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Sr Performance Test Engineer Jobs in California (NOW HIRING)

Sr Performance Validation Engineer

Sunnyvale, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As the Senior Pre-Silicon Performance Validation Engineer, you will be responsible for validating ... Develop test plans that verify performance against design specifications before tape-out. • ...

Senior Performance Engineer

San Jose, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are seeking a Senior LLM Systems Performance Engineer to build representative AI environments, characterize emerging workloads, and drive performance analysis for next-generation AI platforms. In ...

Senior Performance Engineer Location: San Jose, CA (On-site) Role Overview Astera Labs is a hyper ... Test Infrastructure & Automation * Design, build, and maintain automated lab infrastructure ...

Senior Test Engineer

Torrance, CA · On-site

$90 - $120/hr

  • Medical

  • Dental

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  • Life

  • Retirement

  • PTO

Senior Test Engineer, Solid Rocket Motors & Hypersonic Systems We are seeking a Senior Test ... Experience with static fire testing, thrust measurement, and ballistic performance evaluation for ...

Senior Test Engineer

Orange, CA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior Test Engineer , you'll take ownership of verification and validation activities ... Execute functional, performance, reliability, environmental, prototype, laboratory, and field ...

Senior Test Engineer

Orange, CA · On-site

$113 - $137/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior Test Engineer, you'll take ownership of verification and validation activities ... Execute functional, performance, reliability, environmental, prototype, laboratory, and field ...

New

Senior Performance Engineer Location: San Jose, CA (On-site) Role Overview Astera Labs is a hyper ... Test Infrastructure & Automation * Design, build, and maintain automated lab infrastructure ...

Senior Test Engineer

Cypress, CA · On-site

$110 - $118/hr

  • PTO

# Senior Test Engineer**An Amazing Career Opportunity for a Senior Test Engineer!!** **Location:** Cypress, CA**Job ID:** 48285HID Global is seeking a motivated and experienced Senior Test Engineer to ...

Senior Video Test Engineer

Torrance, CA · On-site

$120K - $160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Summary We are seeking a hands-on, detail-oriented, Senior Video Test Engineer to lead product-level and system-level validation and verification activities for BCI's high-performance digital ...

Senior Test Engineer (Hybrid) Our client, a leading innovator in high-performance mixed-signal integrated circuits, is seeking a Senior Test Engineer to join their Signal Integrity Products (SIP ...

Plan and execute qualification, validation, durability, and performance test programs. * Operate ... Partner with design engineers, program managers, manufacturing, and quality personnel to align test ...

New

Showing results 21-40

Sr Performance Test Engineer information

What are some typical challenges faced by a Sr Performance Test Engineer, and how can these be addressed?

Sr Performance Test Engineers often encounter challenges such as simulating real-world user loads, identifying performance bottlenecks in complex systems, and ensuring testing environments closely mirror production. Addressing these requires collaboration with developers and DevOps teams to set up accurate test environments, using advanced monitoring tools to trace issues, and continuously refining test scripts as applications evolve. Proactively communicating with stakeholders and staying updated on the latest performance testing tools can also help overcome these challenges.

What is the difference between Sr Performance Test Engineer vs Performance Test Engineer?

AspectSr Performance Test EngineerPerformance Test Engineer
CredentialsTypically requires 5+ years experience, certifications like ISTQB or ISTQB Advanced, and strong technical skillsUsually requires 2-4 years experience, similar certifications, and foundational testing skills
Work EnvironmentWorks in complex projects, often leads testing efforts, and collaborates with multiple teamsPerforms testing tasks under supervision, supports performance testing activities
Industry UsageCommonly employed in IT, software development, and enterprise applicationsUsed across similar industries, often as an entry to mid-level role

The main difference is experience level and responsibility. Sr Performance Test Engineers lead testing efforts and handle complex scenarios, while Performance Test Engineers focus on executing tests and supporting the team. Both roles require similar skills and certifications, but the senior role involves more leadership and strategic planning.

What is a Sr Performance Test Engineer?

Senior Performance Test Engineers are experienced professionals responsible for designing, implementing, and executing tests to evaluate the speed, responsiveness, scalability, and stability of software applications under varying workloads. They analyze system performance, identify bottlenecks, and recommend optimizations to ensure the application meets performance requirements. Additionally, Sr Performance Test Engineers often lead performance testing initiatives, mentor junior testers, and collaborate closely with development and operations teams to ensure a high-quality user experience.

What are the key skills and qualifications needed to thrive as a Sr Performance Test Engineer?

To thrive as a Sr Performance Test Engineer, you need an in-depth understanding of performance testing concepts, scripting, and analysis, typically supported by a degree in computer science or a related field. Expertise in tools like LoadRunner, JMeter, and monitoring systems such as Dynatrace or New Relic, along with relevant certifications, is often required. Strong analytical thinking, problem-solving abilities, and effective communication skills set standout professionals apart in this role. These skills and qualities are crucial to accurately identify bottlenecks, ensure system reliability, and drive collaboration across development teams for optimal application performance.

What are popular job titles related to Sr Performance Test Engineer jobs in California?

For Sr Performance Test Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Sr Performance Test Engineer jobs in California look for?

The top searched job categories for Sr Performance Test Engineer jobs in California are:

What cities in California are hiring for Sr Performance Test Engineer jobs?

