Radiation Therapists Salary

The median radiation therapists salary in the United States is $105,310 per year ($50.63/hour). Salaries range from $80,560 at the entry level to $156,710+ for the top 10% of earners. There are 17,070 radiation therapists jobs nationwide. Employment is projected to grow 1.9% through 2034.

Last updated: June 2026 Β· Source: U.S. Bureau of Labor Statistics

Also known asRadiation Therapist
Median Salary
$105,310
per year
Hourly Rate
$50.63
per hour
Employment
17,070
jobs in the U.S.

Salary Distribution

10th percentile
$80,560
25th percentile
$92,060
Median
$105,310
75th percentile
$126,340
90th percentile
$156,710

Job Growth (2024-2034)

+1.9%
Slower than average

Annual Openings

900
jobs/year (growth + replacements)

Education Required

Associate's degree

Radiation Therapists Career Guide

Interview questions, resume templates, and a career ladder written specifically for radiation therapistss.

Radiation Therapists administer radiation therapy treatments to cancer patients under the direction of radiation oncologists. Career splits: hospital cancer centers (largest employer β€” academic + community hospitals), outpatient radiation oncology practices, proton therapy centers (specialized + growing), advanced procedure specialists (stereotactic radiosurgery, brachytherapy). Path: bachelor's degree + ARRT certification in Radiation Therapy (RT). Alternative: 1-year post-associate certification for RT (ARRT) after being a radiographer. Career progression: staff therapist β†’ senior therapist β†’ chief therapist / dosimetrist path. Median compensation: entry $75-95k; mid-career $95-130k; senior + specialty $115-155k; chief therapist $140-180k+; dosimetrist path $130-200k+. High-cost cities + specialized centers pay significantly more.

Core Skills Hiring Managers Screen For

Linear accelerator (LINAC) operation
Daily operation of external beam radiation equipment. Varian, Elekta, Accuray systems. Modality-specific training.
Treatment planning + verification
Simulation, imaging integration (CT, MRI, PET), immobilization devices, portal imaging + verification.
Radiation safety + protection
ALARA principles, dosimetry, badge monitoring, shielding, patient + occupational safety.
Patient positioning + immobilization
Reproducible daily positioning. Custom devices (masks, molds, VacLoks). Image-guided radiation therapy (IGRT).
Advanced modalities (IMRT, VMAT, SRS, SBRT, IORT)
Intensity-modulated + volumetric arc + stereotactic techniques. Increasing specialization.
Brachytherapy
HDR + LDR brachytherapy. Prostate + gynecologic + breast.
Patient care + communication
Cancer patients + families in stressful setting. Empathy + education + continuity over 20-40 daily visits.
Multidisciplinary team communication
Radiation oncologists, medical physicists, dosimetrists, nurses, medical + surgical oncology.

How to Become a Radiation Therapists

  1. 1
    High school diploma + prerequisites (biology, math, chemistry, physics)
    Strong science foundation required.
  2. 2
    Bachelor's in Radiation Therapy (4 years) OR Associate's + 1-year post-associate certificate
    Bachelor's-level programs increasingly required. ~120 programs accredited by JRCERT.
  3. 3
    Clinical rotations (embedded in program)
    800+ hours clinical training during program. Rotations at multiple radiation oncology centers.
  4. 4
    ARRT Certification in Radiation Therapy (RT)
    American Registry of Radiologic Technologists certification. Required for practice.
  5. 5
    State licensure (in states requiring)
    Most states require state license. Some allow ARRT-only. $50-300 state application + fees.
  6. 6
    First job (hospital, cancer center, or private practice)
    Cancer centers largest employer. Hospital + Community Cancer Program + Academic Medical Centers hiring.
  7. 7
    Advanced modality training + specialty certifications
    Vendor + specialty training (Varian, Elekta, TrueBeam SRS + SBRT, MR-Linac). Higher pay + roles.
  8. 8
    Optional: Medical Dosimetry pathway
    Additional 12-24 month training + Medical Dosimetrist Certification Board (MDCB) certification. Higher pay ceiling.

Career Progression

Staff Radiation Therapist (New Grad)
0-2 yrs$70-90k Β· Hourly $34-43
  • β€’Daily treatment delivery
  • β€’Simulation + verification
  • β€’Learning specialty modalities
Next: Experienced Therapist.
Experienced Therapist
2-5 yrs$85-115k Β· Hourly $40-55
  • β€’Advanced modalities (IMRT, VMAT)
  • β€’Preceptor role for new staff
  • β€’Simulation + verification lead
Next: Senior Therapist / Specialty.
Senior Therapist / Specialty (SRS, Brachytherapy, Proton)
5-10 yrs$105-140k Β· Specialty $115-165k
  • β€’Complex treatments (SRS, SBRT, brachytherapy)
  • β€’Team lead + training
  • β€’Physicist + oncologist coordination
Next: Chief Therapist / Dosimetrist.
Chief Therapist / Lead / Dosimetrist
8-15+ yrs$130-185k Β· Dosimetrist $145-215k
  • β€’Department management (chief)
  • β€’Treatment planning (dosimetrist)
  • β€’QA + quality improvement
Next: Director / Regional Manager.
Director / Regional Manager (Radiation Oncology)
15+ yrs$155-240k+
  • β€’Multi-center operations
  • β€’Strategic + operational leadership
  • β€’Budget + staffing

Interview Questions & Answers

5 free questions below. Career Kit unlocks 11 total plus resume bullets for every level.

