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Federal Government Physics Jobs (NOW HIRING)

Arcfield

Physicist / Image Scientist

Chesterbrook, PA · On-site

Bachelor's degree in engineering (aerospace, mechanical, electrical), physics, mathematics ... EEO Statement We are an equal opportunity employer and federal government contractor. We do not ...

Castalia Systems

Physicist, Senior

Reston, VA · On-site

This includes, but is not limited to, applied and interdisciplinary fields of physics such as ... the Federal Government. We provide cutting-edge solutions from Securing and Managing Data to ...

New

Castalia Systems

Physicist, Senior

Reston, VA · On-site

This includes, but is not limited to, applied and interdisciplinary fields of physics such as ... the Federal Government. We provide cutting-edge solutions from Securing and Managing Data to ...

New

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How much do federal government physics jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for federal government physics in the United States is $20.06, according to ZipRecruiter salary data. Most workers in this role earn between $12.50 and $25.48 per hour, depending on experience, location, and employer.

What is a federal government physics job?

A Federal Government Physics job involves applying physics principles in government agencies for research, policy development, or technical support. Physicists in these roles may work in defense, energy, space exploration, or environmental science. They often conduct experiments, develop models, or provide scientific guidance for regulations and national programs. These positions exist in agencies like NASA, the Department of Energy, and the Department of Defense. Security clearances may be required for some roles, especially those related to national security.

What types of projects or research might I work on as a physicist in the federal government?

Physicists working in federal government roles often engage in research and development projects that support national priorities, such as energy innovation, environmental monitoring, defense technologies, or advanced materials. You may contribute to large, multi-disciplinary teams tackling complex scientific questions, testifying as a subject matter expert, or supporting policy development with your technical expertise. Daily responsibilities can range from conducting experiments and analyzing data to preparing technical reports and presenting findings to stakeholders. These roles frequently offer exposure to cutting-edge technologies and the chance to make a tangible impact through public service.

What are the key skills and qualifications needed to thrive in a federal government physics position, and why are they important?

To thrive in a Federal Government Physics role, you need a strong background in physics or a related scientific field, typically supported by an advanced degree and relevant research experience. Familiarity with laboratory instrumentation, scientific data analysis software, and compliance with government protocols and security clearances is often required. Excellent problem-solving, communication, and teamwork skills set candidates apart in these often collaborative and interdisciplinary environments. These skills are essential to effectively conduct research, contribute to national initiatives, and navigate the complex regulatory landscape of federal projects.

Do physicists work for the government?

Yes, physicists often work for the government in roles such as research scientists, defense analysts, or policy advisors. They may be employed by agencies like NASA, the Department of Energy, or national laboratories, where they conduct research, develop technologies, and support national interests using their expertise in physics.
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Federal Government Physics jobs near you
Infographic showing various Federal Government Physics job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $41,731 per year, or $20.1 per hour.

Therapeutic Medical Physicist (TMP)

Ansible Government Solutions, LLC

Northport, NY • On-site

$130 - $180/hr

Other

Posted 16 days ago

Key responsibilities

  • Provide therapeutic medical physics services to radiation oncology patients.

  • Collaborate with Radiation Oncologists on treatment planning and radiation delivery.

  • Design, optimize, evaluate, and review radiation treatment plans, including participating in peer review and modifying plans as needed.

Job description

Overview

Ansible Government Solutions, LLC (Ansible) is currently recruiting a Therapeutic Medical Physicist to provide onsite services to eligible beneficiaries of the Northport VA Medical Center located at 79 Middleville Rd, Northport, NY 11768. Standard clinic hours are typically Monday - Friday 8:00 AM - 4:30 PM. If you accept employment with Ansible, you must also acknowledge that any assigned schedule is subject to change at the direction of either Ansible or its customers.


Ansible Government Solutions, LLC (Ansible) is a Service-Disabled Veteran-Owned Small Business (SDVOSB) providing Federal customers with solutions in many arenas. Our customers face wide-ranging challenges in the fields of national security, health care, and information technology. To address these challenges, we employ intelligent and committed staff who take care of our customers’ success as if it is their own.


Responsibilities

  • Provide therapeutic medical physics services to radiation oncology patients.

  • Collaborate with Radiation Oncologists on treatment planning and radiation delivery.

  • Support advanced treatment modalities including:

    • IMRT

    • IGRT

    • SRS

    • SRT

    • SBRT

    • VMAT

    • HDR/LDR brachytherapy



  • Participate in peer review of all treatment plans before treatment initiation.

  • Review and modify treatment plans throughout the course of therapy as needed.

  • Attend and participate in weekly peer review conferences and chart rounds.

  • Design, optimize, and evaluate radiation treatment plans.

  • Perform radiation dose calculations and monitor unit (MU) calculations.

  • Ensure independent review of treatment calculations.

  • Generate dose-volume histograms (DVHs).

  • Define organs at risk (OARs) and dose constraints.

  • Validate treatment planning system accuracy.

  • Model radiation beams and oversee treatment planning software functionality.

  • Perform and oversee:

    • Daily QA

    • Monthly QA

    • Annual QA

    • Machine calibrations

    • Radiation safety testing



  • Calibrate all available radiation beams.

  • Conduct periodic equipment performance evaluations.

  • Maintain compliance with ACR, ASTRO, AAPM, NRC, and VA standards.

  • Coordinate annual TLD measurements and third-party calibration reviews.

  • Maintain documentation for all QA activities

  • Support radiation oncology treatment planning systems and connected equipment.

  • Monitor:

    • ARIA Record & Verify

    • Eclipse Treatment Planning System

    • SRS/SRT/IGRT systems



  • Manage system updates, backups, troubleshooting, and connectivity issues.

  • Act as liaison with facility informatics staff.


Qualifications

  • Master's degree in Medical Physics or related field

  • Board Certification in Medical Physics or Therapeutic Medical Physics by the American Board of Radiology (ABR)

  • Minimum 2 years continuous therapeutic medical physics experience within the last 3 years

  • 2 years QA procedure experience

  • 1 year experience in an ACR-accredited radiation oncology environment

  • 1 year experience with Varian Linear Accelerators (IX and Trilogy)

  • 1 year IGRT experience including Cone Beam CT

  • 1 year Eclipse Treatment Planning System experience

  • 1 year ARIA Record & Verify System experience

  • Experience independently planning:

    • 2D/3D Conformal

    • IMRT

    • VMAT

    • SRS

    • SRT

    • SBRT



  • 1 year IMRT QA experience using MapCheck I/II or equivalent

  • 1 year Siemens Somatom CT Simulator experience (or equivalent)

  • Experience in a healthcare system with ACR orAPExcertification preferred

  • Strong analytical and problem-solving skills

  • Excellent communication and teamwork abilities

  • Proficiencyin computer systems and networking related to radiation oncology

  • Ability to pass a government background check and complete required VA training


All candidates must be able to:

  • Sit, stand, walk, lift, squat, bend, twist, and reach above shoulders during the work shift

  • Lift up to 50 lbs from floor to waist

  • Lift up to 20 lbs

  • Carry up to 40 lbs a reasonable distance

  • Push/pull with 30 lbs of force


All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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