16 Environmental jobs in Hertfordshire

Environmental Advisor Competitive Salary Electric Car or Allowance Harefield We Care and if you are concerned about the environment and what’s going on around you - we have a lot in common The Role If you’re at your best out on site, talking to engineers, ...

Senior Environment & Sustainability Advisor

26 February 2026
The Clancy Group - Harefield, UB9 6HZ
Permanent
Full time

Senior Environment & Sustainability Advisor Competitive Salary with Electric Car or allowance Harefield We care… If you are concerned about the environment and what’s going on around you - we have a lot in common We have an exciting opportunity for an ...

Senior Process Design Engineer

26 February 2026
J Browne Construction - Apsley, HP3 9TD
£50,000 to £60,000 per year
Permanent
Full time

We are seeking a Senior Process Engineer to take a leading role within our Design Team, responsible for planning, directing, and delivering high‑quality process designs across a diverse portfolio of water and wastewater treatment projects. In this position, ...

Grounds Maintenance Operative

02 March 2026
Three Rivers District Council - Rickmansworth, Hertfordshire
£27,448 to £30,585 per year
On-site only
Permanent
Full time

What we are looking for:- We are looking for a Grounds Maintenance Operative to join our successful Environmental Protection team normally based at the Aquadrome / Batchworth Depot. Grounds operatives that are experienced in grounds maintenance and use with ...

Process Design Engineer

27 February 2026
J Browne Construction - Apsley, HP3 9TD
£40,000 to £50,000 per year
Permanent
Full time

We're looking for a Process Design Engineer to join our Design Team and play a key role in shaping the treatment solutions that support vital water and wastewater infrastructure. In this role, you’ll contribute to the planning, development, and delivery of ...

Site Agent

18 February 2026
The Clancy Group - Rickmansworth, WD3 9SF
Permanent
Full time

Site Agent Maple Cross We are ambitious That’s why we we’re keen to hear from determined and motivated people like you to help us deliver on our promises. We’re proud to have been appointed to a new 8-year Framework with Thames Water. As the UK’s largest water...

Senior - Project Manager

18 February 2026
Barhale - St Albans, AL4 0PG
Competitive
Permanent
Full time

About Barhale Who are Barhale? Barhale is a business founded on family values, having been established by our Chairman, Dennis Curran, in 1980. We are one of the largest privately owned civil engineering and infrastructure specialists in the UK, with over 40 ...

Performance Manager

04 February 2026
J Browne Construction - Apsley, HP3 9TD
£55,000 to £65,000 per year
Permanent
Full time

Are you motivated by improving how major infrastructure projects are delivered? We’re looking for a Performance Manager who thrives in a fast‑paced, collaborative environment and is driven by turning complex information into meaningful insights. In this role, ...

SHEQ Apprentice

17 February 2026
J Browne Construction - North West, UK, HP3 9TD
£21,000 per hour
Permanent
Full time

Start your career shaping safer, smarter workplaces. Passionate about safety and sustainability? This apprenticeship offers hands‑on experience and guidance from SHEQ experts as you help drive a culture of safety and improvement. As an Apprentice SHEQ Advisor...

Senior Mechanical Design Engineer

27 February 2026
J Browne Construction - Apsley, HP3 9TD
£50,000 to £60,000 per year
Permanent
Full time

We are seeking a Senior Mechanical Design Engineer to play a leading role within our Design Team, taking technical ownership of mechanical engineering solutions across a wide range of water and wastewater treatment projects. In this role, you will guide the ...