Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK?This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Mechanical Engineer, you'll lead mechanical engineering design and delivery on major water sector projects. From treatment works to pumping stations and network upgrades, you'll ensure technical excellence and compliance across the full project lifecycle - from concept design through to construction support. You'll set quality standards, manage budgets and timelines, and collaborate with mechanical specialists and project stakeholders across the UK and internationally to deliver robust, efficient solutions that meet the highest industry standards. Key Responsibilities Lead mechanical design work in accordance with UK and water industry standards. Prepare briefs, scopes of work, and contribute to bid proposals. Manage budgets and schedules to achieve project milestones. Ensure adherence to quality assurance standards in all deliverables. Provide technical guidance and mentorship to junior engineers. What you'll need to succeed Degree qualified Mechanical Engineer with strong experience in mechanical design leadership. Ideally chartered or working towards chartership. Extensive knowledge of water sector mechanical systems, including pumps, blowers, screens, and chemical dosing plant. In-depth understanding of UK water industry standards and working practices. Strong understanding of legislation such as CDM and ATEX. Experience in multidisciplinary design delivery within complex project environments. Why Join? Impactful Work : Help deliver projects that safeguard water resources and support sustainable communities. Global Reach : Work with experts across the UK and internationally on iconic water infrastructure programmes. Career Growth: Access world-class training, professional development, and clear progression pathways. Flexibility : Hybrid working options and flexible holiday allowances to help you balance work and life. Comprehensive Benefits : Competitive salary, private medical cover, pension, income protection, and lifestyle perks - from EV schemes to gym memberships. Inclusive Culture : Join a team that values diversity of thought, collaboration, and innovation. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be Skills: Principal Mechanical Engineer Senior Mechanical Engineer Water ATEX Benefits: Competitive Package