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Posted June 23, 2026

Director level Scientist / Engineer – Thermal Mechanical Systems

Chicago, IL, USA Full Time
Compensation: $100,000 to $150,000 Annually

About Us:

Captis Materials is an innovative start-up at the forefront of advanced materials development. We specialize in creating cutting-edge energy materials using advanced materials. Our mission is to revolutionize the energy and materials sectors with sustainable, high-performance solutions.

We are actively developing and deploying prototype devices in pilot projects with commercial partners. We expect the success of these pilot projects to lead to near-term commercialization activities.

Job Overview:

We are seeking a highly skilled and creative Senior-level Engineer for our development of solid state power generation devices. The ideal candidate will have 5-10 years of experience – inclusive of PhD research, post-doctoral positions, and industry roles – with a focus on mechanical thermal systems, thermal interface design, thermal fluid interfaces, or similar applications. As a Director/Sr. Manager Engineer you will lead the design and integration of our first generation of devices, drive innovation, oversee the development of device prototypes utilizing novel materials, and ensure the successful execution of our product development strategies.

This person will be expected to show leadership and resilience in developing new products. This person will reach performance measures for evaluating the efficiency and effectiveness of our products as they continue to evolve.

Key Responsibilities:

  • Work collaboratively in a team with scientists and engineers in the development of advanced electronic devices.
  • Engage in the recruitment, interview, hiring, and on-boarding of exceptional individuals to expand your team’s capacity, capabilities, and diversity.
  • Actively contribute to innovation pipeline, from ideation to commercialization, ensuring alignment with the company's strategic goals.
  • Oversee and manage product development projects, including planning, execution, and budget management.
  • Collaborate with cross-functional teams, including R&D, engineering, and marketing, to bring new­­ materials to market.
  • Stay abreast of the latest advancements in thermal systems and advanced materials development to maintain the company's competitive edge.
  • Establish and maintain relationships with external research institutions, universities, and industry partners.
  • Foster a safe environment that encourages enthusiastic dialog and enforces accountability within the team.
  • Ensure compliance with relevant industry standards, regulations, and best practices.
  • Bachelors, Masters, or PhD in Mechanical engineering, Materials Science, Physics, or a related field.
  • 5-10 years of experience in R&D for thermal mechanical products, with a focus on heat transfer fluids, thermal interface engineering, thermal energy systems, energy storage, fuel cells, solid state power generation, or related areas.
  • Proven track record of successfully leading R&D or engineering teams and managing complex projects.
  • Strong expertise in developing prototyping physical products and testing them in a variety of operating environment.
  • Excellent problem-solving skills and the ability to think strategically.
  • Strong leadership and communication skills, with the ability to inspire and motivate a team.
  • Experience in working with start-ups or fast-paced, dynamic environments is a plus.
  • A mature, experienced, resilient scientist who has successfully developed electrochemical applications from early research up to commercial production.
  • Organized with the ability to set priorities and deliver on them most of the time.
  • A strong personal leader who manages empathy with managing expectations.
  • A strong technical communicator that can educate non-technical audiences to understand challenging, complex topics.
  • Details oriented without losing sight of the big picture.
  • A team builder who helps mediate conflicting opinions and objectives among colleagues.
  • Competitive salary and equity options.
  • Opportunity to work on groundbreaking technologies with a talented and passionate team.
  • Collaborative and innovative work environment.
  • Comprehensive benefits package, including health insurance, retirement plans, and more.

Qualifications:

  • Bachelors, Masters, or PhD in Mechanical Engineering, Physics, Materials Science, Electrical Engineering, or a related field.
  • 5-10 years of experience in R&D for thermal mechanical products, with a focus on heat transfer fluids, thermal interface engineering, thermal energy systems, energy storage, fuel cells, solid state power generation, or related areas.
  • Proven track record of successfully leading R&D or product engineering teams and managing complex projects.
  • Strong expertise in developing and testing physical prototyping
  • In-depth knowledge of heat transfer, thermal analysis, and heat conversion efficiency
  • Excellent problem-solving skills and the ability to think strategically.
  • Strong leadership and communication skills, with the ability to inspire and motivate a team.
  • Experience in working with start-ups or fast-paced, dynamic environments is a plus.

Who You Are

  • A mature, experienced, resilient scientist who has successfully developed energy applications from early research up to commercial production.
  • Organized with the ability to set priorities and deliver on them most of the time.
  • A strong personal leader who manages empathy with managing expectations.
  • A strong technical communicator that can educate non-technical audiences to understand challenging, complex topics.
  • Details oriented without losing sight of the big picture.
  • A team builder who helps mediate conflicting opinions and objectives among colleagues.


What We Offer:

  • Competitive salary and equity options.
  • Opportunity to work on groundbreaking technologies with a talented and passionate team.
  • Collaborative and innovative work environment.
  • Comprehensive benefits package, including health insurance, retirement plans, and more.


Additional Application Instructions

Interested candidates are invited to submit their resume and a cover letter outlining their qualifications and experience to [email protected]. Please include "Director level Scientist / Engineer – Thermal Mechanical Systems " in the subject line. We review and respond to each submission. We encourage anyone with related experience to reach out to us, even if they don't fit each of the requirements noted above.

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