Electrical ECI Engineer in Grays

Heidelberg Materials UK (formerly Hanson UK) is one of the UK’s largest suppliers of construction materials, employing over 4,000 people and operating around 300 manufacturing sites in the UK. We are committed to building a more sustainable future and recognise that a diverse workforce is vital to our growth and advancement. We aim to promote a culture that values openness, transparency and individual achievement. At the centre of our actions lies the responsibility for the environment. As the front runner on the path to carbon neutrality and circular economy in the building materials industry, we are working on sustainable building materials and solutions for the future. We enable new opportunities for our customers through digitalisation.

As the site’s Electrical Duty Holder, you’ll be the go‐to technical authority for all EC&I activity — ensuring the plant is safe, compliant, and consistently available to support operational performance.

You will:

• Be the legal Electrical Duty Holder for the site, ensuring all systems meet statutory and internal safety standards.
• Act as the expert authority on EC&I systems, guaranteeing safe maintenance and maximum plant availability.
• Work cross‐functionally with mechanical and operations teams to plan strategic preventive and reactive maintenance that meets commercial KPIs.
• Lead and mentor a skilled team of electricians and EC&I technicians — managing schedules, safe systems of work, and the 24/7 call‐out rota.
• Oversee contractors and manage EC&I contract requirements, ensuring high quality and cost‐effective services.
• Drive the development of the CMMS to align with O&M manuals and bespoke plant requirements.
• Manage installation, testing, operation and optimisation of monitoring and machine protection systems.
• Investigate, diagnose and resolve EC&I faults across the plant.
• Oversee minor installation and phased upgrade works.
• Administer and maintain plant control systems, including fault-finding, updates and system back-ups.
• Plan and deliver complex outages to support operational needs.
• Own and control the EC&I OPEX/AOP budget alongside the site management team.
• Manage critical spare parts inventory to guarantee uptime.
• Champion energy‐saving initiatives and help steer the business toward net‐zero operations.
• Maintain compliance with evolving legislation, including BS7671 and BS6626, always pushing continuous improvement.

A forward‐thinking EC&I professional with:

• Strong technical expertise across industrial electrical & control systems.
• Experience as a duty holder or similar high‐responsibility role.
• Confidence managing teams, contractors and budgets.
• A proactive mindset and passion for operational excellence.
• The drive to innovate and contribute to sustainability goals.
• Experienced in operating, maintaining and troubleshooting electrical distribution systems from 110V up to 11kV, including LV final circuits, MCCs, motor control systems, HV switchgear, LV/HV motors, VSDs and HV transformers.
• Ability to act as the site HV Senior Authorised Person (SAP).

At Heidelberg Materials, we don’t just offer jobs—we build careers. As a global leader in construction materials, we’re committed to innovation, sustainability, and, above all, our people.

We’re proud to be recognised as an Employer of Choice, with accreditations including: Armed Forces Covenant (Gold), Disability Confident, 5% Club (Platinum), Mates in Mind, Clear Assured, STEM Ambassador, MPQC Member.

Our family-friendly policies, such as enhanced maternity and parental leave, neonatal care, and adoption support, will provide you with the flexibility and support you need to balance your personal and professional commitments. We also offer a range of benefits, such as access to our Employee Assistance Program, trained mental health first aiders, discounted private medical benefits and much more, to ensure your wellbeing is prioritised.