Materials Engineer

Role Title Location: Mountain View, CA Compensation: $180–260k depending on experience, plus meaningful early-employee equity. About Atum Works We are building the world's first scalable 3D lithography foundry: technology that could fundamentally change how advanced computing systems are built and the material basis of our world. The world is changed by small groups of unusually capable people working on an ambitious problem together. We are looking for the next core team member that will redefine advanced packaging and shape the trajectory of Atum Works. Position Summary As a Material Scientist / Process Engineer, you will work directly with the founders and engineering team to develop the metals, alloys, and process stacks that underpin Atum’s technology. This is a highly hands‑on, mission‑critical role. You are defining how materials behave, fail, and scale in our system. Much of this role is navigating a large design space of materials and processes and rapidly converging on what works. Your work will directly impact conductivity, strength, reliability, and lifetime. You are here to increase learning rate and converge on scalable solutions. As the company enters its next phase, you will help transition processes from early R&D into manufacturing. This role is scoped flexibly and may be leveled from senior individual contributor to Director or VP depending on experience and scope. Regardless of level, this is a highly hands‑on role focused on building, experimenting, and driving materials decisions directly. Qualifications This role is best suited for someone who can move quickly from first principles to practical insight. Strong background in Thin Film Mechanics, Metallurgy, Material Science, and Chemistry or related fields. Deep experience with metals, alloys, and microstructure, including grain boundaries, diffusion, and intermetallic behavior. Strong intuition and ability to reason from first principles before relying on simulation or experimentation. Ability to build predictive, first‑principles models for physical systems. Experience with deposition processes, ideally high‑aspect‑ratio and conformal methods. Experience designing and executing experiments, including successful DOE execution under resource limitations. Comfort working across modeling, experiment, and process development. Deep understanding of characterization working principles and limitations. High ownership and ability to operate independently. Preferred Experience in setting up massive automation from scratch, with proven ability to increase learning rate and speed (e.g., 10x faster) with documented metrics. Strong foundations in probability and statistics, and the underlying assumptions of applicable models. Experience with reliability, lifetime engineering, and verification. Experience in semiconductors, packaging, MEMS, or advanced manufacturing. Experience working on interconnects, substrates, or similar systems. Experience transitioning processes from R&D to manufacturing. Familiarity with multi‑physics modeling or simulation approaches. Experience working across industry and academia. Track record of IP papers, patents, publications, or impactful technical contributions. Benefits Medical, dental, vision, and 401k Equal Opportunity Employer We are proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Qualified applicants will receive consideration for employment regardless of any protected characteristic under applicable federal, state, or local laws. #J-18808-Ljbffr