Field Application Engineer — Battery Storage (Equity Options)

sesai; Woburn (MA); Hybrid; USD 90,000 - 120,000; Full time

Job summary

SES AI Corp. is seeking a Field Application Engineer to lead field deployment, provide technical support, and deliver after‑sales service for advanced battery and energy‑storage systems.

The role requires hands-on experience with hardware and software and the ability to diagnose system-level issues across BMS, power electronics, and cloud‑based software. The successful candidate will support customers onsite, via phone, and remotely, with occasional after‑hours support and domestic travel.

Qualifications

• Experience with batteries, BMS, energy-storage systems, power electronics, EV charging systems, or renewable-energy products.
• Experience commissioning or servicing battery packs, BMS, EMS, PCS, inverters, or cloud-connected energy systems.
• Familiarity with battery operating parameters, fault alarms, protection functions, state of charge, and state of health.
• Experience using diagnostic tools such as multimeters, oscilloscopes, CAN analyzers, and data loggers.
• Basic experience with Python, Linux, firmware updates, network configuration, or system-log analysis.
• Knowledge of battery safety, electrical safety, and applicable industry standards.

Responsibilities

• Serve as the primary technical contact for customers and answer product-related questions by phone, email, and remote-support tools.
• Lead onsite installation, commissioning, configuration, testing, maintenance, and system upgrades.
• Troubleshoot hardware, software, communication, and system-integration issues involving battery packs, BMS, EMS, PCS, inverters, gateways, and edge devices.
• Analyze system logs, operating data, fault codes, and alarms to identify root causes and recommend corrective actions.
• Work with engineering and quality teams to resolve field issues, verify solutions, and improve product reliability.
• Develop service procedures, troubleshooting guides, technical documentation, and customer-training materials.
• Provide occasional after-hours support and travel domestically to customer and project sites as required.

Skills

Batteries

BMS

Energy storage

Power electronics

EV charging

Cloud-connected

Tools

Multimeters

Oscilloscopes

CAN analyzers

Data loggers

Job description

SES AI Corp. is seeking a Field Application Engineer to lead field deployment, provide technical support, and deliver after‑sales service for advanced battery and energy‑storage systems.

The role requires hands-on experience with hardware and software and the ability to diagnose system-level issues across BMS, power electronics, and cloud‑based software. The successful candidate will support customers onsite, via phone, and remotely, with occasional after‑hours support and domestic travel.