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Proton Jobs in California (NOW HIRING)

Vast

Senior Electronics & Avionics Engineer

Long Beach, CA · On-site

$113K - $139K/yr

Coordinate with radiation test partners to qualify all components - proton and heavy ion testing * Define environmental test requirements for box-level qualification * Oversee harness design * Design ...

Bosch Group

Electrochemistry Modeling Intern

Sunnyvale, CA · On-site

$41 - $55/hr

In this particular position, the intern will contribute to the modeling of degradation mechanisms in proton-exchange-membrane electrolyzers. The goal is the accurate prediction of the aging kinetics ...

Bosch Group

Electrochemistry Modeling Intern

Sunnyvale, CA · On-site

$41 - $55/hr

In this particular position, the intern will contribute to the modeling of degradation mechanisms in proton-exchange-membrane electrolyzers. The goal is the accurate prediction of the aging kinetics ...

TestEquity LLC

Customer Service Rep - I

Moorpark, CA · On-site

$23 - $25/hr

Upselling and Cross-selling of products to improve profitability through usage of Proton AI system. * Price products to maximize overall profitability for the Company. Follow corporate pricing ...

New

TESTEQUITY LLC

Customer Service Rep - I

Moorpark, CA · On-site

$23 - $25/hr

Upselling and Cross-selling of products to improve profitability through usage of Proton AI system. * Price products to maximize overall profitability for the Company. Follow corporate pricing ...

New

K2 Space

Radiation Effects Engineer

Los Angeles, CA

$100K - $150K/yr

... proton, heavy ion, gamma, neutron, or other radiation sources (internship plus professional experience included) * Strong electrical engineering fundamentals, with the ability to determine ...

Stanford Energy

Radiation Oncologist

Stanford, CA · On-site

$511K - $548K/yr

The successful candidate will have access to dedicated physics support from Stanford Radiation Oncology Medical Physics faculty, cutting-edge technology including proton therapy and MR-guided systems ...

Stantec

Principal Architect - Healthcare

San Diego, CA · On-site

Acute Care, Outpatient Care, Women's Health, Behavioral Health/Mental Health, Cancer/Proton Therapy, Long Term Care and Seniors Living project(s) * Acumen related to project delivery innovations in ...

Stantec

Principal Architect - Healthcare

Los Angeles, CA · On-site

$141K - $212K/yr

Acute Care, Outpatient Care, Women's Health, Behavioral Health/Mental Health, Cancer/Proton Therapy, Long Term Care and Seniors Living project(s) * Acumen related to project delivery innovations in ...

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Showing results 41-60

All JobsProton JobsProton Jobs in California

Proton information

See California salary details

$5

$27

$36

How much do proton jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for proton in California is $27.21, according to ZipRecruiter salary data. Most workers in this role earn between $22.79 and $31.30 per hour, depending on experience, location, and employer.

What is a proton?

Proton jobs refer to positions at Proton, a company known for providing privacy-focused online services such as Proton Mail, Proton VPN, and Proton Drive. Employees at Proton work in various roles including software development, cybersecurity, customer support, marketing, and product management. The company places a strong emphasis on privacy, security, and transparency, making it a popular employer among those passionate about digital rights. Working at Proton often involves collaborating with international teams to build secure and user-friendly tools. Benefits typically include remote work opportunities, flexible hours, and a mission-driven environment.

What are the key skills and qualifications needed to thrive as a Proton Therapy Radiation Therapist, and why are they important?

To thrive as a Proton Therapy Radiation Therapist, you need a background in radiation therapy, typically with a bachelor's degree in radiation therapy and ARRT certification. Familiarity with proton therapy treatment planning systems, linear accelerators, and patient management software is essential. Exceptional attention to detail, compassion, and strong communication skills help ensure patient comfort and treatment accuracy. These skills and qualities are vital for delivering precise cancer treatments while supporting patients through complex therapy regimens.

What are some common challenges faced by Proton Engineers when ensuring secure and private communication services?

Proton Engineers often encounter challenges related to maintaining high levels of security and privacy while scaling services for millions of users. Balancing robust encryption methods with system performance and user experience requires constant optimization and vigilance. Collaborating with cross-functional teams, including security researchers and backend developers, is essential to stay ahead of emerging threats and implement best practices. Additionally, engineers must stay updated with the latest security protocols and compliance requirements to ensure Proton’s services remain trustworthy and reliable.

What is the difference between Proton vs Radiologic Technologist?

AspectProtonRadiologic Technologist
CredentialsProton therapy certification, physics backgroundRadiologic technology certification, ARRT license
Work EnvironmentHospitals, cancer treatment centersHospitals, clinics, imaging centers
Industry UsageSpecialized cancer treatmentMedical imaging and diagnostics
Common Search/ComparisonProton vs Radiologic TechnologistRadiologic Technologist roles and responsibilities

Proton therapists focus on delivering proton beam therapy for cancer treatment, requiring specialized physics knowledge and certification. Radiologic Technologists perform diagnostic imaging procedures like X-rays and MRIs, with different certifications and work environments. While both roles are in healthcare and involve imaging, Proton is a specialized therapy role, whereas Radiologic Technologist is more general in medical imaging.

