Posted on:March 9, 2026

Research Engineer - Plasma Equipment at Princeton NuEnergy

Princeton NuEnergy is hiring a Research Engineer - Plasma Equipment in Monmouth Junction, NJ, US. On-site. Pay: USD 80k/yr.

About Princeton NuEnergy

Princeton NuEnergy is a lithium-ion battery direct recycling and critical materials recovery company, founded out of Princeton University. Its patented low-temperature plasma-assisted separation (LPAS) technology reclaims and repairs cathode material from spent lithium-ion batteries and manufacturing scrap at lower cost and with reduced environmental impact compared with traditional recycling. The company produces battery-grade cathode active material and Advanced Black Mass, and its work is aimed at domestic U.S. production of critical battery materials for energy storage, AI infrastructure, and electrification.

Research Engineer - Plasma Equipment job description

Princeton NuEnergy (PNE) is an advanced materials manufacturing and technology company, with the most cost-effective and capital-efficient process for the production of battery-grade cathode active material (CAM) for lithium-ion batteries. Built on a proprietary, closed-loop platform, PNE's high-performing technologies span multiple high-growth materials businesses, including Rejuvenation (Cathode-to-Cathode® direct recycling), Advanced Black Mass™ production, Upcycled® CAM and more — strengthening the domestic battery supply chain and supporting U.S. energy independence and national security priorities.


We are seeking an accomplished and self-motivated Research Engineer - Plasma Equipment to join our R&D team. The successful candidate will work closely with the scientific and technical team on the design and operations of our next-generation plasma experiments for materials processing. This role will take primary responsibility for conducting plasma experiments and requires advanced knowledge of plasma physics, a strong problem-solving mindset, and a collaborative approach to overcoming technical challenges. 


WHAT WILL YOU BE WORKING ON

  • Design and prepare experimental test plans and procedures on the PNE plasma devices under the direct supervision of the Principal Investigator (PI), ensuring alignment with R&D project objectives
  • Operate plasma devices and systems to carry out experimental campaigns
  • Develop and validate technical specifications to meet project requirements
  • Collect, organize, and analyze experimental data and results to guide engineering upgrades, access the strengths and weaknesses of various technical solutions, and troubleshoot challenges in plasma performance
  • Develop and update operating procedures and safety plans as required by experimental protocols
  • Prepare and present research findings through written reports, briefings, and progress reports for PI
  • Write periodic progress reports to document experimental milestones and insights
  • Maintain an up-to-date understanding of relevant technical literature and advancements in plasma physics and related fields
  • Perform other duties as assigned, actively contributing to the success of the R&D team


OUR IDEAL CANDIDATE IS SOMEONE WITH 

  • Ph.D. in plasma physics or a related field, or a Master’s degree with 2+ years of relevant experience
  • Hands-on research experience with plasma physics experiments and equipment diagnostics
  • Familiar to plasma systems as well as compliance and safety protocols
  • Advanced written and verbal communication skills, with the ability to work collaboratively, explain complex technical information clearly, and provide insights to PI
  • Proficiency with data analysis software and statistical methods
  • Exceptional analytical and problem-solving skills, with strong attention to detail and the ability to work both independently and as part of a dynamic team


Physical Requirements

  • This is an on-site position in Monmouth Junction, NJ
  • Able to work in the lab environment and wear personal protective equipment, including lab coat, safety goggles, gloves, and/or mask, and respirator as required
  • Able to lift & carry 25 pounds
  • Prolonged periods of standing and walking
  • Has visual inspection capability to assess lab equipment


A Note to Recruiting Agencies

Thank you for your interest in working with Princeton NuEnergy. To ensure a consistent and efficient recruiting process, we kindly ask that third-party recruiters and staffing agencies do not submit unsolicited resumes. Candidate submissions made without prior authorization from PNE Human Resources or a signed recruiting agreement will not be eligible for placement fees. Should we require external recruiting support, we will contact agencies directly. Thank you for your understanding.


Princeton NuEnergy, Inc. is an Equal Opportunity Employer 

All qualified applicants will receive consideration for employment without regard to race, color, gender, sexual orientation, gender identity or expression, religion, national origin, marital status, age, disability, veteran status, genetic information, or any other protected status under federal, state, and local laws. 

Apply now

Applications go straight to Princeton NuEnergy. We never sit between you and the employer.

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