Senior Mechanical Design Engineer – UK Water (Hybrid, St Albans)

Rullion; St Albans; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Rullion is seeking a Senior/Principal Mechanical Design Engineer for an established UK water industry engineering design consultancy, based in St Albans. The role focuses on delivering robust mechanical designs, calculations, and drawings for water projects while mentoring CAD technicians.

The position is primarily office-based with hybrid working by agreement and occasional site visits. 5–10 years in UK water design are expected, with progression toward Chartered Engineer status.

Qualifications

• 5–10 years' mechanical design experience within the UK water industry.
• Membership of a relevant professional engineering institution.
• Working towards Chartered Engineer (CEng) status.
• Good understanding of UK water industry design standards and practices.
• Experience with hydraulic design.
• Knowledge of electrical design and control systems.
• Experience across both clean water and wastewater projects, including infrastructure and non-infrastructure works.
• Understanding of construction methods and materials.
• Strong knowledge of engineering drawing standards and practices.

Responsibilities

• Deliver mechanical design solutions that meet safety, quality, and project requirements.
• Produce mechanical design calculations, specifications, and drawings for water industry projects.
• Lead and mentor CAD technicians.
• Prepare scopes of work for subcontracted M&E design teams and review their deliverables.
• Liaise with equipment suppliers and manufacturers, prepare technical specifications, and evaluate tender submissions.
• Produce design reports, investigations, and technical specifications.
• Ensure designs comply with relevant industry standards, regulations, and company procedures.
• Manage and document design changes throughout the project lifecycle.
• Attend and present at client and project design meetings.

Skills

Mechanical design

Hydraulic design

Electrical design

UK water industry

Mentoring CAD technicians

Job description

Rullion is seeking a Senior/Principal Mechanical Design Engineer for an established UK water industry engineering design consultancy, based in St Albans. The role focuses on delivering robust mechanical designs, calculations, and drawings for water projects while mentoring CAD technicians.

The position is primarily office-based with hybrid working by agreement and occasional site visits. 5–10 years in UK water design are expected, with progression toward Chartered Engineer status.