Senior / Principal Stress Engineer

Salary: Competitive salary & benefits package inc. car allowance

Job Reference: JOB-90216

Published: 21-01-2026

Duration: Permanent

Expiry Date: 18-02-2026

Country: United Kingdom

Permanent 37 hours per week Hybrid working

An established engineering group delivering advanced new-build programmes is expanding its Stress Engineering capability. The work spans next-generation low-carbon technologies, including fusion, hydrogen and small modular reactors, within highly regulated environments.

Due to sustained programme growth, Senior/ Principal Stress Engineers are required to support long-term, permanent projects with clear scope for progression and development.

The role can be based at any of the following UK offices including Bolton, Newcastle, Derby, Bristol, Glasgow, Oxford or Warrington.

Hybrid working applies, typically two days per week in the office and three from home, alongside flexible core hours.

• Deliver stress analysis for pressure and water systems within regulated environments
• Apply ANSYS to support design substantiation and safety justification
• Engage directly with client stakeholders and multidisciplinary engineering teams
• Support new-build technologies across fusion and SMR programmes
• Apply relevant UK and international engineering standards, including exposure to American codes where required

• Experience operating at Senior or Principal Stress Engineer level
• Proven background in pressure or water systems
• Strong, hands on ANSYS capability
• Experience within nuclear, defence, energy, marine or subsea environments
• Degree qualified; chartership or progress towards chartership advantageous
• Able to achieve Security Check (SC) clearance

The package is competitive with a car allowance included at Principal level.

Due to security requirements, applicants must be sole British nationals and willing to undertake SC clearance.

This position offers long term programme stability, technical challenge and structured progression within a growing engineering capability.