Mechanical Engineer (HVAC)

Overview

Maintain and repair HVAC/mechanical plant at nuclear power site, ensuring safety.

Key Responsibilities

• hvac maintenance
• mechanical repair
• preventive maintenance
• fault diagnosis
• safety assurance
• training development

Tasks

-Ensure all work is delivered to high standards of health, safety, and quality assurance, in line with nuclear site requirements. -Support with maintenance of HVAC systems across the site, including office and welfare facilities. -Participate in ongoing training and development to maintain industry certifications and site competency. -Maintain and repair mechanical plant including pumps, air compressors, fans, motors, drives, pneumatic controls, and pressurisation systems. -Carry out planned preventative maintenance (PPM) on a wide range of HVAC and mechanical systems, including heavy plant equipment. -Diagnose and resolve faults arising from help desk requests and operational reports.

Requirements

• hvac
• nvq3
• mechanical
• electrical
• safety
• microsoft office

What You Bring

Dalkia UK is looking for a qualified and experienced Mechanical Engineer (HVAC) to join our dedicated team at Sizewell B, working under our long-term partnership with EDF. This is a hands-on, technically challenging role in a highly regulated, heavy industrial environment—perfect for an engineer who thrives on responsibility and wants to contribute to one of the UK’s key energy generation sites. You’ll be a hands-on engineer with a strong background in mechanical engineering, ideally gained in an industrial, utilities, energy, or nuclear environment. You take pride in your technical ability, attention to detail, and commitment to safety. -Strong understanding of health & safety regulations and industry standards -Competent with Microsoft Office and digital maintenance systems -Proven experience working on mechanical systems in an industrial setting, preferably HVAC -Time-served Mechanical Engineer with a relevant NVQ Level 3 qualification -Comfortable working with both mechanical and basic electrical systems

People Also Searched For

Benefits

Salary: Competitive, based on experience ▪️ Mental health and wellbeing support ▪️ Electric car scheme ▪️ Retail discounts -Referral and recognition bonuses -Excellent pension contributions -Access to our Employee Assistance Programme (EAP) -Overtime opportunities -Flexible benefits including: -Ongoing training and career progression opportunities -24 days annual leave + bank holidays

About Dalkia Uk

-Born from the rebrand of Imtech and Inviron, the company blends UK technical services with EDF’s energy expertise. -Operates as a technical and facilities powerhouse—designing, building, operating and maintaining energy systems. -Tackles projects spanning district heating, renewable installations, M&E engineering and specialist clean-room environments. -Supports public and private clients—from hospitals and universities to industrial sites and critical infrastructure. -Collaborates on large green-energy schemes like hydrogen plants, EV charging networks and decarbonisation roadmaps. -Backed by parent EDF’s low-carbon generation (nuclear, wind, solar), it delivers locally tailored technical delivery. -Offers integrated services in systems integration, fire & safety, clean rooms and mission-critical spaces.

Sector Specialisms