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Principal Mechanical Engineer

Job in Bath, Somerset County, BA1, England, UK
Listing for: YTL UK
Full Time position
Listed on 2026-10-17
Job specializations:
  • Engineering
    Mechanical Engineer, Environmental Engineer, Civil Engineering, Water Engineer
Salary/Wage Range or Industry Benchmark: 70000 - 100000 GBP Yearly GBP 70000.00 100000.00 YEAR
Job Description & How to Apply Below

As we prepare to deliver a significant capital programme over the next five years, we're investing in the growth and development of our design department.

We're seeking aPrincipal Mechanical Engineer with significant water industry experience to help shape the future of our water infrastructure department by bringing strong technical expertise, innovative thinking and leadership to our team.

What you'll do

This is a unique opportunity to influence major projects from concept to construction, delivering innovative, sustainable and best-value solutions that are safe to build, operate, and maintain.

Your typical day-to-day in this role can include:

  • contributing to the overall strategic technical direction and standards for our Mechanical Engineering team
  • leading mechanical design across the full spectrum of water and wastewater infrastructure, including abstraction, boreholes, treatment works and sewage networks
  • developing and evaluating options to identify the least whole-life cost solutions
  • reviewing and approving mechanical schedules, drawings and P&IDs
  • reviewing and approving technical reports, calculations, designs and drawings for compliance with our health and safety, technical, legal and environmental standards
  • providing expert technical guidance and mentoring to support Mechanical Engineers in developing appropriate and cost-effective solutions
  • collaborating with other engineering disciplines to ensure scope alignment and integrated delivery
  • mentoring Junior Engineers and actively contributing to team development
  • preparing design fee proposals and scheme design programmes
  • liaising with Site Managers on technical issues
  • ensuring design proceeds in line with budgetary and programme constraints, and that the project management team are aware of the state of progress
  • developing tools that add value to schemes and reduce reliance on third parties for technical input.
What you'll need

You'll need to be a proactive, solutions-focused engineer with a passion for excellence and innovation.

You'll bring:

  • deep industry knowledge as a seasoned professional within the water sector, with a proven track record of success in senior-level roles
  • extensive experience within the water industry
  • a Chartered Engineering qualification with a relevant institution
  • a degree in Mechanical Engineeringor a related discipline
  • experience working with contractors, clients and stakeholders
  • strong understanding of risk management, particularly environmental risks
  • excellent communication, negotiation and influencing skills
  • a positive, adaptable mindset and a strong team ethic.
What you'll receive
  • A combined pension contribution of up to 20%.
  • Career progression and professional development opportunities.
  • 25 days' holiday rising to 28 with length of service.
  • The opportunity to sell up to five days of holiday every year.
  • The opportunity to buy up to ten days of holiday each year (subject to conditions).
  • A healthcare package that allows you to claim back healthcare costs.
  • Life assurance of up to eight times your salary.
  • The opportunity to lease a new electric car through salary sacrifice (subject to conditions).
  • Cashback and discounts from more than 3,000 retailers.
  • One paid volunteering day each year.
  • Enhanced family leave and pay arrangements.
  • Access toan interactive health and wellbeing platform.
  • Support from trained mental health first aiders.
  • A £1,000 referral fee if you recommend someone who is successfully recruited by us.
Who we are

YTL UK is part of the international YTL Group based in Kuala Lumpur. The UK companies include:

  • Wessex Water – one of the top-performing water and sewerage companies in England and Wales, serving 2.9 million people across the South West
  • YTL Developments – a major UK developer currently redeveloping a 450-acre former airfield…
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