Commercial Administrator

RTS Infrastructure (Part of Arriva Group) Join a Growing Rail Infrastructure Business

RTS Infrastructure is a trusted provider of rail infrastructure, construction and depot services across the UK. Working with some of the rail industry's leading clients, we deliver projects that help keep the nation's rail network moving safely and efficiently. As part of Arriva Group, one of Europe's largest transport operators, we're continuing to invest in our people, processes and future growth.

We're looking for an organised and proactive Commercial Administrator to join our Procurement and Support Services team in Holbeck, Leeds. This is an excellent opportunity for an experienced administrator with a background in procurement, purchasing or supply chain support to play a key role in supporting our operational and project teams.

Reporting into the Procurement function, you'll help ensure the smooth and efficient delivery of purchasing activities, supplier onboarding and compliance processes while supporting stakeholders across the business.

As part of Arriva Group, you'll be joining a business with ambitious growth plans across the rail infrastructure sector. This role offers the opportunity to develop your commercial and procurement expertise while supporting a diverse range of projects and operational activities.

• A varied administrative role supporting procurement and commercial operations
• Exposure to major rail infrastructure and construction projects
• The opportunity to develop procurement and supply chain knowledge
• Close collaboration with operational, project and finance teams
• A key role supporting supplier compliance and governance activities
• Career development opportunities within a growing organisation
• A supportive and collaborative working environment

The Commercial Administrator will provide essential administrative support to the procurement team, helping to ensure purchasing activities are delivered efficiently and in line with company policies and procedures.

You'll be responsible for raising purchase orders, supporting supplier onboarding activities, maintaining supplier records and ensuring compliance documentation remains accurate and up to date. The role will involve working closely with suppliers, project teams, depot staff and finance colleagues across the business.

• Raise and manage purchase orders through Sage for business and project requirements
• Support purchasing activities across operational and project teams
• Manage procurement enquiries and maintain effective communication with stakeholders
• Liaise with finance teams regarding supplier invoices and purchase order requirements
• Produce procurement and supplier reports using Sage and internal systems
• Coordinate supplier onboarding activities, including issuing PQQ packs and collecting required documentation
• Review supplier submissions and ensure approval requirements are met
• Manage supplier approval workflows involving management, directors and HSEQ teams
• Maintain approved supplier databases and ensure records remain accurate
• Monitor supplier compliance documentation, certifications and insurance renewals
• Proactively obtain updated compliance information from suppliers as required

• Support operational teams, depot staff and project managers with procurement queries
• Provide updates on supplier onboarding progress to key stakeholders
• Maintain accurate procurement records and auditable documentation
• Support continuous improvement of procurement processes and controls
• Ensure procurement activities align with company governance requirements

You’ll be a highly organised administrator with experience supporting…