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: 

The SES AI Hermes team is seeking an exceptional Battery Product Development Leader to specialize in customer-facing product development across electrochemistry, materials science, and next-generation battery platform design. This pivotal leadership role will integrate R&D, product requirements, and OEM customer needs to deliver validated battery component and system-level innovations. As a Product Development Leader, you will be responsible for translating complex battery concepts into manufacturable, customer-ready solutions and managing key relationships. 

Essential Duties and Responsibilities: 

• Customer & Program Leadership 

• Lead key OEM customer programs and serve as the primary technical interface between the customer, R&D, manufacturing, and quality teams. 

• Develop and manage the technical roadmap for next-generation battery platforms, ensuring alignment with customer requirements and business strategy. 

• Drive cross-functional alignment to seamlessly integrate R&D outputs into manufacturable and scalable solutions. 
   

• Category (e.g., Model Optimization & Implementation) 

• Oversee the entire product lifecycle, from initial concept to customer testing and validation, ensuring product quality and manufacturability. 

• Spearhead process and product optimization efforts, including DOE (Design of Experiments) design and comprehensive failure analysis to scale technology from the lab to prototype. 

• Apply deep expertise in electrochemical engineering, materials chemistry, and interfacial science to solve complex product development challenges. 
   

• Strategy & Execution 

• Translate next-generation battery concepts into clear, implementable, and manufacturable solutions suitable for mass production and client delivery. 
   

Education and/or Experience: 

• Education: Ph.D. in Chemical Engineering, Materials Science, Electrochemical Engineering, or a closely related field. 

• Leadership Experience: Deep experience at a top management level or senior technical capacity in product platforms and leading OEM client projects. 

• Battery Domain Expertise: Strong background in electrochemical engineering, materials chemistry, and interfacial science within the context of next-generation battery platform development. 

• Technical Program Management: Proven experience in technical roadmapping, and managing the critical validation stages from lab → prototype → customer testing. 

• Problem Solving: Proficiency in technical problem-solving, including DOE design and failure analysis for scaling processes. 

Preferred Qualifications: 

• Industry Profile: Previous experience as a Senior Product Manager or Technical Program Director at major battery manufacturers or automotive R&D centers. 

• Process Scaling: Specific experience in process and product optimization for high-volume manufacturing environments. 

• System-Level Integration: Experience integrating validated battery components into larger system-level innovations. 

Senior Scientist, Material Characterization

Responsibilities

• Lead materials characterization and validation activities.
• Procure analytical equipment as and when needed.
• Analysis of chemical, physical, and thermal properties of all battery materials and understand their interactions with each other.
• Performs critical interpretation of analytical data; analyzes information to drive mechanistic understanding.
• Develop a fundamental mechanistic understanding of Li-metal anode cell performance failure modes

Qualifications

• Doctorate in chemistry, chemical engineering, materials science, or related fields with 5+ years of industrial/academic experience.
• Expertise and experience in operating and maintaining analytical instruments including but not limited to GC, FTIR, UV-Vis, DSC, TGA, SEM, XPS, Raman, and NMR.
• Experience working with moisture sensitive materials in a glovebox or dry room.
• Experience in electrochemistry, specifically on lithium-ion batteries.
• Ability to analyze data and draw deeper conclusions from analytical data.
• Ability to communicate new concepts and draw insight from discussions with coworkers.
• Demonstrable track record of learning new technologies quickly and using your skillset to have a tangible impact in a short time frame.
• A technical leader with the ability to positively influence peers and bring the team together.
• Understanding terminologies in Materials Science field. Ability to read documents and have conversation in English.

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: 

The SES AI Hermes team is seeking an exceptional Battery Electrolyte Scientist & Materials Chemistry Leader to serve as an R&D leader specializing in electrolyte development and interfacial chemistry. This role is critical for producing experimentally validated battery component data, guiding AI model training, and defining the materials innovation roadmap for next-generation energy storage systems. As an Electrolyte Scientist and R&D Leader, you will direct key experimental programs and manage the strategic interface between chemistry and AI. 

Essential Duties and Responsibilities: 

• R&D Program Leadership 

• Direct complex electrolyte R&D programs focused on next-generation battery systems, ensuring alignment with customer and product requirements (e.g., safety, cyclability, low/high temperature performance). 

• Lead multi-R&D teams composed of chemists, data scientists, and engineers to achieve key innovation milestones. 

• Define the materials innovation roadmap, particularly related to electrolyte formulation and interfacial science. 
   

• Experimental Validation & Data Generation 

• Oversee SEI (Solid Electrolyte Interphase) engineering and additive optimization programs, leveraging expertise in fundamental materials chemistry. 

• Lead cell-level validation and the integration of new electrolytes into prototype cells. 

