A Therapeutic Radiologic Technologist (Dosimetrist) is a member of the radiation oncology team working collaboratively with the medical physicist and radiation oncologist meeting cancer patients needs through radiation therapy. Medical Dosimetrists have an in-depth knowledge of high-dose ionizing radiation and clinical relevance of radiation oncology treatment machines and equipment. Dosimetrists possess an in-depth knowledge of all medical imaging modalities.
Summary
A Therapeutic Radiologic Technologist (Dosimetrist) is a member of the radiation oncology team working collaboratively with the medical physicist and radiation oncologist meeting cancer patients needs through radiation therapy. Medical Dosimetrists have an in-depth knowledge of high-dose ionizing radiation and clinical relevance of radiation oncology treatment machines and equipment. Dosimetrists possess an in-depth knowledge of all medical imaging modalities.
NOTE: The 2-page Resume requirement does not apply to this position. For more information, refer to Required Documents below.
This job is open to current permanent employees of the facility/CBOCs where this vacancy is located, Michael E. DeBakey VA Medical Center.
Performs revisions instructed by either the Radiation Oncologist and/or the Medical Physicist, to achieve the most optimal treatment plan for the patient.
Identifies and contours normal and dose-limiting structures by utilizing images from one or more data sets.
Demonstrates proficiency with tools used within the treatment planning system and the R&V System.
Demonstrates proficiency in image registration and image deformation with various imaging data sets, to include CT, MRI, PET, etc.
Creates and transfers reference images and localization markers for treatment setup verification and treatment delivery to include DRR's, CBCT's and other IGRT methods, as specified to the R&V system.
Assists with patient simulations and tumor localization using specified imaging devices including, but not limited to CT, MRI, and PET. Assist with CT or clinical simulation tasks, including but not limited to immobilization, bolus placement, isocenter localization, while anticipating possible clinical limitations at the treatment unit and advising the simulation therapist as such.
Assists with the fabrication of beam modifying devices.
Communicates with the radiation therapist(s) in the implementation of the treatment plan.
Follows and updates dosimetric flow sheets within the Record and Verify system (R&V), checklists, and other relevant documentation processes, per section SOPs.
Performs calculations for the accurate delivery of the prescribed dose, documents all pertinent information in the patient record and verifies the accuracy of all calculations per section SOPs.
Enters patient dosimetry data, (Site Setup, Treatment Calendar, DRR's, Dosimetry flow sheets ... etc.) into the Record and Verify System based on section SOPs.
Work Schedule: Monday-Friday; 8:00 am - 4:30 pm Compressed/Flexible:Available based on the needs of the service. Telework: Not available. Virtual: This is not a virtual position. Functional Statement #: 02065F Relocation/Recruitment Incentives: Not authorized. Permanent Change of Station (PCS): Not authorized. PCS Appraised Value Offer (AVO): Not authorized.
All applicants tentatively selected for VA employment in a testing designated position are subject to urinalysis to screen for illegal drug use prior to appointment. Applicants who refuse to be tested will be denied employment with VA.
Selective Service Registration is required for males born after 12/31/1959.
Must be proficient in written and spoken English.
Subject to background/security investigation.
Selected applicants will be required to complete an online onboarding process. Acceptable form(s) of identification will be required to complete pre-employment requirements (https://www.uscis.gov/i-9-central/form-i-9-acceptable-documents). Effective May 7, 2025, driver's licenses or state-issued identification cards that are not REAL ID compliant cannot be utilized as an acceptable form of identification for employment.
Participation in the seasonal influenza vaccination program is a requirement for all Department of Veterans Affairs Health Care Personnel (HCP).
Complete all application requirements detailed in the "Required Documents" section of this announcement.
As a condition of employment for accepting this position, you will be required to serve a 1 or 2-year trial period during which we will evaluate your fitness and whether your continued employment advances the public interest. In determining if your employment advances the public interest, we may consider:
your performance and conduct;
the needs and interests of the agency;
whether your continued employment would advance organizational goals of the agency or the Government; and
whether your continued employment would advance the efficiency of the Federal service.
