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Computational Physicist Jobs (NOW HIRING)

How you will contribute You will bring computational physics modelling & simulation capabilities to Mondelez R&D's highest priority areas, developing solutions to move R&D work away from large ...

PhD in computational physics, applied mathematics, computational engineering, or a closely related field * Deep expertise in numerical PDE methods: FEM, FVM, or BEM -- weak formulations, quadrature ...

PhD in computational physics, applied mathematics, computational engineering, or a closely related field * Deep expertise in numerical PDE methods: FEM, FVM, or BEM - weak formulations, quadrature ...

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Computational Physicist information

What Does a Computational Physicist Do?

A computational physicist applies numerical analysis to solve problems or support theories in physics. In this career, you use knowledge from numerous disciplines, including physics, statistics, mathematics, and computer science, to test a theory. You use algorithms and other methodological tools to crunch large datasets using powerful computers, which helps in solving differential equations and other statistical problems. This can include Monte Carlo calculations and eigenvalue problems. Some people consider computational physics a branch of theoretical physics or its own discipline with specific duties and responsibilities.

What is the difference between Computational Physicist vs Data Scientist?

AspectComputational PhysicistData Scientist
Required CredentialsPhysics degree, often PhD, strong math and programming skillsStatistics, computer science, or related degree, often with a master's or PhD
Work EnvironmentResearch labs, academia, government agencies, scientific institutionsTech companies, finance, healthcare, consulting firms
Industry UsageScientific research, simulations, modeling physical systemsData analysis, predictive modeling, business insights

While both roles require strong programming and analytical skills, Computational Physicists focus on physical systems and scientific research, whereas Data Scientists analyze data to inform business decisions. The choice depends on your interest in scientific research versus data-driven applications.

What are some typical challenges computational physicists face when working on collaborative research projects?

Computational physicists often collaborate with experimentalists, engineers, and other researchers, which can present challenges such as bridging communication gaps between disciplines and integrating diverse data formats or methodologies. Coordinating project timelines to ensure that simulations align with experimental milestones is also common. Additionally, managing large datasets and ensuring reproducibility of results across different computing environments can require careful planning and documentation. Effective teamwork and adaptability are essential to overcome these hurdles and drive successful research outcomes.

What are the key skills and qualifications needed to thrive as a Computational Physicist, and why are they important?

To thrive as a Computational Physicist, you need a strong background in physics, mathematics, and computer science, typically supported by at least a master's or Ph.D. in physics or a related field. Proficiency in programming languages such as Python, C++, and MATLAB, as well as experience with simulation software and high-performance computing systems, is essential. Strong analytical thinking, problem-solving abilities, and effective teamwork skills help you tackle complex scientific challenges and collaborate on interdisciplinary projects. These skills are crucial for developing accurate models, efficiently solving intricate problems, and advancing scientific research through computational methods.

What is a computational physicist?

A computational physicist is a scientist who uses computer simulations, numerical analysis, and algorithms to solve complex physical problems that are difficult or impossible to address analytically. They work in fields like condensed matter physics, astrophysics, and materials science, modeling phenomena such as atomic interactions or galaxy formation. Their work often involves writing code, analyzing large datasets, and collaborating with experimental and theoretical physicists. Computational physicists play a key role in advancing scientific knowledge by providing insights where traditional methods fall short.
What cities are hiring for Computational Physicist jobs? Cities with the most Computational Physicist job openings:
What are the most commonly searched types of Computational Physicist jobs? The most popular types of Computational Physicist jobs are:
Who are the top companies hiring for Computational Physicist jobs? The top employers for Computational Physicist jobs are:
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Infographic showing various Computational Physicist job openings in the United States as of July 2026, with employment types broken down into 68% Full Time, 31% Part Time, and 1% Contract. Highlights an 65% Physical, 2% Hybrid, and 33% Remote job distribution.
Computational Electrodynamics Accelerator Physicist 2/3

Computational Electrodynamics Accelerator Physicist 2/3

Los Alamos National Laboratory

Los Alamos, NM

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago


Los Alamos National Laboratory rating

9.2

Company rating: 9.2 out of 10

Based on 33 frontline employees who took The Breakroom Quiz

7th of 105 rated laboratories


Job description

What You Will Do
The Accelerator Operations and Technology Division Applied Electrodynamics (AOT-AE) group is seeking a Scientist 2/3/4 to provide expertise, support, and technical leadership in all aspects of design and modeling of accelerating structures and ion beam physics. We look for candidates with expertise in ion source modeling, RF structure modeling, electromagnetic components modeling, and start-to-end beam dynamics simulations. This particular position will be funded by the LANSCE Accelerator Modernization Project (LAMP), and the successful candidate will engage in design developmental activities for the LAMP accelerator, including interactions with experimental physicists and engineers at various test stands associated with LAMP.
This position will be filled at either the Scientist 2 or Scientist 3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if the candidate is hired at the higher level.
Scientist 2: $106,400-$176,000

The selected Scientist 2 will provide expertise, support, and technical leadership in one or more of the following areas:
  • Simulations of RF structures and electromagnetic components in CST, COMSOL, HFSS or similar software;
  • Beam physics simulations with IMPACT-T, GPT, CST Particle Studio, Elegant, or similar software; and
  • Knowledge of advanced RF structure and beamline optimizations techniques, including but not limited to those employing machine learning and artificial intelligence.
Scientist 3: $128,000-$215,900
The selected Scientist 3 will provide expertise, support, and technical leadership in one or more of the following areas:
  • Modeling and simulations of RF-driven H- sources, such as SNS-type sources;
  • Modeling and simulations of RF-driven H+ sources, e.g. ECR-type sources; and
  • Design and optimization of ion accelerators incorporating H+ or H- ion sources, radiofrequency quadrupoles, drift-tube linacs, and RF accelerating structures.
  • Development of new projects and leading proposals in his area of expertise.


