Power System Modeling Manager

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 is seeking a Power System Modeling Manager to lead the development, validation, and management of power system models for HybridOS, FlexGen’s Energy Management System (EMS) platform. This role combines deep technical expertise with leadership responsibilities, ensuring our models meet global interconnection and transmission study requirements. You will act as both a hands-on modeling expert and a program manager, bridging the gap between modeling, software development, and customer-facing activities.

Major Job Responsibilities:

Model Development & Validation

• Lead the design, development, and maintenance of dynamic models (e.g., PSCAD, PSS®E, EMT-type) for interconnection and grid studies
• Ensure all models comply with NERC, ISO, RTO, and international grid code requirements
• Provide clear technical specifications and executable prototypes to guide new HybridOS feature development

Consultant & Partner Management

• Coordinate with global modeling consultants, for both US and non-U.S. markets
• Review and validate third-party deliverables to ensure accuracy, quality, and compliance with regulatory standards

Customer & Project Engagement

• Represent HybridOS modeling capabilities in customer and stakeholder discussions
• Address technical modeling inquiries during project execution and proposal phases
• Support project-specific modeling needs by adapting or developing models as required

Internal Collaboration & Thought Leadership

• Work closely with software engineering teams to integrate modeling requirements into product development
• Contribute to QA/QC processes for models and modeling workflows
• Participate in industry forums and technical committees to influence and stay ahead of modeling standards and trends

Position Requirements:

• Master’s degree in Electrical Engineering, Power Systems, or related field
• 5+ years of professional experience in power system modeling and analysis
• Proficiency with PSCAD, PSS®E, or comparable simulation platforms
• Strong knowledge of NERC, ISO/RTO interconnection and modeling requirements
• Experience managing external consultants and/or cross-functional technical teams
• Ability to translate modeling outcomes into software specifications and product features
• Excellent communication and stakeholder engagement skills
• Preferred Qualifications:
• • Experience with distributed energy resources (DERs), hybrid plants, or inverter-based resources
  • Familiarity with international grid codes (e.g., Australia, Germany, Europe)
  • Understanding of Agile or modern software development workflows
  • Exposure to both regulated and deregulated electricity markets.

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.