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.