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AI Summary
Why join Giga
- The Pace: We're building at a speed most companies talk about but never actually operate at. If you've been bored somewhere else, you won't be here.
- The Impact: Every person at Giga touches the work that matters. No layers, no waiting for approval chains. You'll see your fingerprints on what we ship.
- The Team: A team of operators defining the future of AI infrastructure. We recruit A-players from the most innovative companies in the world, and they choose Giga because the work here means more.
- The Moment: AI doesn't run without power, and that's us. Giga is the picks and shovels behind the AI revolution. This industry is about to explode, and you'll be in the room where it's already happening.
What you'll do
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.
Where you'll work
This is a remote role, with a preference for candidates based in Dallas, TX. Regardless of home base, you must be willing to travel frequently to our project and job sites for installation, startup, and commissioning.
Responsibilities
- 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.
Bonus Points
- Experience with liquid cooling, data center cooling, or high-density compute thermal management.
- Familiarity with process simulation and digital twins (SIMIT, PLCSIM Advanced co-simulation, MATLAB/Simulink).
- Hands-on Ignition (Inductive Automation) experience, including Python/Jython scripting.
- Functional safety experience (PROFIsafe, CIP Safety, GuardLogix or other safety PLCs, SIL-rated logic).
- Industrial networking depth, including VLANs, redundancy, edge devices, and secure OT network design.
- Ability to read and interpret P&IDs, electrical schematics, and I/O schedules.
- Strong general-purpose software engineering skills, fluent in at least one modern language (Python, C#, C++, Go, or similar), and comfortable with Git, testing, and clean code structure.
- Experience building edge-to-cloud data pipelines or plant telemetry and observability systems.
- Background bridging IT and OT, bringing modern software practices (CI/CD, infrastructure-as-code, containerization) into a controls environment.
- Experience standing up controls programs from scratch in a fast-moving, greenfield setting.
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
Who we hire
We hire people who thrive in chaos and get sharper under pressure. You don't wait to be told what to do, you spot the gap and fill it. When there's work to be done, you do it. You make decisions with the information you have, move fast, and adjust along the way. We're not looking for perfect; we're looking for people who get things done.
Equal Opportunity Employer Statement
Giga Energy is an equal opportunity employer and is committed to fostering an inclusive and diverse workplace. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic as outlined by federal, state, or local laws. Giga Energy complies with all applicable labor laws, including the California Fair Employment and Housing Act (FEHA) and other relevant state and federal regulations. We provide reasonable accommodations for qualified individuals with disabilities and encourage applicants who require accommodations during the hiring process to contact us.
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