Job Description

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About the role

The Software Engineering Specialist independently executes advanced activities to deliver the engineering strategy and roadmap that supports BT's commercial strategy through cross functional business partnering and the participation of a team that pursues innovation as well as engineering excellence.

What you’ll be doing

S2P Functional Ownership

• Own the end to end S2P process model, covering:

o Sourcing & contracting

o Requisition to Purchase Order (R2P)

o Invoice processing & 3 way matching

o Travel & Expense management

o Payments, accruals, and reporting

• Define and maintain global S2P process standards, controls, and policies.
• Act as the functional decision authority for S2P design changes and enhancements.

SAP & Platform Functional Leadership

• Provide functional leadership across:

o SAP S/4HANA (MM & FI touchpoints)

o SAP Ariba (Buying, Invoicing, Sourcing, Contracts)

o SAP Concur (Travel & Expense)

o VIM (OpenText / SAP VIM)

• Validate solution designs from a business, finance, and compliance perspective.
• Ensure functional consistency and integration across SAP and SaaS platforms.

Finance, Controls & Compliance

• Ensure S2P processes support:

o Financial posting accuracy

o Approval and segregation of duties controls

o Audit, SOX, and regulatory requirements

• Own S2P related control frameworks, KPIs, and risk management actions.
• Partner with Finance Controllers, Audit, and Risk teams to support assurance activities.

Transformation & Change Delivery

• Act as functional lead for S2P transformation initiatives, including:

o SAP S/4HANA upgrades or rollouts

o Ariba / Concur / VIM implementations or enhancements

• Work closely with Solution Architects and Designers to:

o Translate business needs into functional requirements

o Validate designs before build

• Lead functional input into SIT, UAT, cutover, and hypercare.

Stakeholder & Vendor Management

• Be the primary S2P functional contact for:

o Procurement leadership

o Finance & AP operations

o IT delivery and architecture teams

o System Integrators and vendors

• Provide functional impact assessments and recommendations to leadership.
• Support prioritisation of change demand and defect remediation.

Essential Skills / Experience

• 7–10 years of experience in Source to Pay, Procurement, or Finance process leadership roles.
• Strong functional expertise in:

o SAP S/4HANA

o SAP MM

o SAP Ariba

o SAP Concur

o VIM (OpenText or SAP)

• Deep understanding of S2P business processes and financial controls.
• Experience working with large, multi vendor SAP landscapes.
• Strong stakeholder, governance, and decision making skills.

Desirable Skills / Experience

• Experience leading S2P workstreams in large transformation programmes.
• Exposure to telecom or highly regulated enterprise environments.
• Knowledge of SAP Central Finance impacts S2P processes.
• Experience working within Agile / SAFe delivery models.
• SAP or procurement related certifications.

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.