Digital Core TCO Manager

JR United Kingdom; Maidenhead; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A prominent organization in the United Kingdom is seeking a Digital Core TCO Leader to manage the end-to-end cost view of its global transformation program. You will collaborate with various teams to perform financial modeling, scenario planning, and support strategic decision-making. The ideal candidate has robust FP&A experience and strong communication skills. Competitive salary and comprehensive benefits included.

Benefits

Best-in-class learning and development support

Industry competitive salary

Company bonus

Qualifications

• 5+ years of experience in FP&A, financial modeling, or investment analysis roles.
• Proven ability to build complex financial models that drive strategic decision-making.
• Experience with technology-related costing preferred.

Responsibilities

• Develop and maintain detailed Total Cost of Ownership models.
• Support strategic decisions by modeling financial scenarios.
• Provide insights into run and maintain costs vs. transformation investments.

Skills

Financial modeling

Communication skills

Detail-oriented

Proactive mindset

Education

Bachelor’s degree in Finance, Accounting or related field

Job description

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Job Description:

As the Digital Core TCO (Total Cost of Ownership) Leader, you will be the FP&A Associate responsible for modeling and managing the end-to-end cost view of Mars’ global Digital Core transformation program. This role is pivotal in helping program and enterprise leadership make informed decisions by providing a comprehensive and dynamic view of the financial implications of design, scope, deployment, and operating model choices.

You will work cross-functionally with MGS and segment finance teams, DT teams, transformation leaders, and external partners to assess the TCO of each system within scope, and build forward-looking cost models that support scenario planning, trade-off analysis, and long-term investment strategy.

What are we looking for?

• Bachelor’s degree in Finance, Accounting or related field (MBA or CPA a plus)
• 5+ years of experience in FP&A, financial modeling, or investment analysis roles—ideally within a large transformation or technology program
• Proven ability to build complex financial models that drive strategic decision-making
• Experience with enterprise systems or technology-related costing (e.g., ERP, SaaS, infrastructure) preferred
• Strong business acumen and ability to translate technical discussions into financial insights
• Excellent communication skills with the ability to influence and collaborate across functions and levels
• Detail-oriented with a proactive, solution-oriented mindset

What will be your key responsibilities?

• Develop and maintain detailed Total Cost of Ownership models for all systems and components within the Digital Core program (including SAP S/4HANA and edge systems).
• Support strategic decisions by modeling financial scenarios across different operating models, deployment timelines, and program choices.
• Provide insight into run and maintain costs vs. transformation investments to help optimize resource allocation and long-term value delivery.
• Support business case development and ongoing updates, aligning assumptions and inputs with evolving program scope.
• Coordinate with segment finance and functional leads to gather input, align assumptions, and ensure coherence across cost models.
• Communicate financial impact of options clearly to finance and non-finance stakeholders, enabling data-driven decision-making.
• Ensure accuracy, transparency, and version control of TCO models to maintain a single source of truth.

What can you expect from Mars?

• Work with diverse and talented Associates, all guided by the Five Principles.
• Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.
• Best-in-class learning and development support from day one, including access to our in-house Mars University.
• An industry competitive salary and benefits package, including company bonus.

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