Sustaining Engineer

For over four decades, Cirrus Logic has been propelled by the top engineers in mixed-signal processing. Our rockstar team thrives on solving complex challenges with innovative end-user solutions for the world's top consumer brands. Cirrus Logic is also known for its award-winning culture, built on a foundation of inclusion and fairness, meaningful community engagement, and delivering enjoyable employee experiences at every turn. But we couldn’t do it without our extraordinary workforce – and that’s where you come in. Join our team and help us continue to make Cirrus Logic an exceptional place to grow your career!

Join Cirrus Logic’s Technology & Manufacturing Operations team and play a critical role in bringing innovative semiconductor products to market. As a Sustaining Engineer, based in Porto, you'll be at the center of a global manufacturing network, collaborating with suppliers, engineering teams, and supply chain partners to ensure seamless production, capacity planning, and product delivery. This is a high-impact opportunity for someone who thrives in a fast-paced environment and enjoys driving operational excellence, solving complex challenges, and building strong partner relationships across the semiconductor ecosystem.

Responsibilities:

• Facilitate and monitor OSAT forecasts, product WIP movement, and raw material inventories
• Drive and monitor production pull ins when needed
• Work with supply chain account team to monitor OSAT available capacities against customer demands and secure capacities for upside demand when needed
• Travel to and work with OSAT on-site to coordinate production ramps, resolve production delivery issues, assist with Quality Audits, review quarterly performance, and other issues as needed.
• Help silicon technology and yield enhancement team manage engineering WIP and coordinate subsequent manufacturing steps at packaging and test
• Track OSAT cycle time & delivery of product, reporting monthly/quarterly
• Assist with Foundry RMA execution within the OSAT
• Assist with New Product Introduction efforts for WIP movement and required delivery

Required Skills and Qualifications:

• Bachelor’s degree in a technology or supply chain/business discipline preferred
• Proven experience in semiconductor manufacturing planning and command of key planning concepts in a semiconductor company
• Strong data analysis skills
• Demonstrates high ethical standards, as well as fairness and consistency in supplier management
• Ability to effectively communicate in English
• Ability to take ownership of and manage multiple projects and deadlines and work effectively as part of a team
• Strong skills in initiating executive conversations with OSAT suppliers
• Familiarity with SAP for WIP inventory management, hold lot management, and Purchase Requisitions is a plus

Preferred Skills and Qualifications

• Expertise in in IC package assembly processes, industry packaging trends and customer requirements
• Previous experience with WLCSP or related bumping technology assembly
• Knowledge of statistical and design software, JMP, AutoCAD, Gerber/PCB design
• Understanding of material science and process interactions
• Experience with assembly tool design and fabrication
• Advanced degree in an engineering field

This position is based in Porto, Portugal.

You must be based within commutable distance of the work location listed on the job posting, or willing to relocate prior to beginning employment with Cirrus Logic.

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At Cirrus Logic, we believe that diversity drives innovation, and we are committed to encouraging an open and collaborative culture where different approaches, ideas, and points of view are respected and valued. We aim to promote a workplace where everyone can contribute irrespective of race, colour, national origin, religion or belief, gender or gender identity, sexual orientation, age, marital status, pregnancy status, or disability.