Control & Instrumentation Technician (HVAC)

Company: Dalkia UK
Apply for the Control & Instrumentation Technician (HVAC)
Location: Sizewell
Job Description:

Control & Instrumentation Technician (HVAC)

Location: Sizewell B, Leiston, Suffolk

Contract: Permanent, Full-Time (37.5 hours/week)

Salary: Competitive, dependent on experience

About the Role

Dalkia UK is seeking a skilled and motivated Control & Instrumentation (C&I) Technician specialising in HVAC systems to join our team at Sizewell B Power Station.

Working within our long-term partnership with EDF Energy, you will play a key role in maintaining critical infrastructure in a highly regulated, safety-focused environment. This is a hands-on and technically demanding position, ideal for an engineer who enjoys problem-solving and takes pride in delivering high standards of work.

Key Responsibilities

  • Perform reactive and planned maintenance on a wide range of HVAC systems, instrumentation, and control equipment.
  • Diagnose faults and implement effective solutions based on operational reports and helpdesk requests.
  • Support the maintenance and reliability of HVAC systems across site facilities, including office and welfare areas.
  • Assist in the upkeep and repair of mechanical plant, including pumps, compressors, fans, motors, drives, pneumatic controls, and pressurisation systems.
  • Ensure all activities are carried out in strict compliance with health, safety, and quality standards, particularly within a nuclear-licensed environment.
  • Participate in continuous training to maintain site competency and professional certifications.

About You

You are a proactive and hands-on engineer with a strong foundation in mechanical and/or control & instrumentation engineering. Ideally, you have experience in a heavy industrial, energy, utilities, or nuclear setting and demonstrate a strong commitment to safety, precision, and continuous improvement.

Essential Skills & Qualifications

  • Recognised apprenticeship or NVQ in Control & Instrumentation (or equivalent practical experience).
  • Experience working within heavy industrial or manufacturing environments.
  • Competence in both mechanical systems and electrical systems.
  • Solid understanding of health & safety regulations and industry best practices.
  • Proficiency in Microsoft Office and computerised maintenance management systems (CMMS).

What We Offer

  • 24 days annual leave plus bank holidays
  • Competitive pension scheme
  • Flexible benefits package, including:
  • Retail discounts
  • Electric vehicle scheme (Pending acceptance)
  • Mental health and wellbeing support
  • Employee Assistance Programme (EAP)
  • Referral and recognition schemes
  • Ongoing training and career development opportunities

Diversity & Inclusion

At Dalkia UK, we are committed to fostering a diverse and inclusive workplace. We welcome applications from all backgrounds and will provide reasonable adjustments throughout the recruitment process where required.

Posted: May 3rd, 2026