What are popular job titles related to Proton jobs in California?

For Proton jobs in California, the most frequently searched job titles are:

What job categories do people searching Proton jobs in California look for?

The top searched job categories for Proton jobs in California are:

What cities in California are hiring for Proton jobs?

Cities in California with the most Proton job openings:

Proton jobs near you
Infographic showing various Proton job openings in California as of August 2026, with employment types broken down into 1% Internship, 2% As Needed, 89% Full Time, 7% Part Time, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $56,590 per year, or $27.2 per hour.

Sr. Software Development Engineer, Luna Core Tech Streaming

Amazon

Irvine, CA • On-site

$131K - $173K/yr

Full-time

Re-posted 27 days ago

Amazon rating

7.4

Company rating: 7.4 out of 10

Based on 7,144 frontline employees who took The Breakroom Quiz

5th of 39 rated national retailers

Job description

The Amazon Luna team is leveraging the power of the cloud to enable customers to stream games on their existing devices. Luna represents an exciting and truly new product and business, with a high degree of innovation, and an opportunity to reach a large volume of passionate customers.
As a Software Development Engineer working on the core streaming engineering for Luna, you will combine your passion for gaming, AWS, and building scalable tech for the next generation of cloud gaming. You will thrive in a fastpaced, highly collaborative startuplike environment inside Amazon, driving innovative solutions from concept to production.
Key job responsibilities
- Own endtoend software development: Design, implement, test, and operate scalable services that power Luna's streaming infrastructure.
- Drive rapid innovation: Develop quick proofofconcepts, iterate on prototypes, and ship productiongrade code while balancing cost, schedule, and performance.
- Collaborate across disciplines: Work closely with product managers, engineers, and QA to deliver consumerfacing features that meet both technical and business goals.
- Mentor and lead: Serve as a technical leader, guiding design decisions, code reviews, and bestpractice adoption across the team.
- Operate at all levels: Dive deep into lowlevel details of Windows/Linux, Wine, Proton, and related stack components, in addition to streaming technologies while also providing strategic input for product direction.
A day in the life
- The Luna initiative is a fastpaced, highly collaborative startuplike environment inside Amazon

Success requires flexibility, entrepreneurial spirit, and comfort with ambiguity. You will:
- Own projects from concept to production, delivering quick proofofconcepts and iterating based on feedback.
- Dive deep into lowlevel system details to make stack components behave in novel ways.
- Strategic input: Provide technical insight on implementation direction.
- Collaborate regularly with colleagues across Amazon's businesses and services to align technical and business goals.
About the team
Amazon Luna is a cloud gaming service that makes it easy for anyone to play high-quality games on the devices they already own-including Fire TV and tablet devices, smartphones, tablets, web browsers, select smart televisions from LG and Samsung, and more--with no need to purchase new gaming consoles or equipment. Luna brings more than 50 games to Prime members at no additional cost, including GameNight, an evolving collection of more than 25 approachable, local multiplayer games designed to bring friends and family together in the living room

To play GameNight titles, simply scan a QR code on your TV and your smartphone becomes your controller. With simple and responsive touchscreen inputs and support for multiple local players, GameNight offers and easy and approachable way to play whether you're an experienced gamer of a casual fan.
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What Amazon employees say

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Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Amazon

Sourced by ZipRecruiter

Amazon.com, Inc., commonly known as Amazon, is an American multinational technology company. It was founded by Jeff Bezos in 1994 and initially started as an online marketplace for books. Since then, Amazon has expanded its operations and become one of the largest e-commerce companies in the world. Amazon's primary business is its online retail platform, where customers can purchase a vast array of products, including electronics, clothing, books, home goods, and much more. The company offers a convenient and user-friendly shopping experience, with features such as fast shipping, customer reviews, and personalized recommendations. In addition to its e-commerce platform, Amazon has diversified its business into various other areas. One of its notable ventures is Amazon Web Services (AWS), a comprehensive cloud computing platform that provides services such as storage, compute power, and database management to individuals and businesses. AWS has become a leader in the cloud computing industry, powering many websites and applications worldwide. Amazon has also developed its own consumer electronics, including the popular Amazon Kindle e-reader, Fire tablets, Fire TV streaming devices, and the Alexa-powered Echo smart speakers. The Alexa voice assistant, integrated into these devices, allows users to interact with their devices using voice commands, perform tasks, and access information. Furthermore, Amazon has expanded into media and entertainment. It operates Prime Video, a streaming service that offers a wide range of movies, TV shows, and original content. Amazon Music provides a platform for streaming and purchasing digital music, while Audible offers audiobooks and other audio content. The company's commitment to customer satisfaction and convenience is demonstrated by its membership program, Amazon Prime. Prime members receive various benefits, including free two-day shipping, access to streaming services, exclusive deals, and more.

Industry

It services, book publishers, retail, real estate, computer and electronic product manufacturing and software development

Company size

10,000+ Employees

Headquarters location

Seattle, WA, US

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