Cost Clerk​/Commercial Administrator

Job Description

Role:
Cost Clerk / Cost Administrator
Salary: £30,000 – £34,000 (DOE & travel flexibility)

Location:

Manchester, Preston, Derby or Nottingham
Working Pattern:
Hybrid – office & home working
Sector:
Rail & Civil Engineering (Tier 1 Contractor)

About the Company

Our client is a Tier 1 contractor to Network Rail, delivering a wide range of rail and civil engineering works across the UK. The business provides multi-disciplinary services including civil engineering, infrastructure maintenance and reactive works, operating across multiple live frameworks.

The company has grown significantly over recent years while maintaining excellent staff retention and a strong culture of long-term development. Many employees have been with the business for over a decade, reflecting stability, career progression and a supportive working environment.

About the Role

The Cost Clerk / Cost Administrator will support the commercial and finance functions by owning the administration and processing of supplier and subcontractor invoices.

This is a highly structured, detail-focused role where accuracy and organisation are key. The successful candidate will act as the central point of contact for cost and invoice queries, ensuring all supplier invoices are correctly aligned to purchase orders, cost codes and certification dates within the cost management system.

This role is ideal for someone who enjoys working with processes, data and spreadsheets, and who takes pride in keeping systems accurate and up to date.

Key Responsibilities

Manage a central shared inbox receiving invoices from subcontractors and ad-hoc suppliers

Accurately log, check and process invoices within the cost management system

Ensure invoices are correctly matched to purchase orders (POs) and cost codes

Validate invoices against certification dates and contractual requirements

Place invoices on hold where required and resolve discrepancies

Act as the first point of contact for supplier, commercial and internal cost queries

Liaise with project teams, commercial staff and finance to resolve invoice issues

Maintain clear audit trails and supporting documentation

Support month-end processes and reporting where required

Ensure all cost administration processes are followed consistently and accurately

Requirements

Essential:

Previous experience in a Cost Clerk, Cost Administrator, Accounts Assistant or similar administrative role

Experience processing invoices and supporting payment processes

Strong Excel skills and confidence working with spreadsheets and data

Highly organised with excellent attention to detail

Confident managing a busy shared inbox and prioritising workloads

Desirable:

Experience with in construction, civil engineering or rail environments

Familiarity with cost management or finance systems

Willingness to travel between regional offices when required

Location & Working Pattern

Role can be based from Manchester, Preston, Derby or Nottingham

Hybrid working available

Lower salary band applies to candidates based primarily in one office (Manchester or Preston) OR (Derby or Nottingham) with 3 days in the office / 2 days from home

Upper salary band applies to candidates willing to travel between regional offices (Manchester, Preston, Derby and Nottingham) during working hours

Standard hours:
Monday to Friday, 8:30am – 5:00pm

Package & Benefits

£30,000 – £34,000 basic salary

Company pension and employee benefits

Training and development opportunities

Long-term career progression within a stable and growing Tier 1 contractor

Ganymede is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation