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UnitedHealth Group
Houston, Texas

Radiation Therapist I/II - Cancer Services - Kelsey Seybold Clinic: Main Campus

Radiation TherapistFull-Time

Listed compensation

$35-$63/hr

The week · per this posting · weekdays assumed

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

Posted 1h ago · Verified live

Job Description

Explore opportunities with Kelsey-Seybold Clinic, part of the Optum family of businesses. Work with one of the nation’s leading health care organizations and build your career at one of our 40+ locations throughout Houston. Be part of a team that is nationally recognized for delivering coordinated and accountable care.

As a multi-specialty clinic, we offer care from more than 900 medical providers in 65 medical specialties. Take on a rewarding opportunity to help drive higher quality, higher patient satisfaction and lower total costs. Join us and discover the meaning behind Caring. Connecting. Growing together.

We are seeking qualified candidates for the role of Radiation Therapist at varying levels (I, II). The selected candidate will be placed at the appropriate level based on qualifications and experience. All levels contribute to patient care under the supervision of licensed medical professionals, with increasing responsibilities at higher levels.

Primary Responsibilities

Radiation Therapist I:

Provide radiation oncology treatments and high-quality patient care. Act as an essential member of the Cancer Service Team. Demonstrate the ability to operate all treatment and simulation equipment

Radiation Therapist II

Includes All Duties of Radiation Therapist I

You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications

  • High School diploma or GED
  • Graduated from accredited Radiation Therapy Program
  • Registered by the American Registry of Radiological Technologist (ARRT)
  • Licensed by the Department of Health as Medical Radiological Technologist (MRT)
  • Basic Life Support certification through American Heart Association
  • Clinical judgment and knowledge of radiation therapy, practices and safety ASCP eligible
  • Excellent verbal and written communication and interpersonal skills
  • Basic computer skills in Microsoft Word, Excel, and Outlook email
  • Maintain and complete continuing education in applicable areas

Preferred Qualifications

For Radiation Therapist II

3+ years of experience performing as Radiation Therapist

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements).

No matter where or when you begin a career with us, you’ll find a far-reaching choice of benefits and incentives. The hourly pay for this role will range from $35.00 to $63.00 per hour based on full-time employment. We comply with all minimum wage laws as applicable.

At UnitedHealth Group, our mission is to help people live healthier lives and help make the health system work better for everyone. Together, we are shaping the future of healthcare by harnessing technology and innovation to make care simpler to navigate, more affordable and more connected for the people we serve.

We are committed to creating an inclusive workplace where everyone feels welcomed, valued, heard and respected, empowering people to bring their authentic selves to work and strengthening our collective impact through diverse talents, backgrounds, experiences and perspectives.

UnitedHealth Group and its affiliated brands are an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.

UnitedHealth Group and its affiliated brands are a drug-free workplace. Candidates are required to pass a drug test before beginning employment.

Key Responsibilities

The Radiation Therapist provides high-quality radiation oncology treatments and patient care as an essential member of the Cancer Service Team. They are responsible for operating all treatment and simulation equipment while maintaining safety standards under the supervision of licensed medical professionals.

Requirements

Candidates must have a high school diploma or GED, graduation from an accredited Radiation Therapy Program, and current ARRT registration. Additionally, they must hold a Medical Radiological Technologist (MRT) license and Basic Life Support certification.

Qualifications

Education
Professional certificate or licensure
Experience
2+ years of experience

Certifications

BLS

Key Skills

Oncology treatmentSimulation equipment operationRadiation safetyMicrosoft ExcelMicrosoft OutlookCommunication skills

Radiation Therapy Career Context

The cost-of-living index for Texas is 97.1 (US average = 100; BEA Regional Price Parities (2024)), so the posted ~$102k midpoint carries the purchasing power of roughly $105k in an average-cost state. 57.7% of Texas clinicians report burnout symptoms in WeekdayDoc's Burnout Index (2026-01 data).

UnitedHealth Group holds silver-tier status on WeekdayDoc's Top Employers work-life index, composite score 75/100, 1,402 active listings.

Of the 40 active Radiation Therapy listings this role was benchmarked against, 23% have no call, 70% require no weekends.

Location & Logistics

Texas has no state income tax, which can significantly increase take-home pay compared to high-tax states. At the posted ~$102k midpoint, that is roughly $4k–$7k a year versus a typical 4–7% state rate.

Top Radiation Therapist Jobs

13 matches · ranked by pay

Salary Distribution13 jobs

6
<$140k
4
$140k-160k
1
$164k
2
$180k-200k

Annual compensation range

Work-Life Balance Distribution13 jobs

0
1-2
0
3-4
1
5-6
12
7-8
0
9-10

Higher = better work-life balance

#1

Radiation Therapist II-2

Sutter Health · Sumter, South Carolina

$65.1-$91.14/hr
#2

Radiation Therapist - Radiology Oncology

Providence · Santa Rosa, California

$58.07-$90.14/hr
#3

Lead Proton Radiation Therapist

$48.51-$79.07/hr
#4

Radiation Therapist

$50.24-$75.36/hr
+ 11 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 587 comparable listings. Shaded area = the share scoring below this one.

Living in Houston

Typical 3-bedroom home value
$245k
Typical market rent
$1,542/mo
Residents’ average commute
27 min
State income tax
None
Sources & methodology

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

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

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About UnitedHealth Group

Hospitals and Health Care
Eden Prairie , Minnesota
10,000+ employees

Benefits & Perks

Comprehensive benefits package
Incentive and recognition programs
Equity stock purchase
401k contribution