Senior Cost Controller

PWHytek Ltd.; United Kingdom; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

PWHytek Ltd. in Berkshire is seeking an experienced Senior Cost Controller for a major nuclear project. The role combines on-site presence 2–3 days a week with remote work for the remainder, supporting cost control, reporting and SAP administration across functions.

The successful candidate will collaborate with Project Managers, Supply Chain and Finance to ensure robust governance, accurate costs and timely monthly reporting. Nuclear project experience is highly valued.

Qualifications

• Significant experience in a Cost Controller or Senior Cost Controller role.
• Strong SAP knowledge is essential.
• Experience in engineering, construction, or project-based environments.
• Advanced Excel skills and labour costing understanding.
• Excellent communication and attention to detail.

Responsibilities

• Deliver accurate cost control and financial reporting across projects.
• Manage SAP administration and month-end reporting.
• Process timesheets, per diems, and PO-related activities in SAP.
• Review GRNs and supplier invoices; maintain cost allocations.
• Produce SAP-based monthly project phase reports and invoices.

Skills

Cost control

SAP knowledge

Excel

Analytical thinking

Communication skills

Tools

SAP

Job description

We are looking for an experienced Senior Cost Controllerto join our team in Berkshire, on one of the UK's largest and most complex nuclear projects.

Our client is looking for the SCC to come in and support the completion of the project - Due to complete Feb 2027.This role will be based 2/3 days from site in Burghfield and the rest of the week remote.

As the Senior Cost Controller, you will be responsible fordelivering accurate cost control, financial reporting, project support, and SAP administration across multiple business functions. The successful candidate will work closely with Project Managers, Supply Chain, Finance, and operational teams to ensure robust financial governance and timely reporting.

This is an excellent opportunity for someone with strong SAP knowledge, exceptional analytical skills, and experience working within project-based environments.

Key Responsibilities

About You

You will have:

• Significant experience in a Cost Controller or Senior Cost Controller role.
• Strong working knowledge of SAP (essential).
• Experience working within engineering, construction, manufacturing, utilities or project-based environments.
• Excellent understanding of labour costing, purchase orders, accruals and month-end reporting.
• Strong analytical and problem-solving skills with excellent attention to detail.
• Advanced Microsoft Excel skills.
• Excellent communication skills with the ability to work effectively across Finance, Operations, Supply Chain and Project Management teams.
• Ability to manage multiple priorities while meeting strict reporting deadlines.

Timesheet & Labour Cost Management

• Review, approve and process weekly blue-collar timesheets and per diems within SAP.
• Rectify invalid project team timesheets and resolve SAP posting errors.
• Add and manage timesheet information from booking codes.
• Perform weekly timesheet analysis to identify missing, incorrect or outstanding entries.

Supply Chain & Cost Control

• Review and process Goods Received Notes (GRNs) and supplier invoices.
• Raise Purchase Orders within SAP.
• Manage project cost codes and maintain accurate cost allocations.
• Support project teams with PO reviews, coverage and process improvements.
• Assist Supply Chain with supplier selection and onboarding to the Approved Vendor List (AVL).

SAP Financial Reporting

• Produce monthly SAP reports for project phases and departmental cost tracking.
• Populate supply chain, T&S and accrual information within SAP.
• Retrieve invoice and T&S backup data for monthly reporting.
• Generate sales invoices in SAP upon receipt of approved payment certificates.

Month-End Activities

• Deliver accurate month-end labour, per diem and supply chain reporting.
• Produce weekly labour resource reports for site teams.
• Provide project managers with statements of non-chargeable hours allocated to projects.
• Support month-end financial close activities, ensuring deadlines are met.