Senior Mechanical Engineer

Senior Mechanical Engineer focuses on leading the design of complex hvac, tunnel ventilation, environmental control, public health, drainage, and fire suppression systems.

What the role involves

• Leading the design of complex HVAC, tunnel ventilation, environmental control, public health, drainage, and fire suppression systems.
• Review, and approve critical engineering deliverables including hydraulic calculations, ventilation data, equipment schedules, and technical specifications.
• Provide robust technical guidance, mentoring, and resource planning support to junior engineers.
• Interface seamlessly across electrical, controls, civil, structural, and architectural disciplines to deliver fully integrated solutions.
• Ensure strict compliance with HS2 Technical Standards , Building Regulations, CIBSE Guidelines, and CDM Regulations 2015.
• Participate in interdisciplinary design reviews (IDC/IDR).

Skills and requirements

• Education: Degree in Mechanical Engineering, Building Services Engineering, or a related discipline.
• Experience: 5–10 years of mechanical engineering design experience within rail, infrastructure, transportation, utilities, or heavy building services.
• Technical Depth: Mastery of HVAC, ventilation/smoke control, pumping systems, and engineering assurance frameworks.
• Communication: Excellent stakeholder management skills with a proven track record of leading technical work packages.

Confirmed role details

• £450- £550 per day (Outside IR35).
• In this key role, you will take charge of the design, coordination, and technical delivery of mechanical systems driving the HS2 programme.
• Focus: Major rail infrastructure, station environments, tunnels, and complex mechanical assets.

Candidate fit

• technical judgement, safe working habits, careful diagnostics, and practical problem-solving

Additional role context

• Collaboration with tier-1 contractors, clients, and multidisciplinary digital engineering (BIM) teams.
• Leadership: Driving technical excellence while mentoring a talented pool of graduate engineers and technicians.

Known job details

• Pay: £450- £550 per day