Senior Mechanical Design Engineer

Senior Mechanical Design Engineer Location: Bristol (Hybrid / Flexible) Sector: Water / Infrastructure Employer: Leading Tier 1 Contractor An opportunity has arisen for a Senior Mechanical Design Engineer to join a growing engineering team within a leading Tier 1 contractor delivering major water and infrastructure projects across the UK. This is a key technical position, responsible for delivering high-quality mechanical design solutions across the full project lifecycle, from concept through to detailed design and construction support. You will play a pivotal role in ensuring designs meet regulatory, safety, and commercial requirements while contributing to multi-disciplinary project delivery. Key Responsibilities Produce and review mechanical design deliverables in line with project requirements and industry standards Act as a technical checker, ensuring quality assurance and compliance of design outputs Develop efficient, cost-effective solutions balancing capital and operational expenditure Ensure designs are safe, buildable, and aligned with operational requirements Integrate mechanical designs with other disciplines (civil, electrical, process, etc.) Collaborate closely with Design Managers, Principal Engineers, and project teams Provide technical support for:Participate in design reviews, risk assessments, and client meetingsContribute to maintaining robust design governance and quality procedures Procurement and supply chain activities Construction and site delivery phases Provide technical guidance and mentoring to junior and graduate engineers Support team development and progression toward professional accreditation (e.g., IMechE, ICE) Contribute to continuous improvement, innovation, and knowledge sharing across the discipline Ensure designs comply with:Support design assurance processes and regulatory compliance across projects Relevant H&S legislation and CDM regulations Industry standards and best practices Internal quality management systems About You Degree in Mechanical Engineering (or equivalent) Chartered Engineer status (or working towards) is desirable Significant experience in mechanical design within infrastructure projects Background in water and/or wastewater sectors preferred Experience working in a contracting or consultancy environment Strong track record of delivering designs within multi-disciplinary teams Strong understanding of mechanical systems relevant to infrastructure (e.g., pumping systems, treatment plant equipment, pipework) Knowledge of relevant standards, regulations, and H&S requirements Experience reviewing subcontractor or supplier design documentation Commercial awareness and ability to consider whole-life cost impacts If you’re a motivated mechanical design engineer looking to take the next step in your career and contribute to complex infrastructure projects, we’d love to hear from you