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Senior Principal HVAC Engineer

Job in Olney, Buckinghamshire, MK46, England, UK
Listing for: Assystem
Full Time position
Listed on 2026-09-03
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer, Engineering Design & Technologists, Electrical Engineering
Job Description & How to Apply Below
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description Senior Principal HVAC Engineer  
Warrington
Perm

Job Description ð ️ Support Requirements Capture:
Manage and challenge requirements for existing waste containers and interface equipment.ð Support Engineering

Activities:

Assist as defined by the Engineering Manager.ð Mentorship:
Provide guidance and assurance to Senior Engineers and Designers.ð Determine Engineering Requirements:
Assist in defining product requirements.ð§ Tolerances Understanding:
Guide understanding of tolerances on interface drawings.ð Compile Documents:
Help in compiling Component Requirements Documents.ð Site Surveys:
Support site surveys and the production/review of survey reports.️ DFMEA/PFMEA Support:
Assist in Design and Process Failure Mode Effects Analysis.ð Review Drawings:
Check drawings and documents for accuracy.ð Deploy LFE:
Identify and apply Lessons Learned from Experience for technical tasks.

Qualifications Qualificationsð

Experience:

High-level technical competency and significant experience in a related field.ð

Education:

HNC (minimum).ð¡

Innovation: Ability to create and develop new ideas.ð️ Project Documentation:
Experience in preparing project documentation, processes, and reports.ð Stakeholder Management:
Demonstrable success in managing stakeholders.ð Engineering Background:
Deep experience in design, manufacture, material selection, welding, fabrication, and machining techniques.ð¡️ FMEA Knowledge:
Familiarity with DFMEA and PFMEA.ð️ Communication

Skills:

Excellent written and verbal communicator.

Additional informationð️ Regulated Industries:
Experienced in delivering work for highly regulated industries.️ Nuclear Sector:
Experience in the nuclear sector.ð ️ Nuclear Design:
Familiarity or previous design experience with nuclear, including mechanical handling.ð» CAD

Experience:

Experience with CAD (Inventor).Additional Information Whilst we encourage applications from all nationalities, Assystem within the UK are subject to security and export control restrictions due to the nature of work to be undertaken.  
These restrictions mean that factors including your nationality, any previous nationalities you have held, and/or your place of birth may limit those roles that you can perform for the organisation. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Summary Type:
Full-time Function:
Engineering Experience level:
Not Applicable Industry: Mechanical Or Industrial Engineering
Position Requirements
10+ Years work experience
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