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Us Oncology
Thornton, Colorado

Radiation Therapist

Radiation TherapistFull-Time

Listed compensation

$40-$60/hr

The week · per this posting · weekdays assumed

Ask the employer about the work setting, call expectations, weekend coverage and time off.

Posted 1mo ago

Job Description

Rocky Mountain Cancer Centers, Colorado's largest and most comprehensive provider of cancer care has an exciting opportunity for a FT Radiation Therapist in Thornton.

This position includes a $20,000 sign-on bonus, paid in four installments of $5,000: the first upon hire, and the remaining every six months thereafter.

Join a team where your expertise directly impacts patient outcomes. At Rocky Mountain Cancer Centers, our Radiation Therapists are more than technical experts. They are compassionate caregivers who help guide patients through one of the most challenging journeys of their lives.

If this sounds like you, we’d love to have you join our team.

Salary Range: $40.00-$60.00 Pay is based on several factors including but not limited to education, work experience, certification, etc. As of the date of this posting, in addition to your salary, RMCC offers the following benefits for this position, subject to eligibility requirements: Health, dental, and vision plans; wellness program; health savings account; flexible spending accounts; 401(k) retirement plan; life insurance, short-term disability insurance; long-term disability insurance, Employee Assistant Program, PTO, holiday pay, and tuition reimbursement.

Responsibilities

Accurately delivers and records radiation therapy treatments under the direction of a radiation oncologist and chief radiation therapist.

  • Accurately enters and maintains patient treatment parameters into electronic medical record.
  • Assists in maintaining patient appointment schedule and submitting correct billing information.
  • Accurately cuts blocks, when applicable.
  • Accurately makes custom molds.
  • Accurately completes simple mu calculations.
  • Accurately interprets a computerized treatment plan.
  • Maintains clean, safe, and organized work environment.

Qualifications

Graduate of an accredited radiation therapy technology program. Position is entry level and requires 0-3 years experience actively practicing as an RTT. ARRT certification required. Must hold valid state license for radiation therapy.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is required to be present at the employee site during regularly scheduled business hours and regularly required to sit or stand and talk or hear.

Requires full range of body motion including handling and lifting patients, manual and finger dexterity, and eye-hand coordination. Requires standing and walking for extensive periods of time. Occasionally lifts and carries items weighing up to 40 lbs. Requires corrected vision and hearing to normal range.

Work Environment

The work environment may include exposure to communicable diseases, toxic substances, ionizing radiation, medical preparations and other conditions common to an oncology/hematology clinic environment. Work will involve in-person interaction with co-workers and management and/or clients. Work may require minimal travel by automobile to office sites.

All qualified candidates are required to pass a background check and non-federal drug test (which excludes marijuana) post offer of employment and prior to hire.

This job posting will remain open until we have identified an adequate applicant pool. Applicants are strongly encouraged to apply early.

Qualifications

Education
Professional certificate or licensure

Key Skills

Patient careTreatment planningRadiation oncologySafety compliancePatient scheduling

Radiation Therapy Career Context

In Colorado, the Radiation Therapy weighted monthly median benchmark on WeekdayDoc is ~$109k (10 salary observations; 29 listings), vs ~$112k nationally (238 salary observations; 1,138 listings). Monthly aggregates cover 2026-03-01 through 2026-10-01; these are not the modal's selected comparable-job medians.

Of the 40 active Radiation Therapy listings this role was benchmarked against, 30% have no call, 60% require no weekends.

Radiation Therapy by the numbers
MeasureThis jobMarket
Colorado vs national$109k median in Colorado$112k nationally (−3%)10 state / 238 national salary observations
Cost-of-living adjusted pay~$101k in purchasing powerColorado index 103.1 (US = 100)BEA Regional Price Parities (2024)
Radiation Therapy listings in Colorado16 active578 nationallylive on WeekdayDoc, Oct 2026
Work settingon-sitepeers: 30% no call · 60% no weekends40 benchmarked listings
Sign-on & loan repayment$20k sign-onUS healthcare professional listings: 24% state a sign-on bonus (median $15k) · 4% offer loan repayment689 active listings, Oct 2026
Radiation Therapy pay trend+1.2% vs prior quarter—through Sep 2026
Sources: WeekdayDoc live listing index, BEA Regional Price Parities (2024); as of Oct 2026. Same values as the Weekday Verdict and Market Insights on this page.

Top Radiation Therapist Jobs

17 matches · ranked by pay

Salary Distribution

17 jobs · 14 employers
3
<$110k
5
$110k-120k
7
$120k-130k
0
$130k-140k
2
$140k+

Annual compensation range

Work-Life Balance Distribution

17 jobs · 14 employers
0
1-2
0
3-4
1
5-6
16
7-8
0
9-10

Higher = better work-life balance

#1

Radiation Therapist - Radiology Oncology

Providence · Santa Rosa, California

$58.07-$90.14/hr
#2

Radiation Therapist III - Newark Campus

ChristianaCare · Newark, Delaware

$42.11-$67.37/hr
#3

Radiation Therapist

$41.1-$61.65/hr
#4

Radiation Therapist, Staff - Radiation Oncology (Galveston)

$85k-$126k
+ 15 more · ranked by pay

Work-life snapshot

median 5.1this job 3.0
Better work-life than 20% of Radiation Therapy listings

Listing-based score, 0–10, across 578 comparable listings. Shaded area = the share scoring below this one.

Us Oncology logo

About Us Oncology

Hospitals and Health Care
The Woodlands, TX
1,001-5,000 employees

Benefits & Perks

Health, dental, and vision plans
Wellness program
Health savings account
Flexible spending accounts
401(k) retirement plan
Life insurance
Short-term disability insurance
Long-term disability insurance

Living in Thornton

Typical 3-bedroom home value
$467k
Typical market rent
$1,894/mo
Residents’ average commute
30 min
State income tax
Up to 4.4%
Sources & methodology

Sources: Zillow home values (Sep 2026), Zillow market rents (Sep 2026), U.S. Census ACS 2024 five-year.

City-level figures. Not a cost-of-living guarantee.