Senior EC&I Design Engineer

Connected Search Group; Sheffield; On-site; GBP 50,000 - 70,000; Full time

Job summary

An innovative engineering company in the UK is seeking a Senior EC&I Design Engineer to lead bespoke electrical and instrumentation projects. The role offers flexible working and involves designing safety-critical systems and mentoring junior engineers. Candidates should have a degree in engineering and skills in hardware and software design, with knowledge of functional safety. Competitive perks include flexible hours and a salary-sacrifice pension scheme.

Benefits

Flexible start and finish times

25 days' holiday plus bank holidays

Salary-sacrifice pension scheme

Long-service awards

Employee referral bonuses

Qualifications

• Degree-qualified in a relevant engineering discipline.
• Skilled across hardware and software design.
• Sound knowledge of functional safety with experience using tools such as SISTEMA.

Responsibilities

• Define and deliver EC&I system specifications.
• Design and integrate safety-critical controls.
• Produce documentation including Basis of Design and FDS.

Skills

Hardware design

Software design (PLC/HMI)

Functional safety knowledge

Communication skills

Mentoring

Education

Degree in relevant engineering discipline

Tools

SISTEMA

EPLAN

Amtech

Job description

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