Senior Process Hydraulic Design Engineer

About Glanua Glanua is an industry leader in providing innovative and sustainable engineering solutions to design, build, operate and maintain critical water and wastewater infrastructure across Ireland and the UK.
We are a trusted provider to the municipal and industrial sector where our clients include Ireland and the UK's largest water utilities, Uisce Éireann (formerly Irish Water), Thames Water, Yorkshire Water, Affinity Water and Northern Ireland Water.
Glanua is passionate about solving today's environmental challenges and delivering a decarbonised and sustainable world.
We know that to build successful creative teams we need a diverse workforce that can deliver new innovative ways of thinking.
We provide an environment where you will have the freedom to develop and grow to your full potential.
We champion our core values and uphold the highest standards of Safety and Well‐being, Innovation, Integrity, Collaboration, Courage, Agility, Accountability, Diversity and Inclusion in everything we do.
We have a talented team of 450 people across Ireland and the UK and are rapidly expanding our workforce across several disciplines to meet our ambitious growth plans.
The Role
We are seeking a technical delivery‐focused Senior Process & Hydraulic Engineer who will report directly to the Design Lead, responsible for delivering defined packages of work.
In this role, you will play a pivotal part in delivering water and wastewater infrastructure projects from concept through to construction, commissioning, and operations.
You will take ownership of developing robust engineering design solutions that meet client requirements and ensure successful project outcomes through to process commissioning, under the guidance of the Design Lead.
Working as part of a multi‐disciplinary engineering team, you will operate within a collaborative "one‐team" culture while actively developing your technical skills and gaining early‐career engineering experience.
Your primary focus will be on Process, Mechanical, and Hydraulic Design, while engaging with and managing inputs from other disciplines, including Mechanical, Electrical, Instrumentation, Control & Automation (MEICA), as well as civil and structural engineering.
Main Duties and Responsibilities Strategic Design Role
This role is a technical delivery‐focused position, operating with a high degree of autonomy while working under the direction of the Regional Process & Hydraulic Design Lead.
The Senior Engineer is responsible for coordinating and delivering defined packages of work, coordinating with other disciplines, and supporting intermediate level and junior engineers.
Develop high‐impact design initiatives that enhance project outcomes and organisational capability.
Establish and refine consistent, efficient, and high‐quality design workflows across all projects.
Line Management & Talent Development
Mentor, coach, and develop engineers and designers at all levels, enhancing technical capability, decision‐making, and leadership skills.
Provide effective line management to the design team, including performance management, and design task control.
Promote a culture of innovation, sustainability, and continuous improvement within the design function.
Support coordination of design tasks within the design team, including workload planning, and resource control.
Support and collaborate engineers and designers at all levels enhancing technical capability, decision‐making and informal mentoring to junior team members.
Foster a collaborative, knowledge‐sharing culture that prioritises technical excellence, professional development and informal mentoring to junior team members.
Technical Design, Engineering & Equipment Assessment
Oversee and develop detailed technical assessments of process and mechanical equipment, ensuring appropriate specification, performance, and integration into system designs.
Manage technical interfaces across MEICA disciplines, coordinating input from Mechanical, Electrical, Instrumentation, Control & Automation teams to produce fully integrated, clash‐free design solutions.
Work closely with ACC (Advanced Control & Communications) teams to develop intelligent, data‐rich P&IDs and ensure accurate control‐system integration within the design.
Develop and review process and hydraulic calculations across chemical, physical, and biological treatment processes.
Produce and review technical deliverables, including:
Process & Mechanical Design Reports
Concept site Layouts
Intelligent P&IDs and PFDs
Equipment selection and specifications
Whole Life Cost Assessments
Hydraulic & process calculations
Hydraulic Profiles
Energy balances
Control philosophies and automation logic inputs
Motor & Instrument Lists
Constructability Assessments
Construction Sequence Narratives
Process Impact Plans (PIP