Field Application Engineer – Battery Energy Storage Systems

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

Benefits offered by this job

Health coverage

Stock options

Career growth

State-of-the-art facilities

Job summary

SES AI Corp. seeks a Field Application Engineer to lead field deployment and support for advanced battery and energy-storage systems. The role covers onsite installation, commissioning, maintenance, and remote troubleshooting, with travel as needed.

You will diagnose system-level issues across batteries, BMS, EMS, PCS, and edge devices, collaborating with engineering and sales teams to ensure performance and customer satisfaction.

Qualifications

• Experience with batteries, BMS, energy-storage systems, or related power electronics.
• Experience commissioning or servicing battery packs, BMS, EMS, PCS, inverters, or cloud-connected energy systems.
• Familiarity with battery operating parameters and safety.
• Experience using diagnostic tools such as multimeters, oscilloscopes, CAN analyzers, and data loggers.

Responsibilities

• Serve as the primary technical contact for customers via phone, email, and remote tools.
• Lead onsite installation, commissioning, configuration, testing, maintenance, and upgrades.
• Troubleshoot hardware, software, and system-integration issues across battery packs and BMS.
• Analyze logs and alarms to identify root causes and recommend actions.
• Develop service procedures, troubleshooting guides, and customer training materials.

Skills

BMS experience

Energy storage

Power electronics

EV charging systems

Troubleshooting

Field deployment

Python

Linux

Tools

CAN analyzers

Oscilloscopes

Multimeters

Data loggers

Documentation tools

Firmware updates

Job description

Field Application Engineer – Battery Energy Storage Systems

About Us:

SES AI Corp. (NYSE: SES) is dedicated to accelerating the world’s energy transition through groundbreaking material discovery and advanced battery management. We are at the forefront of revolutionizing battery creation, pioneering the integration of cutting‑edge machine learning into our research and development. Our AI‑enhanced, high‑energy‑density and high‑power‑density Li‑Metal and Li‑ion batteries are unique; they are the first in the world to utilize electrolyte materials discovered by AI. This powerful combination of "AI for science" and material engineering enables batteries that can be used across various applications, including transportation (land and air), energy storage, robotics, and drones.

• A highly competitive salary and robust benefits package, including comprehensive health coverage and an attractive equity/stock options program within our NYSE‑listed company.
• The opportunity to contribute directly to a meaningful scientific project—accelerating the global energy transition—with a clear and broad public impact.
• Work in a dynamic, collaborative, and innovative environment at the intersection of AI and material science, driving the next generation of battery technology.
• Significant opportunities for professional growth and career development as you work alongside leading experts in AI, R&D, and engineering.
• Access to state‑of‑the‑art facilities and proprietary technologies are used to discover and deploy AI‑enhanced battery solutions.

What we Need:

We are seeking a Field Application Engineer (FAE) to lead field deployment, technical support, and after‑sales service for advanced battery and energy‑storage systems.

The successful candidate will support customers through onsite service, phone‑based technical assistance, and remote troubleshooting. Responsibilities include system installation, commissioning, maintenance, issue resolution, and performance monitoring. This role requires hands‑on experience with both hardware and software and the ability to diagnose system‑level issues involving batteries, battery management systems (BMS), power electronics, communication networks, and cloud‑or edge‑based software.

The candidate will work closely with customers, engineering teams, manufacturing partners, and business‑development teams. Occasional after‑hours support and domestic travel will be required based on customer and project needs.

Essential Duties and 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.

Required 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.

The salary range for this position as required under applicable pay transparency laws.

Salary Range

$90,000 - $120,000 USD