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Systems Delivery Lead (Mechanical Process Engineer)

Ammobia
San Francisco, CA Full Time
POSTED ON 1/13/2026
AVAILABLE BEFORE 3/13/2026
About AmmobiaAmmobia is on a mission to revolutionize the ammonia industry. We are a seed-stage startup developing Haber Bosch 2.0 – a next-generation ammonia synthesis process enabling cost-effective, clean ammonia production. Clean ammonia will support ammonia’s growing role in our decarbonized world, tackling some of the most difficult to abate sectors including chemicals, fertilizers, and heavy-duty transportation. We are supported by leading climate tech organizations including Starlight Ventures, the Department of Energy, Collaborative Fund, Third Derivative, and more.Job DescriptionAmmobia is seeking a build-anything engineer to lead our Systems Delivery function. You will be responsible for the design and development of hardware systems to test and demonstrate Ammobia’s proprietary reaction and separation processes. You and your team will deliver custom equipment to Ammobia’s R&D and Process teams and therefore work with the full technical team of chemical, process, and materials engineers.Who you areYou are a hands on, build-focused, engineer with deep industrial expertise designing and delivering complex gas processing systems. You come from aerospace, chemicals, or energy, and you build systems beginning with first-principles understanding. You enjoy working closely with scientists and engineers across the company to develop and deliver on functional requirements . You enjoy fast paced, creative, and collaborative work; you work with a bias towards action and overcommunication; and you thrive with high levels of autonomy and ownership.  There is significant opportunity to grow your role alongside the company. Responsibilities may include:Successful applicants will have most of the following qualifications.ResponsibilitiesOwn hardware design and delivery for Ammobia's pilot reactor and process systemsLead a team of 1-5 engineers and technicians Work closely with R&D and process teams to generate hardware system requirements and success criteriaWork with external fabricators and suppliers to design and procure custom equipment including pressure vessels, structural supports, flow and pressure controllersBuild, integrate, shakedown, commission, and handoff process systems to R&D and process teamsAfter successful pilot, translate designs to larger-scale system deployments with system fabricators and EPCsMaintain high uptime and safe operations across systemsBuild and maintain P&IDs, BOMs, 3D models, and similarContinuously upgrade, maintain, and build new bench scale systems to support R&DTrain technicians and engineers to operate the systems you designQualifications5 years industrial experience in gas processing for chemical, energy, aerospace, or similar fieldHands on experience designing building research and pilot scale gas processing equipment, including ownership of and blank-sheet design of P&IDs, models, BOMsExperience leading design and build activities on small teamsHands on experience commissioning and troubleshooting complex hardware systemsExperience leading system safety reviews for gas handling equipment, including HAZOP, PHA, or similarDemonstrated experience working with fabricators and vendors firms to design and procure custom hardwareWorking knowledge of electrical and control system design (PLC programming experience big plus)Working knowledge of Python and/or MATLAB, especially for time series data analysisDemonstrated experience designing tests/experiments on pilot scale chemical process systemsDeep expertise in thermodynamics, fluid mechanics, and heat transferHands on experience building gas handling hardware, such as with swagelok tubing, mass flow controllers, heaters, pressure vessels, etcBS (MS preferred) in mechanical engineering or similarPrior startup experienceNice-to-haveExpertise in catalysis and reaction engineering, gas separationsExpertise in unit operation modeling or similarExpertise in PLC programming expertiseDemonstrated expertise in data analysis of time series processesBenefits include:Competitive equity grants100% of premiums paid for healthcare, dental, vision, life insurance401kGym benefitRegular team social eventsPaid time off, including closure between Christmas and New YearsWho we areWe are a small and passionate team of scientists and engineers. We value teamwork, accountability, open communication, and rapid iteration. We emphasize career growth, mutual feedback, and a fun and exciting working environment. Check out ammobia.co/careers for our full values statement and ammobia.co/team to learn more about us.The position is full-time and in-person in San Francisco, CA. Compensation and job title will be commensurate with experience. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Salary : $121,900 - $158,500

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