• Produce high-quality, experimentally validated battery component data, guiding AI model training by ensuring data quality, experimental reproducibility, and comprehensive parameter space coverage (Data-driven experimentation). 
   

• AI Integration & Tools 

• Utilize molecular informatic tools to accelerate battery component optimization cycles, effectively bridging experimental data with AI-generated candidates. 
   

Education and/or Experience: 

• Education: Ph.D. in Materials Science and Engineering, Chemical Engineering, Electrochemistry, or a closely related materials chemistry field. 

• R&D Leadership: Proven background as an electrochemical researcher and R&D leader experienced in directing technical programs and managing multi-disciplinary research teams. 

• Core Chemistry Expertise: Deep expertise in fundamental materials chemistry, interfacial science, additive optimization, and Solid-Electrolyte Interphase (SEI) engineering. 

• Validation Experience: Extensive experience in cell-level validation and advanced characterization techniques, demonstrating an ability to integrate new materials into prototype cells. 

• Data Focus: Demonstrated experience in data-driven experimentation and structuring chemistry data for AI model consumption. 
   

Preferred Qualifications: 

• Industry Focus: Previous experience at leading battery manufacturers, electrolyte R&D teams, or applied materials chemistry labs, especially those focused on next-generation battery and energy storage systems. 

• Program Alignment: Strong track record of successfully aligning R&D execution with clear customer and product requirements. 

• Informatics Tooling: Ability to use or integrate results from molecular informatic tools for component optimization. 

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: 

The SES AI Hermes team is seeking an exceptional Battery Manufacturing & Operations Leader to lead pilot-scale cell manufacturing, drive prototype execution, and oversee process optimization. This critical leadership role ties R&D innovation to manufacturable products by managing technical customer programs and bridging critical gaps between design concepts and commercial readiness. As a key Leader in Battery Manufacturing and Operations, you will manage the transition of next-generation battery technology from the lab to scaled production. 

Essential Duties and Responsibilities: 

• Manufacturing & Operations Leadership 

• Lead and manage all aspects of pilot-scale cell manufacturing and prototype execution, focusing on various cell designs (pouch, EV, ESS). 

• Drive the establishment of pilot lines, define SOPs (Standard Operating Procedures), and lead QA/QC processes for production scheduling and test data management. 

• Oversee the entire technology scale-up process, ensuring that R&D next-generation battery concepts are ready for mass production. 
   

• Product & Customer Program Management 

• Serve as the Product Execution Director for technical customer programs, managing the process to deliver validated battery components and systems. 

• Drive the NPI (New Product Introduction) process and utilize quality assurance methodologies like DFMEA (Design Failure Mode and Effects Analysis) and DVP&R (Design Verification Plan and Report). 

• Develop and maintain extended relationships within OEM organizations, including technology specification teams and purchasing, by identifying their product/application and service needs. 
   

• Cross-Functional Strategy 

• Provide cross-functional leadership, effectively bridging the technical gaps between R&D, Manufacturing, and Quality organizations. 
   

Education and/or Experience: 

• Education: Ph.D. in Materials Science and Engineering, Chemical Engineering, or a closely related field. 

• Leadership Experience: Deep experience at a senior level in pilot-scale cell manufacturing, prototype development, or technical operations management, taking the lead on new projects globally. 

• Battery Domain: Core expertise in Lithium-ion, Solid-state, and Li-metal battery chemistry and the manufacturing processes associated with them. 

• Process Acumen: Expertise in NPI processes, process optimization, and hands-on experience in SOP definition, scale-up, and quality control. 

• OEM Engagement: Direct experience managing technical customer program management and setting technical roadmaps with external clients. 

Preferred Qualifications: 

• Profile Match: A background profile as a Material Scientist who transitioned into a high-level Operations and Product Execution Director role. 

• Industry Background: Previous experience working within an Automobile OEM or a leading EV battery manufacturer. 

• Quality Systems: Advanced proficiency in using DFMEA/DVP&R methodologies in a high-tech manufacturing environment. 

Department：Hermes

职位：高级材料合成科学家

职责描述： 

1.材料合成路线设计，根据已有的实验室材料合成路线拓展适合工业生产的合成路线

2.材料合成路线设计，从头自主开发适合工业生产的合成路线，

3.参与项目计划制定及项目讨论，经实验室小试，中试，最后到工业化量产。

任职资格：

1.有机化学、合成化学或相关领域的博士学位，并在该领域有丰富的经验

2.精通化学反应机制、反应优化和控制的基础知识，并熟悉常规化学分析和精密化学分离技术

3.工作认真负责，积极主动，严谨及高效，具有团队合作精神 4.有化工项目落地及工厂建设经验尤佳

Responsibilities

1. Material synthesis route design, according to the existing laboratory material synthesis route to expand the synthesis route suitable for industrial production
2. Design of material synthesis route, independently develop synthesis route suitable for industrial production from scratch.
3. Participate in project planning and project discussion, through laboratory trial, pilot test, and finally to industrial mass production.

