Principal Consultant

Principal Consultant We're looking for a Principal Consultant to join our growing e-invoicing practice in a high-impact role that blends hands-on delivery, technical leadership, and pre-sales solutioning. You'll lead end-to-end implementation delivery for some of our most complex and strategic customers, from discovery through go-live and hypercare, while also providing technical oversight and quality leadership across the wider delivery team. In parallel, you'll partner with Sales and internal stakeholders to shape solutions, define scope, support proposals, and help win new business. This is more than a delivery role — it's an opportunity to become a trusted expert at the centre of customer success, delivery excellence, and commercial growth. Working closely with Sales, Customer Success, Product, and Delivery, you'll play a key role in solving complex challenges, guiding customers, and shaping how we scale our e-invoicing capability. About the Role In this opportunity as Principal Consultant, you will: Lead end-to-end delivery  of customer and large-scale e-invoicing implementations from discovery and scoping through go-live and hypercare, ensuring successful execution across business, technical, and compliance requirements. Drive customer discovery and solution design  by analysing business flows, transaction and document types, ERP landscapes, and O2C/P2P processes, while translating country-specific e-invoicing mandates into clear business and technical requirements. Own technical architecture and platform design  by acting as the platform specialist, defining integration approaches, data flows, connectivity patterns, validation logic, error handling, monitoring, and best-practice configuration decisions aligned to customer needs. Lead integration planning and technical coordination  with customer IT teams, covering interfaces, data formats, mapping logic, upstream dependencies, environment readiness, security requirements, and onboarding prerequisites across DEV, TEST, and PROD. Provide technical leadership across delivery projects  by reviewing and validating key implementation deliverables, serving as the senior escalation point for complex issues, and driving high-quality, consistent delivery standards across multiple parallel engagements. Build team capability and reusable delivery assets  by mentoring consultants, promoting best practices, and contributing tools such as discovery checklists, integration reference architectures, configuration playbooks, and lessons-learned documentation. Support strategic pre-sales and commercial solutioning  by partnering with Sales on discovery, technical qualification, solution architecture, effort estimation, SOW development, RFP/RFI responses, and governance activities to ensure strong handoff and delivery readiness. About You You’re a fit for the role of Principal Consultant, if you have the following required qualifications: Strong hands-on experience delivering ERP implementation and integration projects in B2B enterprise environments, with SAP or Oracle experience strongly preferred. Proven ability to independently lead complex, multi-workstream, multi-country implementation programs from discovery through go live. Deep expertise in integrating ERP systems with external platforms, including end-to-end integration design, delivery oversight, and troubleshooting at scale. Strong understanding of O2C and P2P processes and how they map to invoicing and compliance requirements across multiple geographies. Solid knowledge of enterprise integration technologies, patterns, and connectivity methods, including APIs, HTTPS, SFTP, web services, and middleware. Familiarity with key enterprise data formats such as XML, JSON, CSV, and EDI, with the ability to apply them in integration delivery contexts. Demonstrated strength in pre-sales solutioning, stakeholder communication, and independent delivery leadership, including scoping, estimating, SOW authoring, producing ... (truncated, view full listing at source)