Mott MacDonald Bentley is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley to deliver award winning projects. With an annual turnover surpassing £600 million, Mott Macdonald Bentley cements its position as a leader within the industry. The sustained, robust business performance creates an ideal environment for career growth.
We are currently recruiting for an experienced Site Manager to support the delivery of Capital Delivery projects across Gas Distribution Networks throughout the UK.
This role will primarily focus on gas offtake projects and associated infrastructure upgrades, working alongside major gas network operators and stakeholders. You will play a key role in safely delivering technically challenging projects while maintaining high standards of compliance, quality, and client satisfaction.
Types of Projects
- Gas Offtake Site Re-builds
- Filter Bank Replacements
- Metering System Upgrades
- AGI and PRI Works
- Associated Civil and Mechanical Infrastructure Projects
Key Responsibilities
- Manage day-to-day site operations on gas infrastructure and capital delivery projects
- Ensure all works are delivered safely, efficiently, and in line with project specifications
- Oversee subcontractors, direct labour, and specialist contractors on site
- Ensure compliance with RAMS, permit systems, and client procedures
- Coordinate works on live gas infrastructure sites including AGIs, PRIs, and offtake installations
- Monitor project progress against programme and report updates to senior management
- Manage health, safety, environmental, and quality standards across all activities
- Liaise directly with clients, engineers, suppliers, and operational teams
- Support planning and coordination of temporary works, excavations, reinstatement, and mechanical installations
- Conduct site inspections, toolbox talks, and safety briefings
- Ensure all documentation and site records are maintained accurately
- Travel to project sites across the UK with occasional work away as required
What You’ll Need
- Essential Qualifications & Experience
- SCO 1, 2 & 4 on the Cadent Network or working towards under mentorship
- Experience managing live gas infrastructure works (IP-HP)
- Proven experience managing gas infrastructure or utilities projects
- Previous experience working on Gas Distribution Network projects
- Strong understanding of gas capital delivery works
- SHEA Gas
- SMSTS
- Temporary Works Supervisor
- Full UK Driving Licence
- Strong communication and organisational skills
- Good understanding of CDM Regulations and temporary works procedures
- Desirable Qualifications
- Confined Space Training
- First Aid at Work
- Excavation Safety / Deep Excavation Training
- CPCS or NPORS Plant Tickets
- NRSWA Supervisor
- NEBOSH or IOSH qualifications
What’s In It For You
Alongside our significant training and development investment, bespoke progression plan and support to achieve professional chartership, we offer a wide range of financial, lifestyle, health and wellbeing benefits that you can tailor to your needs. To view our full range of benefits, please see the Bentley benefits brochure attached.
Site Agent - Gas in Leeds employer: JN Bentley
At JN Bentley, we pride ourselves on being an excellent employer, offering a dynamic work culture that fosters collaboration and innovation. Based in Newport, our team enjoys the benefits of working within a stable, forward-looking company that prioritises employee growth through structured training and tailored development opportunities. With a diverse portfolio of projects across the UK, our employees have the chance to make a real impact while enjoying a competitive rewards package and flexible benefits tailored to their individual needs.
