<div><span style="font-size:15px;">Sublime is advancing a breakthrough, clean, efficient, low-waste process for manufacturing cement, the essential ingredient in the most-consumed human-made material on Earth: concrete. Replacing 200-year-old manufacturing methods that are reliant on kilns running hotter than lava, our near-ambient-temperature, electrochemical technology manufactures industry-accepted cement and critical minerals. We’re partnering with leading general contractors, concrete producers, developers, and technology hyperscalers to deploy our clean, durable, beautiful Sublime Cement® in infrastructure that is defining the future of clean construction. Backed by some of the world’s largest cement producers, leading private investors, and the U.S. Department of Energy, we are assembling a talented, collaborative team that is "amped about cement" (pun intended) and committed to operating on the frontiers of material science, manufacturing, industry, construction, and commercial partnerships, to advance cement innovation that will endure for the next millennium.</span></div><div><br></div><div><b style="font-size:18px;">Position Overview </b></div><div><br></div><div><span style="font-size:11pt;">Sublime Systems seeks a creative and dynamic R&amp;D Co-op or Intern to contribute to the development of our next-generation cement. The co-op or intern will be responsible for conducting research including hands-on lab-scale testing, data analysis, and literature reviews. As a member of Sublime Systems’ R&amp;D team, the R&amp;D co-op or intern will work closely with the company’s experienced researchers and will receive extensive mentorship. </span><span style="font-size:15px;">This is an exciting opportunity to be on the frontier of transforming how the world makes cement.</span></div><div><span style="font-size:11pt;"> </span></div><div><span style="font-size:11pt;">The role will focus on the development and testing of Sublime Systems’ decarbonized cement. This role is expected to be hands-on, with a significant amount of time spent engaging in lab testing. The ideal candidate will have experience working in a laboratory, and is results-driven, detail-oriented, organized, and able to thrive in a fast-paced environment. </span></div><div><br></div><div><span style="font-size:11pt;">This is a paid full time (40 hr/wk) in person position located in Somerville, MA. </span></div><br><br><h3>Responsibilities include:</h3><ul><li>Performing experiments in the laboratory including preparing and testing samples of Sublime Cement and cementitious materials </li><li>Measuring cement material properties such as heat release, compressive strength, setting time, and flow characteristics in Sublime Systems’ laboratory </li><li>Milling Sublime products in R&amp;D ball mill to measure the effectiveness of additives and milling parameters on performance </li><li>Analyzing data, interpreting results, and presenting findings to Sublime’s team </li><li>Contributing to the development of Sublime’s process through literature reviews  </li><li>Championing safety, especially in the development and execution of experimental processes </li><li>Fostering Sublime Systems’ reputation by delivering innovative solutions </li><li>Helping to develop a supportive, innovative, and dynamic company culture  </li></ul><h3>Knowledge and Skill Requirements:</h3><ul><li>Pursuing a B.S. in civil engineering, mechanical engineering, materials science or engineering, chemical engineering, materials chemistry, or a related field. </li><li>Strong knowledge of materials science fundamentals, including basic materials chemistry and mechanics of materials concepts. </li><li>Able to perform lab work including preparing cement material test specimens, setting up and operating testing equipment, and recording results. </li><li>Able to lift objects up to 50 lbs.  </li><li>Familiarity with physical and chemical characterization techniques such as compression testing, SEM, XRD, XRF, BET, and ICP is a plus.  </li><li>Strong presentation and communication skills, both written and verbal. </li><li>Strong interpersonal skills including the ability to listen, distill information, consult, and suggest new approaches. </li><li>Ability to pay close attention to detail, focusing on accuracy and quality, without losing sight of the bigger picture. </li><li>Balance, perspective, and a good sense of humor. </li></ul><br><div><b>Sublime Systems is proud to be an Equal Opportunity Employer</b></div><div>All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.</div><div><br></div><div><b>Your Right to Work</b></div><div>In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.</div><div><br></div><div><b>Notice of E-Verify</b></div><div>Sublime Systems use E-Verify to confirm the identity and employment eligibility of all new hires.</div>

<div>Sublime Systems is a technology company commercializing affordable, ultra low-carbon cement that can be used in virtually any application under existing standards. Sublime's breakthrough process replaces the industry's legacy fossil fuel-fired kilns with an electrochemical system that operates at ambient temperature and eliminates the use of fossil fuel and limestone, resulting in a zero-carbon, low-embodied energy cement. This technology has the potential to drive gigaton-scale reductions in an industry responsible for 8 percent of global emissions. Sublime is backed by mission-aligned investors, including The Engine, Prime Impact Fund, Energy Impact Partners, and Lowercarbon Capital. We are building a diverse and collaborative team of folks who are "amped about cement" (pun intended), who share our values of excellence, creativity, and teamwork, and our motivation to create a better world.&nbsp;</div>
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Product Chemistry R&D Co-op

