Site Engineering Manager

Company Overview

BioteCH4 are one of the leading AD operators in the UK, handling the collection and transportation of food waste, oils and fats recycling.

We own and operate a group of anaerobic digestion facilities across the UK. We also provide biological support, emergency response and feedstock supply to other operators within the industry. Our industry expertise means we not only have the knowledge and experience to deal with all the food waste the UK produces.

Summary

We are seeking an experienced Site Engineering Manager to work in a Group role, working across all of our AD facilities.

The Site Engineering Manager is responsible for leading and coordinating engineering teams across the Food Waste AD sites. This role ensures that all plants operate safely, reliably, and efficiently by managing maintenance strategies, overseeing engineering performance, prioritising work across sites, and driving continuous improvement. The manager acts as the central point of technical leadership for site engineers and ensures engineering standards, compliance, and asset integrity are consistently maintained. This role works closely with the Field Engineering Manager to cohesively coordinate between site and larger project works at sites.

Each AD site will be manned with on call engineering call out rota – the Site Engineering Manager will be expected to be the Senior for the on call rota for escalation from this team which will be typically 1 in 3\.

Key areas of role responsibility:

Multi site engineering leadership

• Lead, mentor, and develop Site Engineers across several Food Waste AD facilities.


• Allocate engineering resources across sites based on risk, downtime, and operational priorities.


• Conduct regular site visits to review engineering performance, asset condition, and maintenance execution.


• Set engineering KPIs and ensure consistent delivery of maintenance standards across all locations.

• Oversee preventive, predictive, and corrective maintenance activities for all AD process equipment (pumps, mixers, CHP engines, gas systems, feedstock systems, flare, pasteurisers, digesters, etc.).


• Ensure compliance with CMMS processes, work order management, and asset histories.


• Lead planning for shutdowns, overhauls, and major maintenance events across sites.


• Review maintenance data to identify recurring failures and implement long\-term engineering solutions

• Provide engineering support and guidance for complex technical issues, process upsets, and plant failures.


• Coordinate root\-cause analysis for critical incidents and ensure corrective actions are implemented.


• Support optimisation of biogas production, digester health, and plant energy efficiency.


• Ensure consistent application of engineering standards, best practices, and safe operating procedures.

• Manage contractors, OEMs, and specialist service providers across all sites.


• Ensure contractor safety, performance, and adherence to SLAs and engineering specifications.


• Oversee small\-to\-medium capital engineering projects, upgrades, and equipment replacements.


• Assist with procurement of engineering equipment, services, and spare parts.

• Ensure all engineering work complies with HS\&E regulations, site permits, and company safety policies.


• Lead engineering risk assessments, PTWs, and oversight of safety\-critical systems.


• Support internal and external audits related to plant operations and engineering compliance.


• Promote a strong culture of safety and continuous improvement across engineering teams.

• Lead cross\-site initiatives to improve reliability, efficiency, and maintenance effectiveness.


• Implement engineering standards, SOPs, and technical training programs.


• Develop site engineering talent, succession planning, and competency frameworks.


• Identify opportunities for cost reduction, reliability improvements, and operational enhancements.

• 5\-7 years of engineering experience in the gas industry (preferable AD or Gas to Grid environment), 2\-3 years of supervising engineers or contractors.


• Strong background in industrial, process, renewable energy, or waste\-to\-energy engineering (AD experience preferred).


• Knowledge of AD plant equipment: pumps, pipework, gas systems, CHP engines, gas to grid, instrumentation, PLC/SCADA, and mechanical systems.


• Experience using CMMS for maintenance planning and reporting


• Ability to interpret P\&IDs, electrical diagrams, control system logic, and performance data


• HNC/HND in Mechanical, Electrical or Process Engineering (minimum)


• Compex / ATEX awareness desirable


• Strong knowledge with diagnostic tools and equipment


• Ability to read and interpret schematics and blueprints


• Experience of use of industry specific software (AutoCAD, Scada, Shire) desirable


• High level of computer literacy – proficient use of Microsoft Office Suite (Excel, Word, Powerpoint, Outlook, Sharepoint)


• IOSH/NEBOSH certificate desirable

• Strong root\-cause analysis, troubleshooting, and technical reporting capability.


• Proven experience managing multi\-site engineering teams


• Ability to identify and resolve complex issues independently


• Ability to carry out root cause analysis with corrective action planning


• Adopting a methodical approach to work

• Clear reporting to all stakeholders and timely and accurate input to engineering software system


• Strong communication and coordination skills across operational and technical teams.


• Ability to explain technical information clearly to stakeholders

• Ability to prioritise workloads, delegate effectively, and manage engineering performance.


• Ability to prioritise tasks under pressure


• Ability to manage time effectively, self motivated

• Flexibility to work in varying environments (weather, remote locations)


• Willingness to work longer hours, weekends, travel to different sites regularly – with ability to claim TOIL


• Valid drivers licence and ability to travel

• Life assurance scheme; help at hand app including employee assistance program; company pension scheme; service recognition; health cash plan; employee referral program; staff ideas inbox; company newsletter, cycle to work scheme; buy/sell annual leave; attendance prize draw.

Pay: £65,000\.00 per year

Benefits:

• Additional leave


• Company pension


• Cycle to work scheme


• On\-site parking


• Referral programme


• Sick pay

• Engineering in the gas industry: 5 years (required)

• Driving Licence (required)


• HNC/HND in Mechanical, Electrical or Process Engineering (required)

• United Kingdom (required)

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