IBM LOGIC DESIGN ENGINEER – Processor Coherency Logic presso IBM

Introduction

At IBM Infrastructure & Technology, we design and operate the systems that keep the world running. From high-resiliency mainframes and hybrid cloud platforms to networking, automation, and site reliability. Our teams ensure the performance, security, and scalability that clients and industries depend on every day. Working in Infrastructure & Technology means tackling complex challenges with curiosity and collaboration. You’ll work with diverse technologies and colleagues worldwide to deliver resilient, future-ready solutions that power innovation. With continuous learning, career growth, and a supportive culture, IBM provides the opportunities to build expertise and shape the infrastructure that drives progress.

Your role and responsibilities

• Lead the design and development of on- and off-chip network microarchitectures for Coherency and data transport that meet KPIs for next-generation SMP.

• Work closely with Cache/Nest PD architect & designers to implement structures/topologies that are logically and physically realizable by the target tape-out date.

• Modify/develop Cache Coherence protocol that best supports coherence transport topology.

• Develop features in L2 and LLC micro architectures that improve KPIs.

• Work with Core Architects & Designers to implement features in L2-Core interface and interactions, that improves KPIs.

Required technical and professional expertise

• Minimum 8 to 12 years of relevant experience

• Hands-on RTL level experience of independently delivering Coherency feature in processor

• Expertise in Cache Coherence protocols for symmetric multiprocessors (SMP), covering both chip SMP and multi-socket SMP

• Experience with NuCA / NuMA (Non-uniform Cache / Memory architecture) architectures and implementations

• Experience in working with Core architecture/ FW/ SW teams

• Exposure to System microarchitecture

Preferred technical and professional experience

'- Knowledge of Memory Management units, Data transfer protocols

• Knowledge of CDC, RDC concepts

• Knowledge of verification principles and coverage

• High-level knowledge of Linux operating system

• Knowledge of one object oriented language and scripting language

• Understanding of Agile development processes

• Experience with DevOps design methodologies and tools

IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.