Senior C&I Engineer - Why this role might appeal to you * The chance to apply your expertise as a Senior Controls & Instrumentation Engineer across the full lifecycle of energy projects—from design to operation. * A varied and engaging workload, combining design, site engineering, and hands-on problem solving. * Meaningful involvement in low-carbon and sustainable infrastructure projects. * A supportive environment where a Senior Controls & Instrumentation Engineer can genuinely influence project direction. * Strong opportunities for professional development and increased responsibility. Our client, an industry leader within their field, is seeking a Senior Controls & Instrumentation Engineer to take a key role in the design and delivery of control systems across a range of heat-network and energy projects in London. This position is ideal for a Senior Controls & Instrumentation Engineer who enjoys a mix of detailed design work, site engineering, and direct engagement with suppliers and project stakeholders. As a Senior C&I Engineer, you’ll work closely with multidisciplinary teams to ensure control systems are designed, installed, and commissioned to a high standard. You’ll take ownership of your projects, contribute to technical decisions, and support both office-based engineering and on-site delivery. Senior C&I Engineer Responsibilities: * Acting as the lead Senior Controls & Instrumentation Engineer during the detailed design phase. * Taking responsibility for C&I engineering on site during construction and commissioning. * Designing control systems for energy centres and heat-network infrastructure. * Working with suppliers throughout procurement, design development, installation, and commissioning. * Reviewing technical submissions, drawings, and integration strategies. * Supporting project managers with reporting, planning, and technical evaluation. * Balancing office-based design work with regular site visits across London. Ideal Senior C&I Key Skills: * Degree-level qualification (Level 8 / Honours Bachelor’s or equivalent) in engineering. * Minimum 7 years’ experience as a C&I engineer—ideally already operating at Senior Controls & Instrumentation Engineer level. * Confident engaging with clients, consultants, and suppliers. * Strong understanding of BMS and PLC-based systems, with beneficial experience in Siemens or Trend platforms. * Proficient with MS Office, especially Excel and Word. * A flexible mindset, keen to take on varied technical challenges across full project lifecycles. * Someone who works well in a multidisciplinary environment and naturally collaborates with others