Field Reliability Engineer, Product Serviceability

Eos Energy Storage; Edison (NJ); On-site; USD 120,000 - 170,000; Full time

Job summary

Eos Energy Enterprises, Inc. seeks an Engineer, Product Serviceability & Field Reliability to translate field data into design inputs and to equip Field Services and EPC partners with standards, diagnostics, and documentation for safe, efficient service of Eos systems.

Responsibilities include liaison between Product Engineering and Field Services, RCA support, telemetry monitoring, and developing serviceability documentation for field teams. Travel required for field deployments.

Qualifications

• 5+ years in utility-scale BESS or related power systems; bridging OEM/product engineering and EPC/field execution.
• Demonstrated experience in performance testing, capacity validation, or commissioning of megawatt-scale energy storage systems.
• Strong root cause analysis background across hardware/firmware failure modes.
• Proficiency in SQL for fleet telemetry monitoring and Python for diagnostic/data analysis.
• Experience authoring technical standards or due diligence documentation used cross-functionally.
• MS in Engineering (or equivalent); sustainable energy systems specialization a plus.
• Comfortable operating in ambiguity at a growth-stage OEM; translating field signal into upstream design action.

Responsibilities

• Serve as the primary liaison between Product Engineering and Field Services to ensure design supports constructability and long-term serviceability.
• Support RCA with Field Quality; translate findings into design changes or service bulletins.
• Develop SQL-based fleet telemetry monitoring and Python scripts for diagnostics and trend analysis.
• Create and maintain due diligence standards and field-readiness docs for EPC partners and teams.
• Identify and resolve thermal/mechanical/power bottlenecks affecting reliability and commissioning.
• Collaborate with Commissioning/Field Services to reduce on-site resolution time via better diagnostics and tooling.
• Support RFPs with serviceability and reliability input on system designs.
• Contribute to uptime KPIs and report reliability trends to leadership.

Skills

BESS field reliability

SQL

Python

Root cause analysis

Technical writing

Cross-functional collaboration

Education

MS in Engineering

Tools

Telemetry tools

Job description

Eos Energy Enterprises, Inc. seeks an Engineer, Product Serviceability & Field Reliability to translate field data into design inputs and to equip Field Services and EPC partners with standards, diagnostics, and documentation for safe, efficient service of Eos systems.

Responsibilities include liaison between Product Engineering and Field Services, RCA support, telemetry monitoring, and developing serviceability documentation for field teams. Travel required for field deployments.