About the roleThe Role
Ready to take ownership of a critical operational site and lead a team that keeps essential services running smoothly?
We're looking for a driven and knowledgeable Treatment Plant Manager to join our growing Tanker Services division. If you're passionate about environmental compliance, operational excellence, and leading people and you want to make a real impact in a fast‑expanding part of the business, this could be the opportunity you've been waiting for.
As a Treatment Plant Manager, you'll oversee the safe, compliant, and efficient operation of GAP's liquid waste treatment plants. You'll manage treatment throughput, ensure regulatory compliance, lead site staff, and work closely with internal teams and external partners to keep everything running at peak performance. This is a high‑responsibility role where your decisions directly influence safety, sustainability, and customer satisfaction.
This is a hands-on leadership position offering genuine career progression in a company that invests in its people and empowers them to succeed.
Please note the role will be predominantly based in the Bristol area, with eventual travel across the South Region. About You
What You'll Be Doing
• Responsibility for running the treatment plant safely, efficiently, and in full compliance with environmental and regulatory standards.
• Managing daily waste throughput, coordinating tanker deliveries, monitoring plant performance, and keeping accurate operational records.
• Maintaining accurate documentation, including Waste Transfer Notes, Consignment Notes, and all site records.
• Leading and developing the site team
• Working closely with internal stakeholders and external partners, supporting customer engagement to maximise plant utilisation, and driving continuous improvement across all treatment operations.
What You'll Bring
We're looking for someone with strong operational leadership skills and a commitment to safety and compliance, including:
• Proven experience managing treatment plant operations, waste facilities, or similar regulated environments
• Strong understanding of environmental legislation, waste regulations, and site safety requirements
• Experience leading teams and developing staff
• Experience maintaining system records for audit purposes
• HROC06 WAMITAB qualification (essential)
• A full, valid driving licence is essential About Us
About GAP and What We Offer
You'll be joining an industry leader that's growing and genuinely committed to your success. At GAP, we're proud to be the UK's leading equipment hire provider—supporting projects big and small across construction, infrastructure, events, and more. With nearly 200 locations nationwide and a wide range of specialist divisions, we offer exciting opportunities in everything from Plant and Tools to Lifting, Survey, Pumps, Power and Environmental, and Event Services.
As a family-run business with over 50 years of experience, we believe in doing things the right way. That means:
• More investment in our equipment than anyone else in the industry, so you work with the best tools in the game
• Remaining fully independent, which lets us make agile, long-term decisions that support your success
• Offering real career growth, training, and development from day one
• Support that values you – from generous holidays to Life Assurance and Health & Wellness Support
Whether you're hands-on or customer-focused, there's a place for you at GAP where your work makes a difference. If you're up for the challenge and want to feel valued at work, then we'd love to hear from you! Ready to get started? Upload your CV and complete our short application—we'll take it from there.
We're proud to be an Equal Opportunities employer and embrace the unique contributions each individual brings
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