Location
London headquarters, with periodic assignments to emerging UK sites, local and global suppliers, and international locations as the company expands.

Hours
Full Time

Salary
Competitive, commensurate with experience

About the Role
Join Mission Zero Technologies, a London-based climate tech startup pioneering direct air capture (DAC) technology to recover historic CO₂ emissions from the atmosphere. As a Senior R&D Engineer, you will play a key role in transitioning the company from an innovative R&D startup to a global player scaling DAC technology. Reporting to the R&D lead, you will guide the ideation, design, development, and implementation of separations technologies critical to our DAC solutions. You will collaborate closely with scientists, engineers, operators, and technicians across R&D, Engineering-to-Operations, and the wider product team. Your expertise will span a broad range of separation technologies, supporting their development from lab scale through pilot to commercial deployment.

You will contribute to innovation in separations by identifying and adapting novel technologies, focusing on ion management, gas/liquid separations, solvent longevity, solution separation and filtration, and water management. Key technologies include reverse osmosis, forward osmosis, nano/micro/ultrafiltration, membrane degassing, ion exchange, and other separation processes. You will analyze performance data from test stands, pilot operations, and plants to optimize system efficiency and scalability. Additionally, you will apply membrane science expertise to membrane analysis, characterization, and quantification, supporting technology selection and performance improvements. Staying abreast of advancements in separation technology, you will contribute to patents and scientific publications related to DAC applications.

Experience
- Master's or PhD in Chemical Engineering, Materials Science, or related field
- 3-5 years industry experience developing and implementing separation technologies
- Background in liquid processing industries such as water treatment, waste management, or product separations
- Strong knowledge of membrane science including analysis, characterization, and quantification
- Experience supporting projects from proof-of-concept to pilot or commercial scale
- Proven problem-solving skills on complex projects in uncertain environments
- Effective communication skills for technical presentations and collaboration with external partners
- Ability to work cross-functionally and align outcomes with organizational goals
- Adaptability to fast-paced, dynamic environments with potential for leadership growth
- Ability to navigate ambiguous technical challenges

About You
- Passionate about climate tech and carbon removal
- Collaborative and proactive team player
- Comfortable working across disciplines and with diverse stakeholders
- Motivated by innovation and scaling impactful technologies

Qualifications
- Ideally exposure to carbon capture or clean energy sectors
- Hands-on experience with separation technologies beyond membranes, such as chemical absorption and electrochemistry
- Record of patents or peer-reviewed publications in separation technologies
- Proficiency in process modelling, simulation, and techno-economic analysis
- Established network of industry contacts and experience managing research partnerships or securing funding