Performance Engineer

Title : Performance Engineer

Location : Alpharetta, GA (Hybrid, 2–3 days onsite preferred). Houston, TX, and Arlington, VA, also considered. Remote flexibility available for highly qualified candidates.

Target Start Date: ASAP

Type : 12-Month Contract-to-Hire (CTH)

Join a growing organization at the forefront of large-scale energy storage technology, where your engineering expertise will directly contribute to the performance and reliability of battery energy storage systems. This opportunity offers exposure to complex renewable energy projects, collaboration with electrical engineers and software development teams, and hands-on experience with performance testing, data analytics, and technical problem-solving. Youll receive training from experienced team members while building your expertise in a rapidly evolving industry, with the potential to transition into a long-term, full-time position.

Job Description

We are seeking a Performance Engineer to support the analysis, testing, and optimization of battery energy storage systems (BESS) across projects in North America. This individual will evaluate system performance against contractual requirements, analyze AC and DC electrical data, develop acceptance testing plans, and prepare technical reports for internal teams and customers. The role involves reviewing electrical drawings, single-line diagrams, and contractual performance requirements to ensure systems meet established expectations. Working closely with engineering, software development, operations, and customer-facing teams, the Performance Engineer will identify performance issues, support troubleshooting and root cause analysis, and recommend improvements to system reliability and efficiency. The ideal candidate has a strong electrical engineering foundation, analytical capabilities, and the ability to manage changing priorities in a deadline-driven environment.

Required Skills

• Bachelors degree in Electrical Engineering, Electrical and Electronics Engineering, or a closely related electrical engineering discipline.

• Approximately 2 years of relevant experience in electrical engineering, renewable energy, utilities, or energy storage; candidates with a relevant masters degree and academic project experience will also be considered.

• Foundational understanding of battery energy storage systems (BESS) and electrical power systems.

• Ability to read and interpret electrical drawings and single-line diagrams.

• Understanding of AC and DC electrical systems and associated performance data.

• Ability to review technical contracts and interpret performance requirements.

• Strong Microsoft Excel skills for analyzing and organizing technical data.

• Familiarity with AWS tools, including S3 and SageMaker.

• Working knowledge of Python, including the ability to understand existing code and identify potential issues.

• Strong analytical and problem-solving skills, with the ability to investigate technical performance issues.

• Ability to prepare technical documentation, testing reports, and customer-facing deliverables.

• Strong communication skills and the ability to collaborate with internal and external stakeholders.

• Ability to work independently, manage multiple priorities, and meet project deadlines.

Bonus/Soft Skills

• Masters degree in electrical engineering or a related discipline.

• Previous experience working with an energy storage company.

• Experience developing or supporting performance testing and acceptance test plans.

• Familiarity with battery performance analysis, data acquisition, and root cause investigations.

• Advanced proficiency in Microsoft Word and PowerPoint.

• Strong organizational skills and attention to detail.

• Enthusiasm for learning new technologies and developing technical expertise.

• Ability to adapt quickly to changing project requirements and priorities.

• Collaborative, proactive approach to problem-solving.

• Strong sense of ownership and accountability.

• Willingness to travel occasionally to project sites for technical learning and exposure.

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