Upon completion of your trial period, your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.
Qualifications
Basic Requirements:
Citizenship: Be a citizen of the United States (U.S.). Non-citizens may be appointed when it is not possible to recruit qualified citizens according to 38 U.S.C. ยง 7407(a).
Education: Effective January 1, 2017, candidates are required to hold a minimum of a bachelor's degree and graduate from a medical dosimetry program of at least 12 months in duration. The medical dosimetry program must be accredited by the Joint Review Committee on Education in Radiologic Technology (JRCERT), or other accrediting bodies recognized by the U.S. Department of Education. JRCERT is the accrediting agency for the medical dosimetry programs recognized by the U.S. Department of Education.
Exception: Candidates who graduated prior to January 1, 2017, are considered to have met the basic education requirement provided they meet all Medical Dosimetrist Certification Board (MDCB) requirements and are in good standing.
Certification: All applicants must be certified in medical dosimetry by the MDCB. Certified Medical Dosimetry (CMD) is the recognized credential for Medical Dosimetrists.
Loss of Credential: In collaboration with HR office staff, management officials must immediately relieve employees who fail to maintain the required certification of the duties and responsibilities associated with this occupation, which may also result in separation from employment.
May qualify based on being covered by the Grandfathering Provision as described in the VA Qualification Standard for this occupation (only applicable to current VHA employees who are in this occupation and meet the criteria).
Grade Determinations: In addition to the basic requirements for employment, the following criteria must be met when determining the grade of candidates:
Experience: At this level, candidates must possess at least one year of creditable experience equivalent to the next lower grade level that demonstrates the core competencies described at that level and must fully meet the KSAs.
Demonstrated Knowledge, Skills, and Abilities: In addition, the candidate must demonstrate the following technical KSAs:
Knowledge of the care and use of radioactive resources for implementation and treatment delivery.
Skill at effective communication and leadership as demonstrated by providing orientation and training for staff, providing input for yearly appraisals, directing progress and coordination of workload, and ensuring compliance with standard operating procedures and directives to provide continuity of care.
Skill in providing guidance and expertise related to all aspects of the treatment planning process.
Skill to independently perform complex treatment procedures as evidenced by completing tasks such as developing and troubleshooting highly complex isodose treatment plans delineating critical structures and tumor volumes, performing weekly chart checks, performing QA verifications and providing training on all aspects of the Record and Verify System such as Mosaiq or Aria.
Ability to resolve complex physical and geometric errors in radiation equipment, simulation procedures and treatment delivery implementation.
Ability to follow protocols including, but not limited to developing and implementing policies and standard operating procedures, participating in research programs, ensuring compliance with the radiation safety office, national program office, and accrediting agencies, and following established quality standard measures.
Ability to apply a broad range of specific methods of radiation measurements including, but not limited to, diode, ion chamber, thermoluminescent dosimeter, or film measurement as directed by a qualified Medical Physicist and perform or assist with the QA procedures as directed by a qualified Medical Physicist.
Preferred Experience: Experienced with Eclipse treatment planning system (TPS), including Multiplan and MCO.
One year of experience with and of the following; Cyberknife treatment planning (Multiplan or Precision), Velocity deformable registration, Aria record & verify (R&V) system, Radformation software suite (EZ Fluence, AutoContour, ClearCalc, ClearCheck), CPRS EMR, Cerner EMR and Varian Truebeam.
The full performance level of this vacancy is GS-12. The actual grade at which an applicant will be selected for this vacancy is at the GS-12 level.
Physical Requirements: Physical aspects associated with work required of this assignment are typical for the occupation, see Duties section for essential job duties of the position. May require standing, lifting, carrying, sitting, stooping, bending, puling, and pushing. May be required to wear personal protective equipment and undergo annual TB screening or testing as conditions of employment.
Work Environment: Work is performed in an office/clinic setting with minimal risks that requires normal safety precautions; the area is adequately lighted, heated, and ventilated. However, the work environment requires someone with the ability to handle several tasks at once in sometimes stressful situations.
