Specialist

Square One Resources; United Kingdom; Remote; GBP 70,000 - 90,000; Full time

Job summary

A global consulting firm is seeking an experienced Indirect Tax Technology Specialist to design and implement ONESOURCE Indirect Tax solutions. This fully remote role requires extensive knowledge of indirect tax technology and the ability to integrate ONESOURCE with leading ERP systems like SAP and Oracle. The ideal candidate will facilitate stakeholder communication and manage large tax technology projects, thriving in a mid-senior level position that requires both technical acumen and project management skills.

Qualifications

• Extensive experience with ONESOURCE Indirect Tax Determination is essential.
• Strong background in Indirect Tax Technology, including Sales & Use Tax.
• Proven experience in integrating ONESOURCE with ERP systems.

Responsibilities

• Act as Subject Matter Expert for ONESOURCE Indirect Tax Determination.
• Lead end-to-end implementations and upgrades of ONESOURCE Indirect Tax.
• Manage testing activities including Unit testing and User Acceptance Testing.

Skills

Expert guidance on US Sales & Use Tax

Integration with ERP systems (SAP, Oracle)

Stakeholder management

Agile / structured delivery methodologies

Translation of tax requirements into solutions

Education

Degree in Accounting, Finance, Business, or related discipline

Tools

ONESOURCE Indirect Tax

SAP S/4HANA

Oracle E-Business Suite

Job description

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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