Joseph Demaria
Process Engineer | Manufacturing & Process Development | Scale-Up, Automation, Validation | Biotech, Semiconductor, EV Manufacturing
- Role
- Process Development Engineer Ii at Roche
- Location
- San Diego, CA, US
- LinkedIn followers
- 500 followers
About Joseph Demaria
Process Engineer with experience supporting process development, manufacturing scale-up, and production operations in regulated biotech environments. I specialize in translating complex processes into scalable, efficient, and compliant manufacturing solutions, with hands-on experience delivering measurable improvements in throughput, labor efficiency, cycle time, and quality through automation, equipment validation, and structured root-cause analysis.My work includes leading large-scale process qualifications, implementing automated manufacturing systems, owning change control in ERP environments, and partnering cross-functionally with Manufacturing, QA, RA, and Engineering teams. Certified in ICAgile and Lean Six Sigma Foundations, I thrive in structured, technology-driven organizations and am currently targeting Process Engineer, Manufacturing Engineer, Process Development, or Product Development roles within Biotech, Semiconductors, or EV/battery manufacturing.
Experience
Process Development Engineer Ii
Jul 2025 — Present · San Diego, CA, US
Defined User Requirement Specifications (URS) and supported design refinement for a custom fully automated all-in-one liquid handling system to support high throughput chemical manufacturing. Leading the full equipment lifecycle including design refinement, procurement, vendor management, validation, and implementation for the all-in-one liquid handling system. Projected to eliminate ~5,500 manual work orders and ~$1.4M in cumulative 5-year savings. Assigned Change Lead, owning change control records from initiation to closure in ERP (SAP) systems, facilitating stakeholder alignment, timely impact assessments, and on time CCB approval for efficient but compliant Engineering change control.
Education
San Diego Miramar College
Mechanical Engineering
2017 — 2020
UC San Diego Jacobs School of Engineering
Bachelor's degree, Chemical Engineering
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