MES Software Developer- Memphis at Logical Systems

MES Software Developer - Memphis TN (Full-Time)Logical Systems LLC (LSI) a leading provider of engineering and project management services since 1985 is seeking a skilled and experienced Mechanical CAD Designer to join our team in Milwaukee WI. 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 as a Top Workplace in the Memphis area from 2017 to 2021 by The Commercial Appeal andrecognized as the Top Workplace in the Denver area in 2024 by The Denver PostLSI offers a dynamic and collaborative work environment where your contributions will make an impact.Job SummaryLogical Systems Inc. (LSI) is seeking a highly technical MES Software Developer 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 Development Design 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.OTIT Integration & Industrial Connectivity Integrate 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 & Architecture Develop 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 & Visualization Build UI components using React Angular Blazor or MES-native UIs like Ignition Perspective or Opcenter. Develop real-time dashboards HMIs and analytics.Deployment Validation & Operations Support 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 & Compliance Implement cybersecurity controls aligned with ISA/IEC 62443. Support compliance with GxP 21 CFR Part 11 and regulated industry requirements when applicable.Required Qualifications Bachelors 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 Syncade Körber Werum PAS-X Constellation POMSnet Rockwell PharmaSuiteAdditional MES Platform Experience (Bonus) Siemens Opcenter (Discrete/Process) Critical Manufacturing Parsec TrakSYS Rockwell Plex MFGx FUUZ Inductive Automation Ignition AWS / Azure cloud services AVEVA System Platform / MESHistorian Experience (Significant Plus) AVEVA PI System (Data Archive AF/EF) DataPARC ParkView Canary Historian GE Proficy Historian Ignition Tag Historian / SQL BridgeIndustry & Technical Experience Discrete process pharma (preferred) food/bev or CPG manufacturing Cloud IoT/IIoT platforms (Azure IoT AWS IoT etc.) Experience working in regulated environments (GMP/GxP)Expected Deliverables Enterprise-grade MES services with deterministic OT connectivity. Version-controlled ISA-95 data models and documented architectures. High-quality APIs and integration schemas for OTIT 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 Required Experience:Senior IC Key Skills Account Payable,C++,Community Support,Garment,Import & Export,Java Employment Type : Full-Time Experience: years Vacancy: 1