Scientist I – Sterilization Validation

About the role

As a Scientist I you will support validation activities for sterilization processes across STERIS facilities. The position is based onsite in Alajuela, Costa Rica and involves hands‑on work with dosimetry and environmental monitoring equipment.

Key responsibilities

• Perform calibration and maintenance of dosimeters, dosimetry equipment, and temperature/humidity sensors.
• Collect, analyze, and report dosimeter data to support validation studies.
• Coordinate sample handling, documentation, and transfer to external laboratories.
• Work with external labs for equipment calibration and maintenance.
• Support routine validation tasks, periodic verifications, revalidations, and requalifications.
• Monitor radiation dosimetry processes, create dosimetry equations, and maintain inventory.
• Assist in software validation for radiation technology and ethylene oxide services.

Required profile

• Experience in scientific studies for validation of sterilization processes.
• Familiarity with FDA regulations, ISO, AAMI, and ASTM standards.
• Ability to act as liaison between customers and facility leadership.
• Strong analytical skills for statistical and data analysis.

Required skills

• Dosimeter calibration and maintenance
• Temperature/humidity sensor calibration
• Statistical analysis of validation data
• Data analysis of dosimeter readouts
• Operations Data Management System usage
• Radiation equipment operation and troubleshooting
• Ethylene oxide validation procedures

What we offer

• Opportunity to work in a global leader in sterilization technologies.
• Collaborative environment with cross‑functional teams.
• Access to state‑of‑the‑art equipment and facilities.