HVAC Design Engineer - Hybrid, Nuclear Projects

Assystem UK Ltd; West of England; Hybrid; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Holiday bonuses

Employee Committee

Ongoing training

Internal promotions

Hybrid work

Job summary

Assystem UK Ltd is seeking a mid-senior HVAC design engineer to act as the primary interface between design teams and construction crews. The role involves developing and reviewing HVAC designs, ensuring compliance with standards, and coordinating across mechanical, electrical, and building disciplines.

Applicants should have 3–5 years of relevant HVAC experience, strong communication, and the ability to work effectively in a project-based, regulated environment.

Qualifications

• Degree in Mechanical Engineering, Building Services Engineering, or a related discipline.
• 3-5 years of relevant HVAC design or building services experience.
• Ability to interpret technical drawings, specifications and engineering documents.
• Experience with contractors, site teams and multi-disciplinary groups.
• Strong communication and collaborative skills.

Responsibilities

• Act as the primary interface between HVAC design teams and construction/installation teams.
• Develop and review HVAC designs and confirm accuracy of detailed specifications and outputs.
• Perform technical assessments to ensure compliance with relevant standards and project requirements.
• Review and validate contractor documentation, drawings, method statements, and test plans.
• Support the integration of HVAC systems with broader mechanical, electrical, and building systems.

Skills

Strong communication

Interpreting drawings/specifications

Collaboration across disciplines

Regulated environments

Education

Degree in Mechanical Engineering or Building Services

Tools

Revit

AutoCAD

BIM tools

Load calculation software

Job description

Assystem UK Ltd is seeking a mid-senior HVAC design engineer to act as the primary interface between design teams and construction crews. The role involves developing and reviewing HVAC designs, ensuring compliance with standards, and coordinating across mechanical, electrical, and building disciplines.

Applicants should have 3–5 years of relevant HVAC experience, strong communication, and the ability to work effectively in a project-based, regulated environment.