Sr IT Project Manager | ERP S/4 Boundary Applications

Join a dynamic enterprise application delivery team supporting complex ERP-related initiatives and cross-functional integration efforts. This role is ideal for an experienced IT Project Manager who thrives on coordinating multiple systems, managing technical dependencies, and driving successful delivery across application teams. Responsibilities

• Lead end-to-end delivery of enterprise application projects with a focus on ERP boundary and integration work
• Coordinate multiple application teams, vendors, and stakeholders to keep scope, schedules, and priorities aligned
• Manage system interfaces, integration dependencies, and cross-platform testing activities
• Oversee integration testing and user acceptance efforts to support smooth implementation and release readiness
• Track project milestones, risks, issues, and dependencies while proactively escalating when needed
• Support project governance and ensure clear communication across technical and business partners
• Drive execution in both waterfall and agile environments as appropriate to the project needs

• Strong background in IT project management with enterprise application integration experience
• Hands-on experience delivering complex projects involving ERP platforms and surrounding business applications
• Ability to manage multiple workstreams, technical dependencies, and integration testing activities
• Excellent communication skills and the confidence to work with executive and cross-functional audiences
• Solid understanding of SDLC, project planning, risk management, and delivery governance
• Experience using Jira for project tracking and execution
• Proven ability to independently drive work forward and maintain momentum across teams

Preferred Skills

• Experience with SAP S/4HANA or SAP ECC environments
• Background in managing ERP-related application boundary projects
• Exposure to Smartsheet for planning and reporting
• PMP certification
• Additional experience supporting enterprise systems in healthcare or life sciences environments

Horizontal is committed to creating an inclusive environment where diverse perspectives are valued, respected, and supported. We welcome candidates from all backgrounds and encourage applications from individuals who are excited to contribute to a collaborative, equitable workplace.