Education
Note: Only education or degrees recognized by the U.S. Department of Education from accredited colleges, universities, schools, or institutions may be used to qualify for Federal employment. You can verify your education here: http://ope.ed.gov/accreditation/. If you are using foreign education to meet qualification requirements, you must send a Certificate of Foreign Equivalency with your transcript in order to receive credit for that education. For further information, visit: https://sites.ed.gov/international/recognition-of-foreign-qualifications/.
Additional information
Receiving Service Credit for Earning Annual (Vacation) Leave: Federal Employees earn annual leave at a rate (4, 6 or 8 hours per pay period) which is based on the number of years they have served as a Federal employee. Selected applicants may qualify for credit toward annual leave accrual, based on prior work experience or military service experience. This credited service can be used in determining the rate at which they earn annual leave. Such credit must be requested and approved prior to the appointment date and is not guaranteed.
During the application process you may have an option to opt-in to make your resume available to hiring managers in the agency who have similar positions. Opting in does not impact your application for this announcement, nor does it guarantee further consideration for additional positions.
This job opportunity announcement may be used to fill additional vacancies.
This position is in the Excepted Service and does not confer competitive status.
VA encourages persons with disabilities to apply. The health-related positions in VA are covered by Title 38, and are not covered by the Schedule A excepted appointment authority.
If you are unable to apply online or need an alternate method to submit documents, please reach out to the Agency Contact listed in this Job Opportunity Announcement.
Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
How you will be evaluated
You will be evaluated for this job based on how well you meet the qualifications above.
IN DESCRIBING YOUR EXPERIENCE, PLEASE BE CLEAR AND SPECIFIC. WE MAY NOT MAKE ASSUMPTIONS REGARDING YOUR EXPERIENCE. Your application, resume, C.V., and/or supporting documentation will be verified. Please follow all instructions carefully. Errors or omissions may affect consideration for employment.
Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religions; spiritual; community; student; social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.
The Department of Veterans Affairs performs pre-employment reference checks as an assessment method used in the hiring process to verify information provided by a candidate (e.g., on resume or during interview or hiring process); gain additional knowledge regarding a candidate's abilities; and assist a hiring manager with making a final selection for a position.
It is the policy of the VA to not deny employment to those that have faced financial hardships or periods of unemployment.
Veterans and Transitioning Service Members: Please visit the VA for Vets site for career-search tools for Veterans seeking employment at VA, career development services for our existing Veterans, and coaching and reintegration support for military service members.
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
To apply for this position, you must provide a complete Application Package which includes:
Certified Medical Dosimetry (CMD) by the Medical Dosimetrist Certification Board (MDCB).
Resume
SF-50/ Notification of Personnel Action
Transcript
Resume Requirement: Your resume must include the following information; Job Title, description of duties, beginning and ending date (month/year) of employment, and average hours worked per week.
For Internal Employees: Most recent SF-50 must be uploaded for all internal employees.
Special Note for Applications: To complete your application, please use the following link https://vacareers.va.gov/wp-content/uploads/sites/5/Resume.docx to download the standard Clinical Resume Document. This one-page document does not need to be modified and must be uploaded into the two-page restricted 'Resume' document upload field.
Your full resume/CV may be uploaded without page limitation into the 'Other' document upload field.
The following documents are accepted, and may be required if applicable to your eligibility and/or qualifications for this position. Please ensure you have included all documents required for your application, such as a copy of your transcript (if using education to qualify), SF-50's (current/former Federal employees), etc.
Cover Letter
DD-214/ Statement of Service
Disability Letter (VA)
License
CV/Resume
Certified Medical Dosimetry (CMD) by the Medical Dosimetrist Certification Board (MDCB).
