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Active2w ago

Senior Staff Controls Software Engineer

Mainspring Energy·📍 Menlo Park, California, United States

Employment

Full-Time

Work mode

On-site

Experience

12+ years

Salary

$189.4K – $222.8K/yr

Pay vs market · Near median

This job's pay ($206,080 a year at the midpoint) is higher than about 50% of 2,984 salary-listed Software Engineer jobs in United States in the last 12 months; their median is $207,500.

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Role overview

Job description

Overview Mainspring Energy is seeking a highly skilled Sr. Staff Controls Software Engineer to architect, develop, and deploy industrial-grade Human-Machine Interfaces (HMI) and SCADA systems for our Linear Generator sites. As a senior individual contributor and technical lead, you will define the architecture for modernizing our operator interfaces using Ignition, building scalable, site-agnostic UI frameworks, and implementing robust industrial communication pipelines using OPC UA, Modbus, and related protocols. You will bridge hardware controls, site telemetry, and operator visualization to deliver intuitive, reliable, and secure control interfaces across commercial, microgrid, and utility-scale deployments.
Responsibilities
  • Ignition HMI Development: Lead the design, architecture, and deployment of commercial-grade operator interfaces standardized on the Ignition SCADA platform.
  • Site-Agnostic UI Architecture: Build dynamic, site-agnostic HMI screens and tag structures that seamlessly scale across diverse power plant configurations, skids, and high generator counts.
  • Protocol & Telemetry Integration: Implement robust communication interfaces and telemetry pipelines utilizing OPC-UA, Modbus, and SunSpec for real-time SCADA data exposure and third-party integration.
  • Alarming & Diagnostics: Develop comprehensive alarm management, system of events logging, and diagnostic dashboards for deep visibility into site hardware and network status.
  • Testing & Validation: Own the testing lifecycle for new features, including unit testing, integration testing, and hardware-in-the-loop (HIL) validation to ensure site safety logic and grid compliance.
  • DER Integration: Implement strategies for integrating Mainspring technology into Distributed Energy Resource Management Systems (DERMS) and complex microgrid environments.
  • Cross-Functional Collaboration: Work with Product, Controls and Hardware teams to translate utility requirements and interconnection standards into functional software specifications.

    • Qualifications
  • Industry Experience: 12+ years of hands-on experience in commercial power generation, industrial automation, manufacturing or utility-scale energy projects.
  • HMI & SCADA Expertise: Deep hands-on experience building complex industrial HMI/SCADA systems, with demonstrated mastery of the Ignition platform (Perspective/Vision modules, UDTs, Tag Historian) and industrial communication protocols, specifically OPC-UA, Modbus TCP/RTU, and SunSpec, alongside relational database integration (e.g., PostgreSQL).
  • Software Architecture & Scalability: Proven experience defining industrial software architecture, leading technical decisions, and delivering reusable, site-agnostic HMI/SCADA platforms from design through deployment.
  • Grid Interconnection Standards: Experience with grid interconnection standards (e.g., IEEE 1547, UL 1741).
  • Cybersecurity Frameworks: Knowledge of cybersecurity frameworks for industrial control systems (e.g., NERC CIP).
  • Technical Communication: Ability to create clear technical documentation and system diagrams that bridge the gap between industrial hardware and modern software.

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    About this listing

    • Source: Mainspring Energy's official careers site · still listed there on 10 Nov 2026
    • Posted 26 Oct 2026

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    Role market pulse

    How Software Engineer demand looks in United States

    83/100 · hot

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    What they are looking for

    Skills & requirements

    postgresql →

    Department · Off product SW & Data Sys Engr

    Hiring company

    Mainspring Energy

    Energy

    Power generation for data centers, utilities, industrial & enterprise applications. Fuel-flexible, fast to deploy, high-efficiency, low NOx power.

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