Pipe Stress Engineer

Holtec International; Almondsbury; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private health insurance

25 days annual leave

Hybrid work opportunities

Education assistance

Employer matched pension contributions

Job summary

Holtec International is seeking a Pipe Stress Engineer to perform detailed piping stress analyses for integrity and safety. The role requires 5+ years of experience, expertise in AutoPIPE or CAESAR II, and strong knowledge of ASME NB/NCD/B31.1/B31.3 codes. On-site in Almondsbury with relocation assistance.

Collaboration with design, layout, and 3D teams is essential. You will generate stress reports, review third-party analyses, and support construction teams with field issues, ensuring

Qualifications

• Bachelor’s degree in Mechanical Engineering from an accredited program.
• 5+ years of piping stress analysis experience in oil, gas, or nuclear sectors.
• Proficiency with AutoPIPE or CAESAR II for static and dynamic analyses.
• Knowledge of ASME NB, NCD, B31.1 and B31.3 codes.
• Experience with 3D design tools: SmartPlant 3D, PDMS, Navisworks.
• Understanding of static and dynamic analysis methods.
• Ability to interpret piping layouts and isometrics.
• Strong attention to detail and reporting skills.

Responsibilities

• Perform piping stress analyses (static and dynamic) using AutoPIPE or CAESAR II.
• Develop stress design basis, critical line lists, and analysis procedures.
• Evaluate thermal expansion, sustained loads, occasional loads, and seismic effects.
• Provide design recommendations for supports, routing, and expansion joints.
• Analyze and mitigate high piping loads on equipment nozzles, ensuring code compliance.
• Select appropriate spring hangers to accommodate thermal expansion and loads.
• Generate and review stress reports, calculations, and design documentation.
• Coordinate with layout, materials, and structural teams for optimized designs.
• Support 3D modeling, clash detection, and routing optimization.
• Assist construction teams by resolving field piping stress issues.

Skills

Piping stress analysis

Strong reporting & documentation

Interpret piping layouts & isometrics

Strong attention to detail

Education

Bachelor’s degree in Mechanical Engineering

Tools

AutoPIPE

CAESAR II

SmartPlant 3D

PDMS

Navisworks

Job description

The Pipe Stress Engineer is responsible for performing detailed piping stress analysis to ensure the integrity, safety, and compliance of piping systems under various operating and environmental conditions.

Location: Almondsbury (Bristol Area), UK (On-site) - Relocation Assistance Available!

Primary Responsibilities

• Perform piping stress analysis (static and dynamic) using tools such as AutoPIPE or CAESAR II.
• Develop stress design basis, critical line lists, and analysis procedures.
• Evaluate thermal expansion, sustained loads, occasional loads, and seismic effects.
• Provide design recommendations, including support locations and types, pipe routing optimization, and flexibility enhancements such as expansion loops and joints.
• Analyze and mitigate high piping loads on equipment nozzles (pumps, compressors, heat exchangers, tanks, and vessels), ensuring compliance with applicable codes, standards, and vendor allowable limits.
• Select appropriate spring hangers to accommodate thermal expansion and maintain acceptable piping loads.
• Generate and review stress reports, calculations, and design documentation.
• Provide pipe support load data and coordinate with pipe support engineers.
• Ensure compliance with ASME NB, ASME NCD, ASME B31.1, B31.3, and applicable project specifications.
• Review and validate third-party stress analysis.
• Coordinate with layout, materials, and structural teams for optimal designs.
• Support 3D modeling efforts, clash detection, and routing optimization.
• Assist construction teams by resolving field issues related to piping stress.

Requirements

• Bachelor’s degree in Mechanical Engineering.
• 5+ years of experience in piping stress analysis.
• Proficiency in stress analysis software such as AutoPIPE (preferred) or CAESAR II.
• Knowledge of piping design, materials, and specifications.
• Strong knowledge of ASME NB, ASME NCD, ASME B31.1 and B31.3 codes.
• Understanding of static and dynamic analysis methods.
• Experience with 3D tools such as SmartPlant 3D, PDMS, and Navisworks.
• Ability to interpret piping layouts and isometrics.
• Strong attention to detail.
• Strong reporting and documentation skills.

Preferred Qualifications

• Experience in nuclear or power plant projects.
• Knowledge of ASME B31.4 and B31.8 codes, as well as AISC and ASME Section III, NF for structural supports.
• Knowledge of HDPE and PVC piping analysis.
• Familiarity with dynamic analysis including seismic and water hammer.
• Working knowledge of pipe rupture analysis and leak-before-break is a big plus.
• Eligibility to work under 10 CFR Part 810

A Generation Ahead by Design™

Investing in people who power the future.

Benefits

• Private health insurance for physical and mental health, 24/7 GP access, dental/optical cashback and travel insurance for you and your family
• 25 days annual leave plus bank holidays, with Christmas shutdown
• Hybrid work opportunities available where business needs and role requirements allow
• Education assistance to support continued professional growth, reimbursement of professional membership fees
• Employer matched pension contributions, life insurance, enhanced maternity/paternity benefits

If you’re driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec - a generation ahead by design™.