Senior Mechanical Design Engineer

Location: Grangemouth (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.

• 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

• 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