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Senior Process Engineer, Assay Development Location: San Diego, CA Job Type: Full-Time Compensation: $131,000 - $140,000 About Us We are a venture-backed, stealth-stage biotechnology company based in San Diego, focused on developing novel technologies that will redefine how disease is detected, characterized, and managed with a novel approach to clinical genomics. Our mission is to fundamentally transform healthcare through a convergence of innovation across multiple scientific disciplines. Founded by industry veterans with decades of experience in life sciences tools and diagnostics, our leadership team brings a proven track record of translating scientific insight into successful commercial products. Our investors include some of the most respected names in healthcare and deep tech. Position Overview We are seeking a Senior Process Engineer to drive the development, automation, and productionalization of clinical next-generation sequencing (NGS) assays. This is a hands-on individual contributor role focused on translating bench-developed chemistry into robust, automated, audit-ready workflows that are ready for clinical lab deployment. The Senior Process Engineer will work in close partnership with assay development scientists, automation engineers, quality/regulatory specialists, and laboratory operations to design and qualify automated methods for library preparation, nucleic acid extraction, and sample quantitation and normalization. The role requires a builder’s mindset, comfort with ambiguity, and the discipline to apply rigorous engineering practices in an early-stage environment where the process roadmap is still being defined. Key Responsibilities • Develop, optimize, and qualify automated workflows for NGS library preparation.. • Partner with assay development scientists to transfer bench-developed chemistry onto automation platforms, identifying and resolving robustness, scaling, and operability issues. • Apply DOE, SPC, and other statistical tools to characterize process performance, define operating windows, and establish in-process and release specifications. • Contribute to reagent and consumable manufacturing and qualification activities, including QC method development and lot release strategy. • Execute equipment qualification activities (IQ/OQ/PQ) for automation and ancillary instrumentation in partnership with engineering and lab operations. • Support development and maintenance of process documentation, including process maps, equipment lists, and bills of materials, in alignment with design control expectations. • Participate in tech transfer of NGS assays to the clinical laboratory, supporting validation activities and resolving process issues that surface during scale-up and deployment. • Partner cross-functionally with chemistry, automation, software, quality, and lab operations to drive sustainable process improvements. Qualifications Required: • BS/MS in Chemical Engineering, Bioengineering, Biochemistry, Biotechnology, or a related field. • 6+ years of experience in process engineering or process development within clinical diagnostics, NGS, biotech, or other regulated laboratory environments. • Hands-on experience developing and optimizing automated laboratory workflows, including direct protocol development on liquid handling platforms. • Demonstrated experience supporting clinical or near-clinical NGS assays, including library preparation, nucleic acid extraction, methylation conversion, or sample QC workflows. • Prior experience supporting LDT and/or FDA-regulated IVD assay development. Working knowledge of design controls and regulated development frameworks (ISO 13485, IVD or LDT context), with experience operating in a quality-driven environment. • Practical fluency in data-driven process development methods — DOE, statistical process control, Gage R&R, root cause analysis. • Ability to operate independently across multiple workstr