---
title: 'Senior Accountant – Accounting & Financial Reporting at SES'
canonical: 'https://feeny.ai/job/senior-accountant-accounting-financial-reporting-ses-woburn-492285b3cpwf'
type: 'job'
last_seen: '2026-09-11'
---

# Senior Accountant – Accounting & Financial Reporting at SES

- **Company:** SES
- **Location:** Woburn, MA
- **Compensation:** $120k–$130k
- **Work type:** onsite
- **Posted:** 2026-06-10
- **Last confirmed live:** 2026-09-11
- **Apply:** https://boards.greenhouse.io/sesai/jobs/4704701005?gh_jid=4704701005

## Job description

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](http://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:

SES is seeking a motivated Senior Accountant – Accounting and Financial Reporting to join our growing Finance Team in Woburn, MA. In this role, you will work closely with the US Controller, and other members of the Finance Team to support key accounting, financial reporting, and close activities in a fast-paced, high-growth environment. This position offers broad exposure to global accounting operations, technical accounting matters, and SEC reporting support.

This position will be based in our Woburn, MA location.

## Key Responsibilities

- Prepare and maintain accurate financial records in accordance with U.S. GAAP, internal controls, and company policies.
- Participate in the monthly, quarterly, and annual financial close processes, including preparation of journal entries, account reconciliations, and supporting schedules.
- Assist with the preparation of monthly and quarterly financial reporting packages, including variance analysis and management reporting.
- Support the quarterly and annual external audit process by preparing audit schedules and responding to auditor requests.
- Assist with accounting and reporting for multiple domestic and international entities, including consolidation activities and intercompany transactions.
- Prepare and review balance sheet reconciliations and investigate unusual variances or reconciling items.
- Support the implementation and maintenance of accounting policies, procedures, and internal controls.
- Assist in researching and documenting technical accounting issues and new accounting standards under U.S. GAAP.
- Support ERP system enhancements and process improvement initiatives.
- Assist with accounts payable, payroll, tax, and other accounting-related processes as needed.
- Collaborate with FP&A, Operations, Treasury, International Finance, and other cross-functional teams to support business objectives.
- Identify accounting issues and work with management to ensure appropriate accounting treatment and disclosure.

## Qualifications & Requirements

- •    Bachelor's degree in Accounting or related field.
- Minimum of 4–6 years of relevant accounting experience.
- Strong understanding of U.S. GAAP and financial reporting requirements.
- Experience with month-end close, account reconciliations, and financial statement preparation.
- Working knowledge of equity and inventory accounting.
- Experience working with multinational companies preferred.
- Knowledge of external reporting systems such as Wdesk and/or Active Disclosure is a plus.
- Excellent written and verbal communication skills.
- Strong analytical and problem-solving skills with attention to detail.
- Strong interpersonal skills and ability to work effectively in a collaborative team environment.
- Excellent organizational and time-management skills with the ability to manage multiple priorities and deadlines.
- Big Four / Big 6 public accounting experience required.
- Certified Public Accountant (CPA) required.
- Experience with internal controls over financial reporting.
- Demonstrated initiative, accountability, and ownership of assigned responsibilities.
- Comfortable working in a fast-paced, dynamic environment.
- Proficiency in researching and applying accounting guidance to business transactions.
- Ability to identify potential accounting and reporting implications and communicate findings effectively.

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

Salary Range $120,000—$130,000 USD

## About SES

## Company Overview
- **One-liner**: SES AI Corp. is a publicly traded company that develops AI-enhanced high-energy-density Li-Metal and Li-ion batteries for electric vehicles, urban air mobility, drones, energy storage, and robotics.
- **Entity Type**: Public (NYSE: SES)
- **Headquarters**: Woburn, Massachusetts, USA (with major operations in Shanghai, China and Chungju, South Korea)
- **Founded**: 2012
- **Founders**: Dr. Qichao Hu (Founder, Chairman & CEO)

## Core Business
- Primary industry: Advanced battery manufacturing and materials science (Li-Metal and Li-ion), with a strong focus on AI-driven material discovery and battery management.
- Target customers: B2B – automotive OEMs (GM, Honda, Hyundai), drone manufacturers, urban air mobility companies, and energy storage system integrators.
- Mission: “Accelerate the world’s energy transition through material discovery and battery management.”

