Sr. Staff Engineer, Front-End Verification at Tenstorrent | Austin, TX, US | Rezi

Sr. Staff Engineer, Front-End Verification at Tenstorrent

Sr. Staff Engineer, Front-End Verification

Tenstorrent · Austin, TX, US

2 weeks ago

Sr. Staff Engineer, Front-End Verification

Tenstorrent · Austin, TX, US

19 days ago
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About the Role

Contribute to the unit-level verification of our RISC-V CPU front end, focusing on instruction fetch, branch prediction, and related control structures. Build testbenches, generate stimulus, and develop checkers for complex microarchitectural scenarios as a key individual contributor.

Responsibilities

  • Work within the front-end DV team to build and maintain UVM testbenches for instruction fetch units, branch predictors, and related sub-blocks.
  • Develop constrained-random and directed tests targeting speculation depth, misprediction/redirect flows, fetch bubbles, and cache/TLB interactions.
  • Help develop and maintain C++ reference models and predictors that integrate into the verification framework for cycle-accurate or transaction-level checking.
  • Execute verification plans, track functional and code coverage metrics, and ensure edge cases are verified.

Requirements

  • Solid background verifying CPU front-end blocks—such as instruction fetch, branch predictors (BTB, TAGE, RAS), instruction caches/TLBs, or decode—using SystemVerilog, UVM, and C++.
  • Hands-on experience building clean, controllable unit testbench environments with precise stimulus and checking.
  • Pragmatic approach to building transactors, predictors, and scoreboards that can be reused across verification levels.
  • Comfortable working alongside RTL designers to trace and fix misspeculation, redirect, and edge-case fetch bugs.

Skills

  • SystemVerilog
  • UVM
  • C++
  • RISC-V
  • CPU front-end verification
  • Instruction fetch
  • Branch prediction
  • Testbench development
  • Stimulus generation
  • Checker development
  • Microarchitectural verification
  • Constrained-random testing
  • Directed testing
  • Reference modeling
  • Transaction-level modeling
  • Functional coverage
  • Code coverage
  • RTL design interaction
  • Verilator

Location

  • Austin, TX
  • Santa Clara, CA

Work Type

  • Hybrid

Experience Level

  • Various experience levels considered

Salary/Compensations

  • $100k - $500k

Benefits

  • Highly competitive compensation package

About the Company

  • Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency.
  • Solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors.
  • Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion for AI and a deep desire to build the best AI platform possible.
  • We value collaboration, curiosity, and a commitment to solving hard problems.
  • We are growing our team and looking for contributors of all seniorities.

Equal Opportunity

  • We are an equal opportunity employer.
  • This offer of employment is contingent upon the applicant being eligible to access U.S. export-controlled technology.
  • Due to U.S. export laws, including those codified in the U.S. Export Administration Regulations (EAR), the Company is required to ensure compliance with these laws when transferring technology to nationals of certain countries (such as EAR Country Groups D:1, E1, and E2).
  • These requirements apply to persons located in the U.S. and all countries outside the U.S.
  • As the position offered will have direct and/or indirect access to information, systems, or technologies subject to these laws, the offer may be contingent upon your citizenship/permanent residency status or ability to obtain prior license approval from the U.S. Commerce Department or applicable federal agency.
  • If employment is not possible due to U.S. export laws, any offer of employment will be rescinded.