Senior Performance Engineer, Battery Storage Systems

HyperStrong; Town of Texas (WI); On-site; USD 110,000 - 170,000; Full time

Job summary

HyperStrong is seeking a Senior Performance Engineer to drive performance analysis and advanced troubleshooting across a fleet of utility-scale BESS assets. You will work with field service, commissioning, and engineering teams to optimize system performance, reliability, and commissioning success.

The role requires 4+ years in BESS or grid-connected energy systems, hands-on testing experience, and strong RCA skills.

Qualifications

• Bachelor’s degree in Electrical Engineering, Power Engineering, or related discipline.
• 4+ years of experience with utility-scale Battery Energy Storage Systems (BESS) or grid-connected energy systems.
• Hands-on battery capacity testing, performance testing, commissioning or system acceptance testing.
• Proven troubleshooting experience with BMS, PCS, EMS, SCADA and monitoring platforms.
• Strong understanding of battery performance, BMS, PCS, grid interconnection, and data interpretation.
• Ability to lead technical troubleshooting during outages and critical events.
• Excellent communication across engineering, service and customer teams.
• Willingness to support commissioning, testing and outage response.

Responsibilities

• Analyze battery system performance, capacity, efficiency, availability, and contract compliance.
• Investigate anomalies and degradation indicators; drive corrective actions.
• Diagnose complex issues across BMS, PCS, EMS, SCADA, and monitoring platforms.
• Analyze alarms, logs, telemetry, and time-series data to identify root causes.
• Develop test plans, evaluate results, and provide technical recommendations.
• Lead Tier 1 outage troubleshooting, testing, recovery and validation.
• Support commissioning, integration and acceptance testing of systems.
• Prepare technical reports and customer-facing findings; maintain records.
• Collaborate with Product and Software Engineering to improve performance and processes.
• Provide input for customer communications and engineering decisions.

Education

Bachelor's degree in Electrical Engineering or related

Tools

BMS

SCADA

EMS

Job description

HyperStrong is seeking a Senior Performance Engineer to drive performance analysis and advanced troubleshooting across a fleet of utility-scale BESS assets. You will work with field service, commissioning, and engineering teams to optimize system performance, reliability, and commissioning success.

The role requires 4+ years in BESS or grid-connected energy systems, hands-on testing experience, and strong RCA skills.