Other (3)
Professional Certification
Resume
SF-50/ Notification of Personnel Action
Transcript
Veterans' Preference: When applying for Federal Jobs, eligible Veterans should claim preference for 5pt (TP), 10pt (CP/CPS/XP), or for Sole Survivor Preference (SSP) in the questionnaire. You must provide a legible copy of your DD214(s) which shows dates and character of service (honorable, general, etc.). If you are currently serving on active duty and expect to be released or discharged within 120 days you must submit documentation related to your active duty service which reflects the dates of service, character of service (honorable, general, etc.), and dates of impending separation. Additionally, disabled veterans and others eligible for 10-point preference (such as widows or mothers of eligible Veterans) must also submit an SF-15 "Application for 10 Point Veteran Preference" with required proof as stated on the form. Documentation is required to award preference. For more information on Veterans' Preference, please visit Feds Hire Vets - Veterans - Job Seekers - Veterans' Preference.
Veterans' preference does not apply for internal or other current permanent Federal agency employees.
If you are relying on your education to meet qualification requirements:
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.
All applicants are encouraged to apply online. To apply for this position, you must complete the full questionnaire and submit the documentation specified in the Required Documents section below. The complete application package must be submitted by 11:59 PM (ET) on 08/06/2026 to receive consideration. To preview the questionnaire click https://apply.usastaffing.gov/ViewQuestionnaire/12994889.
To begin, click Apply Online to create a USAJOBS account or log in to your existing account. Follow the prompts to select your USA JOBS resume and/or other supporting documents and complete the occupational questionnaire.
Click Submit My Answers to submit your application package.
NOTE: It is your responsibility to ensure your responses and appropriate documentation is submitted prior to the closing date.
Michael E DeBakey VA Medical Center
2002 Holcombe Boulevard
Houston, TX 77030
US
Next steps
Once your online application is submitted you will receive a confirmation notification by email. After we receive application packages (including all required documents) and the vacancy announcement closes, we will review applications to ensure qualification and eligibility requirements are met. After the review is complete, a referral certificate(s) is issued and applicants will be notified of their status by email. Referred applicants will be notified as such and may be contacted directly by the hiring office for an interview. All referred applicants receive a final notification once a selection decision has been made.
You may check the status of your application at any time by logging into your USA Jobs account and clicking on Applications. Information regarding your application status can be found in the USAJobs Help Center.
NOTE: Participation in the seasonal influenza program is a condition of employment and a requirement for all Department of Veterans Affairs Health Care Personnel (HCP). It is a requirement that all HCP to receive annual seasonal influenza vaccination or obtain an exemption for medical or religious reasons. Wearing a face mask is required when an exemption to the influenza vaccination has been granted. HCP in violation of this directive may face disciplinary action up to and including removal from federal service. HCP are individuals who, during the influenza season, work in VHA locations or who come into contact with VA patients or other HCP as part of their duties. VHA locations include, but are not limited to, VA hospitals and associated clinics, community living centers (CLCs), community-based outpatient clinics (CBOCs), domiciliary units, Vet centers and VA-leased medical facilities. HCP include all VA licensed and unlicensed, clinical and administrative, remote and onsite, paid and without compensation, full- and part-time employees, intermittent employees, fee basis employees, VA contractors, researchers, volunteers and health professions trainees (HPTs) who are expected to perform any or all of their work at these facilities. HPTs may be paid or unpaid and include residents, interns, fellows and students. HCP also includes VHA personnel providing home-based care to Veterans and drivers and other personnel whose duties put them in contact with patients outside VA medical facilities.
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
To apply for this position, you must provide a complete Application Package which includes:
Certified Medical Dosimetry (CMD) by the Medical Dosimetrist Certification Board (MDCB).
Resume
SF-50/ Notification of Personnel Action
Transcript
Resume Requirement: Your resume must include the following information; Job Title, description of duties, beginning and ending date (month/year) of employment, and average hours worked per week.
For Internal Employees: Most recent SF-50 must be uploaded for all internal employees.
Special Note for Applications: To complete your application, please use the following link https://vacareers.va.gov/wp-content/uploads/sites/5/Resume.docx to download the standard Clinical Resume Document. This one-page document does not need to be modified and must be uploaded into the two-page restricted 'Resume' document upload field.
Your full resume/CV may be uploaded without page limitation into the 'Other' document upload field.
The following documents are accepted, and may be required if applicable to your eligibility and/or qualifications for this position. Please ensure you have included all documents required for your application, such as a copy of your transcript (if using education to qualify), SF-50's (current/former Federal employees), etc.
