Associate Mechanical Engineer – Water Infrastructure
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📍 Location: London (Hybrid) | 🛠️ Department: Water Infrastructure | Reports to: UK Water Technical Director | Type: Full‑Time | Experience: 10+ Years | 🌍 Industry: Water, Utilities & Infrastructure Engineering
Engineer the Future of Water Infrastructure Systems
At Ayesa, we’re driving innovation in the design and delivery of sustainable water and wastewater infrastructure. Our Mechanical Engineers play a key role in delivering efficient, resilient, and low‑carbon engineering solutions across major UK utilities and infrastructure projects.
We’re looking for an experienced Associate Mechanical Engineer to lead design teams, oversee project delivery, and ensure technical excellence across the Water Infrastructure division.
The Opportunity
As an Associate Mechanical Engineer, you’ll lead multidisciplinary design teams in the delivery of mechanical systems for water, wastewater, sewage treatment plants, pumping stations, and network infrastructure. You’ll oversee design coordination, manage client relationships, and support the continued development of Ayesa’s UK Water Infrastructure capability.
What You’ll Be Doing
* Lead mechanical design and delivery for water, wastewater, sewage and utility infrastructure projects
* Oversee design management, quality reviews, and integration with civil, electrical, and process disciplines
* Prepare technical specifications, mechanical schedules, and tender documentation
* Assist in appointment of specialist contractors and manage their contracts to meet cost, time, quality & safety requirements
* Collaboratively work with the design team, project management team, construction team, and supply chain to provide mechanical installation expertise
* Ensure all relevant standards, regulations and codes of practice are adhered to throughout the project life cycle
* Manage the creation of the mechanical installation and procurement strategy to ensure team responsibilities are clear
* Monitor and report on all progress on a weekly and monthly basis, taking action to maintain delivery to time, cost, quality and safety requirements
* Lead buildability, risk, opportunity and value engineering reviews
* Develop new ways of working, reduce carbon, increase biodiversity, address climate change, and embrace innovations and new digital technologies
Requirements
* Degree in Mechanical Engineering or a related discipline
* Chartered Engineer (IMechE or equivalent) or working towards chartership
* 10+ years’ experience delivering mechanical designs for water, wastewater, or utilities projects
* Demonstrated competence in mechanical and instrumentation design in the water/wastewater industry environment
* Good understanding of modular build construction processes and procedures, and experience of mechanical, electrical, instrumentation, control and automation (MEICA) systems
* Experience leading multidisciplinary design delivery within D&B or consultancy environments
* Strong understanding of UK design standards, WIMES, codes, and CDM regulations
Skills & Strengths
* Excellent communication and leadership skills
* Strong knowledge of pump systems, mechanical equipment selection, and plant design
* Ability to manage budgets, resourcing, and client expectations
* Experience with BIM and digital design platforms (e.g., Revit, AutoCAD Plant 3D)
* Collaborative approach to problem solving and design delivery
Bonus Points For
* Experience with major UK water utilities or regulated frameworks
* Knowledge of sustainable design techniques and low‑carbon technologies
* Experience supporting bids and business development activities
What’s In It for You
* Competitive Salary commensurate with skills and experience
* Hybrid Work Model (2–3 days from home)
* Flexible Hours 37.5 per week (Core: 10am–4pm Mon–Thu, 10am–3pm Fri)
* Pension Matching & Financial Planning Support
* Income Protection & Life Assurance
* Professional Development and Chartership Support
* Employee Assistance Programme (EAP)
* Sustainability & Innovation‑Focused Culture
* Socials, Recognition Awards & Wellbeing Initiatives
* Generous Annual Leave with Additional Days Based on Service
We’re Inclusive by Design
Ayesa is proud to be an equal opportunity employer. We value and celebrate diversity in all its forms, including but not limited to age, disability, gender identity, race, religion or belief, sex, sexual orientation, and socio‑economic background or neurodiversity. We believe that a diverse workforce fosters innovation and stronger outcomes. We are committed to inclusive hiring practices, providing reasonable adjustments for applicants and employees with disabilities, and ensuring equal access to opportunities for learning, development, and progression across our organisation.
Seniority level: Mid‑Senior level | Employment type: Full‑time
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