard) team of builders, breakers, and fixers - delivering pulsed-power systems to accelerate the world’s transition to fusion. Customers span defense, energy, and aerospace; our pulsed-power platforms (e.g. TITAN, Z-STAR) support nuclear effects testing now and fusion plants tomorrow.

Design and ownership of radiological protection programs for a high-radiation prompt test environments. The role covers ALARA practices, dosimetry and bioassay programs, instrumentation/spectroscopy, shielding/activation analysis, environmental monitoring, waste and source control, procedure development, and audit readiness. You will collaborate with Radiation Contamination Technologists (RCTs) and Test/Engineering to enable safe throughput and reliable data while meeting federal and state requirements.

• Plan and execute radiation work procedures (RWPs)/ALARA for radiation generating operations (pulsed-power accelerators and neutron yields); establish boundaries, brief crews, and control access. Develop, implement, and maintain the site Radiological Protection Program (RPP); chair/coordinate ALARA reviews and dose trending for individuals.
• Author Radiation Work Permits and safety checklists for radiation generating operations; establish boundaries, postings, and access controls with RCT collaboration.
• Manage Dosimetry & Bioassay programs and extremity dosimetry monitoring of rad workers; determine bioassay requirements (urinalysis/thyroid counting), maintain exposure records and reporting.
• Regulatory understanding, negotiating, and implementation as required for regular operations.
• Oversight of all radiological work and radiological protection including daily operations as well as high radiation areas and contamination scenarios.
• Perform quick‑turn shielding/activation estimates (MCNP/GEANT4/NOVICE or validated simplified methods); recommend cell layouts, shielding, and radiation material area (RMA) criteria.
• Establish contamination control levels; oversee RCT decontamination practices of hardware, facilities, and personnel as required.
• Monitor and trend machine activity and surface surveys; investigate anomalies and document corrective actions.
• Deliver Radiation Worker (I and II) training and refreshers. Maintain training records.
• Ensure alignment with NRC/DOE/OSHA/EPA/state requirements and DoD/DoE site protocols; prepare for and host audits/inspections; close findings.
• Maintain surveys, chain‑of‑custody, calibrations, source inventory, and incident reports in controlled repositories.
• Support experiment/test series planning and readiness reviews.

• Education:
  
  BS/MS in Health Physics, Radiological Engineering, Nuclear Engineering, or related field.
• Experience:
  
  4–8+ years in radiological protection at accelerator, reactor, pulsed-power, HEDP, nuclear effects, or similar mixed‑field environments.
• Expertise with radiation protection standards and safety processes.
• Experienced with MCNP/GEANT4/NOVICE (or equivalent) for shielding and activation modeling.
• Proficiency with survey meters, neutron rem counters, friskers, personal contamination monitors; meter calibration/response checks; sealed‑source control and leak testing.
• Clear, concise technical writing; calm, direct communication with engineers, technicians, and external customers and reviewers.

• Prior responsibility for DoD/DoE environmental monitoring programs and safety protocols.
• Experience integrating rad controls with non‑rad hazards (HV, vacuum, cryo, lasers) and broader EHS systems.
• Familiarity with PDM/PLM and document control practices; change control for procedures and drawings.
• Experience supporting classified or export‑controlled programs; comfortable with customer interfaces (DoD/DoE primes).

• Knowledge of NRC/Agreement‑State rules, 10 CFR series (as applicable), DOE Orders/Guides, ANSI/HPS standards, and OSHA electrical/LOTO/ESD practices.
• U.S. person under ITAR/EAR definitions and clearance‑eligible for certain programs (background check required).