Interim Commercial Administrator

Connect It Utility Services Limited; Southampton; Hybrid; GBP 24,000 - 30,000; Full time

Job summary

Connect It Utility Services Limited is seeking a commercially minded Administrator to join the Commercial, Estimating and Cost Control team for a 12‑month FTC. You will manage trackers, invoices and documentation, keep audit-ready records and help with variation packs and reporting.

You will support payment applications, data entry and customer portal updates while building strong relationships with internal teams and external stakeholders in a fast-paced utilities environment.

Qualifications

• Experience in commercial administration, project support, finance, construction, utilities or similar environment.
• Strong organisational skills with ability to manage multiple tasks and priorities.
• High level of accuracy and attention to detail with records, reports and financial information.
• Experience maintaining trackers, registers and administrative records.
• Strong written and verbal communication skills.
• Ability to build positive working relationships with stakeholders.
• Proficiency in Microsoft Office applications, especially Excel, Word and Outlook.
• Experience using CRM systems, document management platforms or customer portals.
• Identify information gaps proactively and follow through on actions.
• Commercial awareness and interest in variations, invoicing, project administration and cost control.

Responsibilities

• Maintain accurate commercial records, registers and tracking systems, audit-ready.
• Manage variation, instruction, query and action registers; monitor milestones.
• Collate supporting documentation: quotations, site records, photos and commercial evidence.
• Prepare variation packs, trackers, reports for internal and customer needs.
• Follow up outstanding actions and unresolved queries; escalate issues.
• Support applications for payment, invoicing and revenue administration processes.
• Maintain information in customer portals, business systems and document management platforms.
• Produce regular reports on variations, invoices, applications and performance.
• Support supplier and subcontractor administration and documentation.
• Assist with commercial meetings: prepare information, record actions and follow-up.
• Build relationships with internal teams, customers, suppliers and subcontractors.
• Contribute to continuous improvement of commercial processes and record management.

Skills

Organisational skills

Communication

Attention to detail

Microsoft Office

Education

Business Administration or related qualification

English & Mathematics proficiency

Tools

Excel

Word

Outlook

CRM systems

Job description

We need some additional admin support for the next 12months (FTC). If you’re an organised and proactive Commercial Administrator, you could be a great fit to join our Commercial, Estimating and Cost Control team, helping to provide vital support across a diverse portfolio of projects.

This is an excellent opportunity for someone with strong administrative skills who enjoys working with data, documentation and reporting, and is looking to develop their commercial knowledge within a fast-paced operational environment.

This is a 12month fixed term contract.

Location: Head office at Foundation House – Hedge End (Southampton).

• Maintain accurate commercial records, registers and tracking systems, ensuring information remains current and audit-ready.
• Manage variation, instruction, query and action registers, monitoring progress and key commercial milestones.
• Collate and coordinate supporting documentation, including quotations, drawings, site records, photographs and commercial evidence.
• Prepare variation packs, commercial trackers, reports and supporting information for both internal and customer requirements.
• Follow up outstanding actions, missing documentation and unresolved queries, escalating issues where appropriate.
• Support applications for payment, invoicing activities and revenue administration processes.
• Maintain commercial information within customer portals, business systems and document management platforms.
• Produce regular reports covering variations, invoices, applications, commercial actions and performance information.
• Support supplier and subcontractor administration activities and associated documentation.
• Assist with commercial meetings by preparing information, recording actions and supporting follow-up activities.
• Build effective working relationships with internal teams, customers, suppliers and subcontractors.
• Contribute to the continuous improvement of commercial processes, reporting and record management practices.

Qualifications

• Experience within a commercial administration, project support, finance, construction, utilities or similar environment.
• Strong organisational skills with the ability to manage multiple tasks and competing priorities.
• High level of accuracy and attention to detail when working with records, reports and financial information.
• Experience maintaining trackers, registers and administrative records.
• Strong written and verbal communication skills.
• Ability to build positive working relationships with internal and external stakeholders.
• Proficiency in Microsoft Office applications, particularly Excel, Word and Outlook.
• Experience using CRM systems, document management platforms, customer portals or similar systems.
• Ability to proactively identify information gaps and follow through on outstanding actions.
• Commercial awareness and an interest in variations, invoicing, project administration and cost control.
• Positive, proactive and solution-focused approach to work.

Educational Requirements

• Good standard of English and Mathematics.
• Relevant qualification in Business Administration, Finance, Commercial Management or a related discipline is advantageous.
• Equivalent practical experience will be considered.