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Wastewater Treatment Plant Manager

Department: Technical
Type: Permanent - Full Time
Hours: 37.5 hours per week
Location: Stowmarket, Suffolk, United Kingdom
Salary: Competitive

A Little Bit About Us….

Muntons is a significant global supplier to the food and drinks industry, producing high-quality malt and malted ingredients for over 100 years. Our products are enjoyed by customers ranging from multinational food and beverage producers to start-ups and small independent craft brewers and distillers. You’re likely to have tasted our products already without even realising it! Our headquarters are in Suffolk, with additional production sites in East Yorkshire and Thailand, along with sales offices in Asia, Europe, and America. We are passionate about malt, malted ingredients, and sustainability; as leaders in our field, we are well on our way to meeting or exceeding our net zero carbon target by 2050. We are committed to ensuring a strong and sustainable future for the next 100 years as a global supplier of malt and malted ingredients.

What we are looking for:

Are you an experienced wastewater professional ready to lead treatment operations? We’re looking for a Wastewater Treatment Plant Manager to oversee the efficient and compliant running of our aerobic and anaerobic treatment facilities, including advanced systems such as Membrane Bioreactor (MBR) and Reverse Osmosis (RO).

What You’ll Do

  • Operational Management:
    • Manage day-to-day operations of aerobic and anaerobic plants for optimal performance.
    • Ensure compliance with EA discharge permits and environmental legislation.
    • Monitor and report on effluent quality, energy efficiency, and plant reliability.
  • Maintenance & Reliability:
    • Develop preventative maintenance schedules for all assets, including CHP engines.
    • Coordinate planned and reactive maintenance to minimise downtime.
    • Manage spare parts inventory and supplier relationships.
  • Capital Projects & Continuous Improvement:
    • Lead or support plant upgrades, capacity expansions, and technology improvements.
    • Identify opportunities for process optimisation and cost reduction.
    • Prepare business cases and technical specifications for new equipment.
  • Compliance & Reporting:
    • Maintain accurate records for audits and regulatory compliance.
    • Liaise with the Environment Agency and other stakeholders.
    • Implement robust risk management practices.
  • Team Leadership:
    • Supervise and develop a small team of operators and technicians.
    • Foster a culture of safety and continuous improvement.
    • Provide training and competency development.
  • Waste Management:
    • Attain WAMITAB accreditation.
    • Support waste minimisation and resource recovery initiatives.

What We’re Looking For

  • Leadership: Proven ability to lead and develop teams.
  • Technical Expertise: Strong knowledge of aerobic/anaerobic processes, CHP systems, and advanced technologies (MBR/RO).
  • Qualifications: Degree in Environmental or Chemical Engineering (or equivalent experience).
  • Experience:
    • Managing wastewater treatment operations in a manufacturing or processing environment.
    • Delivering maintenance schedules and capital projects.
    • Regulatory compliance and audit management.
  • Skills: Analytical, problem-solving, and excellent communication skills.

Key Performance Indicators

  • Compliance with EA permits and environmental legislation.
  • Efficient plant performance and energy management.
  • Accurate reporting for QSHE Board submissions.

What We Offer:

  • Competitive rate of pay.
  • Company pension contribution at 5%
  • Health Cash Plan with Reward Scheme
  • Life Assurance
  • Company profit-based bonus
  • Flexible working arrangements
  • myStaffShop membership

Why Muntons?

Joining Muntons means becoming part of a legacy that spans over a century in the malt industry, where innovation, sustainability, and excellence are at the heart of what we do. As the Wastewater Treatment Plant Manager, you will have the opportunity to lead a talented team, drive continuous improvement, and make a lasting impact on our operations. If you are a motivated and experienced professional with a passion for engineering excellence, Muntons is the place for you.


File Downloads:
Closing Date: Saturday, 13th December 2025
apply for this vacancy

The Company’s production processes operate in accordance with BRC Food Factory hygiene requirements. As such, all jewellery including rings, chains, watches, earrings or body piercings etc. are prohibited from being worn in any production, packing or despatch areas of the factory. Additionally protective equipment including hair nets and if appropriate beard snoods are required to be worn in these areas.

The Company also operates a complete ban on smoking in any building, site or vehicle owned or controlled by the Company and takes a zero tolerance approach to breaches of this policy. Equally the Company does not permit the use of electronic cigarettes or nicotine inhaler devices. Most shifts are of 8 or 12 hour duration with little or no opportunity to leave site during the working day. If you smoke and cannot abstain from smoking for this period of time, please carefully consider the appropriateness of any application you make for employment with us.

If you require any further information please email: hr@muntons.com