Battery Storage Field Applications Engineer

SES AI; Boston (MA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Health coverage

Stock options

Career growth

State-of-the-art facilities

Job summary

SES AI Corp. is seeking a Field Application Engineer to lead field deployment and after-sales support for advanced battery and energy-storage systems.

You will install, commission, maintain, and troubleshoot complex battery packs, BMS, EMS, PCS, and related hardware/software, interfacing with customers and internal teams. The role requires hands-on hardware and software experience, domestic travel, and the ability to diagnose system-level issues across battery technology and cloud- or edge-based

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 via 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 propose corrective actions.
• Collaborate with engineering and quality teams to resolve field issues and improve product reliability.
• Develop service procedures, troubleshooting guides, technical documentation, and customer-training materials.
• Provide occasional after-hours support and travel domestically as required.

Skills

Battery systems

BMS

Power electronics

EV charging

Renewable energy

Tools

Multimeters

Oscilloscopes

CAN analyzers

Data loggers

Job description

SES AI Corp. is seeking a Field Application Engineer to lead field deployment and after-sales support for advanced battery and energy-storage systems.

You will install, commission, maintain, and troubleshoot complex battery packs, BMS, EMS, PCS, and related hardware/software, interfacing with customers and internal teams. The role requires hands-on hardware and software experience, domestic travel, and the ability to diagnose system-level issues across battery technology and cloud- or edge-based