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Onward Technologies LimitedVerified Job Source

Senior Piping Designer

  • Clarington, Ontario, Canada, Toronto, Ontario, Canada
  • Remote
  • Posted Sep 24, 2026
  • 1 position

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Employment type
Full-time
Experience level
Senior · 5+ years
Minimum education
Bachelor’s degree
Apply by
Oct 22, 2026
Posting language
English
Working hours
40 hours per week
Location requirements
Country, Ontario, Canada
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

The Senior Piping Designer will perform complex pipe stress analysis and review engineering deliverables against ASME Section III codes. They are responsible for identifying design deficiencies and recommending corrective changes for nuclear auxiliary and hydraulic systems.

Job details

Mechanical Nuclear Systems / Hydraulic Systems Engineer profile, particularly someone with experience in nuclear island auxiliary systems, piping, fluid systems, and ASME Section III. Systems to include in the requirement Nuclear Island Hydraulic / Mechanical Systems: Boron Injection System (BIS) – reactor shutdown/safety-related borated water injection. IC Pools Cooling & Cleanup System – cooling and purification of the relevant inventory/pools. Reactor Water Cleanup System (RWCU) – reactor water purification, filtration, heat removal and associated piping. Fuel Pool Cooling & Cleanup System (FPCCS) – spent fuel pool cooling, filtration and cleanup. Ideal candidate profile The candidate should have: Mechanical Engineering background. Strong piping analysis / pipe stress analysis experience. Experience with nuclear mechanical systems and hydraulic/fluid systems. ASME Section III – mandatory. Strong understanding of Class 3 piping / ASME Section III Subsection ND. P.Eng. / PEO – Ontario – mandatory if professional responsibility/sign-off is required. Ability to interpret P&IDs, piping drawings, equipment drawings, engineering calculations and design data. Ability to review engineering deliverables against applicable ASME codes and nuclear design requirements. Ability to identify deficiencies/non-compliances and recommend corrective design changes. Experience reviewing or certifying piping stress calculations, drawings and engineering documentation. Nuclear experience is preferred but not mandatory, provided the candidate has strong ASME Section III experience. Experience with Boron Injection, RWCU, Fuel Pool Cooling/Cleanup, IC Pool Cooling/Cleanup, or similar nuclear auxiliary/hydraulic systems is a strong advantage. Remote work is acceptable, with the ability to support the Toronto/Darlington project as required.

What you’ll do

The Senior Piping Designer will perform complex pipe stress analysis and review engineering deliverables against ASME Section III codes. They are responsible for identifying design deficiencies and recommending corrective changes for nuclear auxiliary and hydraulic systems.

Requirements

Candidates must possess a mechanical engineering background with mandatory experience in ASME Section III and pipe stress analysis. A P.Eng. designation in Ontario is required if professional sign-off is necessary for the project.

Listed skills

  • analysis · Preferred
  • Organization · Preferred
  • Attention to detail · Preferred
  • responsibility · Preferred
  • safety · Preferred
  • cleanup · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Piping Design
  • Pipe Stress Analysis
  • ASME Section III
  • Hydraulic Systems
  • Mechanical Systems
  • Nuclear Engineering
  • P&ID Interpretation
  • Engineering Calculations
  • Boron Injection System
  • Reactor Water Cleanup System
  • Fuel Pool Cooling
  • Class 3 Piping
  • Design Compliance
  • Technical Drawing Review

Job areas

  • Engineering
  • Energy
  • Manufacturing

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