Let’s find your next opportunity​

{{ job.job_posting_title }}
{{item.trim() }} {{item.trim() }} {{item.trim() }}
{{ job.job_posting_title }}

{{ job.is_cms_job ? (job.cities.split(';').length > 1 ? 'Various locations' : job.location_mappings[0]) : (job.location_mappings.length > 1 ? 'Various locations' : job.location_mappings[0]) }}

saved
viewed

Senior/Principal Mechanical Engineer

Manchester, England, United Kingdom | Leeds, West Yorkshire, England, United Kingdom | Newcastle upon Tyne, Tyne and Wear, England, United Kingdom | Belfast, Northern Ireland, United Kingdom | Glasgow, Scotland, United Kingdom

Overview

Shape the Future of our cities and environments.

Are you a Mechanical Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projects?

Join AtkinsRéalis and take a leading role in shaping the future of our cities and environments.

We are looking for an energetic and experienced Senior/Principal Mechanical Engineer to join our team within the Design & Advanced Technology (D&AT) Practice of AtkinsRéalis. You'll be part of a talented, multi-disciplinary team delivering cutting edge, iconic projects to our Water market clients – clients such as United Utilities, Yorkshire Water, Scottish Water, Northern Ireland Water, as well as other regional water authorities.

As a key member of our team, you'll play a vital role in delivering transformational programmes for critical UK infrastructure, with opportunities to work on landmark engineering projects both domestically and internationally. We're committed to providing industry-leading solutions throughout the project lifecycle, adding value through client-side and construction-phase support.

Become part of a team where every voice matters, and together we can tackle our clients' toughest challenges. We foster a diverse and inclusive environment where world-class talent thrives without boundaries. For us, collaboration isn't'a buzzword. We value the different perspectives our people bring and recognise everyone for their contributions equally.

We also know that different people have different priorities, which is why we're here to support you with whatever you need.

We offer hybrid working which involves 3 days per week being office/site based. This position is based in our Belfast, Edinburgh, Glasgow, Leeds, Manchester or Newcastle offices.

Your role

The role will offer a challenging and rewarding opportunity to apply knowledge, experience, and problem-solving skills whilst providing good opportunities for career development.

As Senior/Principal Mechanical Engineer in the D&AT practice, the successful candidate would have the following responsibilities:

  • Coordinate or manage a team of Mechanical engineers for delivery of technical design work on complex multi-disciplinary projects following relevant national and project specific design codes and standards, and to high-quality levels in areas such as pumping systems and water & wastewater treatment design.
  • Responsible for producing and reviewing technical deliverables such as design reports, drawings, calculations, and scopes of work with defined scope.
  • Provide technical input into project design deliverables for Mechanical aspects of complex multi-disciplinary projects and work with the project management team to successfully manage time and budgets to key project milestones and programmes.
  • Collaborate with client, operational, project, or service activities within your immediate team and other related AtkinsRéalis teams.
  • Provide mentorship to less experienced colleagues and help to grow the Mechanical Engineering capabilities within the local team.
  • Work independently with minimal technical guidance. Exercise personal judgement to solve difficult problems where appropriate and provide guidance to junior team members.
  • Provide technical support for bid proposals.
  • Work closely with a multi-disciplinary team in the UK and overseas to deliver integrated design solutions.
  • Adhere to quality assurance standards in design including check and review of own work as well as others.
Water Engineering

Location

Various locations

Job Type

Full time

Ref

R-152591

Salary range

-

Ritwi Chatterjee

[email protected]

Ritwi Chatterjee

Hi there, I'm Ritwi Chatterjee and I manage this role

Message me

About you

  • A degree in Mechanical Engineering or equivalent.
  • Chartered or Incorporated Mechanical Engineer.
  • Proven experience in coordinating or managing a Mechanical engineering design delivery team for a design consultancy including within a multi-disciplinary environment.
  • Takes broad perspective to identify innovative solutions to design problems.
  • The role requires comprehensive knowledge and proven practical experience in the design integration of a wide range of mechanical equipment, including pumps, blowers, screens, and chemical dosing systems. Additionally, it demands a thorough understanding of current UK design standards, relevant legislation, and established industry practices.
  • Practical knowledge of current design codes and standards as well as industry best practices, including a strong understanding of legislation such as CDM and DSEAR.
  • Ability to work independently with minimal technical guidance.
  • Proficiency in applicable analytical software and related tools.
  • Experience in Water market is preferable.
  • Demonstrates strong communication skills, with the ability to convey technical concepts clearly and effectively within diverse multi-disciplinary teams.
  • A proactive, highly motivated mindset with a collaborative approach to drive teamwork and shared success across projects.

Meet some but not all of the criteria? We'd still love to hear from you! Please submit your CV along with a cover letter letting us know your motivation for applying and highlighting how your skills and experience align with the role.

Why choose AtkinsRéalis?

Why choose AtkinsRéalis?

