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Osmoses logoOsmoses

Senior Chemist

Cambridge, Massachusetts, United States · On-site

Mid level$15M raised

Senior Chemist About Osmoses Osmoses Inc. is a technology company revolutionizing the way industrial separations are performed today! Industrial separation processes account for 15% of the world’s energy consumption and …

Skills: Polymer Chemistry, Organic Synthesis, Process Scale Up, Chromatography, Air-Free Synthesis

Osmoses logo

Senior Chemist

Osmoses

Cambridge, Massachusetts, United States • On-site

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Mid level

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  • Full-time
  • postgraduate degree
  • Competitive Salary, Equity Packages
  • Posted 34d ago
  • ~40 hrs/week

Responsibilities

Lead the scale-up and optimization of polymer materials for membrane gas separations from concept to commercial product. Collaborate with internal teams and external contract manufacturing organizations to ensure the delivery of qualified materials.

Requirements

Requires a PhD in synthetic chemistry, polymer science, or a related field with at least 2 years of industrial experience. Proficiency in synthetic organic chemistry techniques and experience coordinating with external contractors are essential.

Full job description

Senior Chemist

About Osmoses

Osmoses Inc. is a technology company revolutionizing the way industrial separations are performed today! Industrial separation processes account for 15% of the world’s energy consumption and are responsible for 16% of CO2 emissions because we rely on energy-intensive technology. Changing this is one of the biggest opportunities to enable the energy transition.

We bring together a diverse and dynamic group of scientists, engineers, business professionals, and operators to develop and commercialize cutting-edge membrane technology that can reduce the impact of gas separations on the environment while increasing the economic incentive for our customers. Our groundbreaking separation solutions have the power to disrupt multi-billion dollar markets worldwide, reducing industrial energy consumption and accelerate the adoption of alternative energy sources with lower environmental impact.

Join us! Together, we can create a future where cleaner and more sustainable industrial processes become the norm.

Position Overview

Osmoses Inc. is looking for a Senior Chemist with a strong background in polymer chemistry, organic synthesis, and process scale up. As a member of our Product team, you will lead our scale-up efforts and contribute to the development of breakthrough chemistry published in Science Magazine from concept to commercial skidded product. The role will involve optimization and scale up of chemical reactions, cost optimization of our polymer production process, and collaboration with contract manufacturing organizations to ensure on-time and delivery of qualified polymer materials needed for internal membrane development and manufacturing. The Senior Chemist will collaborate with the technology, engineering, and business teams to launch products from Osmoses. The top candidate will also have the ability to communicate their technical ideas in a clear manner.

What you’ll be doing

  • Develop and optimize the synthesis of polymer materials.

  • Collaborate with the membrane team to develop polymer materials for membrane gas separations.

  • Collaborate with the membrane team to develop the criteria to qualify polymer materials for membrane development and manufacturing.

  • Collaborate with the membrane team to troubleshoot any issues in polymer development and manufacturing that may be associated with polymer quality.

  • Collaborate with CMOs to ensure consistent supply of qualified polymer materials needed for internal membrane development and manufacturing.

  • Develop cost estimates for polymer candidates using internal models and by working with CMOs.

  • Provide regular updates internally on the status polymer scale up, including estimated costs and projected timelines, through written communication and presentations.

  • Mentor research associates on the chemistry team.

What we’re looking for

  • PhD in synthetic chemistry, polymer science, or a related field or equivalent experience.

  • 2+ years of industrial experience working as a synthetic chemist in addition to the above.

  • High level proficiency in synthetic organic chemistry techniques such as chromatography, air-free synthesis, and reaction analysis.

  • Experience in coordinating internal research efforts with external contract work.

  • Proficiency with Chemdraw, Microsoft Office software, Google suites,and other relevant software.

What we can offer you

  • Opportunity to contribute to addressing one of the biggest industrial decarbonization and energy efficiency challenges of this century.

  • Work in the heart of the most innovative square mile in the world and the most exciting hub for clean tech.

  • High leadership and growth potential joining our company at a critical stage with strong momentum backed by leading venture capital firms.

  • Access to competitive salary and equity packages.

Qualities we’re looking for

  • Collaborative Team Player -You thrive in a team environment, actively seek diverse perspectives, and leverage collective strengths to find the best solutions.

  • Accountable & Transparent - You’re highly organized, communicate progress openly, and proactively adjust plans when challenges arise—always with a collaborative mindset.

  • Clear & Impactful Communicator - You excel at both written and verbal communication, presenting research-backed, data-informed ideas to internal teams and external partners with clarity and confidence.

  • Agile & Adaptable - Comfortable in a fast-paced startup environment, you’re quick to learn, willing to pivot, and ready to build expertise in new domains to support business needs.

  • Safety-First Mindset - You prioritize the safety and well-being of yourself and your team in every aspect of your work.

  • Technically Rigorous & Analytical - You bring strong problem-solving skills, sound reasoning, and a commitment to high technical standards.

  • Detail-Oriented & Self-Directed - You manage multiple priorities with accuracy and focus, working independently and collaboratively to drive results. You’re self-motivated and team-minded.

  • Resilient & Growth-Oriented - You approach challenges with optimism and determination, maintaining a solution-focused mindset and a hunger to grow, adapt, and succeed.

Our commitment
You belong at Osmoses!

Osmoses is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, or veteran status. All qualified applicants will receive consideration for employment without regard to these or any other characteristics protected by law.

If you're excited about making a positive impact on the environment and being part of an innovative team, we'd love to hear from you! Apply now and let's shape a greener future together!

Related keywords

Polymer ScienceSynthetic ChemistryMembrane TechnologyGas SeparationsDecarbonizationEnergy EfficiencyCMOScale-upOrganic SynthesisClean TechIndustrial SeparationsChromatographyChemdraw

About Osmoses

LinkedInVisit site

Transforming chemical separations

Industry
Chemical Manufacturing
Company size
11-50 employees
Founded
2021
Headquarters
Cambridge, Massachusetts
LinkedIn followers
3,295
Total funding
$15M

Osmoses is a membrane start-up aiming to transform industrial chemical separations with innovative molecular filters.

Offices: 750 Main St, Cambridge, Massachusetts 02139, US

GreenTechIndustrial
View all jobs at Osmoses

About Osmoses

LinkedInVisit site

Transforming chemical separations

Industry
Chemical Manufacturing
Company size
11-50 employees
Founded
2021
Headquarters
Cambridge, Massachusetts
LinkedIn followers
3,295
Total funding
$15M

Osmoses is a membrane start-up aiming to transform industrial chemical separations with innovative molecular filters.

Offices: 750 Main St, Cambridge, Massachusetts 02139, US

GreenTechIndustrial
View all jobs at Osmoses

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