<div><span>Sublime is advancing a breakthrough, clean, efficient, low-waste process for manufacturing cement, the essential ingredient in the most-consumed human-made material on Earth: concrete. Replacing 200-year-old manufacturing methods that are reliant on kilns running hotter than lava, our near-ambient-temperature, electrochemical technology manufactures industry-accepted cement and critical minerals. We’re partnering with leading general contractors, concrete producers, developers, and technology hyperscalers to deploy our clean, durable, beautiful Sublime Cement® in infrastructure that is defining the future of clean construction. Backed by some of the world’s largest cement producers, leading private investors, and the U.S. Department of Energy, we are assembling a talented, collaborative team that is "amped about cement" (pun intended) and committed to operating on the frontiers of material science, manufacturing, industry, construction, and commercial partnerships, to advance cement innovation that will endure for the next millennium.</span></div><div><br></div><div><b>Position Overview </b></div><div><br></div><div><span>Sublime Systems seeks a creative and dynamic R&amp;D Co-op or Intern to contribute to the development of our next-generation cement. The co-op or intern will be responsible for conducting research including hands-on lab-scale testing, data analysis, and literature reviews. As a member of Sublime Systems’ R&amp;D team, the R&amp;D co-op or intern will work closely with the company’s experienced researchers and will receive extensive mentorship. </span><span>This is an exciting opportunity to be on the frontier of transforming how the world makes cement.</span></div><div><span>&nbsp;</span></div><div><span>The role will focus on the development and testing of Sublime Systems’ decarbonized cement. This role is expected to be hands-on, with a significant amount of time spent engaging in lab testing. The ideal candidate will have experience working in a laboratory, and is results-driven, detail-oriented, organized, and able to thrive in a fast-paced environment.&nbsp;</span></div><div><br></div><div><span>This is a paid full time (40 hr/wk) in person position located in Somerville, MA.&nbsp;</span></div><br><br><h3>Responsibilities include:</h3><ul><li>Performing experiments in the laboratory including preparing and testing samples of Sublime Cement and cementitious materials&nbsp;</li><li>Measuring cement material properties such as heat release, compressive strength, setting time, and flow characteristics in Sublime Systems’ laboratory&nbsp;</li><li>Milling Sublime products in R&amp;D ball mill to measure the effectiveness of additives and milling parameters on performance&nbsp;</li><li>Analyzing data, interpreting results, and presenting findings to Sublime’s team&nbsp;</li><li>Contributing to the development of Sublime’s process through literature reviews&nbsp;&nbsp;</li><li>Championing safety, especially in the development and execution of experimental processes&nbsp;</li><li>Fostering Sublime Systems’ reputation by delivering innovative solutions&nbsp;</li><li>Helping to develop a supportive, innovative, and dynamic company culture&nbsp;&nbsp;</li></ul><h3>Knowledge and Skill Requirements:</h3><ul><li>Pursuing a B.S. in civil engineering, mechanical engineering, materials science or engineering, chemical engineering, materials chemistry, or a related field.&nbsp;</li><li>Strong knowledge of materials science fundamentals, including basic materials chemistry and mechanics of materials concepts.&nbsp;</li><li>Able to perform lab work including preparing cement material test specimens, setting up and operating testing equipment, and recording results.&nbsp;</li><li>Able to lift objects up to 50 lbs.&nbsp;&nbsp;</li><li>Familiarity with physical and chemical characterization techniques such as compression testing, SEM, XRD, XRF, BET, and ICP is a plus.&nbsp;&nbsp;</li><li>Strong presentation and communication skills, both written and verbal.&nbsp;</li><li>Strong interpersonal skills including the ability to listen, distill information, consult, and suggest new approaches.&nbsp;</li><li>Ability to pay close attention to detail, focusing on accuracy and quality, without losing sight of the bigger picture.&nbsp;</li><li>Balance, perspective, and a good sense of humor.&nbsp;</li></ul><br><div><b>Sublime Systems is proud to be an Equal Opportunity Employer</b></div><div>All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status, or any other characteristic protected by law.</div><div><br></div><div><b>Your Right to Work</b></div><div>In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.</div><div><br></div><div><b>Notice of E-Verify</b></div><div>Sublime Systems use E-Verify to confirm the identity and employment eligibility of all new hires.</div>

Product Chemistry R&D Co-op

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Sublime Systems

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