Source-to-Pay (S2P) Business Systems Manager

Corporate Office – Newton, MA•Newton, MA

2d•$87,000 - $100,000

About The Position

The Source-to-Pay (S2P) Business Systems Manager is responsible for the end-to-end enablement and optimization of Sonesta’s sourcing-to-payment ecosystem, including sourcing, contract and vendor management, procurement, invoicing, payment, and cash visibility. This role serves as the functional owner, systems analyst, and project lead for S2P tools and workflows, focusing on driving adoption, policy adherence, automation, and actionable reporting. Partnering across Procurement, Finance, Operations, IT, and vendors, the role ensures existing systems are effectively leveraged to improve financial insight, operational efficiency, and cash forecasting. The position emphasizes systems, analytics, and cross-functional execution, not transactional processing.

Requirements

5+ years of experience in Source-to-Pay, Procure-to-Pay, Procurement Operations, or Financial Systems
Bachelor’s degree in Accounting, Finance, Business, or Information Systems
Experience acting as a systems owner or functional analyst for AP, procurement or ERP platforms
Strong understanding of sourcing, contract management, P2P workflows, and payment controls
Proven ability to lead cross-functional initiatives without direct authority
End-to-end S2P process and systems thinking
Strong analytical and financial acumen
Project leadership and change-management capability
Collaborative, stakeholder-focused communication style
Passion for automation, adoption, and data-driven decision making

Responsibilities

S2P Systems Ownership & Optimization
Own functional design, governance, and optimization of S2P platforms (including Nexus and Yardi)
Design integrated workflows connecting sourcing, contracts, POs, invoices, and payments
Identify opportunities to reduce system fragmentation and improve automation and controls
Lead training efforts and develop documentation to support end-user adoption and compliance with S2P policies and best practices
Sourcing, Contracts & Vendor Enablement
Enable contract lifecycle visibility and linkage to purchasing and invoicing
Support sourcing and vendor/labor management (VMS) needs through system design and integration
Ensure supplier, pricing, and contract data flows downstream accurately
Project Leadership & Adoption
Lead cross-functional S2P initiatives and enhancement projects
Drive adoption of tools and processes that reinforce P2P/S2P policy compliance
Define project objectives, success metrics, and post-implementation performance tracking
Reporting, Analytics & Cash Visibility
Develop reporting and dashboards for spend, contracts, cycle times, exceptions, and supplier compliance
Enhance commitment, accrual, and liability visibility to support cash forecasting
Translate S2P data into decision-ready insights for Finance and Procurement leadership
Strategic AP Enablement
Provide systems oversight and analytical support to Accounts Payable
Ensure S2P workflows support internal controls, GAAP compliance, and efficient processing