Senior Water Infrastructure Design Engineer

Alexander Associates; Glasgow; On-site; GBP 77,000 - 129,000; Full time

Job summary

Alexander Associates in Glasgow is seeking a Senior Design Engineer to deliver water and wastewater projects for a leading Tier 1 contractor across the UK water sector. You will design civil assets, review calculations, and liaise with multidisciplinary teams.

The role focuses on design development, compliance with standards, support to procurement, construction, and site teams, and mentoring graduates. Chartered engineer or working towards chartership is preferred.

Qualifications

• Degree qualified in Civil Engineering or related discipline.
• Experience in municipal water and wastewater sector with water utility clients.
• Chartered Engineer status or working towards chartership.
• Experience in contractor, consultancy, or design-and-build environments.
• Knowledge of water and wastewater assets, including gravity and pressurised systems, treatment processes, tanks, chambers, and civil structures.
• Familiarity with health and safety legislation, British Standards, and industry regulations.
• Experience with QA and H&S management systems.
• Ability to produce and review calculations, reports, specs, drawings, and design docs.
• Experience undertaking hydraulic calculations and assessments.
• Knowledge of structural design relating to water-retaining structures and reinforced concrete detailing.
• Experience liaising with clients and developing practical engineering solutions.
• Experience leading or attending design reviews, progress meetings, and site meetings.
• Awareness of NEC contracts.
• Understanding of quality, environmental, and health and safety management systems.
• Strong communication and technical report-writing skills.
• Proven ability to work within multidisciplinary teams and deliver to programme requirements.
• Commitment to innovation and industry best practice.
• Experience coordinating suppliers, subcontractors, construction teams, and internal stakeholders.
• Understanding of design planning, programme management, and resource estimation.
• Experience mentoring and supporting less experienced engineers.

Responsibilities

• Deliver civil engineering designs for water and wastewater projects in accordance with project requirements, standards and safety regulations.
• Produce and review design calculations, technical reports, specifications, drawings and supporting documentation.
• Support multidisciplinary design activities and ensure integration across engineering disciplines.
• Ensure outputs comply with legislation, standards, quality procedures and best practice.
• Provide technical support to procurement, construction, commissioning, and site teams.
• Contribute to engineering governance, maintaining quality, consistency and compliance.
• Identify opportunities for innovation and continuous improvement.
• Attend design reviews, client meetings, progress meetings, and site visits as required.
• Support knowledge sharing and mentoring of graduates and junior engineers.
• Build strong relationships with clients, suppliers, subcontractors and stakeholders.

Skills

Civil engineering

Water/wastewater

Design calculations

Hydraulic analysis

Multidisciplinary teamwork

Technical report writing

Client liaison

Education

Degree in Civil Engineering

Chartered engineer / towards chartership

Job description

Alexander Associates in Glasgow is seeking a Senior Design Engineer to deliver water and wastewater projects for a leading Tier 1 contractor across the UK water sector. You will design civil assets, review calculations, and liaise with multidisciplinary teams.

The role focuses on design development, compliance with standards, support to procurement, construction, and site teams, and mentoring graduates. Chartered engineer or working towards chartership is preferred.