Wherever you are in your career – and whoever you are – AtkinsRéalis is for you. Here, support and collaboration are a vibrant part of a culture that lets you choose where – and how far – your career can go. Take on projects that push boundaries and drive sustainable impact, surrounded by colleagues who believe there's no limit to how brilliant you can be. It's time to join a like-minded team where you'll be rewarded, supported, and free to be your kind of brilliant.

Reward & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

Be rewarded. Find out more.

Discover life in the Water practice in the UK

Working in the UK Water practice means collaborating with technical experts from across the globe

Discover life in the Water practice in the UK

About AtkinsRéalis

About AtkinsRéalis

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Additional information

Security clearance

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.

We are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.

#DAT#LI-UKI

Related jobs

Project Planner/Scheduler
Clean power Risk Management & Project Controls Full time
Project Planner/Scheduler

St.John's, Newfoundland and Labrador, Canada

Project Director
Nuclear Project & Programme Management Full time
Project Director

Paris, France

Senior/Principal Ecologist with Ornithology Specialism
Environment & geoscience Sciences Full time
Senior/Principal Ecologist with Ornithology Specialism

Various locations

Senior/Principal Ecologist with BNG Specialism
Environment & geoscience Health, Safety, Environment & Wellbeing Full time
Senior/Principal Ecologist with BNG Specialism

Various locations

Senior/Principal Design Manager for Design & Build
Water Engineering Full time
Senior/Principal Design Manager for Design & Build

Various locations

Resident Engineer – Iconic / Interchange / Special Stations
Cities & development Construction Full time
Resident Engineer – Iconic / Interchange / Special Stations

Dubai, Dubai, United Arab Emirates

AVEVA E3D Administrator
Full time
AVEVA E3D Administrator

Various locations

Associate Director
Project & Programme Management Full time
Associate Director

Various locations

Senior/Principal Planning Consultant
Environment & geoscience Architecture & Planning Full time
Senior/Principal Planning Consultant

Various locations

Environment Consultant II
Full time
Environment Consultant II

Mumbai, Mahārāshtra, India

Project Manager
Cities & development Project & Programme Management Full time
Project Manager

Various locations

Senior Project Manager
Cities & development Project & Programme Management Full time
Senior Project Manager

Various locations

Related blogs

Bhavya smiling

Designing for better learning environments, from Bengaluru to the UK.

Discover how Bhavya is helping design sustainable, future-ready education spaces for UK communities while building her architectural career at AtkinsRéalis.

Card link for Designing for better learning environments, from Bengaluru to the UK.
Faye smiling in front of camera

From tree planting to carbon modelling: A small tradition that shaped a career.

For Faye, sustainability started with a simple habit and grew into a career. From studying geology to contributing to carbon modelling on major infrastructure projects, her journey shows how personal passion can evolve into meaningful impact.

Card link for From tree planting to carbon modelling: A small tradition that shaped a career.
Aishwarya smiling in front of camera

From Pune to UK rivers: what Aishwarya’s intern work in water quality looks like.

At AtkinsRéalis, meaningful environmental impact can begin early in your career. As an intern in the Water Management Consultancy team, Aishwarya is helping assess water quality and pollution risks in UK rivers, applying her academic knowledge to real-world challenges that support healthier ecosystems and better environmental outcomes.

Card link for From Pune to UK rivers: what Aishwarya’s intern work in water quality looks like.
Mohit standing in front of lake

Building energy resilience where it matters most

Whether it's supporting global net-zero commitments or helping improve energy resilience in remote communities, Mohit’s work reflects the growing role sustainability professionals play in shaping a more sustainable future.

Card link for Building energy resilience where it matters most
Sahil in black suit

Designing cooler cities for a hotter world

Meet Sahil, driving resilient cities at AtkinsRéalis by turning climate challenges into solutions through urban planning, climate adaptation, and digital innovation.

Card link for Designing cooler cities for a hotter world

From data to impact: Varna’s journey shaping global sustainability reporting from India

At AtkinsRéalis, sustainability is driven by both strategy and data. Varna’s work focuses on turning complex environmental information into meaningful insights, supporting global sustainability reporting, climate action, and informed decision-making across regions.

Card link for From data to impact: Varna’s journey shaping global sustainability reporting from India

Why Pankaj came back to AtkinsRéalis to grow his sustainability career

From graduate engineer to Principal Sustainability Consultant, explore Pankaj’s journey and his work shaping sustainable building performance across the Middle East.

Card link for Why Pankaj came back to AtkinsRéalis to grow his sustainability career

Tomasz on building a squiggly career in International Urban Development Advisory

Meet Tomasz and discover how embracing new opportunities can shape a truly global career path.

Card link for Tomasz on building a squiggly career in International Urban Development Advisory
Image of Amy at the big bang fair

From music technology to acoustic consulting: Amy on building a career in environment digital

Discover how Amy is turning technical knowledge into real-world impact through acoustics and digital solutions.

Card link for From music technology to acoustic consulting: Amy on building a career in environment digital