Mark Hughes
Senior Reliability Engineer (Digestion and Biogas Assets) @United Utilities
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WORK HISTORY
Senior Reliability Engineer (Digestion and Biogas Assets) @United Utilities
GB
To provide technical authority and governance for the operation & maintenance (O&M) strategies of UU’s mechanical / electrical / instrumentation field assets. by carrying out FMEA and RCFA and implementing the outputs the goal is to increase the overall uptime and availability of equipment and systems, by reducing downtime and number of functional failures.
EDUCATION
Whitby High School
GCSE & GNVQ, GCSE & GNVQ
University of Lancashire
Bachelor of Technology - BTech advanced diploma water and wastewater management, Water Quality and Wastewater Treatment Management and Recycling Technology/Technician
University of Lancashire
Fd In Science & Utilities Management, Water Quality and Wastewater Treatment Management and Recycling Technology/Technician
Cabinet Office Emergency planning college
Tactical Emergency Management, Water Quality and Wastewater Treatment Management and Recycling Technology/Technician
Spirax sarco
Steam boiler plant fundamentals , Steam boiler
Blue Flame associates
Bio-gas Safety Engineering for Production Engineers, Water Quality and Wastewater Treatment Management and Recycling Technology/Technician
ABOUT MARK HUGHES
Experienced engineering and process safety leader with over 20 years in high-hazard utilities, specialising in biogas systems, asset reliability, and process safety management. I combine hands-on operational expertise with strategic oversight to deliver safe, compliant, and reliable performance across complex bioresources operations.Currently acting as Technical Authority for biogas and M&E/I assets at United Utilities, leading the delivery of the SCE Maintenance Strategy and frameworks that align with COMAH, DSEAR, IGEM, and IED requirements. Experienced in CHP, flare stacks, boilers, steam systems, gas clean-up, and storage, with a proven record of improving reliability, reducing risk, and driving regulatory confidence.Strong background in process safety assurance, incident investigation, and continuous improvement, applying HAZOP, HAZID, FMEA, and RCFA to enhance asset integrity and prevent recurrence. I maintain close engagement with HSE and EA on process safety governance and compliance.Collaborative and data-driven, I work across Operations, Maintenance, and Engineering teams to embed maintenance governance, develop competence frameworks, and deliver in-house technical training. My approach ensures alignment between strategic objectives, safe operations, and asset performance.Active in industry working groups through ADBA and Water UK, I contribute to developing best practice and innovation in bioresources management and process safety leadership.Key Expertise:Process Safety Leadership | COMAH | DSEAR | IGEM | HAZOP | HAZID | FMEA | RCFA | Asset Reliability | Biogas Systems | CHP | Bioresources | Maintenance Strategy | SCE | Major Accident Hazard Control | Regulatory Engagement | Continuous Improvement | Operational Excellence
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