MES Solutions Architect - Memphis, TN (Full-Time)Logical Systems LLC (LSI), a leading provider of engineering and project management services since 1985. As a growing company ranked 13th among the largest system integrators in the U.S. by Control Engineering in 2022, LSI continues to expand with offices across the U.S. and international locations in Canada and China. Recognized as a Top Workplace in the Memphis area from 2017 to 2021 by The Commercial Appeal and recognized as the Top Workplace in the Denver area in 2024 by The Denver Post, LSI offers a dynamic and collaborative work environment where your contributions will make an impact.Job Summary Logical Systems, Inc. (LSI) is seeking a highly technical MES Solutions Architect to design, build, integrate, and support advanced Manufacturing Execution Systems across industrial and regulated manufacturing environments. This role bridges OT and IT, combining plant-floor automation expertise (PLC, SCADA, Historians) with enterprise application integration (ERP, QMS, LIMS, analytics) to deliver real-time, scalable MES architectures. The ideal candidate can build MES applications from the ground up, understands deterministic shop-floor communication, and can design event-driven, ISA-95 aligned systems that support production execution, traceability, quality, and operational intelligence.
Experience developing validation document stacks (URS/FRS/FS/DDS/IQ/OQ/PQ) is a significant plus.Key ResponsibilitiesMES Application DevelopmentDesign, develop, configure, and maintain MES applications supporting production execution, routing, WIP, material management, genealogy, traceability, OEE, downtime, SPC/SQC, quality, batch/recipe management, and eBR.Develop MES runtimes and microservices using C#,.NET Core, Java, or Python.OT–IT Integration & Industrial ConnectivityIntegrate MES with PLCs, DCS, SCADA, Historians, CMMS, LIMS, and ERP systems.Develop interfaces using OPC UA/DA, MQTT, Kafka, REST, gRPC, SQL, ETL pipelines, Unified Namespace (UNS).Engineer deterministic store-and-forward and guaranteed-delivery messaging patterns.Data Modeling & ArchitectureDevelop ISA-95 and/or ISA-88 aligned data models.Build and optimize SQL Server, PostgreSQL, or Oracle schemas.Implement transactional logic, audit trails, and event-sourced models.Front-End Development & VisualizationBuild UI components using React, Angular, Blazor, or MES-native UIs like Ignition Perspective or Opcenter.Develop real-time dashboards, HMIs, and analytics.Deployment, Validation & OperationsSupport FAT, SAT, commissioning, recipe validation, and plant-floor go-lives.Troubleshoot across the entire MES stack (PLC ? SCADA ? Messaging ? MES ? DB ? ERP).Contribute to or oversee validation deliverables under GAMP5/CSA.Security & ComplianceImplement cybersecurity controls aligned with ISA/IEC 62443.Support compliance with GxP, 21 CFR Part 11, and regulated industry requirements when applicable.Required QualificationsBachelor's degree in Engineering, Computer Science, Information Systems, or equivalent experience.5+ years of hands-on MES or manufacturing system development.Strong development experience with C#, .NET, Java, Python, SQL.OT/IT integration experience with OPC UA, MQTT, Kafka, ETLs, Unified Namespace.Experience with PLCs, SCADA, and historians in production environments.Preferred QualificationsGMP / Pharma MES Experience (Preferred)Siemens Opcenter Execution Pharma (Camstar)Emerson SyncadeKörber Werum PAS-XConstellation POMSnetRockwell PharmaSuiteAdditional MES Platform Experience (Bonus)Siemens Opcenter (Discrete/Process)Critical ManufacturingParsec TrakSYSRockwell PlexMFGx FUUZInductive Automation IgnitionAWS / Azure cloud servicesAVEVA System Platform / MES Historian Experience (Significant Plus)AVEVA PI System (Data Archive, AF/EF)DataPARC ParkViewCanary HistorianGE Proficy HistorianIgnition Tag Historian / SQL BridgeIndustry & Technical ExperienceDiscrete, process, pharma (preferred), food/bev, or CPG manufacturingCloud IoT/IIoT platforms (Azure IoT, AWS IoT, etc.)Experience working in regulated environments (GMP/GxP)Expected DeliverablesEnterprise-grade MES services with deterministic OT connectivity.Version-controlled ISA-95 data models and documented architectures.High-quality APIs and integration schemas for OT ? IT data exchange.Ability to develop or oversee the full validation documentation stack.Healthcare and Insurance BenefitsMedical, Dental, and Vision PlansCompany-paid Life and Accidental Death & DismembermentLong-Term Disability Insurance (LTD)Short-Term Disability (Supplemental Option)Voluntary Life Insurance (Supplemental Option)Health Savings Accounts & Flexible Spending AccountsWellbeing BenefitsPaid Holidays and VacationRetirement – 401K and Roth 401K w/Company MatchPaid Parental LeavePaid Sick LeaveDependent Care (FSA)Employee Assistance ProgramsFitness Membership ReimbursementPaid Time-off for Charitable Involvement