via reed · 2 June 2026 ·11 days ago

Commercial Assistant

SGN
London Full-time
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Commercial Assistant

Flexible Southern SGN Location (Horsham, Portsmouth and Epsom)

£29.9k - £40k per annum (dependent on skills and qualifications)

Full Time | Hybrid

Joint-contribution pension from 6% (12% total) – Enhanced maternity & family leave – Life assurance – HolidayPlus – Virtual GP & Employee Assistance Programme plus retail and leisure discounts & many more.

REQ5727

SGN is seeking a proactive and organised Commercial Assistant to join our Supplier Management team. This is an excellent opportunity to develop a career in commercial and contract management within a regulated and operationally critical industry.

The overall purpose of this role is to provide commercial and administrative support across the Supplier Management function, ensuring effective contract administration, accurate commercial records and consistent support to operational and commercial activities.

The role supports Commercial Managers and Lead Commercial Managers in the management of contractor payments, commercial governance, variation tracking, reporting and compliance activities across allocated contracts and regions.

We deliver safety, warmth, and comfort to homes and businesses. Every role, whether in the office or on the front line, plays a key part in this mission. Here’s how you will contribute…

· Supporting the contractor payment and certification process

· Maintaining accurate commercial records, trackers and documentation

· Supporting variation management and commercial governance activities

· Assisting with reporting, audit and compliance requirements

· Providing administrative and commercial support across Supplier Management activities

· Supporting consistency and continuous improvement across commercial processes and ways of working

What you will need

· Organisational, administrative and numeracy skills

· Good attention to detail and ability to maintain accurate records

· Experience working with financial, commercial, or contract administration processes desirable

· Good working knowledge of Microsoft Office applications including Excel, Word and SharePoint

· Ability to work collaboratively across teams and manage multiple priorities

The following experience and qualifications are desirable:

· Experience within utilities, construction, infrastructure or regulated industries

· Exposure to NEC contracts and/or Construction Act processes

· Experience supporting commercial, procurement or supplier management functions

Not sure you meet every requirement?

Research shows some people – particularly women and those from underrepresented backgrounds – may hesitate to apply unless they meet every criteria. At SGN, we value diverse backgrounds, experiences and perspectives.

If this role interests you but you’re not sure you tick every box, we’d still love to hear from you. You might be just who we’re looking for – now or in the future.

Why SGN?

SGN leads pioneering research and development for a energy system. Our innovative technologies are transforming the gas industry while keeping people safe and warm. We are an award-winning employer, including CCA Gold Awards for Great Places to Work and Inclusivity and Accessibility, and a proud Gold member of the Armed Forces Covenant.

If you require any accommodations or support during the application process, reach out to us. We're here to help ensure an inclusive and accessible experience for everyone.

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