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.
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
