Job Title:  Scientist I

Req ID:  39339
Job Category:  Manufacturing Operations

Petaluma, CA, US, 94954


At STERIS, we help our Customers create a healthier and safer world by providing innovative healthcare and life science product and service solutions around the globe.

Position Summary

At STERIS, the Scientist I is responsible for the activities related to radiation processing and dosimetry at the STERIS radiation facility located in Petaluma, CA, This will include calibrations, maintaining dosimeters and dosimetry equipment, measurement of dosimeters for report generation, coordinating with external laboratories for equipment calibrations, and other Radiation Technical routine tasks as directed by the Senior Scientist and/or Principal Scientist.

What We Offer You

The opportunity to join a company that will invest in you for the long-term. STERIS couldn’t be where it is today without our incredible people. That’s why we share in our success together by rewarding you for your hard work. Hiring people who are in it for the long run with STERIS is our ultimate goal. We do this by providing:

  • Competitive salaries
  • Healthcare benefits 
  • Tuition assistance
  • Paid-time off
  • Paid holidays
  • Matching 401(k)
  • Annual merit increases
  • Annual bonus

Join us and help write our next chapter!

What You Will Do - Scientist I

•    Supports the conduct of scientific studies for investigation and validation purposes. 
•    Contributes to maintaining dosimetry systems for radiation sterilization processes in the medical device or pharmaceutical industry that comply to FDA regulations, ISO 9000, AAMI and ASTM standards.
•    Contributes to successful product processing by performing dosimeter calibrations.  
•    Monitors dosimeter readout process by analyzing data and supports exercises in which routine use dosimeters are irradiated alongside reference/transfer dosimeters to determine environmental offsets.
•    Responsible for creating  critical dosimetry equations in the Operations Data Management System for STERIS facilities.
•    Contributes to safe and accurate processing by notifying the Scientist II, Senior Scientist or Principal Scientist of any event, item or documentation that may have a concern in regard to regulatory or specification compliance, Customer product quality, or employee safety.
•    Ensures STERIS dosimetry equipment at all plants is operating within specifications and leads resolution and investigation into any issues related to dosimetry equipment.
•    Ensures all internal equipment is calibrated per procedure requirements and coordinates calibrations with external vendors.  
•    Tracks facility wide dosimeter inventory and send monthly report to STERIS accounting.
•    Maintains and distributes dosimeters to facilities based on usage forecasts.
•    Maintains a safe work environment by attending safety meetings with local plants, completing safety rounds of the Radiation Technology facility, and tracking all hazardous materials as contained in the Material Safety Data Sheets.
•    Assists in statistical analysis of data that include, but are not limited to, variation analysis and Dosimetry System uncertainty assessment.
•    Communicates in an effective manner by utilizing accepted business practices in a courteous and professional manner providing timely and accurate responses and service oriented offers of assistance.
•    Protects company confidential information by properly storing, retrieving and disseminating such information only to those authorized.
•    Exhibits a commitment to the AST shared values of Customer Satisfaction and Continuous Improvement through ensuring defect-free workmanship, assisting others to meet the Customer’s needs, searching for efficient and effective ways to reduce waste, being active and accountable for Customer satisfaction, and satisfying the Customer’s needs with a sense of urgency.
•    Contributes in a team effort by performing according to the guidelines outlined in the STERIS Code of Business Conduct, the GMP, Lean principles and other directives; supports the directives and decisions of higher level management and performs other duties as assigned.

Education Degree

  • Bachelor's Degree

What Will Help You Be Successful

  • Ability to demonstrate mathematical and technical competence for problem solving.
  • Proficient in use of MS Excel, MS Word, MS PowerPoint.
  • Able to complete statistical and data analysis using statistical tools such as MS Excel.
  • Academic knowledge of Quality Systems and working in a regulated environment.  
  • Academic knowledge of Good Documentation Practices (GDP).



 Pay range for this opportunity is $66,560.00 - $77,826.00.


Minimum pay rates offered will comply with county/city minimums, if higher than range listed.  Pay rates are based on a number of factors, including but not limited to local labor market costs, years of relevant experience, education, professional certifications, foreign language fluency, etc.


STERIS is a leading global provider of products and services that support patient care with an emphasis on infection prevention.  WE HELP OUR CUSTOMERS CREATE A HEALTHIER AND SAFER WORLD by providing innovative healthcare, life sciences and dental products and services. STERIS is a $5 billion, publicly traded (NYSE: STE) company with approximately 17,000 associates and Customers in more than 100 countries.


If you need assistance completing the application process, please call 1 (440) 392.7047. This contact information is for accommodation inquiries only and cannot be used to check application status.


STERIS is an Equal Opportunity Employer.  We are committed to equal employment opportunity and the use of affirmative action programs to ensure that persons are recruited, hired, trained, transferred and promoted in all job groups regardless of race, color, religion, age, disability, national origin, citizenship status, military or veteran status, sex (including pregnancy, childbirth and related medical conditions), sexual orientation, gender identity, genetic information, and any other category protected by federal, state or local law.  We are not only committed to this policy by our status as a federal government contractor, but also we are strongly bound by the principle of equal employment opportunity.


The full affirmative action program, absent the data metrics required by § 60-741.44(k), shall be available to all employees and applicants for employment for inspection upon request. The program may be obtained at your location’s HR Office during normal business hours.

Req ID:  39339
Job Category:  Manufacturing Operations

Petaluma, CA, US, 94954

Nearest Major Market: Santa Rosa
Nearest Secondary Market: Petaluma

Job Segment: Medical Device, Pharmaceutical, Patient Care, Infection Control, Healthcare, Quality, Science