Cover Letter
DD-214/ Statement of Service
Disability Letter (VA)
License
CV/Resume
Certified Medical Dosimetry (CMD) by the Medical Dosimetrist Certification Board (MDCB).
Other (3)
Professional Certification
Resume
SF-50/ Notification of Personnel Action
Transcript
Veterans' Preference: When applying for Federal Jobs, eligible Veterans should claim preference for 5pt (TP), 10pt (CP/CPS/XP), or for Sole Survivor Preference (SSP) in the questionnaire. You must provide a legible copy of your DD214(s) which shows dates and character of service (honorable, general, etc.). If you are currently serving on active duty and expect to be released or discharged within 120 days you must submit documentation related to your active duty service which reflects the dates of service, character of service (honorable, general, etc.), and dates of impending separation. Additionally, disabled veterans and others eligible for 10-point preference (such as widows or mothers of eligible Veterans) must also submit an SF-15 "Application for 10 Point Veteran Preference" with required proof as stated on the form. Documentation is required to award preference. For more information on Veterans' Preference, please visit Feds Hire Vets - Veterans - Job Seekers - Veterans' Preference.
Veterans' preference does not apply for internal or other current permanent Federal agency employees.
If you are relying on your education to meet qualification requirements:
Failure to provide all of the required information as stated in this vacancy announcement may result in an ineligible rating or may affect the overall rating.
All applicants are encouraged to apply online. To apply for this position, you must complete the full questionnaire and submit the documentation specified in the Required Documents section below. The complete application package must be submitted by 11:59 PM (ET) on 08/06/2026 to receive consideration. To preview the questionnaire click https://apply.usastaffing.gov/ViewQuestionnaire/12994889.
To begin, click Apply Online to create a USAJOBS account or log in to your existing account. Follow the prompts to select your USA JOBS resume and/or other supporting documents and complete the occupational questionnaire.
Click Submit My Answers to submit your application package.
NOTE: It is your responsibility to ensure your responses and appropriate documentation is submitted prior to the closing date.
Michael E DeBakey VA Medical Center
2002 Holcombe Boulevard
Houston, TX 77030
US
Next steps
Once your online application is submitted you will receive a confirmation notification by email. After we receive application packages (including all required documents) and the vacancy announcement closes, we will review applications to ensure qualification and eligibility requirements are met. After the review is complete, a referral certificate(s) is issued and applicants will be notified of their status by email. Referred applicants will be notified as such and may be contacted directly by the hiring office for an interview. All referred applicants receive a final notification once a selection decision has been made.
You may check the status of your application at any time by logging into your USA Jobs account and clicking on Applications. Information regarding your application status can be found in the USAJobs Help Center.
NOTE: Participation in the seasonal influenza program is a condition of employment and a requirement for all Department of Veterans Affairs Health Care Personnel (HCP). It is a requirement that all HCP to receive annual seasonal influenza vaccination or obtain an exemption for medical or religious reasons. Wearing a face mask is required when an exemption to the influenza vaccination has been granted. HCP in violation of this directive may face disciplinary action up to and including removal from federal service. HCP are individuals who, during the influenza season, work in VHA locations or who come into contact with VA patients or other HCP as part of their duties. VHA locations include, but are not limited to, VA hospitals and associated clinics, community living centers (CLCs), community-based outpatient clinics (CBOCs), domiciliary units, Vet centers and VA-leased medical facilities. HCP include all VA licensed and unlicensed, clinical and administrative, remote and onsite, paid and without compensation, full- and part-time employees, intermittent employees, fee basis employees, VA contractors, researchers, volunteers and health professions trainees (HPTs) who are expected to perform any or all of their work at these facilities. HPTs may be paid or unpaid and include residents, interns, fellows and students. HCP also includes VHA personnel providing home-based care to Veterans and drivers and other personnel whose duties put them in contact with patients outside VA medical facilities.
Fair and transparent
The Federal hiring process is set up to be fair and transparent. Please read the following guidance.
