Senior EC&I Engineer - Water

Salary:
Competitive rate - outside of scope of IR35

Job Reference: JOB-90359

Published: 23-04-2026

Duration: 12 months +

Expiry Date: 21-05-2026

Country:
United Kingdom

We're recruiting a Senior Electrical Engineer to take overall responsibility for electrical scope delivery across multiple water sector frameworks. You'll lead electrical design and engineering delivery on clean water and wastewater projects, managing schedules, technical documentation, team delivery and stakeholder engagement.

Contract Details: Outside IR35 | Competitive daily/monthly rate | Hybrid working (2-3 days office-based in Manchester) | Remaining days remote | Long-term contract

This is an engineering role for an experienced electrical engineer with extensive clean water or wastewater background. You'll be responsible for the full spectrum of electrical engineering delivery—from power system design and HV protection studies through to equipment specification, supplier management and site support. You'll manage project schedules and budgets, and ensure technical excellence across complex water infrastructure projects.

Project Delivery

• Assume responsibility for electrical scope delivery across assigned water projects
• Delegate work packages and manage schedules and budgets
• Prepare and manage schedules, MDRs and change control processes
• Lead technical meetings and manage project reporting to senior stakeholders
• Support project estimates including Cost to Rectify assessments

Electrical Design & Technical Delivery

• Provide electrical discipline technical input across the full project lifecycle
• Prepare, check and approve engineering documentation including:
  • Basis of Design and Power System Calculations
  • Earthing and Lightning Calculations
  • Equipment sizing calculations and specifications
  • Single Line Diagrams (SLDs), cable schedules, material take-offs
  • Block Control Diagrams (BCDs), schematics, equipment and cable routing layouts
• Prepare installation scopes of work for electrical teams
• Conduct HV Power System Modelling and Protection Studies
• Manage electrical equipment ageing and obsolescence across projects

Equipment & Procurement Management

• Prepare equipment and materials requisitions for HV and LV switchboards, transformers, motors, UPS systems, power factor correction, trace-heating, lighting and associated electrical equipment
• Review supplier quotations and prepare technical bid assessments
• Liaise with DNO and other stakeholders on system requirements and constraints
• Ensure all equipment meets relevant standards including ATEX, PED, Low Voltage Directive, Machinery Directive and EMC requirements

Compliance & Standards

• Ensure compliance with all applicable national and international codes of practice, legislation and company/client standards
• Maintain awareness of risk identification, quantification and HSE requirements
• Support CE marking compliance and regulatory requirements for electrical equipment and plant
• Contribute to continuous improvement in electrical design processes and practices

Stakeholder & Site Support

• Represent electrical engineering with clients, suppliers and project teams
• Support site teams with operational and technical issues
• Manage relationships with key stakeholders including DNO, clients and regulatory bodies
• Ensure customer focus and service excellence across all interactions

Essential Qualifications & Experience

• Degree in relevant engineering discipline Apprenticeships considered if supported by equivalent professional standing
• Chartered or Incorporated Engineer status with a relevant professional body, or clear evidence of working towards these titles
• Minimum 15+ years' engineering experience in water sector (clean water or wastewater) or similar infrastructure environments
• Extensive knowledge of clean water and wastewater infrastructure design and delivery
• Power system design and analysis
• HV Power System Modelling and Protection Studies
• Electrical equipment specification and sizing
• Earthing, lightning and grounding design
• UK legislation and standards for electrical installations
• ATEX, PED, Low Voltage Directive, Machinery Directive and EMC compliance requirements
• Team…