Source to Pay (S2P) Solution Designer

Software Engineering Professional

Job Req ID: 58314

Posting Date: 11th May 2026

Function: Corporate Units

Location: Bengaluru 

Salary: Competitive

About the role

The S2P Solution Designer is responsible for detailed solution design, configuration support, and functional integration across the Source to Pay (S2P) landscape, working under the guidance of the Solution Architect.

The role ensures that business requirements are translated into well defined, build ready SAP and SaaS designs across SAP S/4HANA, SAP MM, Ariba, Concur, and VIM, supporting both transformation initiatives and BAU change.

What you’ll be doing

S2P Functional & Solution Design
•    Produce detailed functional and solution designs for S2P processes including: 
o    Requisition to Purchase Order (R2P)
o    Supplier onboarding and master data
o    Invoice processing and 3 way matching
o    Expense and travel processing
•    Translate business requirements into fit for purpose SAP and S2P platform designs.
•    Support solution design across SAP MM, Ariba, Concur, and VIM, aligned to architecture standards.

SAP & Procurement Platform Configuration Support
•    Support configuration and solution design activities for: 
o    SAP S/4HANA – MM & FI touchpoints
o    SAP Ariba (Buying, Invoicing, Sourcing, Contracts)
o    SAP Concur (Travel & Expense)
o    VIM (OpenText / SAP VIM) for invoice automation
•    Define process flows, data mappings, validation rules, and integration touchpoints.
•    Support integration design between SAP and SaaS platforms under architectural guidance.

Finance & Controls Alignment
•    Work closely with Finance, AP, Procurement, and Tax teams to ensure designs support: 
o    Financial posting accuracy
o    Approval controls and tolerances
o    Audit and compliance requirements
•    Assist in defining exception handling, error resolution, and reconciliation processes.
•    Ensure changes are aligned with BT governance, risk, and control frameworks.

Testing, Delivery & Support
•    Support SIT, UAT, regression testing, and defect triage.
•    Validate solution designs during build and testing phases.
•    Support cutover, hypercare, and steady state improvements.
•    Maintain clear design documentation, process diagrams, and configuration rationales.

Essential Skills / Experience

•    3–7 years of experience in SAP S2P / Procurement / Finance transformation roles.
•    Strong functional knowledge of Source to Pay processes.
•    Hands on experience with: 
o    SAP S/4HANA
o    SAP MM
o    SAP Ariba
o    SAP Concur
o    VIM (OpenText or SAP)
•    Good understanding of invoice processing, procurement controls, and financial postings.
•    Strong documentation, analytical, and stakeholder communication skills.

Desirable Skills / Experience

•    Experience working in large enterprises or telecom environments.
•    Exposure to integration concepts (SAP CPI / middleware awareness).
•    Experience supporting Ariba SAP or Concur SAP integrations.
•    Familiarity with Agile or hybrid delivery models.
•    SAP certification in MM, Ariba, or S/4HANA Finance

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.

A FEW POINTS TO NOTE:

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

DON'T MEET EVERY SINGLE REQUIREMENT?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.

Experience Level

Mid Level