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Junior Physicist Jobs (NOW HIRING)

Helion Energy

Health Physicist

Everett, WA · On-site

$109K - $128K/yr

We are looking for a Health Physicist to join our Radiation Safety team to work with radiation ... Lead and mentor junior team members and partner teams, driving strategic initiatives and ...

Seh

One (1) year experience as a Medical Physicist or Junior Medical Physicist * Previous experience in Radiation Safety or as a Radiation Safety Officer. Minimum Education Required * Master's degree in ...

Fuse

Computational Physicist

San Leandro, CA · On-site

Provide technical mentorship and guidance to junior team members, fostering a collaborative and innovative research environment. Minimum Requirements * Ph.D. or M.S. in Physics, Electrical ...

Xcimer Energy

Lead Experimental Physicist

Denver, CO · On-site

$200K - $225K/yr

As the Lead Experimental Physicist, you will be responsible for independently driving complex laser ... Prior experience mentoring technicians or junior team members $200,000 - $225,000 a year Candidates ...

Tetra Tech

Senior Health Physicist

Albuquerque, NM

Comfortable assigning work to staff and cultivating health physicist junior staff career growth. Work Environment/Environmental Factors (Required) This position is primarily desk work, however ...

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How much do junior physicist jobs pay per year?

As of Jun 11, 2026, the average yearly pay for junior physicist in the United States is $94,805.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,000.00 and $112,000.00 per year, depending on experience, location, and employer.

What is a Junior Physicist job?

A Junior Physicist is an entry-level professional who applies physics principles to research, experiments, and data analysis in various industries such as healthcare, energy, or technology. They assist senior physicists in conducting studies, developing models, and analyzing physical phenomena. Their work may involve laboratory experiments, computational simulations, or theoretical analysis. Junior Physicists often collaborate with engineers and scientists to solve complex problems and contribute to technological advancements.

What are the key skills and qualifications needed to thrive in the Junior Physicist position, and why are they important?

To thrive as a Junior Physicist, you need a solid grounding in physics and mathematics, typically evidenced by a bachelor's or master's degree in physics or a related field. Familiarity with data analysis software such as MATLAB, Python, or LabVIEW, as well as experience with scientific instrumentation, are often required. Strong analytical thinking, attention to detail, and effective communication are valuable soft skills in this position. Mastery of these skills and tools is crucial for effective research, problem-solving, and collaboration within scientific teams.

What are some typical daily tasks for a Junior Physicist, and how do they contribute to larger research projects?

A Junior Physicist commonly assists with setting up and conducting experiments, analyzing data, and preparing reports or presentations for supervisors or team meetings. You may also collaborate with senior physicists and engineers to interpret results or troubleshoot experimental setups. Your work plays a vital role in ensuring accurate data collection and supporting the overall progress of research initiatives. This foundational experience not only helps develop your technical skills but also strengthens your ability to work effectively within a multidisciplinary team.

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What cities are hiring for Junior Physicist jobs? Cities with the most Junior Physicist job openings:
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Junior Physicist jobs near you
Infographic showing various Junior Physicist job openings in the United States as of June 2026, with employment types broken down into 97% Full Time, and 3% Contract. Highlights an 71% In-person, 21% Hybrid, and 8% Remote job distribution, with an average salary of $94,805 per year, or $45.6 per hour.
Health Physicist

Health Physicist

Helion Energy

Everett, WA • On-site

$109K - $128K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Job description

About Helion
We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.
Since Helion's founding in 2013, we have raised over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). We are now operating Polaris, our next prototype on the path to the world's first fusion power plant.
This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths - values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.
What You Will Be Doing:
We are looking for a Health Physicist to join our Radiation Safety team to work with radiation, radioactive materials, radiation survey equipment, and team members with varying levels of technical familiarity with these subjects, as we operate Polaris and build future fusion generators. This position is ideal for an experienced professional eager to make a significant impact on radiation safety practices at Helion.
As a member of the radiation safety contingent of the Science team, which includes radiation safety, fuel cycle, plasma and nuclear science, and materials contingents, you will work closely with diverse teams across Helion, such as Research & Development, Engineering, Production, EH&S, Facilities, and more. You will report to our RSO at our Everett, WA office.
You Will:
  • Work with cross-functional teams to design, establish, implement, and execute a comprehensive radiation safety program supporting safe, compliant, and effective radiological operations
  • Develop and optimize protocols for handling radioactive materials and radiological hazards, including photons, neutrons, tritium, and activated materials
  • Communicate radiation safety principles and health effects effectively to team members with varying levels of expertise
  • Operate survey equipment including liquid scintillation counters, NaI detectors, HPGe detectors, Geiger counters, and ion chambers
  • Perform and improve critical health physics functions, including dosimetry, leak tests, wipe tests, radiation surveys, environmental monitoring, and radiological procedure development
  • Lead and mentor junior team members and partner teams, driving strategic initiatives and contributing to innovative safety methodologies tailored to fusion technology by ensuring cohesive execution across functions

Required Skills:
  • Bachelor's degree in Health Physics, Nuclear Engineering, Radiological Sciences, Physics, or a related technical field is preferred
  • 5+ years of progressive experience in radiation safety, with demonstrated leadership in designing and owning complex radiation safety programs or objectives. Advanced qualifications or certifications such as CHP (Certified Health Physicist) are highly preferred for senior candidates
  • Ability to communicate complex radiological concepts effectively across multidisciplinary teams
  • Strong understanding of radiation protection principles, dosimetry, contamination control, and regulatory compliance frameworks
  • Experience developing, implementing, or improving radiation safety programs, procedures, or operational controls
  • Hands-on experience working with radioactive materials, radiation detection instrumentation, and radiological survey techniques
  • Strong understanding of radiation protection principles, dosimetry, contamination control, and regulatory compliance frameworks

#LI-Onsite #LI-TM1
Benefits
Our total compensation package includes benefits, including but not limited to:
• Medical, Dental, and Vision plans for employees and their families
• 31 Days of PTO (21 vacation days and 10 sick days)
• 10 Paid holidays, plus company-wide winter break
• Up to 5% employer 401(k) match
• Short term disability, long term disability, and life insurance
• Paid parental leave and support (up to 16 weeks)
• Annual wellness stipend
Helion is an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.

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