Q1. Walk me through your radiation therapy experience.situational
Concrete: Programs completed, clinical rotations, machines operated (Varian, Elekta), modalities (IMRT, VMAT, SRS). Screens for real training.
Q2. How do you handle a patient in distress during treatment?situational
Concrete: Stop treatment if safety concern. Reassure + support. Interrupt for medical event. Communicate with oncologist. Document. Screens for patient care.
Q3. Tell me about an error you observed or made.behavioral
STAR. Real event. Reporting + prevention. Never hide. Screens for safety culture.
Q4. Why our center?culture
Research: technology (LINAC types, proton, MR-Linac), case mix, culture, growth. Concrete citation.
Q5. How do you handle radiation safety?technical
Concrete: ALARA + shielding + badge monitoring + PPE + procedure adherence. Screens for real safety awareness.

Resume Template β€” Experienced Therapist (3-5 yrs)

Copy these bullets into your resume as a starting point. Career Kit includes bullets for every level of the ladder.

Experienced Therapist (3-5 yrs)
  • β–ΈRadiation Therapist, [Cancer Center], operating Varian TrueBeam LINAC + serving 45-60 patients daily.
  • β–ΈARRT (RT) certified + specialty training in IMRT + VMAT + SBRT + SRS.
  • β–ΈZero treatment errors + zero patient safety events in past 24 months.
  • β–ΈPreceptor for 3 new-grad therapists in past year. All achieved competency on schedule.

What Gets You Rejected

  • βœ—Missing ARRT certification.
  • βœ—Poor patient communication or empathy.
  • βœ—Weak understanding of radiation safety + ALARA.
  • βœ—Bad-mouthing prior center or oncologists.
  • βœ—Missing continuing education.
  • βœ—Weak team communication.
  • βœ—History of treatment errors or near-misses without disclosure.

Salary Negotiation Levers

  • βœ“Hourly rate + shift differential.
  • βœ“Specialty certifications = pay premium (SRS, SBRT, Proton, Brachytherapy).
  • βœ“Sign-on bonus $5-25k in high-demand areas.
  • βœ“Full benefits + retirement match.
  • βœ“Tuition reimbursement for Bachelor's or Dosimetrist certification.
  • βœ“Continuing education budget.
  • βœ“PTO (4-5 weeks).
  • βœ“Union representation (some hospitals).
  • βœ“Overtime + weekend differential.
  • βœ“Career path to chief + dosimetrist.

Radiation Therapists Resume Review β€” $29

Personalized resume review from someone who has hired radiation therapistss. Purchase, email your resume to support@weblabra.com, and receive detailed written feedback within 7 days.

  • βœ“ Occupation-specific critique (not generic)
  • βœ“ Rewrite suggestions for weak bullets
  • βœ“ Missing skills / keywords flagged
  • βœ“ Formatting + ATS-readability feedback
  • βœ“ 7-day turnaround, 100% refund if we miss it

Radiation Therapists Career Kit β€” $19

  • βœ“ All 11 interview questions with expert answers
  • βœ“ 10 real questions aggregated from Glassdoor, Blind, Reddit, LinkedIn
  • βœ“ Interview format intel for 6 top employers
  • βœ“ 3 copy-paste salary negotiation emails
  • βœ“ Resume bullets for every level of the career ladder
  • βœ“ 30–60–90 day plan for your first role
  • βœ“ Cover letter templates specific to this occupation
  • βœ“ Detailed salary negotiation script
  • βœ“ Ranked list of certifications with cost + ROI
  • βœ“ Downloadable PDF for offline access
  • βœ“ Instant access, no expiration, no subscription
βœ“ 7-day money-back guarantee β€” no questions asked

One-time purchase. 7-day refund guarantee.

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Radiation Therapists Salary by State

Best Cities (cost-adjusted) β†’

Salary Map β€” Click a state for details

$72K
$166Kβ–  No data
StateMedianvs. National
California$166,450+58.1%
Oregon$131,600+25.0%
New York$129,620+23.1%
New Jersey$129,460+22.9%
Washington$125,880+19.5%
Hawaii$125,520+19.2%
Illinois$124,600+18.3%
Connecticut$116,170+10.3%
Kansas$108,830+3.3%
Arizona$108,760+3.3%
1–10 of 46

Radiation Therapists Salary by Metro Area

Data Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS). Data reflects the most recent annual survey.
How does this compare to pro athletes?
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View Radiation Therapists salary trend (2011–2024) β†’