Monica Clerkin

Highly organised and results-driven Administrator / Assistant Buyer with extensive experience supporting business operations across construction, infrastructure, procurement, transport, payroll and office administration environments. Demonstrates strong expertise in purchasing, invoice processing, supplier coordination, onboarding and process improvement. Proven ability to streamline operations, improve efficiency and maintain high standards of accuracy, compliance and customer service.

Recognised as a proactive problem solver with excellent interpersonal, organisational and stakeholder management skills.

Assistant Buyer / Payroll Coordinator - Guildmore Construction

(2025-07 - 2026-06)

Key Responsibilities & Achievements:

• Supported procurement and purchasing administration across operational projects
• Obtained and compared supplier quotations to achieve value and efficiency
• Raised purchase orders and tracked deliveries to maintain continuity
• Maintained procurement records and documentation accurately
• Processed weekly and monthly payroll within deadlines
• Managed employee timesheets and payroll information confidentially
• Resolved payroll queries and liaised with employees and management teams

Administrator / Procurement & Operations Support - JB Riney, London, UK - London, UK

(2023-08 - 2025-07)

Contract. Key Responsibilities & Achievements:

• Validated invoices and ensured accurate billing and system processing
• Produced customer billing documentation for timely distribution
• Identified discrepancies and supported prompt resolution
• Coordinated transport scheduling and operational logistics
• Supported procurement, purchasing and plant/equipment hire activities
• Maintained accurate business records and reporting metrics
• Improved efficiency across transport, procurement and billing processes
• Delivered high levels of customer service and stakeholder support

Assistant Buyer - Milestone Infrastructure, London, UK - London, UK

(2022-01 - 2023-12)

Maternity Cover Contract. Key Responsibilities & Achievements:

• Negotiated supplier pricing, discounts and delivery schedules
• Monitored market trends and pricing movements
• Managed supplier and customer communications
• Liaised with Accounts teams to ensure prompt invoice payments
• Maintained inventory and purchasing records
• Raised purchase orders and managed procurement documentation
• Built effective working relationships with internal departments and customers
• Developed systems and processes to improve operational efficiency

Onboarding & Training Coordinator - SCS Railways – HS2 Main Works, London, UK - London, UK

(2020-01 - 2021-12)

Contract. Key Responsibilities & Achievements:

• Managed onboarding and training coordination processes
• Maintained competency cards, medical records and compliance documentation
• Coordinated Occupational Health activities and workforce readiness
• Issued site access cards and onboarding reports
• Supported legally compliant workforce planning
• Introduced improvements to onboarding procedures and administration

Commercial Assistant / Office Manager - John F Hunt – HS2 Project Enabling Works, London, UK - London, UK

(2018-01 - 2019-12)

Contract. Key Responsibilities & Achievements:

• Managed supplier and compliance databases
• Delivered administration, finance and accounting support
• Processed invoices and resolved discrepancies
• Coordinated inductions and compliance activities
• Supported procurement, inventory and supplier sourcing
• Managed GDPR, Health & Safety and insurance administration
• Implemented improved operational procedures and controls

Receptionist / Administrator – Renewable Energy - Dong Energy, London, UK - London, UK

(2016-01 - 2017-12)

• Managed reception and meeting room operations
• Coordinated resources across multiple meeting spaces
• Managed high-volume communications and reporting activities
• Supported administration and business operations

Receptionist / Administrator / Facilities Assistant - Caplin Systems Ltd., London, UK - London, UK

(2006-01 - 2015-12)

• Managed administration and reception services
• Coordinated travel and diary management for senior leaders
• Supported facilities contracts and purchasing activities
• Assisted with accounts and operational administration

Section Administrator - Network Rail

Project Administrator / Office Manager - Keltbray

Health & Safety Compliance Assistant - LB Foster

Commercial Assistant - Wates Construction

Palace of Westminster Life Safety Project

Health & Safety Administrator - Costain / Skanska

HS2 Project Enabling Works

Receptionist / Administrator - Siemens Traincare Facility

Meeting Room Booking Coordinator - Deloitte

Administrator / Receptionist - Xpert Management Services

Administrator / Receptionist - The Prince's Foundation

Administrator / Receptionist - Eden Brown Recruitment

Evening Receptionist / Security - Sheppard Robson Architects