Critical Manufacturing MES Expert Rosemead, - CA - California

PI Subject Matter Expert The PI Subject Matter Expert (SME) will lead and support the design, build, migration, and stabilization of

AVEVA PI

environments as part of a multiyear enterprise historian modernization program. The role spans eDNA to PI migration, WAMSEMSCRAS PI environment buildouts, metadata modelling, interface migrations, historical data loads, testing, production cutover, and postgolive support across QA, PDS, and Production environments. Perform eDNA to PI gap analysis, covering functionality, metadata, event files, and reporting. Define PI environment preparation strategy for Grid systems. Author detailed specifications for metadata updates, event file management, and extraction approaches. Support preparation and validation of eDNA data extracts. Drive stakeholder reviews and mutual sign off of analysis outputs. Lead event file migrations from CRAS and WAMS into PI. Execute and validate historical data loads. Build and validate AFDA metadata models aligned to Grid operations. Design, build, and migrate interfaces, including DGA and DeltaX. Support Grid QA, PDS, and Production cutovers. Assist with system validation, performance tuning, and data reconciliation. Participate in cutover planning, execution, and stabilization. Provide SME support during finalization, turnover, and handover activities Support training and change management activities for PI users and operations teams. Contribute to metadata standards and governance. Develop and review technical documentation. Provide user support and knowledge transfer post go live. Drive final documentation and mutual sign off. Technical Skills 10+ years of experience with

AVEVA PI

System (PI DA, AF, Vision). Strong expertise in historian migrations (eDNA PI preferred). Hands on experience with WAMS, EMS, CRAS, or Grid systems. Experience with event files, historical data loads, and large scale PI systems. Strong understanding of PI interfaces, AF modelling, and metadata design. Proven ability to support enterprise testing, SAT cycles, and production cutovers. Excellent documentation and stakeholder communication skills.