Senior BESS Engineer

ascendingdc; Juno Beach (FL); On-site; USD 90,000 - 120,000; Full time

Job summary

ascendingdc is seeking a Senior BESS Engineer in Juno Beach, Florida, to lead the design and integration of utility-scale battery storage systems. This role is crucial for stabilizing power for AI data centers, focusing on electrical modeling and safety compliance.

The ideal candidate will have a BS/MS in Electrical Engineering, over 5 years of relevant experience, and expertise in power systems. Responsibilities include designing BESS solutions and leading onsite testing.

Qualifications

• Minimum 5 years of experience in utility-scale BESS or power electronics.
• Deep understanding of NFPA 855 and UL 9540 safety standards.
• Experience in onsite commissioning and troubleshooting.

Responsibilities

• Design large-scale Battery Energy Storage Systems including containerized solutions.
• Perform complex electrical modeling for BESS integration.
• Lead onsite commissioning, performance testing, and troubleshooting.

Skills

Utility-scale BESS design

Electrical modeling

Power systems studies

Battery chemistry knowledge

Education

BS/MS in Electrical Engineering or related field

Tools

PSSE

ETAP

PSCAD

Job description

Senior BESS (Battery Energy Storage Systems) Engineer

Location:FL
Position Type: Direct Hire

Role Summary: We are seeking a Senior BESS Engineer to lead the design and integration of utility-scale battery storage solutions. This role is critical in stabilizing power for the next generation of AI data centers. You will be responsible for the technical lifecycle of energy storage systems, ensuring they meet the high-density power demands and rapid discharge requirements of hyperscale facilities.

Key Responsibilities:

• Design and engineer large-scale Battery Energy Storage Systems (BESS), including containerized solutions and DC-coupled architectures.
  Perform complex electrical modeling to ensure BESS integration optimizes frequency regulation and peak shaving for high-load AI training environments.
  Select and validate battery chemistries, inverters (PCS), and thermal management systems to maximize safety and cycle life.
  Lead onsite commissioning, performance testing, and troubleshooting of battery racks and power conversion systems.
  Collaborate with grid interconnection teams to ensure compliance with local Florida utility standards and NERC/FERC regulations.

Required Qualifications:

• BS/MS in Electrical Engineering or a related field.
• 5+ years of experience specifically in utility-scale BESS or power electronics.
• Expertise in Power System Studies (e.g., PSSE, ETAP, or PSCAD).
• Deep understanding of NFPA 855 and UL 9540 safety standards.