IIoT Senior Solution Engineer

MASS Tech is seeking a highly skilled IIoT Senior Solution Engineer to design, develop, and deploy IIoT and SCADA solutions that support manufacturing operations across production areas. This role will ensure accurate, real-time data is available and seamlessly connected across manufacturing systems, empowering teams to solve problems quickly and effectively. The ideal candidate will bring deep expertise in industrial automation, SCADA/HMI development, and IIoT architecture, with a strong focus on innovation and reliability.Roles & Responsibilities• Build high-fidelity edge data ingestion systems capable of handling hundreds of concurrent PLC connections with sustained throughput at production scale.• Deliver reliable applications and systems that meet business and process needs, using platforms such as Ignition SCADA, .NET/C#, Typescript, and Angular.• Develop load testing platforms to enable repeatable stress testing of industrial drivers and messaging infrastructure before production deployment.• Produce and maintain architecture documentation, design specifications, and technical decision records.• Enable and coach team members to build their own solutions and effectively use platform tools.• Collaborate with engineering, production, logistics, maintenance, and quality teams to translate business processes into solution requirements.• Evaluate emerging industrial technologies and provide strategic recommendations for integration into manufacturing environments.RequirementsEssential Qualifications • Bachelor’s degree or equivalent professional experience (5+ years).• 5+ years of experience in industrial automation, SCADA/HMI development, or IIoT architecture.• 3+ years of experience with the Ignition platform (Perspective, Designer, gateway architecture, scripting).• Proficiency in Python, Jython, .NET/C#, Typescript, and SQL.• Experience with PLC platforms (Allen-Bradley, Mitsubishi, Omron, Siemens, or equivalent).• 2+ years of experience using Sparkplug B, MQTT, and OPC UA/DA protocols in manufacturing environments.• Familiarity with industrial protocols (EtherNet/IP, Modbus, DeviceNet, ControlNet).• Strong experience querying and updating SQL databases (MS SQL Server, MySQL, PostgreSQL).• Demonstrated problem-solving skills using structured methods such as 5-Why, protocol analysis, and reverse engineering.Preferred Experience & Skills• Experience developing custom Ignition gateway modules (Java/Kotlin).• Knowledge of containerization (Docker) and modern infrastructure (Kubernetes/k3s).• Familiarity with Model Context Protocol (MCP).• Experience leveraging coding assistants (e.g., Copilot, Claude Code) to accelerate development.• Linux administration experience (Ubuntu, RHEL).• Experience with JTEKT Toyopuc PLC platforms.• Exposure to machine vision, RFID, or barcode integration.• Greenfield manufacturing facility startup experience.• Background in technical training or instructional design.Benefits Competitive salary and performance-based bonus Paid time off and holiday policy Professional development stipend Parental leave and healthcare coverage