Interim Commercial Administrator: Data, Invoices & Tracking

Confidential; England; On-site; GBP 25,000 - 36,000; Full time

Job summary

Connect it Utility Services is looking for an organised Interim Commercial Administrator to join our Commercial, Estimating and Cost Control team and provide vital support across a diverse portfolio of projects. You will help manage records, trackers and documentation while developing commercial knowledge in a fast-paced environment.

This role focuses on data, reporting and invoicing activities within a utilities context, offering exposure to variation management and payments processes.

Qualifications

• Experience in commercial administration, project support, finance, construction, utilities or similar.
• Excellent organisational skills with the ability to manage multiple tasks and priorities.
• High accuracy and attention to detail when handling records and financial information.
• Experience maintaining trackers, registers and administrative records.
• Strong written and verbal communication and stakeholder relationship skills.
• Proficient in Microsoft Office and CRM/document management platforms.
• Ability to identify information gaps and follow through on actions.

Responsibilities

• Maintain accurate commercial records, registers and tracking systems, audit-ready.
• Manage variation, instruction, query and action registers, monitor milestones.
• Collate documentation including quotations, drawings, site records, photos, and evidence.
• Prepare variation packs, trackers, reports for internal and customer needs.
• Follow up outstanding actions and escalate issues as appropriate.
• Support applications for payment, invoicing and revenue administration.
• Maintain commercial information in customer portals and business systems.
• Produce regular reports on variations, invoices, applications and performance.
• Support supplier and subcontractor administration and documentation.
• Assist with commercial meetings by preparing information and recording actions.
• Build relationships with internal teams, customers, suppliers and subcontractors.
• Contribute to improvements of commercial processes, reporting and records.

Skills

Organisational skills

Attention to detail

Communication skills

Microsoft Excel

CRM systems

Document management

Data reporting

Education

Business Administration qualification

Equivalent practical experience

Tools

Excel

Word

Outlook

Job description

Connect it Utility Services is looking for an organised Interim Commercial Administrator to join our Commercial, Estimating and Cost Control team and provide vital support across a diverse portfolio of projects. You will help manage records, trackers and documentation while developing commercial knowledge in a fast-paced environment.

This role focuses on data, reporting and invoicing activities within a utilities context, offering exposure to variation management and payments processes.