Principal Foundry Engineer

Lattice Overview There is energy here…energy you can feel crackling at any of our international locations. It’s an energy generated by enthusiasm for our work, for our teams, for our results, and for our customers. Lattice is a worldwide community of engineers, designers, and manufacturing operations specialists in partnership with world-class sales, marketing, and support teams, who are developing programmable logic solutions that are changing the industry. Our focus is on R&D, product innovation, and customer service, and to that focus, we bring total commitment and a keenly sharp competitive personality. Energy feeds on energy. If you flourish in a fast paced, results-oriented environment, if you want to achieve individual success within a “team first” organization, and if you believe you can contribute and succeed in a demanding yet collegial atmosphere, then Lattice may well be just what you’re looking for. Job Description About the Role Lattice Semiconductor is seeking a Staff/Principal Foundry Engineer to lead and manage the transfer and qualification of our products on Samsung 28FDS FD-SOI process technology. This role requires strong semiconductor process knowledge, device physics understanding, and the ability to drive cross-functional programs across Lattice internal teams. The ideal candidate operates with a high degree of autonomy, will serve as the primary interface between Lattice's distributed foundry engineering teams (US and Taiwan) and Samsung's Austin fab, ensuring process quality, yield, and reliability standards are met. Key Responsibilities Foundry Engagement & Program Management Lead technical engagement with Samsung Austin (primary) and Samsung Korea teams; coordinate with Lattice foundry engineers across US and Taiwan sitesDrive foundry suppliers to meet company yield, quality, and reliability goalsDefine and maintain program plans, milestone trackers, and risk registers across transfer and sustaining phasesProvide clear, concise status reporting to leadership and cross-functional stakeholdersTravel regularly to Samsung Austin fab Process Transfer & Product Qualification Own end-to-end process transfer and qualification, including baseline qualification, process corner validation, and PVT characterizationLead product qualification activities in collaboration with the Reliability teamDrive lot starts, wafer splits, and process window experiments; perform WAT analysis to validate process baselinesEvaluate and qualify Samsung-initiated process changes, material substitutions, or equipment updates for product impactSupport new product ramp-up activities to volume production Yield Engineering & Sustaining Own post-transfer sustaining activities including yield improvement, process window optimization, and SPC monitoring on production siliconAnalyze WAT, inline, and final test data to identify process drift, yield loss mechanisms, and reliability risks; drive root cause and corrective action with Samsung process ownersPerform product process corner and design window studies to optimize process targetsCollaborate with Design, Product Test, and Failure Analysis teams to debug and root cause systematic yield issues Failure Analysis & Quality Coordinate failure analysis efforts across internal teams and Samsung FA resourcesPerform product failure diagnosis for yield debug and failure localization, including bitmap analysisSupport customer-facing quality escalations including 8D and CAR responses Data Analysis & Reporting Apply advanced analytics and statistical methodologies to maximize yields, lower costs, and prevent quality excursionsInterface with cross-functional teams including R&D, Quality and Reliability, Manufacturing Test, Product Engineering, and Operations to deliver high-quality products and meet key metrics Required Qualifications M.S. in Electrical Engineering, Materials Science, or related discipline or above10+ years of semiconductor process or foundry engineering experience, prior experience in a fabless semiconductor company managing an external foundry relationship a plusHands-on experience with advanced CMOS or FD-SOI process technologies at 28nm node or below, including strong understanding of device physics, fabrication processes, and their interactions with circuit behaviorStrong knowledge of FD-SOI device physics including back-bias tuning, body effects, leakage, and variabilityExperience with product qualification and reliability testing (HTOL, TDDB, EM); familiarity with AEC-Q100 for automotive applicationsDemonstrated experience with WAT parametric analysis, yield engineering, SPC, and failure diagnosis and analysis coordination; familiarity with technology design rules, DFM, and layout-based yield analysis toolsUnderstanding of semiconductor product test flow and ability to engage effectively with manufacturing test and product engineering teamsExperience leading multi-year foundry transfer or qualification programs with cross-functional ownership; ability to manage multiple concurrent programs and prioritiesExcellent written and verbal communication skills; ability to convey technical concepts clearly to both technical and business audiences Preferred Qualifications Direct experience with Samsung 28FDS FD-SOI process technologyExperience working with Samsung Foundry engineering or process teamsPrior Failure Analysis experienceProficiency in JMP, Python, or equivalent tools for large-scale data analysisFamiliarity with Lattice FPGA architecture or programmable logic products In addition to base pay, this role may be eligible for variable/ incentive compensation and/ or equity. In addition, this role is eligible for a comprehensive, competitive benefits package which may include healthcare and retirement plans, paid time off, and more! Additional Information This position requires a successful background and reference checks and satisfactory proof of your right to work in: United States of America Lattice recognizes that employees are its greatest asset and the driving force behind success in a highly competitive, global industry. Lattice continually strives to provide a comprehensive compensation and benefits program to attract, retain, motivate, reward and celebrate the highest caliber employees in the industry. Lattice is an international, service-driven developer of innovative low cost, low power programmable design solutions. Our global workforce, some 1,000 strong, shares a total commitment to customer success and an unbending will to win. For more information about how our FPGA, CPLD and programmable power management devices help our customers unlock their innovation, visit www.latticesemi.com. You can also follow us via Twitter, Facebook, or RSS. At Lattice, we value the diversity of individuals, ideas, perspectives, insights and values, and what they bring to the workplace. Applications are welcome from all qualified candidates. As an E-Verify employer, we use this system to confirm the employment eligibility of all new hires in accordance with federal law. All applicants will be required to complete a Form I-9, Employment Eligibility Verification, upon hire. We do not use E-Verify to pre-screen job candidates and will comply with all E-Verify regulations.