Mechanical Infrastructure Engineer

Lawler Consulting; Choppington; On-site; GBP 40,000 - 60,000; Full time

Job summary

Lawler Consulting is seeking an experienced Mechanical Infrastructure Engineer for a major new village development in Scotland. This 18-month contract role involves designing comprehensive water and firefighting infrastructure, including the selection of booster pumps and liaising with Scottish Water and Fire Authorities. The candidate should possess a Mechanical Engineering qualification and relevant expertise in site-wide water infrastructure and fire systems design.

Qualifications

• Proven experience delivering site-wide water infrastructure.
• Experience with combined domestic and fire systems.
• Storage tanks, pumps, and fire-flow design experience.

Responsibilities

• Design of combined boosted cold water and firefighting networks.
• Liaison with Scottish Water and Fire Authorities.
• Support through construction, commissioning, and adoption.

Skills

Site-wide water infrastructure delivery

Firefighting systems design

Mechanical Engineering knowledge

Hydraulic calculations

Authority liaison

Education

Mechanical Engineering qualification or equivalent experience

Job description

Major New Village Development - Scotland

We are seeking an experienced Mechanical Infrastructure Engineer to support the delivery of site-wide water and firefighting infrastructure for a major new village development in Scotland. This is an 18‑month contract appointment, aligned with the infrastructure design and delivery programme.

Contract Basis

Engagement Type: Contract

Contract Duration: 18 months

Outside IR35 Status

Scope of Services

• Design of combined boosted cold water and firefighting networks.
• Design and sizing of potable and fire water storage tanks.
• Booster pump selection and duty / standby philosophy.
• Fire hydrant network layout and fire‑flow compliance.
• Water treatment systems including filtration and dosing.
• Liaison with Scottish Water and Fire Authorities.
• Hydraulic calculations, drawings, and technical reports.
• Support through construction, commissioning, and adoption.

Regulatory Context

• Scottish Water technical guidance.
• BS EN 805 - Water supply systems.
• BS 9990 - Firefighting water mains and hydrants.
• Building (Scotland) Regulations - Technical Handbooks.
• CIBSE guidance and UK best practice.

Required Experience

• Mechanical Engineering qualification or equivalent experience.
• Proven experience delivering site‑wide water infrastructure.
• Experience with combined domestic and fire systems.
• Storage tanks, pumps, and fire‑flow design experience.
• Authority liaison experience.