Description
Software Engineer, Member of Technical Staff (MTS) - Vertex Tax System Engineer
Role Description
DET IT is looking for a Member of Technical Staff (MTS) to join our IT Finance Engineering team. 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