Careers
PolyGone is hiring world-class engineers, scientists, designers, and thinkers to help build novel systems to put an end to microplastic pollution and shape the future of water treatment.
We believe the future can be radically better than the past. That a small group of passionate, talented people can change the world for the better. We are looking for kindred spirits: creative, curious, and committed individuals who want to build a generational company at the forefront of technology and design.
Open Positions
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PolyGone is hiring a full-time Mechanical Engineer to assist our company's ongoing industrial-scale pilot projects.
Full-Time Mechanical Engineer Description:
Application Deadline: 05/31/2025
Who are we:
PolyGone is transforming the $200B water treatment industry with the first scalable solution for microplastic pollution. There is an urgent need to remove microplastics that contaminate over 90% of drinking and wastewater sources, exposing billions of people to their toxic chemical additives. PolyGone has developed a patented filtration media that passively captures <1 mm microplastics from treatment effluents, reservoirs, and rivers, achieving a 98% lab removal efficiency. Within 2 years, we have launched the world’s first industrial microplastic treatment pilot, set to capture 580M+ microplastics annually. As a seed-stage venture-backed startup, we are scaling our proprietary system and deploying pilots across North America. We are now hiring a Mechanical Engineer to join our founding team and help us build a world-class company from the ground up.
What is the role?
We are seeking a Mechanical Engineer to enhance our filtration hardware and integration with various water channels. You are expected to start the role no later than July 1st, 2025.
Your Responsibilities:
Assist in procurement and coordinate the construction of filtration systems
Produce engineering drawings and technical schematics for fabrication
Optimize the mechanical design of filtration hardware, with attention to flow dynamics and capture efficiency
Design system integration strategies for a range of water channels (e.g., open-channel, pipe, and basin installations)
Conduct hardware performance testing under varying flow rates and contaminant loads to assess real-world efficacy
Communicate with fabricators and suppliers to align on procurement needs, tolerances, and design specifications
Design and build water circulation systems for filter testing
Hard Requirements:
A bachelor's degree in Mechanical or Aerospace Engineering is required, a Master’s or Ph.D degree is a plus
Prior work experience with design/engineering firms or research-track position, 1 recommendation letter required
Background or experience in fluid dynamics, with completed projects involving active water flow.
Working proficiency in 3D modelling software, especially Inventor.
Excellent communication skills, with English language speaking, writing, and presentation skills being a must.
Strong hands-on experience for assembly and troubleshooting
Work on-site in our lab in Princeton, NJ (car ownership highly recommended )
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We are seeking a full-time Shop Manager & Fabrication Lead to oversee the setup and daily operation of our new industrial assembly space. This role goes beyond managing an existing machine shop—it’s an opportunity to design, build, and run a state-of-the-art fabrication and assembly space for cutting-edge water treatment technology.
You’ll be responsible for sourcing equipment and materials, supervising technicians, managing production timelines, and ensuring high standards for quality and safety. You’ll also work closely with our engineering team to prototype, fabricate, and scale up new systems. This is an exciting opportunity to take ownership of a growing operation at the forefront of cleantech manufacturing.Application Deadline: 06/06/2025
Who are we:
PolyGone is transforming water treatment with the world’s first scalable, affordable solutions for aquatic microplastic removal. Since our founding in 2022, we’ve advanced from lab development to launching the first municipal pilot for microplastic capture, and are now scaling commercial deployment of our PolyPod and PolyCartridge systems. As we grow, we're building out a new assembly facility in Kearny, NJ—and we’re looking for a hands-on, driven Shop Manager to help bring this vision to life.
Key Responsibilities
Lead the setup and outfitting of the new machine and assembly shop
Oversee day-to-day operations, including fabrication, assembly, and QC
Collaborate with engineers to prototype and scale production of industrial water filtration units
Manage inventory of tools, hardware, and components
Recruit and supervise fabrication and assembly staff
Develop and maintain production schedules and workflow
Ensure compliance with safety standards and quality assurance protocols
Troubleshoot equipment and fabrication issues as needed
Qualifications
Experience in production planning and shop floor management
Proficiency in machining and metal fabrication
Strong skills in quality control and inspection
Familiarity with CAD software (Autodesk Inventor and/or Fusion 360 preferred)
Excellent organizational and communication skills
Ability to lead a small team and coordinate cross-functional work
Comfortable in a fast-paced, hands-on start-up environment
Bachelor’s degree in engineering, manufacturing, or a related field preferred
Previous experience in a manufacturing or machine shop environment required
Must be able to work on-site in Kearny, NJ