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Nammo Defense Systems Inc. · 2 days ago

Senior SCADA Systems Engineer - Operational Technology

Mesa, AZ

Full-time

Onsite

Senior Level

5+ years exp

Nammo Defense Systems Inc. is a defense contractor specializing in shoulder-launched munitions and energetic material solutions. They are seeking a Senior SCADA & Data Systems Engineer to connect manufacturing equipment to their enterprise data environment, focusing on SCADA architecture, server management, and data engineering.

Defense & Space

No H1B

U.S. Citizen Only

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

Operate ~15 production servers: Windows/Linux for Ignition, Kepware/OPC, Python, Node-RED, Grafana

Patching, upgrades, storage and capacity, backup/restore, incident response

Design schemas and ERDs, stand up and administer SQL Server instances

Create jobs, maintenance plans, and verified backups; optimize logging pipelines

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

Place PLCs/IIoT on correct VLANs, coordinate addressing and routing with IT

Validate OPC connectivity inside segmented networks

Configure Ignition and Grafana alerting, escalation, approvals

Build dashboards and data exports for Quality, Process, Manufacturing, customers

Plan and execute upgrades and migrations with downtime plans and rollbacks

Document designs and RCAs; standardize templates for new lines and plants

Strictly adhere to all safety policies and procedures to ensure a safe working environment

Work within Nammo’s cross functional teams including Manufacturing, Quality, Engineer, Controls, and Information Technology

Work with external consultants and resources as needed

Qualification

Ignition SCADASQL Server administrationPythonData modelingPerformance tuningJavaC++Analytical skillsCommunication skillsProblem-solving abilitiesTeamwork abilities