Performance Engineering Intern

FlexGen

Durham, NC

About Early Careers
The FlexGen Early Careers Program is a 13-week summer program designed to provide real-world work experience to students currently pursuing a degree in a related field to FlexGen. This program will give students interested in a career in renewable energy and battery storage space hands-on exposure to FlexGen projects and mentorship from industry professionals. Upon completion of the program, students will have gained the knowledge, tools, and resources to be successful upon entering the professional world.
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
The Performance Engineering Intern will support the engineering team in analyzing and optimizing the performance of energy storage systems and software applications. This role involves conducting performance assessments, running simulations, and contributing to the development of solutions that enhance system efficiency and reliability. The intern will gain practical experience in performance engineering principles within the renewable energy sector.
Major Job Responsibilities
Assist in the design and execution of performance tests on energy storage systems and related software.
Analyze test results and provide recommendations for performance improvements.
Collaborate with engineering teams to identify and troubleshoot performance-related issues.
Support the development of performance models and simulations to predict system behavior under various conditions.
Document findings and prepare reports summarizing performance assessments and recommendations.
Participate in project meetings and contribute to discussions on performance optimization strategies.
Research industry best practices and emerging technologies related to performance engineering in energy systems.
Position Requirements
Currently pursuing a degree in Engineering (Electrical, Mechanical, or Software), Computer Science, or a related field.
Strong analytical and problem-solving skills.
Familiarity with performance testing methodologies and tools is a plus.
Proficiency in programming languages such as Python, MATLAB, or similar.
Basic understanding of energy systems and renewable energy technologies.
Excellent communication skills and the ability to work collaboratively in a team environment.
A proactive attitude and eagerness to learn about performance engineering and energy storage solutions.
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 2025-09-20

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