Senior Software Engineer - Micro Grid Controller

ETAP•Irvine, CA

21h•Onsite

About The Position

ETAP empowers customers to make informed decisions throughout the life cycle of their projects with innovative software solutions for electrical systems. By applying ETAP solutions, customers experience continuous intelligence during design and engineering and into operations and maintenance using a unified electrical digital twin platform. ETAP supports customers in their digital transformation and sustainable energy transitions for a green and smart future, helping them to prioritize safety, maximize reliability, and stay resilient. Our employees' passion for excellence, innovation, and customer satisfaction is our most-prized resource. If you share that passion — and want to be part of a company that leads the energy transition towards a cleaner and more resilient world for future generations — we invite you to join us! ETAP is committed to creating a diverse work environment and is proud to be an Equal Opportunity Employer. The Job We are seeking a Senior Software Engineer to lead the design, development, and optimization of our Microgrid Controller (MGC) system software. This role is ideal for an experienced engineer who thrives at the intersection of systems architecture, real-time controls, and distributed energy innovation. You will drive improvements across the MGC platform — from Linux host optimization to network communication, cybersecurity, and automated testing. This position offers a chance to make a tangible impact on how modern microgrids are monitored and controlled worldwide.

Requirements

7+ years of professional software engineering experience, with at least 5+ years of hands-on development in C, C++, Python, and/or Perl.
Strong background in Linux system integration and administration (RHEL preferred).
Proven experience with real-world system integration, delivery, and deployment.
Hands-on experience in test automation, CI/CD pipelines, and validation frameworks.

Nice To Haves

Familiarity with industrial communication protocols (Modbus, DNP3, IEC 61850).
Experience with distributed control systems, embedded Linux, or power systems.
Working knowledge of cybersecurity principles in critical infrastructure systems.
Demonstrated ability to lead technical projects and mentor junior engineers.
Strong analytical, problem-solving, and communication skills.

Responsibilities

Architect, design, and enhance the MGC Linux (RHEL 9.x) platform to meet demanding reliability and performance standards.
Collaborate with the MGC Core team to evolve controller logic and extend system capabilities.
Integrate third-party communication libraries and protocols such as Modbus, DNP3, and IEC 61850.
Analyze, configure, and optimize network devices, including firewalls, routing, and security components.
Develop and maintain APIs and remote configuration frameworks for scalable deployment.
Design and support redundancy and failover mechanisms ensuring high system availability.
Install, configure, and maintain databases (e.g., MongoDB, SQL) for data persistence and telemetry.
Implement and validate cybersecurity compliance across all system components.
Lead the creation of automated testing and integration frameworks to ensure reliability and performance at scale.
Mentor and guide junior engineers, fostering technical excellence and collaboration.