Cities in California with the most Sr Performance Test Engineer job openings:

Infographic showing various Sr Performance Test Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Sr Performance Validation Engineer

Amazon

Sunnyvale, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 1 hour ago


Amazon rating

7.4

Company rating: 7.4 out of 10

Based on 7,086 frontline employees who took The Breakroom Quiz

6th of 39 rated national retailers


Job description

Amazon Lab126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of Amazon.com, Inc., originally creating the best-selling Kindle family of products. Since then, we have produced numerous devices like Fire tablets, Fire TV and Amazon Echo. What will you help us create? The team that built the innovative SoCs AZ3 and AZ3 Pro that power the latest generation of Echo devices is looking for Senior Pre-Silicon Performance Validation Engineer to continue to innovate on behalf of our customers.
As the Senior Pre-Silicon Performance Validation Engineer, you will be responsible for validating and verifying the performance of complex silicon designs during the pre-silicon phase, ensuring that our chip designs meet stringent performance, power, and functionality requirements before tape-out across multiple process nodes.
Key job responsibilities
In this role, you will:
• Design and execute comprehensive validation strategies for silicon performance during the pre-silicon phase using RTL simulations, emulation platforms, and virtual prototypes.
• Develop test plans that verify performance against design specifications before tape-out.
• Create and maintain validation infrastructure including test benches, performance models, simulation environments, and automated validation frameworks.
• Develop and maintain performance models to predict silicon behavior including frequency, power consumption, and thermal characteristics.
• Create methodologies for accurate performance prediction and correlation with expected post-silicon results.
• Identify performance bottlenecks through simulation and analysis, working with design teams to implement optimization strategies before tape-out.
• Debug and Root Cause Analysis
• Establish validation methodologies and best practices that can be adopted across the organization. Create comprehensive checklists and procedures for performance validation activities.
• Work closely with architecture, RTL design, verification and emulation teams to ensure performance requirements are met throughout the pre-silicon development cycle.
• Provide early feedback to design teams on performance optimization opportunities.
• Collaborate with external partners and vendors on emulation and virtual platform activities.
BASIC QUALIFICATIONS
- 7+ years of UVM, C, System C, and scripting experience
- Deep understanding of digital design principles, timing analysis, and power management techniques. Expertise in pre-silicon performance validation methodologies for complex SoCs or processors using simulation, emulation, and virtual platforms.
- Bachelor's degree in electrical engineering, Computer Engineering, or related field with 7+ years of experience
- Proficiency with industry-standard tools including RTL simulators (VCS, Questa, Xcelium), emulation platforms (Palladium, Zebu), and performance analysis tools.
- Strong programming skills in Python, C/C++, SystemVerilog, or similar languages for test automation and performance modeling
- Strong knowledge of semiconductor design flows from architecture to tape-out and their impact on performance
PREFERRED QUALIFICATIONS
- Master's degree or Ph.D. degree in Electrical Engineering or related field
- Proven track record of successful pre-silicon performance validation on multiple tape-outs.
- Understanding of performance modeling techniques and correlation methodologies.
- Familiarity with industry standards and protocols relevant to the target application domain. Experience with machine learning accelerators, multi-core processors, or similar complex digital designs is a plus
- Experience with emulation-based validation of multi-core processors or SoCs. Knowledge of UPF (Unified Power Format) and low-power design techniques, performance modeling and early power estimation methodologies.
- Experience with virtual prototyping and transaction-level modeling (TLM). Background in RTL design, verification, or architecture is beneficial.
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company's reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.
The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.
USA, CA, Sunnyvale - 183,000.00 - 247,600.00 USD annually

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About Amazon

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Amazon.com, Inc., commonly known as Amazon, is an American multinational technology company. It was founded by Jeff Bezos in 1994 and initially started as an online marketplace for books. Since then, Amazon has expanded its operations and become one of the largest e-commerce companies in the world. Amazon's primary business is its online retail platform, where customers can purchase a vast array of products, including electronics, clothing, books, home goods, and much more. The company offers a convenient and user-friendly shopping experience, with features such as fast shipping, customer reviews, and personalized recommendations. In addition to its e-commerce platform, Amazon has diversified its business into various other areas. One of its notable ventures is Amazon Web Services (AWS), a comprehensive cloud computing platform that provides services such as storage, compute power, and database management to individuals and businesses. AWS has become a leader in the cloud computing industry, powering many websites and applications worldwide. Amazon has also developed its own consumer electronics, including the popular Amazon Kindle e-reader, Fire tablets, Fire TV streaming devices, and the Alexa-powered Echo smart speakers. The Alexa voice assistant, integrated into these devices, allows users to interact with their devices using voice commands, perform tasks, and access information. Furthermore, Amazon has expanded into media and entertainment. It operates Prime Video, a streaming service that offers a wide range of movies, TV shows, and original content. Amazon Music provides a platform for streaming and purchasing digital music, while Audible offers audiobooks and other audio content. The company's commitment to customer satisfaction and convenience is demonstrated by its membership program, Amazon Prime. Prime members receive various benefits, including free two-day shipping, access to streaming services, exclusive deals, and more.

Industry

It services, book publishers, retail, real estate and computer and electronic product manufacturing

Company size

10,000+ Employees

Headquarters location

Seattle, WA, US