SENIOR RADIATION PROTECTION SPECIALIST

SENIOR RADIATION PROTECTION SPECIALIST

Salary

$85,599.36 - $115,353.84 Annually

Location

Los Angeles County, CA

Job Type

Full time

Job Number

PH5774F

Department

PUBLIC HEALTH

Opening Date

11/03/2026

Closing Date

Continuous

• Description
• Benefits
• Questions

Position/Program Information

EXAM NUMBER:

PH5774F

TYPE OF RECRUITMENT:

We welcome applications from anyone!

FILING PERIOD:

We will be accepting online applications from Thursday, November 5, 2026 at 8:30 a.m. (PT) - Continuous.

We will keep accepting applications until the position is filled. The application window may close unexpectedly once we have enough qualified candidates.

No out-of-class experience or withhold will be allowed for this posting. Required experience must be fully met at the time of filing, and clearly indicated on the application.

WHY WORK FOR US?

We offer one of the strongest public-sector benefits packages in the country, including diverse healthcare choices, and strong retirement plans. For more information about the outstanding benefits offered by Los Angeles County, please visit us here: https://hr.lacounty.gov/benefits/

ABOUT THIS POSITION:

We are pursuing qualified candidates to fill Senior Radiation Protection Specialist positions within the Department of Public Health. We are looking for someone who conducts complex, specialized and sensitive investigations, inspections and evaluations to detect and control radiation hazards, and ensures compliance with State, Federal, and County laws and regulations arising from the use of X-ray equipment and radioactive materials and acts as lead-person over Radiation Protection Specialists.

For more information, please view the classification specification: Senior Radiation Protection Specialist

Essential Job Functions

• Performs routine and non-routine inspections or investigations on X-ray tubes at hospitals, clinics, mammography facilities, dental and other medical facilities at specified intervals including the most complicated types of high energy devices such as medical therapy linear accelerators; acts as lead-person for the Radiation Protection Specialist.
• Reviews plans and specifications of proposed X-ray or radioactive materials installations, including radiation therapy machines and Positron Emission Tomography Scanners, and performs complex calculations to determine shielding design accuracy.
• Uses a variety of radiation measuring instruments, test equipment, phantoms, and computers, following established procedures, to determine compliance with Federal, State, and County laws and regulations, and radiation safety practices.
• Measures the adequacy of shielding in walls using radiation detection instruments.
• Prepares written reports of inspection findings, including letters and Notices of Violations to users; follows-up on violations to ensure timely and appropriate corrective action; prepares written reports and letters to applicants of shielding adequacies or deficiencies.
• Enforces State, Federal, and County laws regarding the manufacture, installation, and use of X-ray equipment located in medical, dental, industrial, research, and academic facilities; enforces the States certification law regarding licentiates, technologists, and technicians who use X-ray equipment.
• Provides consultation and training to physicians, dentists, X-ray personnel, and the public on proper practices, procedures, safety, and legal requirements in the use of radiation producing equipment.
• Reviews reports of personnel monitoring exposures, investigates incidents of radiation exposure and complaints, and requires appropriate control measures.
• Trains Radiation Protection Specialists in all phases of inspection techniques and procedures, program policies, and interpretation of regulations.
• Oversees the radiation exposure monitoring program of Radiation Management staff.
• Responds to emergency situations involving radiation incidents.
• Completes special projects such as the Nationwide Evaluation of X-ray Trends (NEXT) and Federal Compliance Tests.

Requirements

REQUIREMENTS TO QUALIFY:

OPTION I: Possession of a valid certificate in diagnostic or therapeutic radiologic technology or nuclear medicine technology issued by the California Department of Public Health -OR - the American Registry of Radiologic Technologists - OR - Possession of a health physics technology certificate from an accredited two-year program.

• AND-

Six (6) years of experience in a regulatory program conducting investigations and surveying the use of radiological equipment, providing advice on safe practices in radiation, and compliance with rules and regulations governing radiation use.

OPTION II: A Bachelors degree from an accredited college or university with a major in radiologic health, radiologic science, radiologic technology, health physics, physics, engineering, mathematics, physical science, or a closely related field* -AND- Three (3) years of professional experience in health physics or a closely related field.

OPTION III: One (1) year of experience performing the duties of a Radiation Protection Specialist with Los Angeles County Department of Public Health - Environmental Health.

LICENSE:

A valid California Class C Driver License or the ability to use an alternative method of transportation when needed to carry out job-related essential functions.

PHYSICAL CLASS:

3 - Moderate: This class requires that the incumbent stand or walk most of the time with bending, stooping, squatting, twisting, reaching, working on irregular surfaces, occasional lifting of objects weighing over 25 pounds, and frequent lifting of 10-25 pounds.

