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- Tasks: Lead innovative wastewater treatment strategies to protect public health and the environment.
- Company: NI Water, committed to becoming a World Class utility.
- Benefits: Competitive salary, generous leave, flexible working, and wellness programmes.
- Other info: Join a dynamic team with opportunities for professional growth and development.
- Why this job: Make a real impact on society and the environment while advancing your career.
- Qualifications: Relevant qualification and experience in wastewater treatment project management.
The predicted salary is between 44264 - 59018 £ per year.
The Wastewater Treatment Solutions Manager plays a critical role in protecting public health and upholding environmental standards across Northern Ireland. This position leads the development, implementation, and optimisation of wastewater treatment strategies, ensuring NI Water’s assets operate efficiently, sustainably, and in full compliance with statutory and regulatory obligations. Combining technical acumen, regulatory awareness, and strategic foresight, the role directly supports NI Water’s ambition to become a World Class utility — one that is smarter, more resilient, carbon neutral, and operationally excellent. It also contributes to wider societal outcomes, including a healthier population, a growing economy, and a flourishing natural environment.
Key personal responsibilities include:
- Identifying and prioritising enhancement needs across wastewater treatment works (WWTWs) and major pumping stations
- Diagnosing root causes of performance or compliance issues
- Leading the optioneering and evaluation of technically and economically viable solutions
- Defining and specifying key engineering parameters to inform investment planning and delivery
Applicants MUST be able to demonstrate in their application and where necessary at interview:
ESSENTIAL CRITERIA- Candidates must be able to provide proof of qualification by application closing date A 3rd level qualification (e.g. HNC/HND/Degree) or equivalent in a relevant area e.g. scientific, engineering, business related subjects AND a minimum of 3 years’ experience in Wastewater treatment, leading projects with evidence of delivering successful outcomes against agreed objectives, and budget in excess of £100k. OR (in the absence of a 3rd level qualification) A minimum of 5 years’ experience in Wastewater Treatment, leading projects with evidence of delivering successful outcomes against agreed objectives, and budget in excess of £100k.
- Demonstrable experience of defining, documenting and delivering complex wastewater treatment solutions, including business case approval, securing external support, delivery of key project plans and management reports.
- Demonstrable experience in assisting to develop and document new or revised Business Processes and Policy Documentation.
- Proficient in the use of IT including Excel, Visio, PowerPoint, Word and Power BI (or equivalent application) with experience in using data analytics to inform decision making.
- Professional Qualification through ICE, CIWEM or Engineers Ireland or equivalent
What is on Offer
SalaryThis Band 4 role offers a competitive remuneration package with a salary scale of £44,264 - £59,018 per annum (pay award pending). The starting salary will normally be at the first point of the scale. Salaries are reviewed annually effective 1st April.
LocationWestland, 40 Old Westland Road, Belfast, BT14 6TE.
What we Offer- Generous annual leave and public/privilege holidays
- Flexible working and family friendly policies
- Hybrid Working (applicable to some of our roles after three months following onboarding and training)
- Occupational sick pay
- Employee assistance programmes
- Cycle to work scheme
- One of the largest corporate volunteering schemes in NI
- Award winning health and wellbeing programme which focuses on supporting four key area of employee health; Physical, Mental, Social and Financial
How to Apply
To submit your application, please click the APPLY icon. For additional information about the role please download a Candidate Brief, available below. Closing date for submission of Applications: Monday 18th May 2026 10.00am Interview Dates: Friday 29th May 2026, Monday 1st June 2026
Wastewater Strategy Treatment Solutions Manager in Belfast employer: NI Water
Contact Detail:
NI Water Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Wastewater Strategy Treatment Solutions Manager in Belfast
✨Tip Number 1
Network like a pro! Reach out to industry contacts, attend relevant events, and join online forums. The more people you know in the wastewater treatment field, the better your chances of hearing about job openings before they’re even advertised.
✨Tip Number 2
Prepare for interviews by researching NI Water’s current projects and challenges. Show us that you’re not just interested in the role but also passionate about contributing to their mission of becoming a World Class utility.
✨Tip Number 3
Practice your pitch! Be ready to explain how your experience aligns with the key responsibilities of the Wastewater Strategy Treatment Solutions Manager. Highlight your successes in leading projects and delivering results on time and within budget.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, it shows us you’re serious about joining the team and making a difference in wastewater treatment.
We think you need these skills to ace Wastewater Strategy Treatment Solutions Manager in Belfast
Some tips for your application 🫡
Show Off Your Qualifications: Make sure to highlight your qualifications right at the start. We want to see that you meet the essential criteria, so don’t be shy about showcasing your 3rd level qualification or relevant experience in wastewater treatment.
Be Specific About Your Experience: When detailing your experience, focus on specific projects you've led. We love seeing evidence of successful outcomes, especially those involving budgets over £100k. Use numbers and examples to make your case strong!
Demonstrate Your Technical Skills: Don’t forget to mention your IT skills! We’re looking for proficiency in tools like Excel, PowerPoint, and Power BI. If you’ve used data analytics to inform decisions, share those experiences with us.
Apply Through Our Website: Remember, the best way to apply is through our website. It’s straightforward and ensures your application gets to us directly. Plus, you can find all the info you need about the role there!
How to prepare for a job interview at NI Water
✨Know Your Stuff
Make sure you brush up on your technical knowledge related to wastewater treatment. Be ready to discuss specific projects you've led, the challenges you faced, and how you overcame them. This role requires a solid understanding of engineering principles, so be prepared to showcase your expertise.
✨Showcase Your Experience
Prepare examples that highlight your experience in defining and delivering complex wastewater treatment solutions. Use the STAR method (Situation, Task, Action, Result) to structure your responses, ensuring you clearly demonstrate how your contributions led to successful outcomes.
✨Be Data Savvy
Since proficiency in IT and data analytics is crucial for this role, be ready to discuss how you've used tools like Excel or Power BI in your previous projects. Share specific instances where data-driven decisions improved project outcomes or compliance.
✨Align with Their Vision
Understand NI Water’s ambition to become a World Class utility. Think about how your skills and experiences align with their goals of sustainability and operational excellence. Be prepared to discuss how you can contribute to these objectives during the interview.