Overview
Senior EC&I Design Engineer – Sheffield - Flexible Working | High-Integrity, Safety-Critical Projects
Why apply? Join a leading UK engineering business recognised for delivering innovative mechanical handling and control systems across the defence, aerospace, nuclear, and infrastructure sectors.
You'll work on technically challenging, safety-critical projects from concept through to commissioning, within a collaborative team that values precision, creativity, and continuous learning.
What\'s on offer
* Flexible start and finish times around core hours
* 25 days\' holiday plus bank holidays, with the option to buy extra
* Salary-sacrifice pension scheme with enhanced employer contribution
* Long-service awards and employee referral bonuses
* Exposure to some of the UK\'s most complex and high-integrity engineering projects
The role
As a Senior EC&I Engineer, you\'ll take technical ownership of bespoke electrical, control, and instrumentation systems, spanning both hardware and software design.
Key responsibilities include:
* Defining and delivering EC&I system specifications in line with demanding client requirements
* Designing and integrating safety-critical controls into complex machinery and handling systems
* Producing documentation including Basis of Design, FDS, and SDS
* Performing reliability calculations and SIL assessments using tools such as SISTEMA
* Developing and checking electrical schematics and control drawings (EPLAN preferred)
* Programming PLCs/HMIs (Siemens, Rockwell, Schneider) and developing interface logic
* Supporting FAT/SAT, commissioning, and troubleshooting activities
* Leading design risk assessments and ensuring compliance with BS EN 13849, BS EN 61508, and BS EN 62061
* Mentoring junior engineers and promoting functional-safety best practice
* Managing subcontractors and suppliers to maintain technical quality and compliance
About you
* Degree-qualified in a relevant engineering discipline
* Skilled across both hardware (schematics, panels, drives, instrumentation) and software (PLC/HMI)
* Sound knowledge of functional safety with experience using tools such as SISTEMA
* Familiar with Amtech and modern variable-speed drives
* Confident communicator able to lead design reviews and liaise directly with clients
* Full UK driving licence and flexibility for occasional site work
* Desirable: Chartered status or functional-safety certification, and experience with cranes, heavy machinery, or large-scale automation
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