JO
Water Process Engineer
- Hiring from
- Ireland
- Work type
- Hybrid
- Posted
- Oct 4, 2026
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The Vacancy
We are currently seeking a full-time Water Process Engineer with experience in designing water and wastewater infrastructure for Water Utilities and Contractors to join our growing team in Sligo, Ireland.
Jennings O'Donovan Partners, part of the RSK Group, is a leading engineering consultancy specializing in renewable energy, water supply/treatment, and wastewater treatment. With decades of experience, we are committed to delivering sustainable solutions for the public and private sectors.
Key Responsibilities:
About Us
We are a skilled, multidisciplinary consulting engineering firm specialising in renewable energy, water supply, wastewater treatment and planning and environmental services. Located in Co. Sligo, Republic of Ireland, Jennings O’Donovan began in 1950. Today, our workforce of more than 100 includes design engineers, planners, project managers, environmental scientists and resident engineers. We work with local authorities, water and power utilities, developers and industries in Ireland and overseas to help co-create solutions. Recent projects include the Meenadreen and Nysäter wind farms in Sweden and Lumcloon battery energy storage facility and the Lough Rynn international rowing course in Ireland.
From our headquarters in Sligo and an office in Dublin, we provide engineering, environmental and business expertise for renewable energy and infrastructural projects. We act as technical advisers to lending and banking institutions operating in the renewable energy sector and have significant experience in cost estimation, conciliation and dispute resolution.
Jennings O’Donovan is part of the RSK Group, a leading integrated environmental, engineering, and technical services business providing dynamic, multidisciplinary services to a wide range of sectors. RSK was founded in 1989 and has grown considerably since then.
At RSK, we operate as a group of businesses that work together seamlessly, aiming for growth through diversification. Our strategy helps us build a strong and resilient business, capable of weathering external challenges, while also providing greater value to our clients and more opportunities for our employees.
Since the beginning, our philosophy has remained the same: employ, develop and reward talented individuals. People are crucial to our company, and we recognise that our success hinges on our colleagues' growth. We're committed to preserving RSK's people-first culture, promoting innovation, and fostering a supportive and caring environment for collaboration. At RSK, we want you to be part of our successes and help you reach your career aspirations. We take pride in offering employees fulfilling and challenging careers by promoting ongoing growth and empowering individuals to excel.
We are committed to fostering an inclusive workplace that welcomes individuals from all backgrounds, experiences, and perspectives. We firmly believe that embracing and celebrating the diversity in our workforce makes us a stronger and more innovative company.
If you're passionate about making a difference, join us as we work together to build a brighter, more equitable, and sustainable future for all. Do you have what it takes?
We are currently seeking a full-time Water Process Engineer with experience in designing water and wastewater infrastructure for Water Utilities and Contractors to join our growing team in Sligo, Ireland.
Jennings O'Donovan Partners, part of the RSK Group, is a leading engineering consultancy specializing in renewable energy, water supply/treatment, and wastewater treatment. With decades of experience, we are committed to delivering sustainable solutions for the public and private sectors.
Key Responsibilities:
- Deliver civil and hydraulic engineering designs, ensuring compliance with relevant standards, including Uisce Éireann and/or UK AMP8 Utilities’ specifications.
- Prepare detailed engineering calculations (including hydraulic modeling, pipe sizing, and pump selections) and technical or design reports for various project stages, from feasibility to detailed design.
- Assist Senior Engineers in the full project lifecycle, including the preparation of planning applications, procurement documentation, and technical specifications.
- Coordinate with multidisciplinary teams (Structural, MEP, and Process) to ensure integrated, holistic design solutions for treatment plants and networks.
- Conduct site inspections, asset surveys, and produce related technical reports, ensuring strict compliance with company quality assurance procedures.
- Utilise industry-standard design and modelling software to produce efficient, sustainable, and accurate civil engineering outputs.
- Actively engage in mentorship from senior staff while providing guidance to junior engineers and technicians.
- Qualification: Minimum Level 8 qualification in Civil Engineering or Environmental/Water Resources Engineering.
- Experience: Minimum of 4 years of relevant work experience in a design consultancy, with a proven track record in water supply, wastewater treatment, and/or drainage infrastructure design.
- Technical Skills: Proven competency in civil infrastructure design, hydraulic analysis, and the application of relevant Irish and British industry standards. Proficiency in industry-standard design/modeling software (e.g., AutoCAD, MicroDrainage/Causeway, InfoWorks, or similar) is essential.
- Industry Knowledge: Familiarity with Uisce Éireann standards, procedures, and self-lay processes, and/or experience working within UK AMP Frameworks is highly desirable.
- Professional Skills: Experience in dealing with clients, local authorities, and stakeholders.
- Soft Skills: Strong interpersonal skills, a proactive attitude with the ability to manage multiple tasks, and the ability to work effectively under tight deadlines.
- Communication: Excellent verbal and written communication skills in English.
- Competitive salary and benefits package.
- Professional membership fees covered and a strong CPD commitment.
- Flexible and hybrid working arrangements.
- Opportunities to work on a variety of exciting projects with a focus on sustainability and innovation.
- Mentorship and career development opportunities within a supportive, dynamic team.
- Collaborate with leading professionals across the broader RSK Group water sector in both Ireland and the UK.
- A vibrant and dynamic work culture with clear paths for growth and advancement.
About Us
We are a skilled, multidisciplinary consulting engineering firm specialising in renewable energy, water supply, wastewater treatment and planning and environmental services. Located in Co. Sligo, Republic of Ireland, Jennings O’Donovan began in 1950. Today, our workforce of more than 100 includes design engineers, planners, project managers, environmental scientists and resident engineers. We work with local authorities, water and power utilities, developers and industries in Ireland and overseas to help co-create solutions. Recent projects include the Meenadreen and Nysäter wind farms in Sweden and Lumcloon battery energy storage facility and the Lough Rynn international rowing course in Ireland.
From our headquarters in Sligo and an office in Dublin, we provide engineering, environmental and business expertise for renewable energy and infrastructural projects. We act as technical advisers to lending and banking institutions operating in the renewable energy sector and have significant experience in cost estimation, conciliation and dispute resolution.
Jennings O’Donovan is part of the RSK Group, a leading integrated environmental, engineering, and technical services business providing dynamic, multidisciplinary services to a wide range of sectors. RSK was founded in 1989 and has grown considerably since then.
At RSK, we operate as a group of businesses that work together seamlessly, aiming for growth through diversification. Our strategy helps us build a strong and resilient business, capable of weathering external challenges, while also providing greater value to our clients and more opportunities for our employees.
Since the beginning, our philosophy has remained the same: employ, develop and reward talented individuals. People are crucial to our company, and we recognise that our success hinges on our colleagues' growth. We're committed to preserving RSK's people-first culture, promoting innovation, and fostering a supportive and caring environment for collaboration. At RSK, we want you to be part of our successes and help you reach your career aspirations. We take pride in offering employees fulfilling and challenging careers by promoting ongoing growth and empowering individuals to excel.
We are committed to fostering an inclusive workplace that welcomes individuals from all backgrounds, experiences, and perspectives. We firmly believe that embracing and celebrating the diversity in our workforce makes us a stronger and more innovative company.
If you're passionate about making a difference, join us as we work together to build a brighter, more equitable, and sustainable future for all. Do you have what it takes?