Power the Future. Lead with Precision. Engineer What Matters. Senior / Principal EC&I Engineer Staff Roles! Job Role: Staff positions for both Location: Warrington or Didcot with hybrid working Salary and benefits package: Extremely competitive About the Role We are seeking an experienced Senior / Principal EC&I Engineer to join a growing engineering team delivering complex, safety-critical projects within highly regulated environments. This is an opportunity to play a key technical and leadership role — shaping engineering solutions, guiding multi-disciplinary teams, and ensuring project delivery is safe, on time, and to the highest quality standards. At Principal level, you will provide technical leadership, supervise and mentor engineers, manage resource allocation, and support recruitment and technical development within the team. What You'll Be Doing Defining and distributing scopes of work across engineering teams Delivering design and engineering outputs in line with project procedures and safety requirements Supporting and participating in Design Reviews and HAZOPs Producing and checking engineering documentation, drawings, and calculations Providing technical consultancy and multi-disciplinary coordination Supporting procurement, manufacture liaison, installation, commissioning, and operator training Managing subcontractors and engineering resources Monitoring quality, cost control, and project progress Supporting bids and client engagement activities Promoting and reinforcing a strong safety culture Leadership & Responsibility Supervising engineering teams (typically up to 5 engineers) Managing work allocation, progress, and quality Interfacing with clients and multi-disciplinary teams Supporting staff development and mentoring Ensuring compliance with safety regulations including CDM and CE marking What We're Looking For Essential: Degree qualified in a relevant engineering discipline (or equivalent experience) Minimum 5 years' experience within a highly regulated engineering environment Strong understanding of design requirements supporting safety cases Experience managing subcontractors Experience checking design documentation including drawings and calculations Knowledge of safety regulations including CDM Experience leading technical teams within project delivery environments Strong organisational, collaboration, and communication skills Ability to work effectively to tight deadlines Full UK driving licence Working towards Chartered Engineer status (where applicable) Desirable: Chartered Engineer (CEng), ideally with IET membership EC&I design integration experience with PLC/SCADA systems Experience in design substantiation to support safety cases Experience within defence or similarly regulated sectors Experience supporting bid preparation What's on Offer Hybrid and agile working policies 8.5% Pension Contribution & Life Assurance Private Medical Scheme* Employee Share Scheme Salary Sacrifice Schemes (Electric Vehicles, Technology, Cycle to Work) 25 days holiday (increasing with service up to 31 days) Option to buy, sell, or carry over up to 5 days annual leave 18 Weeks Full Maternity Pay* (21 weeks SMP) Personal Development & Further Education Support Long Service & Recognition Awards Free Employee Assistance Programme *After 1 year of service Why Join Us? You'll be joining a performance-driven organisation operating in highly regulated sectors, where safety, innovation, and engineering excellence are at the core of everything we do. We are committed to developing our people, offering real opportunities for progression, technical growth, and leadership development. If you are ready to take the next step in your EC&I career and contribute to impactful engineering projects, we would love to hear from you. Company information At First Recruitment Group we understand just how important it is to secure the right people. That is why our Recruitment Consultants always take the time to understand requirements in detail and offer sound advice to both clients and candidates. We actively recruit at all levels and this is a superb opportunity for Senior and Principle EC&I Engineers looking for new employment. As part of putting people first, we strive to be an equal opportunities employer and we are always looking to increase the diversity of our workforce, working closely with our clients to ensure everyone is included.