Recruitment Consultant - Client Services at Square One Resources (UK & USA)
Job Title: OneSource Indirect Tax Technology Specialist
Location: Global (Fully Remote)
Contract: Long-Term
We are seeking a highly experienced Indirect Tax Technology Specialist to support the design, implementation, integration, and optimisation of ONESOURCE Indirect Tax solutions within complex enterprise environments.
The role will act as a Subject Matter Expert (SME) across indirect tax determination, working closely with Tax, Finance, IT, and external vendors to deliver robust, scalable tax technology solutions across global organisations.
Key Responsibilities
Indirect Tax & Tax Technology
Act as SME for ONESOURCE Indirect Tax Determination, supporting Sales & Use Tax, VAT, and GST processes
Provide expert guidance on US Sales & Use Tax and international indirect tax requirements
Support tax change management initiatives driven by regulatory or business change
Systems Integration & Delivery
Lead and support end-to-end implementations and upgrades of ONESOURCE Indirect Tax
Design and deliver integrations between ONESOURCE and enterprise systems including:
SAP ECC and SAP S/4HANA
Oracle E-Business Suite (R12)
JD Edwards, PeopleSoft, billing and POS systems
Produce and maintain:
Functional and technical design documents
Process flows and solution blueprints
Tax configuration and mapping documentation
Project & Stakeholder Management
Operate as Project Manager or Delivery Lead for tax technology initiatives where required
Run workshops to gather and validate business requirements
Coordinate with internal teams, systems integrators, and software vendors
Manage testing activities including:
Unit testing
Integration testing
User Acceptance Testing (UAT)
Ensure successful deployment into production with minimal business disruption
Required Experience & Skills
Extensive experience working with ONESOURCE Indirect Tax Determination
Strong background in Indirect Tax Technology (Sales & Use Tax, VAT, GST)
Proven experience integrating ONESOURCE with ERP systems, ideally SAP and/or Oracle
Hands‑on experience across implementation, configuration, testing, and support
Ability to translate tax and business requirements into technical solutions
Excellent stakeholder management and communication skills
Experience working in large enterprise or consulting environments
Exposure to global tax implementations (NA, EMEA, APAC, LATAM)
Project management experience within tax or ERP programmes
Agile / structured delivery methodologies
Qualifications & Certifications (Desirable)
Degree in Accounting, Finance, Business, or related discipline
ONESOURCE product training or certification
ERP‑related training (SAP / Oracle)
Project Management or Agile certification
Seniority level
Mid‑Senior level
Employment type
Contract
Job function
Information Technology
Industries
Financial Services
IT Services
IT Consulting
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Specialist in London employer: Square One Resources
Join a forward-thinking organisation that values innovation and collaboration, where your role as an Organisational Transformation Lead will be pivotal in driving meaningful change. With a focus on employee growth and a culture that encourages continuous improvement, you'll have the opportunity to shape strategic partnerships and enhance operational effectiveness. Located in a dynamic environment, this role offers competitive compensation and the chance to make a significant impact on business outcomes.