SPECIAL REQUIREMENT INFORMATION:

• Please ensure the License and Certificate Section of the application is completed for the required certificates. Provide the title of your required license and certifications, number, date of issue, date of expiration and the name of the issuing agency as specified in the Requirements on your application at the time of filing or e-mail the information to hrexams@ph.lacounty.gov within fifteen (15) calendar days of filing.

To receive credit for your education, include a legible copy of all relevant official documents, including your diploma, transcript, or letter/certificate from an accredited institution or email it to HRExams@ph.lacounty.gov within fifteen (15) calendar days of filing your application. Documents should show the date the degree was conferred and be in English. If not in English, then translation is required. International degrees must be evaluated for equivalency to U.S. standards and the evaluation is required to confirm eligibility for this recruitment. Documents marked as unofficial will not be accepted. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf

• Official Transcript is a transcript that bears the college seal and states "official and/or copy" issued by the schools registrar office. A printout of the transcript from the schools website is NOT considered official and may result in your application being incomplete and rejected.

• We do not accept password-protected documents. Ensure documents are unlocked before attaching to your application or sending to the exam analyst.

• Examples of closely related fields: Nuclear Engineering, Physics of Instrumentation, Geologic Science, or Chemistry.

Professional experience in health physics: Experience gained in the field of radiation protection subsequent to receiving a bachelors degree.

DESIRABLE QUALIFICATIONS:

Additional credit will be given to applicants who possess the following desirable qualification:

• Additional experience beyond the Requirements to Qualify.

Additional Information

EXAMINATION CONTENT:This assessment type will evaluate the training, education, and experience you list on a questionnaire and assign a score based on a standardized scoring system.

This part of the assessment is worth 100% of your total score and assesses: Requirements and Desirable Qualification.

Applicants must receive a passing score of 70% or higher on the assessment to be added to the list.

Passing this examination and being added to the list does not guarantee an offer of employment.

ELIGIBILITY INFORMATION & VACANCY INFORMATION:

Applicants who passed the assessment(s) are placed on a list in the order of their score group for a period of twelve (12) months. Applications will be processed as they are received and added to the eligible list accordingly. We will use this list to fill vacancies in the Department of Public Health as they occur.

AVAILABLE SHIFT:

Any, including evenings, nights, weekends and holidays.

APPLICATION AND FILING INFORMATION:

HOW TO APPLY:

We only accept applications filed online. Applications submitted by U.S. mail, fax, or in person are not accepted. Apply online by clicking on the "Apply" green button at the top right of this posting. This website can also be used to get application status updates.

Please fill out the application completely. Provide relevant job experience including employers name and address, job title, beginning and ending dates, number of hours worked per week, and description of work performed. Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements.

We may verify information included in the application at any point during the examination and hiring process, including after an appointment has been made. Falsification of information on your application and any attachments will result in refusal of application, rescission of appointment, or restriction of application to future recruitments.

COMPUTER AND INTERNET ACCESS AT PUBLIC LIBRARIES:

For candidates who may not have regular access to a computer or the internet, applications can be completed on computers at public libraries throughout Los Angeles County. Check the website for updated information at https://lacountylibrary.org.

SOCIAL SECURITY NUMBER:

Federal law requires that all employed persons have a Social Security Number, so include yours when applying.

DO NOT SHARE USER ID AND PASSWORD:

All applicants must file their application online using their OWN user ID and password. Using a family member or friends user ID and password may erase a candidates original application record.

ANTI-RACISM, DIVERSITY, AND INCLUSION (ARDI):

The County of Los Angeles recognizes and affirms that all people are created equal and are entitled to all rights afforded by the Constitution of the United States. We are committed to promoting Anti-racism, Diversity, and Inclusion efforts to address the in equalities and disparities amongst race. We support the ARDI Strategic Plan and its goals by improving equality, diversity, and inclusion in recruitment, selection, and employment practices.

Department Contact Name: DPH Examinations & Recruitment Unit

Department Contact Phone: (213) 684-8726

Department Contact E-mail: HRExams@ph.lacounty.gov

Exam Number: PH5774F

California Relay Services Phone: (800) 735-2922

ADA Coordinator Phone: (844) 914-1006

Teletype Phone: (800) 899-4099

Alternate Teletype Phone: (800) 897-0077

COUNTY OF LOS ANGELES

Employment Information

Any language contained in the job posting supersedes any language contained below.

This document is intended to provide general information about the recruitment process of the County of Los Angeles. Applicants with questions about a specific job posting should contact the exam analyst listed on the posting.

Equal Employment Opportunity/Non-Discrimination Statement:

The County of Los Angeles is an Equal Employment Opportunity Employer and is committed to non-discrimination in the County workforce, regardless of age (40 and over); ancestry; color; ethnicity; religious creed; protected family or medical leave status; disability; marital status; medical condition; genetic information; military and veteran status; national origin; race ; sex; gender; sexual orientation; or any other characteristic protected by State or federal law. For more information, please visit: https://employee.hr.lacounty.gov/eeo-programs/.

