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Commercial Administrator


Job Location:

Rhyl - UK

Monthly Salary: Not provided by the employer
Posted: 29 September 2026 (9 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Mott MacDonald Bentley is a design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley operating across water energy and environment sectors throughout the UK. With an annual turnover surpassing 650 million Mott MacDonald Bentley cements its position as a leader within the industry. The sustained robust business performance creates an ideal environment for career growth.


Were looking for a Commercial Administrator to join our Commercial Team supporting our Dŵr Cymru Welsh Water framework. This is an exciting opportunity to join a busy and supportive team providing essential administrative support across a range of commercial activities and infrastructure projects.


Working closely with Quantity Surveyors and Commercial Managers youll help ensure commercial processes run efficiently and accurately. From supporting cost reporting and client applications to maintaining commercial records and assisting with procurement administration youll play a key role in the successful delivery of projects while developing valuable experience within a growing business.


As a Commercial Administrator you will:

  • Support cost reporting and commercial administration.
  • Maintain commercial records trackers and databases.
  • Assist with client reporting and payment applications.
  • Support the administration of compensation events and variations.
  • Coordinate commercial information with project teams.
  • Assist with procurement and subcontract administration.
  • Raise purchase orders and maintain supplier records.
  • Manage document control and filing systems.
  • Support monthly reporting and meeting administration.
  • Manage commercial correspondence and team inboxes.
  • Assist with audits and compliance activities.


What youll need:

  • Strong organisational and time-management skills.
  • Excellent attention to detail and accuracy.
  • Good written and verbal communication skills.
  • Proficiency in Microsoft Office applications particularly Excel Word and Outlook.
  • A proactive and collaborative approach to work.
  • The ability to manage multiple priorities and meet deadlines.
  • Previous administration experience would be advantageous.
  • An interest in commercial management quantity surveying construction or engineering would be beneficial.


Whats in it for you:

Enjoy a competitive salary a fantastic working culture and opportunities to develop your career within a growing business. We offer a supportive environment and access to a wide range of financial lifestyle health and wellbeing benefits.


To view our full range of benefits please see the Bentley benefits brochure attached.



Required Experience:

Unclear Seniority