HVAC Design Engineer - Hybrid (Nuclear-Grade)

Assystem; Warrington; Hybrid; GBP 42,000 - 63,000; Full time

Benefits offered by this job

Holiday bonuses

Hybrid work

Employee Committee

Job summary

Assystem, a leading nuclear engineering group, invites you to join as an HVAC Design Engineer in Warrington. You will interface with design and construction teams, develop and review HVAC systems, and ensure compliance with ASHRAE, CIBSE, ISO standards.

You will work in a regulated infrastructure environment, participate in design reviews, support commissioning, and contribute to risk assessments. Hybrid work 1-2 days remote per week, with ongoing training and career opportunities.

Qualifications

• 3–5 years of HVAC design or building services experience.
• Familiarity with HVAC codes and standards (ASHRAE, CIBSE, ISO, local regulations).
• Ability to interpret technical drawings and engineering documents.

Responsibilities

• Act as interface between HVAC design teams and construction teams.
• Develop and review HVAC designs and verify specifications and engineering outputs.
• Perform technical assessments to ensure compliance with standards and project requirements.
• Review contractor documentation, drawings, method statements, and test plans.
• Support integration of HVAC systems within broader mechanical, electrical, and building services designs.
• Participate in design coordination meetings and multi-disciplinary reviews.
• Contribute to risk assessments, hazard reviews, and safety evaluations.
• Support commissioning activities to ensure HVAC systems operate as designed.
• Provide input for change management, design updates, and configuration control.
• Maintain communication with project managers, quality teams, and other engineering disciplines.

Skills

HVAC design

Building Services Engineering

Communication skills

Team collaboration

Regulated industries experience

Contractor/site collaboration

Drawing interpretation

Problem-solving

Education

Degree in Mechanical Engineering or Building Services Engineering

Tools

Revit

AutoCAD

BIM tools

Load calculation software

Job description

Assystem, a leading nuclear engineering group, invites you to join as an HVAC Design Engineer in Warrington. You will interface with design and construction teams, develop and review HVAC systems, and ensure compliance with ASHRAE, CIBSE, ISO standards.

You will work in a regulated infrastructure environment, participate in design reviews, support commissioning, and contribute to risk assessments. Hybrid work 1-2 days remote per week, with ongoing training and career opportunities.