## Products & Services
- **Li-Metal Battery Cells**: High-energy-density cells in form factors like 30Ah, 100Ah, and 6Ah, designed for EV, UAM, drones, and robotics.
- **Molecular Universe (AI4Science SaaS Platform)**: An AI-driven platform that maps small molecules and deploys AI agents to accelerate electrolyte material discovery for both Li-Metal and Li-ion chemistries.
- **Avatar (AI for Manufacturing & Safety)**: A set of AI solutions that capture manufacturing defects beyond conventional quality control and predict battery health and vehicle value.
- **ESS (Energy Storage Systems)**: Fully integrated hardware/software solutions for data centers and commercial & industrial applications, including battery health and safety management powered by Molecular Universe.

## Market Standing
- **Valuation/Market Cap**: Approximately $1.0 billion (as of mid-2026, per LinkedIn data)
- **Key Metric**: Annual revenue – Not publicly available (SEC filings exist but not summarized in available sources); Total funding – IPO in 2022 (amount not specified in search results)
- **Notable Investors/Partners**: Joint development agreements with General Motors, Honda, and Hyundai – the only Li-Metal battery company with three such major automotive partnerships.
- **Growth Signals**: Opened a new manufacturing facility in Chungju, South Korea; expanded NDAA-compliant drone cell production; Shanghai Giga facility (300,000 sq ft) is one of the largest Li-Metal pilot plants globally. However, LinkedIn shows a 6.7% year-over-year decline in headcount (98 employees as of mid-2026).

## Competitive Advantages
- First batteries in the world to contain electrolyte materials discovered by AI (via Molecular Universe platform).
- Deep partnerships with three global automakers, providing co-development and potential supply channels.
- End-to-end R&D from AI-driven material discovery to large-format cell manufacturing.
- Global footprint with facilities in the US, China, and South Korea, enabling access to different supply chains and markets.

## Strategic Focus
- Scaling Molecular Universe to accelerate material discovery for both next-generation Li-Metal and mainstream Li-ion applications.
- Expanding Avatar AI solutions to ensure 100% battery safety in the field and reduce manufacturing defects.
- Diversifying beyond automotive into drones, urban air mobility, robotics, and stationary energy storage (ESS).
- Strengthening NDAA-compliant supply chains for defense and drone applications.

## Why Work Here
- Culture: “SES welcomes all, but is not for everyone” – the company seeks top-tier talent in electrochemistry, computational chemistry, cell engineering, AI/ML, and materials science.
- Locations: Woburn (Boston HQ), Shanghai, Chungju (South Korea), with additional offices in Hong Kong, Singapore, and Malaysia.
- Work policy: Likely on-site/lab-intensive given battery R&D and manufacturing; specific remote/hybrid policies not disclosed.
- Notable perks: Not explicitly listed, but employees have backgrounds from MIT, Harvard, national labs, and top battery companies. Salary ranges from LinkedIn: Technician ~$60k, Senior Electrical Engineer ~$131k, Senior Software Engineer ~$130k.
- Engineering culture: Heavy emphasis on AI for science, autonomous labs, and real-world impact on energy transition.

## Sources
1. [SES AI About Us](https://www.ses.ai/about-us)
2. [SES AI Official Site](https://www.ses.ai/)
3. [SES AI Team Page](https://www.ses.ai/ses-team)
4. [SES AI LinkedIn](https://www.linkedin.com/company/ses-ai)
5. [SES AI Careers (Greenhouse)](https://job-boards.greenhouse.io/sesai)

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