Vertex Tax System Engineer

Cognizant; Bengaluru; On-site; INR 1,200,000 - 2,200,000; Full time

Job summary

Cognizant is seeking an experienced Vertex tax specialist to support the implementation, configuration, and maintenance of Vertex tax solutions across Finance and Revenue systems in a PAN India context.

You will work with cross-functional teams, validate tax calculations, and help build integrations with ERP and Billing systems, following Agile practices and ensuring data integrity.

Qualifications

• 5+ years of Vertex or similar tax systems implementation/support.
• Foundational understanding of indirect tax concepts (GST, VAT, Sales/Use Tax).
• Hands-on Vertex configuration (rules, rates, jurisdictions, exemptions).
• Exposure to integrations using APIs or middleware platforms (MuleSoft, Boomi, Informatica).
• Understanding of Finance processes such as Quote-to-Cash or Record-to-Report.
• Familiarity with JSON/XML data formats and data mapping concepts.
• Strong analytical and troubleshooting skills.
• Experience in Agile environments with Git version control.
• Bachelor’s degree in computer science, Engineering, Finance Systems, or related field.

Responsibilities

• Support implementation and enhancement of Vertex tax solutions across Finance and Revenue systems.
• Configure Vertex (O Series) components including tax rules, jurisdictions, rates, and exemptions.
• Assist in building and maintaining integrations between Vertex and ERP, Billing, and other upstream/downstream systems.
• Work with cross-functional teams (Finance, Tax, Engineering) to understand requirements and support solution delivery.
• Help validate tax calculations, troubleshoot issues, and resolve data discrepancies.
• Support data mapping, transaction flows, and reconciliation processes.
• Participate in testing, deployment, and post-production support activities.
• Contribute to documentation, including configuration, integration flows, and support runbooks.
• Follow engineering best practices, coding standards, and compliance requirements.

Skills

Vertex configuration

Indirect tax concepts

API integrations

Finance processes knowledge

Data formats (JSON/XML)

Analytical troubleshooting

Agile environments

Git version control

Education

Bachelor’s degree in computer science, Engineering, Finance Systems, or related field

Tools

MuleSoft

Boomi

Informatica

Job description

Location - PAN India

• This role focuses on supporting the implementation, configuration, and maintenance of enterprise tax solutions using Vertex, along with assisting in integrations across Finance, ERP, Billing, and Revenue systems.
• The ideal candidate has foundational experience in Vertex configuration and indirect tax processes (Sales & Use Tax, VAT/GST), along with working knowledge of system integrations and enterprise application environments.

Responsibilities

• Support implementation and enhancement of Vertex tax solutions across Finance and Revenue systems
• Configure Vertex (O Series) components including tax rules, jurisdictions, rates, and exemptions
• Assist in building and maintaining integrations between Vertex and ERP, Billing, and other upstream/downstream systems
• Work with cross-functional teams (Finance, Tax, Engineering) to understand requirements and support solution delivery
• Help validate tax calculations, troubleshoot issues, and resolve data discrepancies
• Support data mapping, transaction flows, and reconciliation processes
• Participate in testing, deployment, and post-production support activities
• Contribute to documentation, including configuration, integration flows, and support runbooks
• Follow engineering best practices, coding standards, and compliance requirements

Required Skills

• 5+ years of experience in Vertex or similar tax systems implementation/support
• Basic understanding of indirect tax concepts (Sales & Use Tax, VAT, GST)
• Hands-on experience with Vertex configuration (rules, rates, jurisdictions, exemptions)
• Exposure to integrations using APIs (REST/SOAP), or middleware platforms (MuleSoft, Boomi, Informatica, etc.)
• Understanding of Finance business processes such as Quote-to-Cash or Record-to-Report
• Familiarity with data formats like JSON/XML and basic data transformation concepts
• Strong analytical and troubleshooting skills
• Experience working in Agile environments with version control (e.g., Git)
• Bachelor’s degree in computer science, Engineering, Finance Systems, or related field

Desired Skills

• Exposure to ERP, billing, or revenue systems
• Experience working in SaaS or subscription-based business environments
• Basic understanding of financial compliance and audit requirements
• Willingness to learn and grow in tax systems and enterprise integrations