Commercial Administrator

Description

Job Summary: The Commercial Administrator supports the Commercial Team in delivering effective commercial control across projects, ensuring all processes are organized, traceable, and aligned with Mercury's procedures. Key Highlights: 1. Manages commercial documentation, procurement, and financial tracking. 2. Collaborates with quantity surveyors and commercial managers in data centre environments. 3. Supports subcontract administration and tender processes. Mercury is the European leader in construction solutions. We build and manage complex engineering \& construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again. We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including: Enterprise Data Centres, Advanced Technology \& Life Sciences, Hyperscale Data Centres, Fire Protection. At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential. **Role Overview** The Commercial Administrator supports the Commercial Team in delivering effective commercial control across projects, ensuring all processes are organized, traceable, compliant, and aligned with Mercury procedures. Working closely with Quantity Surveyors (QS), Commercial Leads, and Commercial Managers, this role is critical in managing commercial documentation, procurement administration, financial tracking, and reporting, particularly in fast\-paced data centre environments. **Key Responsibilities of the Role:** **Commercial Administration \& Compliance** * Maintain structured and up\-to\-date commercial documentation and filing systems * Control and track contracts, subcontracts, LOIs, POs, and change orders * Manage commercial trackers (variations, subcontracts, procurement logs, payments) * Maintain and track Authority Matrix approvals **Project \& Commercial Support** * Support QS and Commercial Managers with daily commercial activities * Prepare documentation for valuations, cost reports, and commercial submissions * Compile supporting documentation for variations and claims * Assist with commercial reporting (cashflow, commitments, cost tracking) **Procurement \& Tender Support** * Support procurement processes, including requisitions and purchase orders * Track and manage tender enquiries, PQQs, and submissions * Assist with tender reviews, RFIs, cost estimates, and commercial submissions * Participate in procurement reviews and ensure compliance with procedures **Subcontract \& Payment Administration** * Support subcontract administration (contracts, bonds, insurances, compliance) * Track invoices, payment certificates, and approval workflows * Monitor payments and support resolution of delays * Assist with invoice reconciliation and subcontract balances **Change Management (Variations)** * Maintain variation registers and track status (submitted, approved, pending, etc.) * Support preparation of variation submissions and backup documentation **Financial \& System Support** * Assist with commitments tracking and PO control * Contribute to invoice tracking, GRNs, and financial reporting **Coordination \& Stakeholder Management** * Liaise with internal teams (Procurement, Finance, Site, Planning, PM) * Support project delivery in line with Mercury standards and processes **Essential Criteria for the Role:** * 2–3 years’ experience in Commercial/Procurement/Project Administration * Strong administrative and organisational background * Advanced Microsoft Office (Excel, Word, Outlook) * ERP systems experience (SAP preferred) * Understanding of commercial/project processes and documentation * Strong attention to detail and organisation * Ability to prioritise and work under pressure * Effective communication and interpersonal skills * High standard of work quality and presentation ***Mercury is an equal opportunities employer*****.** **Commercial Administrator, Madrid** Mercury is the European leader in construction solutions. We build and manage complex engineering and construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again. We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including: Enterprise Data Centres, Advanced Technology \& Life Sciences, Hyperscale Data Centres, Fire Protection. At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential. **Role Overview:** The Commercial Administrator supports the Commercial Team in delivering effective commercial control across projects, ensuring all processes are organized, traceable, compliant, and aligned with Mercury procedures. This role, involving close collaboration with quantity surveyors, commercial leads, and commercial managers, is critical for managing commercial documentation, procurement administration, financial tracking, and reporting—particularly in fast\-paced data centre environments. **Key Responsibilities of the Role:** **Commercial Administration \& Compliance** * Maintain structured and up\-to\-date commercial documentation and filing systems. * Control and track contracts, subcontracts, letters of intent (LOIs), purchase orders (POs), and change orders. * Manage commercial trackers (variations, subcontracts, procurement logs, payments). * Maintain and track Authority Matrix approvals. **Project \& Commercial Support** * Support quantity surveyors and commercial managers with daily commercial activities. * Prepare documentation for valuations, cost reports, and commercial submissions. * Compile supporting documentation for variations and claims. * Assist with commercial reporting (cash flow, commitments, cost tracking). **Procurement \& Tender Support** * Support procurement processes, including requisitions and purchase orders. * Track and manage tender enquiries, pre\-qualification questionnaires (PQQs), and submissions. * Assist with tender reviews, requests for information (RFIs), cost estimates, and commercial submissions. * Participate in procurement reviews and ensure compliance with procedures. **Subcontract \& Payment Administration** * Support subcontract administration (contracts, bonds, insurances, compliance). * Track invoices, payment certificates, and approval workflows. * Monitor payments and support resolution of delays. * Assist with invoice reconciliation and subcontract balances. **Change Management (Variations)** * Maintain variation registers and track status (submitted, approved, pending, etc.). * Support preparation of variation submissions and backup documentation. **Financial \& System Support** * Assist with commitments tracking and PO control. * Contribute to invoice tracking, goods received notes (GRNs), and financial reporting. **Coordination \& Stakeholder Management** * Liaise with internal teams (Procurement, Finance, Site, Planning, Project Management). * Support project delivery in line with Mercury standards and processes. **Essential Criteria for the Role:** * 2–3 years’ experience in Commercial/Procurement/Project Administration. * Strong administrative and organisational background. * Advanced Microsoft Office (Excel, Word, Outlook). * ERP systems experience (SAP preferred). * Understanding of commercial/project processes and documentation. * Strong attention to detail and organisation. * Ability to prioritise and work under pressure. * Effective communication and interpersonal skills. * High standard of work quality and presentation. ***Mercury is an equal opportunities employer.***