FM Administrator, Reading

COMMERCIAL & SUPPLIER ADMINISTRATOR

Contract: Professional Services, Production & Technology

Location: Reading, RG2 6UU - hybrid

Hours of work: 37.5

Contract Type: Permanent

We are seeking a Commercial & Supplier Administrator to provide essential commercial, operational and financial support across the account.

This role plays a key part in ensuring business cases, purchase orders and supplier engagements are managed accurately and efficiently, supporting informed operational and commercial decision‑making.

Job Description

Working closely with Commercial, Operations and Finance teams, you will help ensure pricing accuracy, supplier compliance and smooth end‑to‑end job delivery.

With strong attention to detail and a collaborative approach, you will support operational excellence while maximising available commercial opportunities.

Key Responsibilities

• Raise, manage and maintain business cases, including daily oversight of the Business Case Register
• Create, manage, receipt and close purchase orders following business case approval
• Track job completion, receipt invoices and ensure accurate closure of business cases
• Review, validate and challenge supplier quotations, schedules of rates and pricing accuracy
• Support timely, accurate invoicing and resolve commercial queries with Operations and Finance teams
• Assist with pricing for new opportunities, contract price changes and optimisation of commercial models
• Liaise with Operations teams and suppliers to support successful job delivery and completed works review
• Support supplier compliance and documentation, including RAMS, standing instructions, certifications, insurance and SAWD

About You

• Proven experience raising purchase orders and managing supplier spend
• Strong communication skills with the ability to engage stakeholders at all levels
• Proficient in Microsoft Office applications
• Experience providing administrative support, ideally within a Facilities Management environment
• Proactive, flexible and adaptable approach to work
• Team‑focused with a high level of self‑motivation
• Good understanding of client business needs and key commercial drivers

The Company

ISS is a global leader in workplace and facilities management, helping organisations create environments where people and businesses can thrive. We partner with clients across sectors—from healthcare to finance—to deliver smart, sustainable solutions that improve everyday experiences.

We’re proud to be an inclusive employer, committed to diversity, wellbeing, and supporting the Armed Forces community.

As a Disability Confident employer, we’re committed to making our recruitment process accessible. If you require any adjustments, please contact our Resourcing Team—we’ll be happy to support you.

Join ISS and be part of something bigger.

If you have any further queries regarding this role, please contact the Resourcing Team by emailing