Senior Mechanical Engineer; TPSS

Reporting directly to Manager, Transport Packages and Sealed Source Engineering, you will be responsible for the design, testing and on‑going technical and manufacturing support of sealed sources and transport packages used for the shipment of radioisotopes.

The Transport Packages and Sealed Source Engineering group is responsible for Cobalt‑60 sealed sources, manufacturing of sealed sources, and a fleet of nuclear transport packages. We work closely to support the relevant production teams and processes at our Ottawa facility.

• Apply a fully proficient and in‑depth knowledge of engineering principles and standards.
• Lead or participate in all aspects of the design, licensing and manufacture of sealed sources and transport packages. This includes leading the design process; coordinating prototype manufacture; performing safety analyses; creating test specifications; coordinating and executing testing; compiling results and generating reports; and designing or modifying production processes.
• Lead mechanical engineering projects and be fully accountable to meet defined budgets, schedules, and functionality requirements, commensurate with your work experience.
• Be responsible for engineering approval on new or modified source and package designs to ensure they meet all applicable engineering, quality, safety, and regulatory requirements.
• Stay current with the requirements for and capabilities of Nordion sources and packages to respond to complex queries from regulators and customers.
• Provide task guidance and quality control for activities of other team members.

• Minimum 7 years of relevant work experience in mechanical engineering.
• Professional Engineer designation or eligibility for accreditation as a professional engineer.

• Technical experience and competencies:
  • Design and engineering analysis of mechanical systems and components
  • Design, prototyping, testing and troubleshooting of mechanical or electromechanical equipment
  • Design, refinement, implementation and documentation of manufacturing processes
• Demonstrated experience as an engineer in the capacity of subject matter expert.
• Excellent verbal communication skills. Ability to clearly explain compliance issues regarding sources or transport packages.
• Proven ability to exercise judgment on complex decisions outside standard practices and procedures.
• Experience providing technical recommendations with limited review from senior staff, offering guidance to other engineers and technicians, and reviewing technical items.
• Prepare reports for distribution to various groups, outlining technical details, results or conclusions.
• Ability to work independently and exercise good judgment on complex decisions outside normal procedures.
• Effective team player.
• Excellent technical writing skills.

• Familiarity with welding, welding equipment and/or welding design.
• Understanding of various methods and technologies used for leak testing of critical components and systems.
• Competency in finite element analysis and computational fluid dynamics using ANSYS or Solid Works software tools.
• Experience with Solid Works.
• Experience adhering to regulations and interacting with regulatory bodies.

• Occasional overtime to meet project requirements.
• Must complete all required training and certification as a Nuclear Energy Worker.

• Job Identification 13963
• Job Category Engineering
• Posting Date 02/25/2026, 06:12 PM
• Locations 447 March Rd., Ottawa, Ontario, CA
• Degree Level Bachelor's Degree
• Job Schedule Full time

The name Sotera Health was inspired by Soteria, the Greek goddess of safety, and reflects the Company’s unwavering commitment to its mission, Safeguarding Global Health®. Sotera Health Company is a leading global provider of mission‑critical sterilization and lab testing and advisory services for the healthcare industry. With a combined tenure across our businesses of nearly 200 years and our industry‑recognized scientific and technological expertise, we help to ensure the safety of millions of patients and healthcare practitioners around the world every year.

Across our 64 facilities worldwide,…