Qualifications:

1. A PhD in organic chemistry, synthetic chemistry or a related field with extensive experience in the field
2. Proficient in the basic knowledge of chemical reaction mechanism, reaction optimization and control, and familiar with conventional chemical analysis and precision chemical separation technology
3. Serious and responsible, proactive, rigorous and efficient, with team spirit 4. Chemical project landing and plant construction experience is a plus

Process Engineer

Responsibilities

• Responsible for process support, process verification and optimization and promotion of process problems in the design and development phase of PACK project

• Responsible for preparing product process documents (PFMEA, process flow chart, control plan, WI, etc.), proficient in PACK production process and key process control points

• Provided technical support for production, formulated standard operation instructions for each process, and solved technical problems in the production process

• In-depth technical exchanges on the production site, providing guidance for key parts and processes

Qualifications

• Bachelor’s degree, major in mechatronics, electronics, electrical, process design

• At least 2 years working experience in PACK assembly or lithium battery industry

• Good at analyzing and solving problems, have good communication and coordination skills

• Familiar with IATF16949 quality management system

• Proficient in Office, AUTOCAD and other software

• Have a certain ability to work under pressure, have a strong sense of team spirit and cooperation

Senior Material Engineer

Responsibilities

• Responsible for the pilot production and expansion of the existing material pilot process.

• Responsible for chemical process plan, equipment selection and engineering design.

Qualifications:

• Gender: no limit.

• Major: Chemistry related major, organic synthesis, chemical engineering, etc.

• Education and work experience: Master or above, with more than 5 years of organic synthesis work experience, fluorine chemical work experience is preferred.

• Professional skill requirements:

  • Familiar with the principles and methods of organic synthesis.

  • Familiar with chemical synthesis and distillation equipment and distillation operation.

  • Familiar with recrystallization process and equipment.

  • Familiar with solid-liquid separation process and equipment.

• Work attitude requirements:

  • Diligent, modest and progressive.

  • Obey the post transfer and job content transfer arrangement within the department.

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 an exceptional Leader to head SES's global Materials BU, owning strategy, P&L, customer development, product direction, and cross-functional execution across the U.S., Asia, and EU. This role combines business development, product/market leadership, and technical fluency in next-generation battery materials, with responsibility for scaling commercial electrolyte and materials programs that support our ESS and Drone platforms. We are seeking a hands-on, first-principles operator with deep experience in the chemical, materials, or electrolyte ecosystem - preferably with strong Japan/Korea industry networks - and the ability to drive both commercial and technical outcomes.

Essential Duties and Responsibilities:

Strategic Leadership:

- Own all Sales and Business Development for Materials BU, including revenue, gross margin, cost structure, and annual operating plan.

- Develop and execute a 1-3 year strategy covering markets, partners, product priorities, and capacity needs.

- Build annual/quarterly plans with Finance, Legal, and executive leadership.

Market Development & Customer Expansion (US/EU focus):

- Lead go-to-market strategy for electrolyte and key battery materials, driving growth with enterprise OEM, Tier-1, and chemical supplier customers.

- Expand commercial relationships across Japan and Korea, leveraging existing networks and establishing new strategic partnerships.

- Develop, negotiate, and close major supply, co-development, and licensing agreements.

Product & Portfolio Leadership (Materials + AI):

- Translate customer requirements into a prioritized materials R&D roadmap that supports SES's ESS and Drone cells.

- Guide R&D and external partners to improve time-to-qualification and yield.

Commercial Excellence:

- Establish pricing, packaging, commercial models, and contracting frameworks.

- Create disciplined pipeline management and forecasting processes.

- Partner with engineering and R&D to streamline technical-to-commercial handoffs.

Operations, Quality & JV Management:

- Collaborate with Operations, QA, and EHS across global facilities.

- Oversee JV performance, governance, budgets, and KPIs.

- Align S&OP, capacity, supply chain, and materials flow with BU revenue goals.

Cross-BU Integration:

- Synchronize Materials BU output with ESS and Drone program milestones.

- Ensure materials qualification aligns with testing timelines.

Team Leadership & Culture:

- Build and lead a high-leverage hybrid team.

- Recruit talent with strong KR/JP chemical/electrolyte industry experience.

- Foster a culture of energy, humility, learning, and first-principles thinking.

External Engagement & Industry Presence:

- Represent SES at conferences and trade shows.

- Develop external messaging, positioning, and collateral.

Education and/or Experience:

- 10-20+ years in materials, chemicals, battery supply chain, electrolytes, or adjacent industries.

