Senior Mechanical Design Engineer (Water)

RPS Group; Warrington; Hybrid; GBP 40,000 - 65,000; Full time

Job summary

Join a leading company in the water industry as a Senior Mechanical Design Engineer based in Warrington. You will contribute to innovative water projects, working on impactful designs and mentoring junior engineers. This role offers a stable career path within a collaborative and flexible environment at RPS Group and Tetra Tech.

Benefits

Personal development plan

Flexible working options

Diversity and inclusion initiatives

Qualifications

• Experienced in producing technical outputs such as specifications and designs.
• Familiar with collaborative planning, design reviews, and safety assessments.
• Understanding of water and wastewater treatment processes.

Responsibilities

• Work on various projects across long-term frameworks with UK water companies.
• Prepare mechanical design deliverables, including calculations and reports.
• Mentor and guide junior team members.

Skills

Mechanical engineering principles

Pump design

P&ID creation

Safety regulations

Time management

Education

IMechE-accredited degree

Postgraduate qualifications

Tools

AutoCAD

Job description

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Senior Mechanical Design Engineer (Water), Warrington

Client:

RPS Group

Location:

Warrington, United Kingdom

Job Category:

Other

EU work permit required: Yes

Job Reference:

14e6827dfe9a

Job Views:

12

Posted:

22.06.2025

Expiry Date:

06.08.2025

Job Description:

Senior Mechanical Design Engineer (Water)

We are currently recruiting multiple Senior Mechanical Design Engineers (Water) for various long-term frameworks across the UK.

RPS, along with Tetra Tech, has secured a £100 million framework from United Utilities to improve river health in Northwest England.

With over 20 years of collaboration with United Utilities, RPS is at the forefront of innovative water projects. As we approach AMP8, this is an exciting time to work in the water industry, collaborating with passionate organizations to create positive change.

This 10-year framework aims to optimize programs, develop solutions, and select the best options based on value, low carbon footprint, and cost, aiming to deliver exceptional water services for a resilient and eco-friendly Northwest.

About The Team:

RPS Water Consulting comprises Engineers, Modellers, and Data Analysts providing Asset Management and Operational Strategy development to water industry clients, supporting business planning and delivery.

We also work with several major water companies across the UK, with a broad portfolio of long-term frameworks.

Our water consultancy has numerous AMP8 programs leading into AMP9 and beyond, offering long-term career stability and legacy opportunities.

About You:

You should be experienced in producing technical outputs such as specifications, pump and aeration system designs, schedules, and reports. Familiarity with collaborative planning, design reviews, and safety assessments is essential.

You will provide engineering input for designs, including General Arrangement Drawings, 3D models, and P&ID diagrams.

Strong communication skills are required to deliver technical presentations and participate in design discussions, workshops, and safety reviews like HAZOPs and ALMs.

You should understand water and wastewater treatment processes and be experienced in assessing existing infrastructure for mechanical design development.

Joining us means working on impactful projects with leading minds, contributing to the water industry, and leaving a legacy for future generations. You will work with major water companies, ensuring a positive community impact. If you're ready for a dynamic environment, we invite you to join us.

Your Responsibilities:

• Work on various projects across long-term frameworks with UK water companies.
• Achieve positive project and community outcomes.
• Collaborate with Senior and Principal Engineers and stakeholders to support project delivery.
• Mentor and guide junior team members.
• Understand technical drawings using AutoCAD and/or Inventor.
• Undertake asset condition surveys and prepare reports.
• Contribute to P&ID production.
• Prepare mechanical design deliverables, including calculations, reports, specifications, datasheets, drawings, schedules, and procurement documents.
• Support project team compliance with CDM duties, including risk assessments.
• Follow Quality Assurance procedures.

Skills, Knowledge, and Experience:

• Strong understanding of mechanical engineering principles.
• Experience in the water industry is advantageous.
• Proficiency or awareness in pump design, P&ID creation, specifications, and safety regulations.
• Knowledge of contract procurement methods, including NEC contracts.
• Ability to manage work within time, cost, and quality constraints.
• Support for junior staff development.
• Willingness to travel and visit operational sites safely, including asset surveys and equipment testing.
• Knowledge of design tools like AutoCAD is a plus but not essential.

Qualifications:

• An IMechE-accredited degree; postgraduate qualifications are a plus.
• Chartered status or working towards it for senior roles.
• Membership or ongoing application with professional bodies such as IET, InstMC, or CIWEM.

What’s in it for you?

A personal development plan and clear career path support your growth, with a company culture that values diversity, well-being, and innovation.

Why RPS?

We promote flexible working, collaboration, and social connection, with hybrid and agile work options to suit your needs.

RPS, A Tetra Tech company:

Since becoming part of Tetra Tech in January 2023, RPS offers global opportunities with over 28,000 employees worldwide, committed to solving complex problems.

Join us and make a difference in water!

#LI-MM1 #LI-REMOTE #LI-HYBRID

Our commitment to Diversity and Inclusion

We embed diversity and inclusion in all our processes, respecting and valuing diverse perspectives to attract and retain top talent.

Our core behavior ‘Stronger Together’ emphasizes respect, diversity, and growth, fostering an inclusive environment.

Recruitment Agencies

We work with trusted partners and do not accept unsolicited CVs from agencies not on our approved list. Visit our careers page for more info.