Testing Accommodations for Applicants:

The County of Los Angeles complies with all federal and state disability laws and makes reasonable accommodations for qualified applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application process, please contact the testing accommodation coordinator listed on the job posting. Hearing impaired applicants with telephone teletype equipment may leave messages by calling the teletype phone number on the job posting. For more information on accommodations, please visit: https://hr.lacounty.gov/accessibility/.

Fair Chance:

The County of Los Angeles is a Fair Chance employer. Except as otherwise permissible under applicable laws, you will not be asked to provide information about conviction history unless you receive a conditional offer of employment. The County will make an individualized assessment of whether your conviction history has a direct and adverse relationship with the specific duties of the job, and will also consider potential mitigating factors, which may include, but is not limited to, evidence and extent of rehabilitation, recency of the offense(s), and age at the time of the offense(s). If asked to provide information about conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed. Qualified applicants with arrest or conviction records will be considered for employment in accordance with County Fair Chance Policies and the Fair Chance Act (Gov. Code Section 12952).

Employment Eligibility:

Final appointment is contingent upon verification of U.S. citizenship or the right to work in the United States.

Career PathFinder:

Resources to help current and prospective employees plan a career with Los Angeles County are available. To explore career paths to and from nearly all job titles, please visit our interactive Career PathFinder application at http://career-pathfinder.hr.lacounty.gov.

Veteran's Credit:

Pursuant to the County Charter and County policy, in all open competitive examinations (i.e., examinations open to everyone), the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran, as well as the spouse of a deceased or disabled veteran, who served in the Armed Forces of the United States under specific conditions.

For more information on veteran's credit, please visit: https://file.lacounty.gov/SDSInter/dhr/205102_PPG_115.pdf

Revised September 2025

For detailed information, please click here

01

Many important notifications will be sent electronically to the email address provided on the application. It is important that you provide a valid email address. Please add hrexams@ph.lacounty.gov and info@governmentjobs.com to your email address book and list of approved senders to prevent email notifications from being filtered as spam/junk/clutter mail. Applicants have the ability to opt out of emails from Los Angeles County. If you unsubscribe, you will not receive any email notification for any examination for which you apply with Los Angeles County. Regardless of whether you choose to unsubscribe, you can always check for notifications by logging into governmentjobs.com and viewing your profile inbox, which saves a copy of all emailed notices. It is the applicants responsibility to take the above steps to view correspondence. Los Angeles County will not consider claims of not viewing or receiving notifications to be a valid reason for a late test administration or rescheduling of an exam component (if applicable).

• I have read and understand the above information and instructions.

02

This Supplemental Questionnaire (SQ) is to be completed by all applicants for this examination. The information you provide on your application and on this Supplemental Questionnaire will be evaluated and used to determine your eligibility to participate in the next phase of the examination process.

Please fill out the application completely. Provide relevant job experience including employers name and address, job title, beginning and ending dates, number of hours worked per week, and description of work performed. Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements.

We may verify information included in the application at any point during the examination and hiring process, including after an appointment has been made. Falsification of information on your application and any attachments will result in refusal of application, rescission of appointment, or restriction of application to future recruitments.

You certify that the information provided is accurate, and you are aware that the information on the application, attachments, and Supplemental Questionnaire is subject to verification at any time during the examination and hiring process. You also understand that any false statements may result in disqualification or dismissal.

• I have read and understand the above information and instructions.

03

Which of the following best describes your qualifications for this examination:

OPTION I: Possession of a valid certificate in diagnostic or therapeutic radiologic technology or nuclear medicine technology issued by the California Department of Public Health -OR - the American Registry of Radiologic Technologists - OR - Possession of a health physics technology certificate from an accredited two-year program. -AND- Six (6) years of experience in a regulatory program conducting investigations and surveying the use of radiological equipment, providing advice on safe practices in radiation, and compliance with rules and regulations governing radiation use.

OPTION II: A Bachelors degree from an accredited college or university with a major in radiologic health, radiologic science, radiologic technology, health physics, physics, engineering, mathematics, physical science, or a closely related field* -AND- Three (3) years of professional experience in health physics or a closely related field.

OPTION III: One (1) year of experience performing the duties of a Radiation Protection Specialist with Los Angeles County Department of Public Health - Environmental Health.

• OPTION I
• OPTION II
• OPTION III
• Not Applicable

04

REQUIREMENTS TO QUALIFY - OPTION I:

Do you have possession of a valid certificate in diagnostic or therapeutic radiologic technology or nuclear medicine technology issued by the California Department of Public Health -OR- the American Registry of Radiologic Technologists -OR- possession of a health physics technology certificate from an accredited two-year program?