- Strong BD and deal-making track record with OEMs, Tier-1s, or chemical companies.

- Experience in Japan/Korea markets.

- Demonstrated P&L ownership.

- Hands-on, first-principles thinker with customer and factory-floor experience.

- Product/tech-driven environment experience.

- Excellent English; Japanese or Korean a plus.

Preferred Qualifications:

- Strong Japan/Korea industry networks in the chemical/electrolyte ecosystem.

- Experience negotiating and closing major supply, co-development, and licensing agreements for electrolyte and battery materials.

- Experience operating globally across the U.S., Asia, and the EU, including JV governance and performance management.

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:

The SES AI Department is seeking an Electrolyte Scientist to join our team dedicated to mobile energy storage. This scientist will be responsible for creating innovative electrolyte materials and systems that enable safe, long-lasting, and high-energy-density lithium-ion batteries. Key duties include designing, developing, and optimizing electrolyte formulations, as well as meticulously analyzing their interactions with other cell components during battery cycling and storage. The ideal candidate is a passionate, highly detail-oriented, and collaborative team player who thrives in a fast-paced environment and shares a vision for advancing energy storage technology.

Essential Duties and Responsibilities:

• Formulation and Materials Design
  • Design and develop electrolyte formulations compatible with high energy density lithium-ion anodes and high nickel content NMC cathode cell chemistries to achieve a long cycle life safely.
  • Design electrolyte systems to demonstrate improvements in safety performance, including dimensional stability during battery cycling and storage.
  • Provide technical assessment on existing electrolyte systems, additives, and lithium salts in high energy, high-capacity rechargeable lithium-ion cells.
    
    
• Electrochemical Characterization and Analysis
  • Fully characterize coin and pouch cell performance using new materials and formulations.
  • Utilize electrochemical testing and analytical techniques to understand reaction mechanisms, failure modes, and potential benefits of new formulations.
  • Demonstrate the ability to use fundamental physical chemistry concepts and experimental techniques to provide promising electrolyte formulation strategies.
    
    
• Project Management, Communication, and Leadership
  • Ability to independently plan, execute, manage, and communicate progress on projects.
  • Support product development as required for the prototype-manufacturing team.
  • Process Optimization: Design and implement streamlined testing metrics (e.g., Design of Experiments - DoE) to significantly shorten the R&D learning and development cycle.
  • Communication & Insight: Effectively communicate new concepts, findings, and project updates to the team, drawing actionable insights from discussions.
  • Technical Leadership: Serve as a technical mentor and leader to junior staff, guiding experimental design and professional development.
  • Knowledge Integration: Actively integrate and synthesize existing in-house knowledge with new discoveries to accelerate development and problem-solving.
  • IP Development: Proactively contribute to the company's intellectual property portfolio through invention disclosures and patent applications.
    
    

Education and/or Experience:

• Scientific Knowledge: MS (or better) level of understanding in Electrochemistry, Materials Science, Chemical Engineering, or a related physical science field.
• Experience with developing semi-solid electrolytes (e.g. in-situ gel polymer electrolyte, polymer electrolyte, hybrid solid/liquid electrolyte) are highly preferred. 
• Experience Level: Minimum of 3+ years of industrial or advanced academic experience (post-MS) focused on electrolyte or battery materials development.
• Chemistry Foundation: Strong knowledge of common lithium-ion electrolyte systems, including common lithium salts, solvents, and additives, and their specific roles.
• Physicochemical Understanding: Experience applying physical-chemical methods to tackle formulation problems and understanding properties like density, viscosity, and ionic conductivity.
• Electrochemical Techniques: Hands-on expertise in advanced electrochemical characterization, including Electrochemical Impedance Spectroscopy (EIS) and galvanostatic cycling.
• High-Purity Handling: Proven experience working with moisture sensitive materials in a glovebox or dry room environment, and expertise in handling high purity chemicals.
• Data Proficiency: Proficiency in battery cell tests (coin/pouch) and scientific data analysis (e.g., using statistical or scientific software).
• Industry Knowledge: Proven ability to onboard and integrate existing in-house knowledge with new discoveries and challenges.
  
  

Preferred Qualifications:

• Advanced Degree: Doctorate (Ph.D.) in Chemistry, Chemical Engineering, or a related field, with 3+ years of post-PhD industrial experience.
• Diverse Formulation: Experience in formulation development beyond liquid electrolytes, including exposure to polymer electrolytes, ionic liquids, and/or solid-state electrolytes.
• Large Format Experience: Direct experience working with and characterizing large format cells (e.g., prismatic or cylindrical).
• Software/Modeling: Experience with computational chemistry or battery modeling tools.
• Industry Alignment: Demonstrated passion for and experience in the mobile energy or automotive space.