Senior MES/ERP Business Analyst (Manufacturing)

Caterpillar; San Diego (CA); On-site; USD 121,000 - 181,000; Full time

Benefits offered by this job

Medical benefits

401(k) savings plan

Health Savings Account (HSA)

Career development

Incentive bonus

Onsite work five days a week

Job summary

Caterpillar in San Diego seeks a Senior Business Analyst to drive the implementation of Rockwell MES/QMS capabilities and its integration with Infor ERP LN and other manufacturing apps. You will partner with Manufacturing, Engineering, Quality, Supply Chain, IT, and partners to translate business requirements into scalable solutions and support deployments.

Responsibility includes leading SIT/UAT, data mapping, and knowledge transfer, ensuring smooth cutovers and sustained improvements across

Qualifications

• 7+ years of Business Analyst or Functional Analyst experience.
• 5+ years supporting ERP, MES, QMS, or manufacturing applications.
• Strong understanding of manufacturing processes, including production orders, BOMs, routings, work centers, material movement, inventory/WIP, and quality.
• Experience leading requirements gathering, functional design, SIT/UAT, and enterprise system deployments.
• Experience working across business, IT, architecture, integration, and vendor teams.
• Strong problem-solving, communication, and stakeholder-management skills.

Responsibilities

• Lead requirements gathering, process-design workshops, and functional solution development.
• Translate business needs into functional requirements, process flows, user stories, and acceptance criteria.
• Identify process, system, data, and integration gaps.
• Promote standardized, scalable solutions while minimizing unnecessary customization.
• Serve as a functional SME for PLEX MES/QMS processes and ERP LN integration.
• Support solution design across production, BOMs, routings, inventory/WIP, master data, quality, traceability, and related manufacturing processes.
• Define functional requirements and data mappings between PLEX, ERP LN, and connected applications.
• Partner with technical and integration teams to troubleshoot transactional and integration issues.
• Lead functional testing, including SIT, UAT, regression, and end-to-end business-process testing.
• Coordinate defect triage, resolution, and retesting.
• Support manufacturing master-data conversion, validation, and reconciliation.
• Support site readiness, cutover, go-live, and hypercare activities.
• Troubleshoot functional issues and coordinate resolution across business and technical teams.
• Capture lessons learned and establish reusable processes and standards for future deployments.
• Maintain key functional, process, testing, configuration, and support documentation.
• Lead knowledge transfer from implementation partners to internal teams to support long-term ownership and sustainment.

Skills

ERP

MES

QMS

Manufacturing processes

SIT/UAT

Stakeholder management

Communication

Agile

Tools

Azure DevOps

Jira

Job description

Caterpillar in San Diego seeks a Senior Business Analyst to drive the implementation of Rockwell MES/QMS capabilities and its integration with Infor ERP LN and other manufacturing apps. You will partner with Manufacturing, Engineering, Quality, Supply Chain, IT, and partners to translate business requirements into scalable solutions and support deployments.

Responsibility includes leading SIT/UAT, data mapping, and knowledge transfer, ensuring smooth cutovers and sustained improvements across