Senior Site Agent - Major Water Infrastructure - AMP8 Projects

Site-based: Hertfordshire

Up to £68K + £4.5K Car Allowance + Bonus + Full Package

Permanent

Clear Route to Project & Senior Project Manager

If you're a Senior Site Agent with the leadership to own complex civils packages and the vision to help deliver critical national infrastructure then this is your move.

One of the UK's most respected principal contractors is delivering a once-in-a-generation programme of AMP8 works for Thames Water. Backed by a £3.7bn order book and a reputation for excellence, they are now investing in their permanent leadership team to deliver high-value environmental infrastructure projects across multiple sites.

We're looking for Senior Site Agents to take charge of complex non-infrastructure wastewater schemes valued between £5-10m. If you're the kind of leader who thrives when managing multiple packages, coordinating teams, delivering high standards, and owning the process from technical resolution through to client handover—this is your moment.

What's in it for you?

Salary to £68,000 + £4,500 Car Allowance
28 Days Holiday + 8 Bank Holidays
4% Pension (Employee) / 5% (Employer)
Life Assurance
Long-term framework into 2030 - project security
Chance to transition into Project/Senior PM or Ops Management
Training & upskilling to Thames Water standards
Forward-thinking environment: embracing new techniques, digital tools, and value engineering
What you'll be doing:

Managing entire sections of complex civils works
Site-based leadership and office collaboration
Overseeing HSEQ, RAMS, design changes, and CDM compliance
Forecasting and reporting costs with commercial teams
Delivering toolbox talks, site audits, and maintaining diaries
Working directly with stakeholders, clients, and internal PMs
Implementing innovation, mentoring site teams, and improving performance
✅ What you'll need:

HNC or higher in Civil Engineering
SMSTS, CSCS (Engineering/Management), First Aid (desirable)
Strong NEC contract understanding
Experience in civil engineering projects (preferably Water/Highways)
CAD/Office 365 experience; TWC desirable
The ability to lead, inspire and manage on-site delivery teams
This is more than just a job—it's a long-term career opportunity at a top-tier business that values technical excellence, strong leadership, and sustainable development.

I'm personally managing this search on behalf an exceptional organistaion and am seeking exceptional people ready to step up and help shape the future of UK water infrastructure.

Apply now or reach out directly

Send your CV or contact Connor confidentially to discuss:
(url removed)

Ganymede is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation