CPU Performance Modeling Engineer, Platform Architecture **Santa Clara, California, United States** **Hardware** **Summary** Posted: **Aug 13, 2025** Role Number: **200616333-3760** Do you have an uncommon desire to seek out and solve exceedingly difficult challenges rather than the easy ones? Do you believe that truly valuable and meaningful accomplishments are the result of pushing the limits of perseverance? Do you believe that a world-class team with relentless drive can surpass even their own high expectations? We do! But we also realize this job isn’t for everyone. What we do isn’t easy, but you don’t take the easy path. We are seeking a highly motivated, innovative, and confident individuals to join the CPU Architecture and Performance Team; we are a group that is driving advanced exploration for next generation iPhone, iPad, and Mac CPU architectures. **Description** As a CPU Performance Modeling Engineer with a focus on CPU microarchitecture, you’ll be part of a team pioneering innovation in branch prediction, code/data prefetchers, novel prediction schemes, and CPU pipelines. Your role involves modeling advanced CPU microarchitecture pipelines, novel performance ideas and features in our high-fidelity cycle-accurate performance simulator and assessing their effectiveness. You’ll collaborate closely with RTL designers and performance verification engineers to ensure the model’s accuracy in both functional and performance aspects, which are crucial for critical design decisions. Together, as a larger CPU architecture and performance team, we’ll maintain and improve the simulation environment to enable data-driven decisions and explore ways to enhance team productivity. **Minimum Qualifications** + BS degree + Knowledge of computer architecture fundamentals + Familiarity with performance simulation environments + Coding skills including object-oriented programming with C and C++ Experience in scripting languages such as Perl or Python **Preferred Qualifications** + MS or PhD in Electrical or Computer Engineering or Computer Science + Knowledge of digital logic design, CPU architecture, and microarchitecture + Experience in CPU performance modeling, RTL design, or CPU verification, or equivalent coursework at the advanced level + Knowledge of OS internals and compiler technologies + Comfortable in an environment of uncertainty and able to walk through ambiguities + Communication, influence and negotiation skills **Pay & Benefits** At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $126,800 and $190,900, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.Learn more about Apple Benefits. (https://www.apple.com/careers/us/benefits.html) Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation. Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) . Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more . Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more . Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines applicable in your area. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.