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Job Title: Principal Engineer - Major Infrastructure Projects
Salary: £52,000 to £75,000 (dependent on experience) + £5,800 car allowance
Location: Hybrid - Slough, Maple Lodge, Crossness and/or Swindon
Type: Permanent, hybrid (up to 3 days/week on-site or in-office)

About the Role:
Our client is seeking experienced Principal Engineers to lead technical teams and help modernise major Water Treatment Works across their network. This is a rare opportunity to shape the future of UK water infrastructure through high-value capital projects, some worth up to £300 million.

About the Client:
Our client is the UK's largest water and wastewater services provider, serving over 16 million people daily. They are on a mission to build a sustainable future for customers, communities, and the environment through ambitious investment in infrastructure and innovation.

Key Responsibilities:

Lead and plan the design activities for a portfolio of infrastructure projects
Oversee technical assurance of contractor designs and manage design changes
Support project teams during asset commissioning and handover
Act as the main contact for CDM regulations and Principal Designer duties
Conduct site inspections and collaborate to improve health and safety outcomes
Manage and mitigate risks while adding value across project stages
Build strong relationships with stakeholders and regulators
Apply commercial awareness to guide project delivery strategies

What Our Client is Looking For:

Degree in civil, mechanical, or related engineering discipline (Master's desirable)
Chartered status or working towards it
Experience in delivering major capital projects (ideally up to £100m)
Strong analytical and risk-based decision-making abilities
Exceptional verbal, written, and interpersonal communication skills
Proven leadership and team management background
Valid driving licence and access to personal transport

What Our Client Offers:

Salary up to £75,000 (DOE)
£5,800 car allowance
Annual bonus scheme
Private medical healthcare
26 days' holiday (rising to 30 with service) + bank holidays
Defined contribution pension (up to 12% employer contribution)
Annual personal medical assessments
Extensive employee benefits and wellbeing hub

Eligibility:

Must have the right to work in the UK
Must hold a valid UK driving licence

Opportunity for Growth:

Fast-tracked career progression in a nationally critical sector
Work on one of the UK's most significant infrastructure programmes
Gain cross-functional experience within a diverse and forward-thinking organisation
Be part of a major transformation programme shaping the future of water in the UK

We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status