Sr Principal Engineer AI/ML

Global Foundries; Santa Clara (CA); On-site; USD 171,000 - 325,000; Full time

Job summary

GlobalFoundries is seeking an experienced CPU IP Design Engineer to define, lead, and own RTL development for a new AI-enabled RISC-V CPU core. Responsibilities include microarchitecture, vector extensions, and an AI matrix engine, with collaboration across design and verification teams.

The role focuses on high-performance core blocks, power/area optimizations, and detailed specifications from architecture exploration through implementation, verification, and integration into SoC designs.

Qualifications

• Hands-on experience with high‑performance CPU cores.
• Knowledge of cache and memory subsystems.
• Experience with simulators and waveform debugging tools.
• Master's degree with substantial experience; PhD is a plus.

Responsibilities

• Drive micro-architecture and design of core blocks.
• Design of RISC‑V Vector core and extensions.
• Design of AI‑enabled Matrix engine for the Vector CPU.
• Support verification strategy and RTL performance goals.
• Collaborate with cross‑functional teams on timing, area and power.

Skills

CPU microarchitecture

RTL design

Verilog/SystemVerilog

Verilog

Education

Master's degree

PhD (preferred)

Tools

SystemVerilog

Verilog

VHDL

Job description

About GlobalFoundriesGlobalFoundries (GF) is a leading full-service semiconductor foundry providing a unique combination of design, development, and fabrication services to some of the world's most inspired technology companies. With a global manufacturing footprint spanning three continents, GF makes possible the technologies and systems that transform industries and give customers the power to shape their markets. For more information, visit www.gf.com.

Summary of Role:

We are seeking an experienced CPU IP Design Engineer. Responsible for Defining, leading and owning RTL development of our latest AI-enabled RISC-V CPU core. The candidate will be responsible for all aspects of the design including Functional Features, Performance, Power, and Area.

Essential Responsibilities

• Drive the micro-architecture and design of critical blocks of the CPU core
• Design of RISC-V Vector CPU core and its custom extensions
• Design of AI-enabled Matrix engine to augment the Vector CPU
• Explore high-performance strategies working with the CPU modeling team
• Perform Microarchitecture development and specification- from early high-level architectural exploration, through microarchitectural research and arrive at detailed specifications
• Configure Design Features Development, assessment, and refinement of RTL design to target power, performance, area, and timing goals
• Perform Functional verification support and assist in the design verification strategy
• Assist with the verification of RTL design performance goals
• Partner with a multi-functional engineering team to implement and validate physical design aspects of timing, area, reliability, testability, and power

Other Responsibilities

Perform all activities in a safe and responsible manner and support all Environmental, Health, Safety & Security requirements and programs.

Required Qualifications

Hands-on working knowledge of the pipeline stages of an in-order or out-of-order high-performance CPU coreThorough knowledge of microprocessor architecture including expertise in one or more of the following areas:* Instruction fetch and decode, branch prediction techniques* Instruction scheduling, register renaming, Reorder Buffer (ROB)* Out-of-order execution* Integer and Floating-point execution* Load/Store execution* Instruction and Data Prefetch* Vector data path* Cache and memory subsystemsKnowledge of Cache coherency and memory consistencyKnowledge of System Verilog, Verilog and/or VHDLExperience with simulators and waveform debugging tools.Knowledge of logic design principles along with timing and power implicationsMaster's with 10+ years of experience, PhD 5+ years of work experience

Preferred Qualifications

Experience with designing RISC-V, ARM, and/or MIPS CPUExperience with Hardware multi-threading, virtualization, and SIMD designsExperience with vector and matrix-enabled CPUs, preferably RISC-V processors.Understanding of high-performance techniques and trade-offs in a CPU microarchitectureUnderstanding of low-power microarchitecture techniquesExperience using a scripting language such as Perl or PythonUnderstanding of CPU integration at SoC levelUnderstanding of Safety and Security microarchitecture

Expected Salary Range

Expected Salary Range$171,000.00 - $325,000.00The exact Salary will be determined based on qualifications, experience and location.

Accommodations

If you need a reasonable accommodation for any part of the employment process, please contact us by email at [e-mail] and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this email address.

GlobalFoundries is fully committed to equal opportunity in the workplace and believes that cultural diversity within the company enhances its business potential. GlobalFoundries goal of excellence in business necessitates the attraction and retention of highly qualified people. Artificial barriers and stereotypic biases detract from this objective and may be illegally discriminatory. All policies and processes which pertain to employees including recruitment, selection, training, utilization, promotion, compensation, benefits, extracurricular programs, and termination are created and implemented without regard to age, ethnicity, ancestry, color, marital status, medical condition, mental or physical disability, national origin, race, religion, political and/or third-party affiliation, sex, sexual orientation, gender identity or expression, veteran status, or any other characteristic or category specified by local, state or federal law