ISS Facilities Services • Reading, Berkshire

Commercial & Supplier Administrator

About this role

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

Professional and Personal Competencies/Qualifications

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 world-leading workplace and facility management company, connecting people and places to make the world work better. Working with customers day by day, side by side, we understand every aspect of the user experience.

Through a unique combination of intelligent solutions, high standards and people who care, to help our customers achieve their purpose, whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people.

We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #Becomewhoyouwant, #Bepartofsomethingbigger,

#aplacetobeyou,

#facilitiesmanagement

ISS is proud to be a diverse and inclusive employer.

ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background.

We are proud to be a Gold Employer Recognition Scheme (ERS) award holder and a signatory of the Armed Forces Covenant, recognising our commitment to supporting veterans, reservists, and military families. Through our Joint Forces Programme, we provide mentoring and support to members of the Armed Forces community and their spouses as they transition into civilian careers.

We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme.

Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work.

If you have any further queries regarding this role, please contact the Resourcing Team by emailing resourcing.team@uk.issworld.com

Proud member of the Disability Confident employer scheme

Disability Confident

About Disability Confident

A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.