Associate Software Integration Engineer

FlexGen
Durham, NC

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About FlexGen

Based in Durham, N.C., FlexGen is an innovative software and services provider in the global energy storage sector. At the forefront of the energy transition, FlexGen leverages decades of engineering and software expertise to help shape the future of sustainable power both in the United States and globally. FlexGen's HybridOS™ software seamlessly integrates with any hardware vendor and with both traditional and renewable power sources. Our advanced analytics and AI-driven insights enable energy storage owners to effectively deploy diverse power market strategies and integrate various generation forms, enhancing grid stability and increasing economic returns. With 1.5M hours of runtime and 8 GWh of energy storage systems managed with HybridOS™, FlexGen provides field-tested software and services solutions that are trusted by the most technically and commercially demanding developers, utilities, government agencies, and industrial companies in the world.

Position Description:

FlexGen makes software that powers the clean energy revolution. With our HybridOS platform, we enable customers to deploy and manage large-scale battery storage systems more efficiently than traditional energy management systems. Our solutions are critical to the stability and reliability of power grids as they incorporate more renewable energy sources.

As an Associate Software Integration Engineer at FlexGen, you'll be at the intersection of software development and physical energy systems, creating the connections that make our clean energy solutions work seamlessly. You'll collaborate across teams to ensure our software integrates perfectly with various renewable assets, including batteries, power conversion systems, and solar installations. Your role will be crucial in delivering high-quality, reliable solutions that help transition the world to cleaner energy.

Major Job Responsibilities:

  • Communication Protocols: Modbus, DNP3
  • Networking: TCP/IP, LAN/WAN configuration
  • Operating Systems: Linux, Windows
  • Configuration: JSON/YAML file formats
  • Virtualization: Docker

Position Requirements:

  • Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or related technical field
  • Basic knowledge of electrical engineering principles
  • Experience with network communications and protocols
  • Proficiency in Linux and Windows environments
  • Strong problem-solving and technical communication skills
  • Excellent organizational abilities and attention to detail
  • U.S. Citizenship or Permanent Resident status (capable of working without sponsorship)
  • Experience working with energy storage assets (batteries, power converters, meters, protective relays)
  • Understanding of three-phase power systems and grid stability principles
  • Willingness to travel (~10% based on commissioning schedules)

FlexGen provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, FlexGen complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

FlexGen expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status.

To the extent permitted by law, employees are subject to periodic random drug testing, and post-accident and reasonable suspicion drug and alcohol testing.

Posted 2026-07-30

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