What You Need
Minimum Job Requirements:
  • Demonstrated experience in simulation and design of hydrogen ion sources, RF structures and components, and/or ion beamlines similar to those required to demonstrate key operating parameters of the LAMP ion source.
  • Demonstrated success in meeting or exceeding the expectations of customers and stakeholders in a research organization focused on particle accelerators and in meeting commitments and deliverables.
  • Demonstrated excellence in oral and written communication skills, with both internal and external collaborators and sponsors.

Education/Experience at Level 2: Position requires a Bachelor's degree in a STEM field from an accredited college or university and 4 years of relevant experience or an equivalent combination of education and experience directly related to the occupation. Preference will be given to candidates with a Master's or a PhD degrees.
Education/Experience at Level 3: Position requires a Master's degree in a STEM field from an accredited college or university and 6 years of relevant experience or an equivalent combination of education and experience directly related to the occupation. Preference will be given to candidates with a PhD degree.
Desired Qualifications:
  • Demonstrated ability to develop technical programs in partnership with others.
  • Demonstrated leadership experience and skills in setting priorities and assigning tasks, performance evaluation, mentoring of employees, coaching, team building, and conflict resolution.
  • Demonstrated ability to nurture and develop research, engineering, and technical support staff.
  • Demonstrated ability to successfully manage, either directly or matrixed, a group of greater than 10 people.
  • Demonstrated ability to manage a multi-million-dollar budget.
  • Knowledge of Laboratory, DOD, DOE, and other national programs of relevance to the Group and Division's activities.
  • A clear vision of what the future of particle accelerators should look like and how this relates to both existing technology and what technology might look like in the coming years.
  • Demonstrated success in setting priorities for and leading efficient, graded implementation of safety, security and safeguards, environmental management, and other core Laboratory business requirements.
  • A current Q clearance, or the ability to obtain such, which normally requires U.S. citizenship.

Note to Applicants:
Each applicant must submit a resume and a cover letter addressing the required skills for full consideration.
Work Environment:
Work Location: The work location for this position is onsite and located in Los Alamos, NM. All work locations are at the discretion of management.
Position commitment: Regular appointment employees are required to serve a period of continuous service in their current position in order to be eligible to apply for posted jobs throughout the Laboratory. If an employee has not served the time required, they may only apply for Laboratory jobs with the documented approval of their Division Leader. The position commitment for this position is 1 year.
Note to Applicants:
Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China-including the special administrative regions of Hong Kong and Macau-as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory.
Where You Will Work
The Accelerator Operations and Technology (AOT) Division at Los Alamos National Laboratory (LANL) is the largest accelerator capability organization within LANL with over 200 employees. AOT is responsible for the operation, maintenance, and improvements to the Los Alamos Neutron Science Center (LANSCE) particle accelerator complex. The LANSCE accelerator provides 800-MeV protons used in five separate, but simultaneously operated user programs. Beam/user operations (24/7) run for roughly seven months of the year with the remaining five months reserved for maintenance and upgrades.
In addition to our responsibilities to the LANSCE programs, AOT also supports several large and small internal and external projects as well as doing fundamental research and development in the area of accelerator science, technology, and engineering.
Located in beautiful northern New Mexico, Los Alamos National Laboratory (LANL) is a multidisciplinary research institution engaged in strategic science on behalf of national security. Our generous benefits package includes:
  • PPO or High Deductible medical insurance with the same large nationwide network
  • Dental and vision insurance
  • Free basic life and disability insurance
  • Paid childbirth and parental leave
  • Award-winning 401(k) (6% matching plus 3.5% annually)
  • Learning opportunities and tuition assistance
  • Flexible schedules and time off (PTO and holidays)
  • Onsite gyms and wellness programs
  • Extensive relocation packages (outside a 50 mile radius)
Additional Details
Directive 206.2 - Employment with Triad requires a favorable decision by NNSA indicating employee is suitable under NNSA Supplemental Directive 206.2. Please note that this requirement applies only to citizens of the United States. Foreign nationals are subject to a similar requirement under DOE Order 142.3A.
No Clearance: Position does not require a security clearance. Selected candidates will be subject to drug testing and other pre-employment background checks.
New-Employment Drug Test: The Laboratory requires successful applicants to complete a new-employment drug test and maintains a substance abuse policy that includes random drug testing. Although New Mexico and other states have legalized the use of marijuana, use and possession of marijuana remain illegal under federal law. A positive drug test for marijuana will result in termination of employment, even if the use was pre-offer.
Regular position: Term status Laboratory employees applying for regular-status positions are converted to regular status.
Internal Applicants: Regular appointment employees who have served the required period of continuous service in their current position are eligible to apply for posted jobs throughout the Laboratory. If an employee has not served the required period of continuous service, they may only apply for Laboratory jobs with the documented approval of their Division Leader. Please refer to Policy Policy P701 for applicant eligibility requirements.
Equal Opportunity: Los Alamos National Laboratory is an equal opportunity employer. All employment practices are based on qualification and merit, without regard to protected categories such as race, color, national origin, ancestry, religion, age, sex, gender identity, sexual orientation, marital status or spousal affiliation, physical or mental disability, medical conditions, pregnancy, status as a protected veteran, genetic information, or citizenship within the limits imposed by federal, state, and local laws and regulations. The Laboratory is also committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request such an accommodation, please send an email to applyhelp@lanl.gov or call (505)-664-6947.

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