Lead Process Engineer - Associate Director - Water Sector in London

Lead Process Engineer - Associate Director - Water Sector in London

London Full-Time No working from home possible
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At a Glance

  • Tasks: Lead innovative water treatment projects and mentor a dynamic team of engineers.
  • Company: Join Ayesa Engineering, a top global firm shaping the future of infrastructure.
  • Benefits: Enjoy flexible working, competitive salary, and extensive training opportunities.
  • Other info: Be part of an inclusive culture that values diversity and innovation.
  • Why this job: Make a real impact in sustainable engineering while advancing your career.
  • Qualifications: 10+ years in water treatment design and Chartered Engineer status required.

Ayesa Engineering is a leading multidisciplinary engineering and project management firm with more than 60 years of experience shaping the future of the built environment. With more than 3,200 professionals in over 16 countries across the globe, the company offers innovative design, construction supervision, and consulting services in key sectors, including transportation, water, buildings and cities, and energy. A Top 50 Global Engineering firm, Ayesa Engineering is recognised for its technical excellence and its ability to manage complex infrastructure projects for public and private clients, combining deep sector expertise with a commitment to sustainability and cutting-edge solutions.

The Opportunity

We’re looking for a Lead Process Engineer – Associate Director to join our Water Infrastructure Team within the UK, taking a key technical and leadership role in the design, coordination, and delivery of process engineering solutions across water, wastewater, sludge treatment centres, biological and utilities projects. You’ll help shape strategies, mentor engineers, and drive excellence from concept through to commissioning.

What You’ll Be Doing

  • Lead process design for treatment plants, pumping stations, and utility systems.
  • Define process schemes, develop mass balance and hydraulic profiles and calculations, and specify treatment equipment.
  • Ensure compliance with UK regulations and client requirements (DWI, EA, Ofwat, BSI, WIS, IGN, SuDs, etc.).
  • Lead technical reviews, challenge assumptions, and ensure design integrity and performance.
  • Coordinate across civil, mechanical, electrical, and control disciplines in a multidisciplinary environment.
  • Develop and manage PFDs, P&IDs, design reports, and technical specifications.
  • Support BIM and digital design integration within process design workflows.
  • Present and facilitate HAZOP, HAZID, and SIL studies.
  • Lead or support design and build (D&B) projects in collaboration with utilities and delivery partners.
  • Oversee scope, schedule, and budget control to ensure efficient delivery.
  • Provide technical leadership and mentorship to engineers and graduates.
  • Engage directly with clients to shape solutions and lead proposals or bids.
  • Promote innovation, sustainability, and digital best practices within the team.

Key Accountabilities

  • Deliver robust, efficient, and compliant process design solutions.
  • Collaborate effectively within multidisciplinary teams.
  • Manage workload, priorities, and project performance.
  • Ensure adherence to Ayesa’s Integrated Management System (IMS).
  • Represent Ayesa professionally, building strong client relationships.

Requirements

Experience & Qualifications

  • 10+ years’ experience in water, wastewater, or industrial effluent treatment design.
  • Chartered Engineer (CEng) status or equivalent.
  • Degree in Chemical, Process, or Environmental Engineering (Master’s desirable).

Skills & Knowledge

  • Deep understanding of water and wastewater treatment process principles.
  • Proven ability to develop complete process solutions from concept to detailed design.
  • Experience with UK and Ireland industry standards and specifications.
  • Skilled in developing PFDs, P&IDs, and conducting process calculations.
  • Experience leading HAZOP/HAZID workshops and supporting commissioning activities.
  • Strong leadership, coordination, and client engagement skills.
  • Familiarity with BIM, digital design, and sustainable engineering practices.

What’s In It for You

  • Competitive Salary: We offer a competitive salary package to attract and retain top talent in the industry.
  • Flexible Working: Enjoy flexible working hours and hybrid working, allowing you to achieve a better work-life balance.
  • Employer Pension Match Scheme: We offer a pension match scheme to help you secure your financial future.
  • Income Protection: Receive support in safeguarding your income in the event of illness or injury.
  • Life Assurance: Gain peace of mind with life assurance coverage.
  • Training and Development Programme: Access a range of training and development opportunities to enhance your skills and advance your career.
  • Family & Well-Being Support: Benefit from our Enhanced Maternity & Paternity Benefits and our confidential support services to address personal or professional challenges, included in our Employee Assistance Programme.
  • Sports and Social: Engage in our vibrant sports and social activities to foster a sense of community and well-being among our team members.
  • Increased Annual Leave: 25 days’ annual leave plus statutory bank holidays, enjoy increased annual leave entitlements based on years of service.
  • Recognition Awards: Receive recognition for your contributions through our awards program, celebrating achievements and excellence.

