Senior SCADA Systems Engineer - Operational Technology

Job Overview

Nammo Defense Systems, Inc., a defense contractor, is seeking a Senior SCADA & Data Systems Engineer to join their operations technology team. This role focuses on connecting manufacturing equipment and processes to their enterprise data environment through the Ignition SCADA platform (by Inductive Automation) and SQL databases.

Key Responsibilities

• Own Ignition across plants, including primary/secondary and new instances.
• Build HMIs for control, labeling, traceability, transaction groups, and tag models.
• Integrate via Ignition OPC and Kepware.
• Server and infrastructure ownership: operate ~15 production servers, including Windows/Linux for Ignition, Kepware/OPC, Python, Node-RED, Grafana. Patching, upgrades, storage and capacity, backup/restore, incident response.
• Databases and data engineering: design schemas and ERDs, stand up and administer SQL Server instances. Create jobs, maintenance plans, and verified backups; optimize logging pipelines.
• Controls integration and triage: work with Controls to diagnose faults, walk ladder logic, trace I/O and comms issues. Guide fixes that cross PLC logic, OPC, network, and database boundaries.
• OT networking: place PLCs/IIoT on correct VLANs, coordinate addressing and routing with IT. Validate OPC connectivity inside segmented networks.
• Monitoring, alarming, and reporting: configure Ignition and Grafana alerting, escalation, approvals. Build dashboards and data exports for Quality, Process, Manufacturing, customers.
• Reliability and change management: plan and execute upgrades and migrations with downtime plans and rollbacks. Document designs and RCAs; standardize templates for new lines and plants. Follow standard practices and safety procedures.

Required Skills & Qualifications

• Bachelor’s degree in Software Engineering, Computer Science, Electrical Engineering, or a related technical field.
• 5+ years of experience in a data-driven industrial or manufacturing environment.
• Proven experience with Ignition SCADA (or equivalent SCADA systems).
• Strong background in SQL Server administration, data modeling, and performance tuning.
• Programming proficiency in Python, Java, or C++.
• Ability to obtain BATF clearance.
• Preferred: familiarity with DoD cybersecurity requirements, experience with data visualization tools (MS Power BI), experience with Allen-Bradley, Automation direct PLCs.

COOPERATION

• Work within Nammo’s cross-functional teams including Manufacturing, Quality, Engineer, Controls, and Information Technology.
• Work with external consultants and resources as needed.