Senior Finance Manager

Company: Costain Group PLC
Apply for the Senior Finance Manager
Location: Maidenhead
Job Description:

Job Description

An exciting opportunity has arisen for an ambitious finance professional looking to progress their experience within a FTSE listed construction business with a track record of delivering high profile infrastructure projects. This critical role within the R2R function involves collecting, processing, validating, and presenting accurate financial data, while providing strategic, financial and operational feedback on the performance of the company to senior management.

The role will involve setting up and developing the R2R processes, supporting the Head of Finance Shared Services, and delivering day‑to‑day finance activities. It provides exposure to senior management of the group and other central finance functions, offering an excellent opportunity to demonstrate capability for further advancement.

Key Responsibilities

You will be strong in your accounting capabilities, responsible for the financial reporting and output of the team ensuring accuracy and timeliness to tight deadlines. You must be able to identify risks and opportunities to steer improvement to the R2R processes, enabling the business to drive forward. Be commercially aware to convey financial information to a broad spectrum of stakeholders.

It is essential that you have strong leadership skills and can coordinatively direct, coach, and develop a large team.

Primary Responsibilities

  • Management & development of 3 direct reports and 10 indirect reports.
  • Manage and review the day‑to‑day operations of the R2R team, ensuring the establishment and maintenance of an effective business control framework in line with business expectations.
  • Manage & review the month‑end accounting close incorporating accruals, prepayments, fixed asset accounting and reporting flash numbers, ensuring robust and timely financial results and support the business partners with their reported numbers for all entities, identifying and resolving all risks.
  • Lead the governance of the Group Recharges, ensuring supplier meetings are held, Group recharge workbooks are reviewed, iCostnet is maintained so all documentation is accessible & assist in the accurate control of client recoverability for the project accountants.
  • Work with the Commercial teams to ensure full understanding of how the different contracts work, understanding the different charge‑out rates and working with the wider finance teams to influence understanding and changes if necessary.
  • Lead the delivery of the Balance Sheet Reconciliation & Control processes for all entities, to ensure the accuracy, integrity, and timeliness of the general ledger to support management and statutory reporting.
  • Drive standard processes through principles of simplification, standardisation, and, working with the wider teams, automation where appropriate.
  • Lead the delivery of any external returns and statements managed by the R2R team.
  • Ownership and setting the overall R2R efficiency, reporting targets and KPI’s to drive continuous improvement.
  • Support Head of Financial Shared Services with risk areas both in the team &/or process control.
  • Support Ad‑hoc projects including system developments where necessary.

Experience

Well documented experience in a similar finance systems role.

Management, development and coordination of large teams is essential.

Proven experience of process and systems optimisation, particularly from an R2R perspective.

Demonstrate track record of experience in managing cashflows and working capital management.

Working with Oracle Enterprise One, or similar ERP system, is desirable.

Skills

Effective leadership in adversity, maintaining morale and focus during challenging times. Anticipates potential setbacks and develops contingency plans to mitigate their impact, implements processes that support team resilience, such as regular debriefings and well‑being initiatives, and mentors team members in applying critical thinking to their work.

Can prepare, present and explain complex management reporting/financial performance and explain complex financial themes with relevant insights to improve business performance independently of support.

Ability to review and identify risk within the balance sheet, explain double entry and reconciliations, and provide reasoned advice on monitoring, analysing reports, and advising on project cashflows and profitability.

Identifies process weaknesses and provides practical solutions, ensuring internal controls are followed, challenging the process / procedure and recommending improvements, and identifying procedure and process areas that can be improved through technology to increase productivity, reduce cost and improve accuracy.

Personal Attributes

Strong leader with the ability to build positive relationships at all levels, gravitas to influence, challenge and support in a matrix environment.

Displays strong commercial awareness, vigilant attention to the changing business environment and emerging opportunities and risks.

Hands‑on approach to Operational Finance.

Sets and achieves high standards for themselves and for others, takes personal accountability for results.

Identifies, anticipates, and navigates problems and obstacles to performance in an orderly and calm manner, responding creatively to personal and team challenges.

Communicates openly and honestly with others, listens to differing views and seeks to create a common understanding and agreement to proposed actions.

Qualifications

  • Qualified Chartered Accountant or Certified Practising Accountant (ACA/ACCA/CIMA)

Equal Opportunity Statement

Costain is a Disability Confident employer and will offer an interview to any applicant who discloses a disability and meets the minimum criteria for the job as defined by the employer. The employer may limit the overall numbers of interviews offered to disabled people and non‑disabled people in certain recruitment situations such as high‑volume, seasonal and high‑peak times.

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Posted: May 17th, 2026