Senior HMI/SCADA Architect (Ignition, OPC-UA) – Onsite

Mainspring Energy, Inc.; Menlo Park (CA); On-site; USD 189,000 - 223,000; Full time

Benefits offered by this job

RSU equity

Benefits

Job summary

Mainspring Energy, Inc. is seeking a Sr.

Staff Controls Software Engineer to architect, develop, and deploy industrial-grade HMI and SCADA systems for our Linear Generator sites. You will define the architecture for modernizing operator interfaces using Ignition, building scalable, site-agnostic UI frameworks, and implementing robust industrial communication pipelines using OPC UA, Modbus, and related protocols.

Qualifications

• 12+ years in commercial power generation, industrial automation, or utility-scale projects.
• Deep hands-on experience building industrial HMI/SCADA systems with Ignition.
• Experience defining industrial software architecture and scalable platforms.
• Knowledge of grid interconnection standards and cybersecurity frameworks.

Responsibilities

• Lead Ignition HMI development and deployment across sites.
• Build site-agnostic UI screens and tag structures for scalable configurations.
• Implement telemetry pipelines using OPC-UA, Modbus, and SunSpec.
• Develop alarms, diagnostics, and real-time data exposure for integrations.
• Own testing lifecycle including hardware-in-the-loop validation.

Skills

HMI/SCADA design

Industrial automation

Technical communication

Cross-functional collaboration

Tools

Ignition (Perspective/Vision)

OPC-UA

Modbus TCP/RTU

SunSpec

PostgreSQL

Job description

Mainspring Energy, Inc. is seeking a Sr.

Staff Controls Software Engineer to architect, develop, and deploy industrial-grade HMI and SCADA systems for our Linear Generator sites. You will define the architecture for modernizing operator interfaces using Ignition, building scalable, site-agnostic UI frameworks, and implementing robust industrial communication pipelines using OPC UA, Modbus, and related protocols.