MES Software Developer- Memphis

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 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 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 Responsibilities

MES 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 Qualifications

GMP / Pharma MES Experience (Preferred)

Siemens Opcenter Execution Pharma (Camstar)

Emerson Syncade

Körber Werum PAS-X

Constellation POMSnet

Rockwell PharmaSuite

Additional 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 / MES

Historian Experience (Significant Plus)

AVEVA PI System (Data Archive AF / EF)

DataPARC ParkView

Canary Historian

GE Proficy Historian

Ignition Tag Historian / SQL Bridge

Industry & 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 OT IT data exchange.

Ability to develop or oversee the full validation documentation stack.

Healthcare and Insurance Benefits

• Medical Dental and Vision Plans
• Company-paid Life and Accidental Death & Dismemberment
• Long-Term Disability Insurance (LTD)
• Short-Term Disability (Supplemental Option)
• Voluntary Life Insurance (Supplemental Option)
• Health Savings Accounts & Flexible Spending Accounts

Wellbeing Benefits

Required Experience :

Senior IC

Key Skills

Account Payable,C++,Community Support,Garment,Import & Export,Java

Employment Type : Full-Time

Experience : years

Vacancy : 1