Senior Lithium Process Engineer

Lyten, Inc.; San Jose, Northern (CA, KY); Hybrid; USD 128,000 - 192,000; Full time

Benefits offered by this job

Bonus & equity

Healthcare

Dental

Vision

401K

Relocation assistance

Job summary

Lyten, Inc. seeks a Senior Lithium Process Engineer to own and optimize lithium foil manufacturing from lab to production. You will run extrusion and rolling mill operations on a Roll-to-Roll system, controlling pressure, temperature, and speed to meet specs.

The ideal candidate has a strong background in R2R processes, metal extrusion, and handling alkali metals, with proven DOE/SPC experience and excellent documentation skills.

Qualifications

• Master's degree with 3+ years in related field, or Bachelor's with 5+ years in Materials Science/Engineering.
• Solid understanding of Roll-to-Roll manufacturing processes.
• Hands-on experience operating or troubleshooting metal extrusion and/or rolling mill equipment.
• Experience handling reactive, air-sensitive, or hazardous materials in a manufacturing setting.
• Experience handling alkali metals (Lithium/Sodium).
• Working knowledge of DOE, SPC, and process capability analysis.
• Strong root cause analysis and problem-solving skills.
• Excellent documentation skills (SOPs, work instructions, process specs).
• Ability to work cross-functionally in a fast-paced environment.

Responsibilities

• Own development and optimization of Lithium foil manufacturing processes, from lab to full production scale.
• Lead DOE and SPC efforts to improve extrusion and rolling mill consistency and yield.
• Operate extruder and rolling mill to extrude lithium into strips and mill to thin foils on a Roll-to-Roll system.
• Control hydraulic pressure, die temperatures, and extrusion speed to hit target specs.
• Troubleshoot extrusion defects and rolling defects; drive yield improvements.
• Lead root cause analysis and implement corrective actions across the line.

Skills

R2R manufacturing

extrusion & rolling mill

DOE & SPC

hazardous materials handling

root cause analysis

SOPs & process docs

cross-functional collaboration

Education

Master's degree in Engineering

Bachelor's degree in Electrical/Mechanical/Chemical Engineering

Tools

Roll-to-Roll equipment

Metal extrusion equipment

PLC/automation controls

Job description

Lyten is leading an industrial revolution through Lyten 3D GrapheneTM, a breakthrough supermaterial unlocking a new generation of products — from lithium–sulfur batteries and energy storage systems to concrete admixtures, lightweight composites, and next-generation sensors that are revolutionizing industries. Together, these innovations are making a massive global improvement and driving real-world impact across energy, mobility, construction, and defense.At Lyten, we believe the most meaningful careers begin with purpose — and with people who want to make a difference. We’re not just developing advanced supermaterials — we’re about to change the world as we know it, reshaping how energy is stored, how products are built, and how progress is made.We’re entering an exciting growth phase, scaling production across the U.S. and Europe and expanding our team of engineers, scientists, and innovators.Apply now to join our team and be part of something bigger than yourself — where collaboration, creativity, and purpose come together to build the technologies that will define the next century.**Senior Lithium Process Engineer****Key Responsibilities*** Own development and optimization of Lithium foil manufacturing processes, from lab to full production scale.* Lead DOE and SPC efforts to improve extrusion and rolling mill consistency and yield.* Operate extruder and rolling mill by extruding bulk lithium into strips to precision milling them into thin foils on a Roll-to-Roll (R2R) system.* Control hydraulic pressure, barrel/die temperature zones, and extrusion speed to hit target spec.* Troubleshoot extrusion defects — surface tearing, dimensional drift, inconsistent feed rate.* Control Rolling mill roller gap, force, speed, and tension through the line to hit production quality targets.* Manage roll conditions to prevent sticking, tearing, or edge cracking of lithium.* Troubleshoot rolling defects — thickness variation, pinholes, wrinkling, edge cracks, surface scoring.* Set up inspection methods and control limits for thickness and edge quality.* Lead root cause analysis and troubleshooting for defects and yield losses across the line.* Select and validate process equipment and work with vendors.* Write and maintain SOPs and process specs and roll out PFMEA. **Required Qualifications*** Master's degree with 3+ years of relevant experience OR bachelor’s degree in electrical, Mechanical, Chemical Engineering, or related field AND 5+ years of relevant experience in Materials Science, Chemical Engineering, Chemistry, or a related field.* Solid understanding of R2R manufacturing processes* Hands-on experience operating or troubleshooting metal extrusion and/or rolling mill equipment.* Experience handling reactive, air-sensitive, or hazardous materials in a manufacturing setting.* Experience handling alkali metals (Lithium/Sodium)* Working knowledge of DOE, SPC, and process capability analysis* Strong root cause analysis and problem-solving skills* Excellent documentation skills (SOPs, work instructions, process specs)* Ability to work cross-functionally in a fast-paced environment **Preferred Qualifications*** Direct hands-on experience operating or troubleshooting metal extrusion and/or rolling mill equipment on lithium or other alkali/soft metals.* Knowledge of hydraulics and high-pressure systems* Experience leading technology transfer from pilot line to high-volume production* Familiarity with PLC/automation controls for extrusion or rolling equipment**Physical Requirements*** Must be able to lift 50 lbs.**Compensations Range:**The expected base salary range for this position is between$128,200.00 - $192,400.00The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise.**Disclosures:****Pay Transparency Disclosure:**This compensation and benefits information is based on Lyten’s estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.In addition to base pay this position is eligible for tier based bonus and equity, healthcare, dental, vision, corporate discounts, paid holidays, PTO and sick time, 401K, employee relocation plan (if applicable)**Export/ITAR Compliance Disclosure:**Certain positions within Lyten, Inc. require compliance with export control laws and, as a result, all interviewed candidates will be screened pre-interview to determine their eligibility in light of export restrictions.This position requires access to technology, software and other information that is subject to governmental access control restrictions, due to export controls. Employment in this position is conditioned on the continued availability of government authorization to authorize release of such items, to the extent required, including without limitation an export license, or other documentation required to establish authorization to receive access to such items. Company may delay commencement of employment, rescind an offer of employment, terminate employment, and/or may modify job responsibilities, compensation, benefits, and/or access to Company facilities and information systems, as Company deems appropriate, in order to ensure compliance with applicable government access control restrictions.**Lyten is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, age, status as a protected veteran, or status as a qualified individual with a disability. EEO Employer/Vet/Disabled.**