We’re recruiting for a Senior EC&I Design Engineer to join a leading engineering business delivering high-specification control and instrumentation systems for the oil & gas, process, and petrochemical sectors. This is a hands-on, technically focused role ideal for an EC&I Design Engineer with a strong background in electrical design, control systems, and instrumentation. You’ll be joining a collaborative and growing team committed to engineering excellence, compliance, and delivering complex solutions in hazardous and regulated environments. You’ll be responsible for producing detailed EC&I designs, generating technical documentation, specifying PLC hardware and instrumentation, and ensuring compliance with ATEX and other industry standards. This role is hybrid with occasional site visits for testing, inspection, and client support. Senior EC&I Design Engineer – Essential Skills & Experience: 5 years’ experience in EC&I design within oil & gas or process industries Proficient in AutoCAD and ideally Amtech/ProDesign Strong understanding of hazardous area design and ATEX compliance Experience in specifying PLC equipment and designing control systemsSenior EC&I Design Engineer – Benefits: Flexible hours (core hours between 10am - 4pm) Birthday off Option to purchase 3 additional holidays via salary sacrifice Enhanced maternity/paternity leave after 2 years’ service Company pension Death in Service cover Income protection scheme Long service recognition If you’re an experienced EC&I Design Engineer looking for your next challenge in a technically rewarding role, we’d love to hear from you. Apply with your CV or contact Harry Ogilvie at Chroma Recruitment on (phone number removed) for a confidential chat. Chroma Recruitment is acting as an employment business in relation to this position