Senior PLC Engineer

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🤠 Texas – Remote

🤠 Texas – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Giga Energy

WebsiteLinkedInAll Job Openings

11 - 50 employees

⚡ Energy

🔧 Hardware

💰 $2.3M Seed Round on 2022-03

Energy • Hardware

Giga Energy is a company specializing in the manufacturing and supply of electrical equipment and modular data centers. They provide a wide range of products including 3-phase and 1-phase padmount transformers, substation transformers, and UL 891 switchboards. Their transformers are designed to support both commercial and industrial power distribution needs, while their modular data centers, such as the Giga Box Air™ and Giga Box Hydro™, cater to efficient data management and are particularly designed for bitcoin mining. Giga Energy is committed to high quality, fast lead times, and exceptional customer service in delivering infrastructure solutions that energize the modern world.

📋 Description

• As a Senior PLC Engineer, you'll own the controls software that keeps our infrastructure online. • This is a hands-on build role. • You'll take an architecture from concept to commissioned, running system, programming the PLCs and SCADA and writing the software, services, and tooling around them. • Design, develop, test, and commission PLC programs on Siemens (TIA Portal, S7-1500/1200) and/or Rockwell/Allen-Bradley (Studio 5000, ControlLogix/CompactLogix) platforms, using IEC 61131-3 languages (Structured Text and ladder), for cooling and mechanical plant equipment: CDUs, chillers, hydraulic skids, fan walls, DOAS, and pumps. • Develop the supervisory logic for the Master Plant Controller, including equipment staging, lead/lag, setpoint reset, failover, and plant-level coordination across multiple skids. • Build and maintain the SCADA/HMI layer (Siemens WinCC, Rockwell FactoryTalk View, or Ignition): operator screens, alarming, trending, historian, and access control. • Write robust safety logic, interlocks, and alarm strategies for pressurized and high-power equipment, and uphold a safety-first engineering standard. • Integrate OEM-controlled equipment such as chillers and DOAS over Modbus TCP, BACnet, OPC UA, EtherNet/IP, and PROFINET, defining and validating register and object maps. • Build process simulations and digital twins (Siemens PLCSIM Advanced / SIMIT, Rockwell Studio 5000 Emulate / Emulate3D, or scripted models) to validate logic and tune control loops before site deployment. • Lead field commissioning, startup, and loop checks. Troubleshoot live systems and drive issues to resolution. • Apply real software engineering practices to controls work: version control, code review, modular and reusable function-block libraries, and clear naming and documentation standards. • Build the general-purpose software around the controls stack: data pipelines, monitoring and telemetry services, edge and cloud integrations, internal tooling, and automation that connects plant data to the rest of Giga's systems. • Translate the controls engineer's architecture and sequence-of-operations into working, well-structured, maintainable code. • Operate comfortably in ambiguous, unstructured environments and solve problems where established processes don't yet exist.

🎯 Requirements

• 5+ years programming industrial PLCs and SCADA/HMI systems in production environments. • Deep hands-on experience with Siemens (TIA Portal, S7-1500/1200) and/or Rockwell/Allen-Bradley (Studio 5000, ControlLogix/CompactLogix), fluent in Structured Text and not just ladder. Experience across both platforms is a strong plus. • Proven SCADA/HMI development experience (Siemens WinCC, Rockwell FactoryTalk View, Ignition, or comparable platform), including alarming, historian, and trending. • Strong command of industrial communication protocols such as EtherNet/IP, PROFINET, Modbus TCP, OPC UA, and BACnet. • Experience programming controls for mechanical, process, or HVAC plants (pumps, valves, chillers, heat exchangers, air handling). • Track record of commissioning systems on live equipment, with a rigorous, safety-first mindset. • Excellent written and verbal communication, with the ability to work directly with controls engineers, mechanical engineers, and field technicians. • Willingness to travel to project sites for installation and commissioning.

🏖️ Benefits

• Subsidized health, dental, and vision insurance • Equity (options) in a rapidly growing startup • 401(k) with 4% employer match • Unlimited PTO • Parental leave • Healthcare and Dependent Care Flexible Spending Accounts (FSA) or Health Savings Account (HSA) • Commuter benefits