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MatX

Performance Modeling Engineer

MatX

. Translate AI accelerator architecture into performance models .

Posted 9/22/2026full-timeMountain View • California • United StatesMid-LevelSenior💰 $120,000 - $600,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in performance modeling and the latest LLM model architectures, with a strong understanding of AI accelerators and compliance with U.S. export control laws. Capable of collaborating effectively with cross-functional teams to enhance modeling frameworks and automate processes.

Highest-signal resume keywords
Performance ModelingLLM Model ArchitecturesAI Accelerator KnowledgeU.S. Export Control ComplianceCollaboration with ML and Software Teams

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Performance ModelingLLM Model ArchitecturesAI Accelerator ArchitectureTensor Layout Automation
Tools & Technologies
Modeling FrameworksAutomation ToolsCompilers
Industry Keywords
U.S. Export Control LawsComputer Architecture

About the role

Key responsibilities & impact
  • Translate AI accelerator architecture into performance models
  • Maintain modeling framework capabilities and releases
  • Automate creation of detailed tensor layouts for frontier LLMs
  • Create tools, compilers, and automations integrating with the broader organizational technology stack
  • Collaborate with ML, Software, and Architecture teams to support experiments and workflows

Requirements

What you’ll need
  • Strong background in performance modeling
  • Strong working knowledge of the latest LLM model architectures
  • Experience with computer architecture, particularly AI accelerators
  • Ability to perform job functions in compliance with U.S. export control laws without obtaining a license from U.S. export control authorities
  • Currently authorized to work in the United States
  • No minimum years of experience specified

Benefits

Comp & perks
  • 4 weeks PTO (accrued)
  • 12 company holidays
  • Up to 3 weeks remote work
  • Company-subsidized Medical (Kaiser or Anthem) for employees & dependents
  • Guardian Dental and Vision insurances for employee & dependents
  • Life insurance
  • HSA and FSA offerings via Lively
  • Roth IRA and/or 401K retirement plans
  • Up to 5% company contribution to 401K, even if you don't contribute
  • 100% company-paid life insurance up to $300K
  • Long-term disability insurance
  • $1500 professional development budget per year
  • Onsite team lunch and dinner Monday–Friday
  • 100% paid daily commute via company Uber account or train reimbursement
  • $50/month MatX E[x]tras perk allowance
  • $35/month cellular reimbursement
  • $40/month Wi-Fi reimbursement
  • Up to $1000 for remote home office setup purchases
  • 100% paid mental health benefit via SpringHealth and Guardian EAP
  • Up to 12 weeks paid parental leave
  • 10 weeks pregnancy disability leave
  • Flexible return-to-work hours
  • Benepass reproductive health and parental benefit
  • Equity