We’re Inclusive by Design

Ayesa engineering 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.

Lead Process Engineer - Associate Director - Water Sector in London employer: Ayesa

Ayesa is an exceptional employer for aspiring Graduate Environmental Consultants, offering a dynamic work culture that prioritises sustainability and innovation. With a strong commitment to employee development, you will have access to numerous growth opportunities and the chance to work on impactful projects in a collaborative environment. Located in a vibrant area, Ayesa provides unique advantages such as flexible working arrangements and a supportive team atmosphere, making it an ideal place for meaningful and rewarding employment.

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Contact Details:

Ayesa Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Lead Process Engineer - Associate Director - Water Sector in London

Get Involved in Local Environmental Initiatives

Dive into your local environmental scenes, like community clean-up projects or eco-focused events. Not only will you meet like-minded people, but it's a surefire way to showcase your passion and skills in environmental engineering tech.

Join Industry-Specific Organisations

Check out organisations like the Institution of Environmental Engineers for networking opportunities and resources. They often host events and seminars that can help us connect with key players in the industry, including potential employers like Ayesa.

Show Off Your Projects and Passion

Create a portfolio that highlights any relevant projects, whether it's coursework, internships, or personal initiatives. Share this online, perhaps even on platforms like GitHub or your own website, to grab the attention of hiring managers looking for talent like us.

Utilise Environmental Job Boards

Take advantage of niche job boards dedicated to environmental careers. Sites like Green Jobs, Environmental Career and EcoJobs often feature openings from companies like Ayesa and can help us land that full-time gig.

We think you need these skills to ace Lead Process Engineer - Associate Director - Water Sector in London

Process Design
Water and Wastewater Treatment Principles
Mass Balance Calculations
Hydraulic Profiles
PFD Development
P&ID Development
HAZOP and HAZID Facilitation

Some tips for your application 🫡

Show Off Your Technical Skills:When applying for a role in environmental engineering tech, make sure to highlight your technical skills like CAD software proficiency, data analysis, or modelling techniques. These are essential for the job and should stand out in your CV and cover letter, showing how you can contribute to projects at Ayesa.

Demonstrate Your Passion for Sustainability:In this field, showcasing your passion for sustainability and environmental protection can set you apart. Include any relevant projects, volunteer experience, or courses that underline your commitment to these causes. Ayesa will appreciate candidates who genuinely care about making a difference.

Tailor Your Application to the Role:Don't just send a generic CV and cover letter. Make sure to tailor your application to the specific role of Lead Process Engineer - Associate Director - Water Sector at Ayesa. Highlight experiences that align directly with the job description and give concrete examples of your work to demonstrate that you’re the right fit for a full-time position.

Include Relevant Certifications:If you have certifications related to environmental engineering or technology, like LEED Accreditation or any relevant software certifications, make sure to mention them. These qualifications can boost your application and show that you’re serious about your professional development in this competitive field.

How to prepare for a job interview at Ayesa

Brush Up on Environmental Regulations

Make sure you’re well-versed in the latest environmental regulations and standards. In an environmental engineering tech role at Ayesa, you might be asked specific questions about compliance measures, so understanding these will definitely give you an edge.

Showcase Your Technical Skills

Prepare to demonstrate your proficiency with relevant tools and software, such as AutoCAD or GIS. You might be given a practical problem to solve during the interview, so it’s a great idea to brush up on these skills and perhaps even bring a portfolio of your projects to showcase your technical prowess.

Highlight Your Passion for Sustainability

In a full-time role, employers are looking for commitment and enthusiasm. Share your experiences, studies, or projects that reflect your passion for environmental sustainability. This will show Ayesa that you're not just qualified but genuinely invested in the field.

Prepare for Behavioural Questions

Be ready for behavioural questions that assess how you handle teamwork, conflict, and project management. Think of examples from your studies or practical experiences where you tackled challenges effectively, showcasing both your technical and interpersonal skills.