Field Application Engineer – Battery Energy Storage Systems

SES AI Corporation is an advanced battery technology company headquartered in Boston, Massachusetts, focused on developing lithium-metal (Li-Metal) and lithium-ion (Li-ion) battery solutions for electric transportation and energy storage applications. The company operates three core business units: Drones, which supplies high-energy and high-power density NDAA-compliant cells for drones, urban air mobility, and robotics; ESS (Energy Storage Systems), which provides integrated hardware and software solutions for data centers and commercial and industrial customers; and Materials, which leverages AI-driven discovery to supply next-generation battery materials. Central to its operations is the Molecular Universe platform, an AI-for-Science SaaS platform that powers material discovery, battery management, and workflow automation across all business units.

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.

To learn more about us, please visit: www.ses.ai

 

What We Offer:

• 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.