Senior Engineer (Commissioning) - Manchester & Cheshire Region

CompanyUnited Utilities

LocationWarrington, England, United Kingdom

Posted At3/12/2026

UK Visa Sponsorship Analytics

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Occupation Type

Engineering technicians

Occupation Code Skill LevelMedium Skilled

Sponsorship Salary Threshold

£42,500 (£21.79 per hour)

Occupation rate applies

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Description

As a Senior Commissioning Engineer, you will take ownership of commissioning planning, delivery and integration activities across a diverse capital programme. Acting as a Subject Matter Expert (SME) and primary technical point of contact, you will ensure that commissioning works are delivered in line with strategy, policy, and Health & Safety standards.

You’ll play a central role from early design review through to testing, commissioning, asset handover and decommissioning. You will identify risks, resolve technical issues, and work closely with internal and external stakeholders to ensure assets are safe, reliable, and ready for operation.

This role suits someone who thrives working independently, can manage multiple deadlines, adapts quickly to new processes, and consistently drives high‑quality engineering outcomes.

Key Responsibilities

Lead commissioning activities across multiple engineering projects, ensuring compliance with Health & Safety legislation, engineering standards and United Utilities procedures
Support the Agreement to Operate (ATO) process, assess commissioning risks and collaborate with Integration teams on service permissions

Maintain permit compliance, report high‑risk activities and provide accurate commissioning updates to the Commissioning Manager

Develop and manage commissioning plans, risk assessments, method statements, documentation and technical files; lead commissioning meetings and ensure robust governance

Act as a commissioning SME, providing technical direction and influencing decision‑making across multidisciplinary project teams

Mentor and support junior commissioning engineers and contribute to technical training programmes

Work closely with project managers, operational colleagues and external contractors to resolve commissioning issues and enable seamless project handover

Manage your own workload, prioritise effectively, and deliver projects on schedule

Drive continuous improvement and support standardisation of commissioning processes across the programme

Skills & Experience

Essential Experience

Strong background in Commissioning Engineering, including strategy, planning, testing and delivery across the full project lifecycle
Experience delivering commissioning on capital investment projects in utilities, water, wastewater, engineering or industrial environments

Ability to work autonomously and manage multiple projects independently

Excellent communication skills with the ability to influence internal and external stakeholders

Strong problem‑solving capability and confidence identifying and mitigating engineering risks

Adaptability and eagerness to learn new systems, processes and ways of working

Ability to work with senior stakeholders and represent commissioning effectively across the organisation

Full UK/EU driving licence

Essential Qualifications

Electrical or Instrumentation Apprenticeship
Qualifications as required to gain ECS Gold Card (typically NVQ Level 3)

Desirable Qualifications

C&G 2391 or equivalent verification/testing certification
BTEC or equivalent technical qualification
HNC/HND or Degree in a relevant STEM field
BS7671 qualification

What You’ll Get In Return

You’ll join an established, supportive commissioning engineering team working on complex water and wastewater projects that shape long‑term asset performance across the North West. You’ll collaborate with project managers, operational teams and engineering specialists to deliver safe, reliable solutions and see critical systems come to life on site.

Benefits

Competitive salary and excellent benefits package
26 days’ holiday (rising to 30 with service) plus bank holidays
Up to 14% employer pension contribution (21% combined)
Up to 10.5% annual bonus
Private medical care
Gym discounts, EV car scheme, ShareBuy and flexible benefits package
Hybrid working to support work‑life balance
Professional development, training and career progression
The chance to play a key part in delivering essential infrastructure for communities across the North West

If you're an experienced Senior Commissioning Engineer or an established Commissioning Engineer ready for your next step, capable of working independently, managing your own projects and influencing across engineering and operations, we’d love to hear from you.