Site Agent


Are you a Site Agent looking for your next permanent role?  If this is you, then please read on as we may just have the role for you……

Founded in 1968, Griffiths are a sustainable Civil Engineering Contractor that helps connect communities through delivering Road, Rail, Water, and Utilities projects. We pride ourselves on delivering the highest quality projects in a healthy, safe, and sustainable manner to improve people’s everyday lives.

We are currently looking for a Site Agent to join and lead our amazing team in Porthmadog. Due to the nature of the role, we are open to applications from candidates who live in; or can commute from some of the following areas: Caernarfon, Pwllheli, Bangor, Llangefni, Holyhead, Llandudno, Colwyn Bay, Llanrwst, Abergele, St Asaph, Mostyn, Flint, Dolgellau, Denbigh, Ruthin, Rhyl, Llangollen, Deeside, Buckley.

As part of a global business in CRH and a Business Unit of Tarmac PLC, the career opportunities are limitless.


The Site Agent will work within the Civil Engineering team. We are looking to hear from candidates who have worked in a similar industry and have previous experience of working on Civil Engineering projects with a passion and drive to lead your team to excel and be the best they can be.

On a day-to-day basis, the successful Site Agent’s responsibilities will include (not limited to) the following:

  • Promoting and Leading the site safety culture; ensuring that all works are carried out in a planned, controlled and safe manner
  • Complying with all HSQE systems; implementing these on site
  • Managing and measuring on site productivity and performance
  • Managing procurement and performance of sub-contractors
  • Ensuring that works’ activities are carried out efficiently
  • Maintaining and developing customer relationships
  • Optimising targeted financial contribution for the scheme


The successful applicant in the role of Site Agent will have an Engineering background with experience of a range of different Civil Engineering projects.

We are looking to hear from candidates who are in receipt of the following:

  • ESSENTIAL – A solid comprehension of current methods and up to date knowledge of specifications and contract principles
  • ESSENTIAL – Demonstrable personal and organisational skills
  • ESSENTIAL – A good understanding of NEC ECC Contracts
  • ESSENTIAL – Strong experience of the planning and programming process, along with a high level of commercial acumen
  • ESSENTIAL – Be able to motivate your team and to prioritise and manage workload for both yourself and others within your team and the wider business

For this role you must hold a FULL UK car driving license with no more than 6 penalty points

Education/Certification Requirements:

  • DESIRABLE – Preferably a further education qualification e.g. Degree or HND/HNC (ideally relatable to Civil Engineering)
  • DESIRABLE – CSCS Black Card (Including relevant NVQ)
  • DESIRABLE – Temporary Works Coordinator


For the successful Site Agent, we offer an extensive range of career development opportunities and industry-leading rewards, incentives and benefits:

  • Company car/car allowance
  • Contributory pension scheme
  • Access to the Tarmac Reward website with discounts on retailers, holidays, etc.
  • Access to our Employee Assistance helpline for free and confidential advice
  • Access to join our Employee Communities (employee networks)
  • We currently have nine communities inc.(REACH) Religious, Ethnic, Cultural Heritage, LGBTQ+, Parents & Carers, Ability, Wellbeing, Female voice and Menopause’
  • Training and development opportunities

Interested? Why not click here to find out more?  Go on… are you ready to build your future?

Apply Job applications are processed by our parent company, Tarmac. Clicking apply will take you to their website, but don't worry - your application will be sent through to the careers team at Alun Griffiths

Explore our sectors

Our extensive levels of expertise can be split into three major sectors: INFRASTRUCTURE, RAIL and GEOTECHNICAL.