MES Software Developer- MemphisLogical Systems • Memphis, Tennessee, United States

MES Software Developer- Memphis

Logical Systems • Memphis, Tennessee, United States

29 days ago

Job type

Full-time

Job description

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 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 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.

OT–IT 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

Bachelor’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 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

Paid Holidays and Vacation

Retirement – 401K and Roth 401K w / Company Match

Paid Parental Leave

Paid Sick Leave

Dependent Care (FSA)

Employee Assistance Programs

Fitness Membership Reimbursement

Paid Time-off for Charitable Involvement

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Software Developer • Memphis, Tennessee, United States

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