Firmware Engineer
Critical Loop2 months ago
Torrance, CA, USAMid Level
Base Salary
$160k - $200k/yr
Responsibilities
- Design and build software spanning embedded drivers, device communications, backend services, data pipelines, and operator-facing interfaces.
- Develop network communication and driver layers for site controllers and distributed energy resources.
- Build and maintain automated data pipelines for utility interval data analysis and real-time energy monitoring.
- Collaborate with hardware engineers to develop and iterate on embedded system designs.
- Architect reliable, observable, maintainable, and deployable systems across physically distributed sites.
- Participate in hardware bring-up, field testing, commissioning, and debugging of deployed systems.
- Own features from initial design through deployment and field validation.
Requirements
- Proficiency in one or more systems programming languages such as C, C++, or Rust.
- Experience with a higher-level language used for services, automation, or data processing, such as Python or Go.
- Experience writing firmware, drivers, or hardware-facing software for embedded targets.
- Ability to read schematics, debug over serial or JTAG, and reason about timing and electrical behavior.
- Experience building backend services and APIs, ideally for real-time, distributed, or telemetry-driven systems.
- Ability to take ownership of ambiguous problems and work with minimal oversight in a fast-moving startup environment.
- Preferred: familiarity with Modbus, DNP3, or CAN bus.
- Preferred: experience with SCADA systems, distributed energy resources, or industrial controls.
- Preferred: experience with battery energy storage systems, inverters, power conversion equipment, or other grid-edge hardware.
- Preferred: background in aerospace, defense, robotics, automotive, or other safety-critical embedded domains.
- Preferred: exposure to machine learning, signal processing, controls, or data analysis in a hardware context.
- Preferred: a degree in physics, computer engineering, electrical engineering, or a related technical discipline.
Benefits
- Equity ownership through stock options.
- Comprehensive medical, dental, and vision coverage through an HRA with a generous allowance.
- Retirement savings plan.
- Unlimited paid time off.
- Hybrid work in the local Torrance and commutable surrounding areas market.
About Critical Loop
Critical Loop builds modular microgrid systems and predictive energy-management software that unite distributed energy resources for reliable, lower-cost power. It sells integrated hardware and battery control platforms to manufacturers, transportation hubs, data centers, and critical infrastructure operators. Founded in 2023 and headquartered in Long Beach, California, the privately held company focuses on on-site power and grid access for commercial and industrial customers.