Computational Physicist

Type One Energy Group is mission-driven to provide sustainable, affordable fusion power to the world. Established in 2019 and venture-backed in 2023, the company is led by a team of globally recognized fusion scientists with a strong track record of building state-of-the-art stellarator fusion machines, together with veteran business leaders experienced in scaling companies and commercializing energy technologies.

Your role in the mission:

Type One Energy is seeking Computational Physicists to contribute to the development of high-fidelity models and simulations supporting stellarator design and operation. These roles will focus on predictive modeling of plasma behavior across core, edge, and boundary regions, enabling data-driven design decisions and advancing fusion performance.

This is an opportunity to work at the intersection of theory, simulation, and engineering, contributing directly to the realization of commercial fusion energy.

You will work closely with Engineers and Scientists and will also be responsible for:

Developing and execute integrated modeling frameworks to simulate and predict plasma operational scenarios
Performing plasma profile and fusion performance predictions using gyrokinetic turbulence simulations and reduced models
Contribute to the development and validation of simulation tools for divertor and boundary plasma physics
Support integrated core-edge modeling and analysis to evaluate plasma performance and stability
Model a range of plasma phenomena, including:
Neoclassical transportEnergetic particle transportPlasma-neutral interactions and boundary physicsMHD equilibrium and stabilityPellet fuelingElectron cyclotron heating (ECH)
Collaborate cross-functionally with engineering teams to provide physics-based insights that inform system design and optimization
Analyze simulation outputs and experimental data to validate models and improve predictive capability
Document findings through technical reports, presentations, and peer-reviewed publications

What you’ll need:

PhD in Plasma Physics, Computational Physics, Nuclear Engineering, or a related field
Strong background in plasma physics theory and numerical simulation methods
Experience with one or more of the following:

Gyrokinetic simulation codes

MHD equilibrium and stability tools

Edge/divertor modeling simulation code experience

Integrated modeling codes

Proficiency in scientific programming (e.g., Python, C++, Fortran) and high-performance computing (HPC) environments
Experience with data analysis and visualization tools
Demonstrated ability to work in collaborative, multidisciplinary teams

Preferred Qualifications

Experience with stellarator physics and optimization
Familiarity with core-edge coupling and integrated simulation workflows
Prior involvement in fusion experiments or large-scale simulation projects
Track record of peer-reviewed publications in relevant fields

Medical Physicist - Radiation Oncology

Munson Healthcare

What You’ll Do

Competent to independently provide clinical and professional services in therapeutic medical physics.
Consults and collaborates with Radiation Oncologists and allied health personnel.
Supports treatment planning and patient-specific radiation dosing.
Ensures radiation safety for patients, staff, and the general public.

Key Duties

Develop, test, and commission radiation therapy, brachytherapy, simulation, and treatment-planning equipment; ensure regulatory and accreditation compliance.
Establish and maintain policies and procedures for clinical use of radiation and technical operations.
Perform radiation measurements, acceptance testing, and equipment evaluations prior to clinical implementation.
Review and evaluate patient dosimetry and collaborate with physicians and dosimetrist on treatment planning.
Lead quality management and radiation safety programs, including shielding design and evaluation.
Provide technical leadership for radiation oncology staff and support program development.
Deliver consultation, training, and expertise in radiation dose, imaging applications, and informatics.
Execute brachytherapy quality assurance procedures, oversee all radioactive source exchange activities, and participate in treatment planning and delivery for the brachytherapy program.

Qualifications

Masters or Ph.D. from a CAMPEP accredited medical physics program OR a Ph.D. or equivalent in Physics, Medical Physics, or related field with completion of a CAMPEP approved residency training program in Radiation Oncology Physics.
Board Certified or Board Eligible by the American Board of Radiology.
Listed as authorized medical physicists on radioactive materials license or eligible.

Physicist Research Scientist

Lawrence Berkeley National Laboratory

Berkeley Lab’s Laser Technologies Group has an opening for a Career-Track Research Scientist position.

As a Career-Track Research Scientist, you will use your expertise in the development of advanced laser-matter interaction processes and the fabrication of next-generation optical devices. The position will focus on leveraging femtosecond laser technologies to engineer complex 3D architectures and functional optical components. The successful candidate will bridge the gap between fundamental laser physics and the realization of advanced photonic devices, ensuring the development of scalable, high-performance solutions for a variety of applications.

You will:

Contribute to innovative research in ultrafast laser-material interactions, focusing on 3D additive manufacturing and surface fabrication
Design and fabricate advanced optical components, including optically/electrically tunable 3D optics
Conduct fundamental studies to unveil the mechanisms of laser-matter interactions in novel materials
Manage work plans for multiple research tasks, lead high-throughput data collection and analysis, and implement iterative improvements to system performance.
Develop creative resolutions to complex technical challenges involving multi-material integration.
Apply computational analysis and multiphysics simulations to design photonic structures and interpret experimental results.
Collaborate with internal scientists, research associates, and postdoctoral fellows to advance the group's technical capabilities.
Contribute to or co-author the writing of technical proposals and manuscripts, and represent the Laboratory at scientific meetings and program reviews.
Actively works to build a network of contacts and collaborators within their field of research and at funding agencies
Prepare funding proposals
Report research progress to funders
Present findings at seminars and/or conferences
Adhere to all LBNL and EH&S safety guidelines and requirements.

We are looking for:

Advanced degree. in Physics, Engineering, Materials Science, or a closely related experimental field.
Demonstrated experience in femtosecond 3D additive manufacturing techniques - including but not limited to - 3D Direct Laser Writing, Multiphoton Metal Reduction, and Laser-Induced Forward Transfer
Experience in development of THz time domain spectroscopy systems
Strong background in the fundamental non-linear physics and multi-photon processes underpinning ultrafast laser-matter interactions
Experience in optics, experimental system design, and the construction of advanced optical setups
Proficiency with advanced femtosecond 3D manufacturing processes and tubable optics fabrication
Knowledge of hyperspectral imaging and detector requirements
Proficiency with advanced material characterization techniques (morphological, composition, phase)
Optics simulation knowledge, including electromagnetic simulation software and classical optics.
Excellent communication skills, including writing and presenting.
Excellent time management and organizational skills
Ability to work effectively in a team environment as well as independently.
Ability to publish research and present results in conferences, program reviews and DOE independent assessments

Desired skills/knowledge:

Ph.D. in Physics, Engineering, Materials Science, or a closely related experimental field.
Project management experience
Experience in pump-probe experimentation
Strong programming and data analysis skills