Application Analyst IIIUS

The OneSource Tax Determination Administrator and Support Specialist OneSource Administrator works under the supervision of the Director Corporate Systems and is responsible for the technical support administration and operational stability of the Thomson Reuters OneSource Tax Determination SaaS application. This role focuses on IT-owned responsibilities including system access integrations (with Oracle R12 EB Tax) security incident management vendor coordination and change management.

The position serves as the primary IT point of contact for the OneSource platform ensuring application availability performance and compliance with corporate IT and regulatory standards. This role will also perform tax data maintenance master data maintenance and configuration of business rules. The specialist partners closely with tax and finance stakeholders to support the underlying technology integrations and platform controls that enable business operations.

The role also collaborates with external vendors internal infrastructure teams and the Information Systems compliance team to support releases upgrades validation activities and incident resolution in a controlled and traceable manner.

• Provide day-to-day technical support for the OneSource Tax Determination application including incident triage issue escalation and coordination of resolutions.
• Serve as the IT owner for OneSource Tax Determination managing system availability performance monitoring and access to the application.
• Administer user access role provisioning and deprovisioning in accordance with security and compliance standards.
• Support single sign-on (SSO) authentication and security-related configurations in collaboration with identity and security teams.

• Support and monitor integrations between OneSource and upstream/downstream enterprise systems including Oracle R12 (e.g. ERP data feeds reporting tools).
• Troubleshoot integration failures identify root causes and coordinate resolution with vendors and internal technical teams.
• Identify issues that may reside on the EB Tax side in Oracle R12
• Partner with business and vendors during integration changes upgrades or new interface implementations.

• Act as the primary IT liaison with the Thomson Reuters for support cases incidents and escalations.
• Review SaaS release documentation and release notes to assess IT impacts risks and required actions.
• Coordinate technical testing regression testing support and validation activities related to vendor releases and patches.

• Ensure all changes related to OneSource follow established change management validation and documentation processes.
• Support risk assessments for system changes and releases identifying technical impacts and mitigation actions.
• Maintain system documentation including architecture diagrams integrations configuration records and support procedures.
• Collaborate with the IS compliance team to ensure adherence to SOX internal quality policies and applicable regulatory requirements.

• Partner closely with Tax Finance and Compliance stakeholders to support the technology enabling OneSource while reinforcing clear business vs. IT ownership boundaries.
• Participate in cross-functional projects as the IT subject matter expert for the OneSource platform.
• Provide technical guidance during audits inspections and internal reviews related to OneSource system controls.

The requirements listed below are representative of the knowledge skill and/or ability required for this position.

• Bachelors degree in Computer Science Information Technology or related field.
• 2 5 years of experience supporting OneSource Tax Determination application integrated in an Information System landscape including knowledge of the Oracle R12 integration with EB Tax.
• Strong understanding of the software development lifecycle (SDLC) system testing and change control processes.
• Excellent troubleshooting and analytical skills with the ability to solve complex problems.
• Strong interpersonal and communication skills with the ability to effectively engage users developers and business leaders.
• Ability to work independently and manage multiple priorities in a fast-paced environment.
• Demonstrated ability to quickly learn and adapt to new enterprise systems.
• Collaborative team player with a proactive and solutions-oriented mindset.
• Knowledge of compliance frameworks (e.g. SOX FDA validation or similar) desirable.

• Team player
• Positive attitude
• Analytical
• Strong communicator ability to express define and communicate technical and business issues coherently with technical and non-technical team members
• Capable of multitasking
• Open minded and flexible

• A Bachelors degree in Computer Science or Information Technology