If YES, you MUST attach a legible copy of the current certification to your application at the time of filing or submit to HRExams@ph.lacounty.gov within fifteen (15) calendar days of application filing. If not received within the time line specified, your application will be considered incomplete and not accepted.

• Yes, I have attached a copy of my current certification in diagnostic or therapeutic radiologic technology or nuclear medicine technology issued by the California Department of Public Health -OR- the American Registry of Radiologic Technologists -OR- possession of a health physics technology certificate from an accredited two-year program
• Yes, I will email a copy of my current certification in diagnostic or therapeutic radiologic technology or nuclear medicine technology issued by the California Department of Public Health -OR- the American Registry of Radiologic Technologists -OR- possession of a health physics technology certificate from an accredited two-year program within fifteen (15) calendar days of my application submission to hrexams@ph.lacounty.gov.
• No, I do not have a current certification in diagnostic or therapeutic radiologic technology or nuclear medicine technology issued by the California Department of Public Health -OR- the American Registry of Radiologic Technologists -OR- possession of a health physics technology certificate from an accredited two-year program.

05

REQUIREMENTS TO QUALIFY - OPTION I:

Please describe in detail your experience in a regulatory program conducting investigations and surveying the use of radiological equipment, providing advice on safe practices in radiation, and compliance with rules and regulations governing radiation use.

If you do not have experience please indicate "Not Applicable".

NOTE: For each experience please indicate the following information:

a) Employers Name and Address

b) Position/Title held

c) Employment Period: From (MM/YYYY) To (MM/YYYY)

d) Hours Worked per Week

e) Describe experience/responsibilities in detail.

You will not receive credit for your response if you have missing requested information.

Comments such as "see resume or application" will not be considered a response.

06

REQUIREMENTS TO QUALIFY - OPTION II:

Do you have a Bachelors degree from an accredited college or university with a major in radiologic health, radiologic science, radiologic technology, health physics, physics, engineering, mathematics, physical science, or a closely related field*?

To receive credit for your education, include a legible copy of all relevant official documents, including your diploma, transcript, or letter/certificate from an accredited institution or email it to HRExams@ph.lacounty.gov within fifteen (15) calendar days of filing your application. Documents should show the date the degree was conferred and be in English. If not in English, then translation is required. International degrees must be evaluated for equivalency to U.S. standards and the evaluation is required to confirm eligibility for this recruitment. Documents marked as unofficial will not be accepted. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf (Download PDF reader)

• Official Transcript is a transcript that bears the college seal and states "official and/or copy" issued by the schools registrar office. A printout of the transcript from the schools website is NOT considered official and may result in your application being incomplete and rejected.
• We do not accept password-protected documents. Ensure documents are unlocked before attaching to your application or sending to the exam analyst.
• Examples of closely related fields: Nuclear Engineering, Physics of Instrumentation, Geologic Science, or Chemistry.
• No, I do not possess a Bachelors degree from an accredited college or university with a major in radiologic health, radiologic science, radiologic technology, health physics, physics, engineering, mathematics, physical science, or a closely related field.
• Yes, I have attached a copy of my official Bachelors degree, official transcript, or official letter to my application.
• Yes, I will email a copy of my official Bachelors degree, official transcripts, or official letter within 15 calendar days of my application submission to HRexams@ph.lacounty.gov.

07

REQUIREMENTS TO QUALIFY - OPTION II:

Please describe in detail your professional experience in health physics or a closely related field.

Professional experience in health physics: Experience gained in the field of radiation protection subsequent to receiving a bachelors degree.

If you do not have experience please indicate "Not Applicable".

NOTE: For each experience please indicate the following information:

a) Employers Name and Address

b) Position/Title held

c) Employment Period: From (MM/YYYY) To (MM/YYYY)

d) Hours Worked per Week

e) Describe experience/responsibilities in detail.

You will not receive credit for your response if you have missing requested information.

Comments such as "see resume or application" will not be considered a response.

08

REQUIREMENTS TO QUALIFY - OPTION III:

Please describe in detail your experience performing the duties of a Radiation Protection Specialist with Los Angeles County Department of Public Health - Environmental Health.

If you do not have experience please indicate "Not Applicable".

NOTE: For each experience please indicate the following information:

a) Employers Name and Address

b) Position/Title held

c) Employment Period: From (MM/YYYY) To (MM/YYYY)

d) Hours Worked per Week

e) Describe experience/responsibilities in detail.

You will not receive credit for your response if you have missing requested information.

Comments such as "see resume or application" will not be considered a response.

Required Question

Employer County of Los Angeles

Address

Los Angeles, California, 90010

Website http://hr.lacounty.gov