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Principal Performance Engineer information

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$74K

$147.2K

$212.5K

How much do principal performance engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for principal performance engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is a principal performance engineer?

A Principal Performance Engineer is a senior technical expert responsible for ensuring that software systems and applications operate at optimal performance levels. They lead efforts in designing, analyzing, and improving system architectures to prevent performance bottlenecks and scalability issues. Their work often includes conducting performance testing, identifying system limitations, and collaborating with development teams to implement solutions. Principal Performance Engineers also mentor other engineers and set best practices for performance optimization across the organization.

What skills and qualifications are needed to thrive as a principal performance engineer?

To thrive as a Principal Performance Engineer, you need deep expertise in system architecture, performance analysis, and optimization, typically supported by a degree in computer science or a related field. Mastery of performance profiling tools (like JMeter, LoadRunner, or Dynatrace), scripting languages, and cloud platforms is essential, along with relevant industry certifications. Strong problem-solving, communication, and leadership skills help you collaborate across teams and drive system improvements. These skills ensure scalable, efficient, and reliable systems that meet business and user requirements in complex technical environments.

How does a principal performance engineer collaborate with development and operations teams to optimize application performance?

A Principal Performance Engineer plays a pivotal role in bridging development and operations by working closely with both teams to identify, analyze, and resolve performance bottlenecks. They often participate in design reviews, consult on architectural decisions, and guide the implementation of best practices for scalability and reliability. Regularly, they lead performance testing efforts, share insights from monitoring tools, and mentor team members on performance tuning. This collaborative approach ensures that performance considerations are integrated throughout the software development lifecycle, resulting in robust and efficient applications.

What is the difference between Principal Performance Engineer vs Performance Engineer?

AspectPrincipal Performance EngineerPerformance Engineer
CredentialsBachelor's/Master's in Computer Science or related, often with certifications in performance testingBachelor's in Computer Science or related, with similar certifications
Work EnvironmentLeads performance testing teams, designs strategies, and mentorsExecutes performance tests, analyzes results, and reports findings
Industry UsageUsed across large enterprises, tech companies, and software firmsCommon in software development, QA teams, and IT departments

The Principal Performance Engineer typically holds a leadership role, overseeing performance testing strategies and mentoring teams, while the Performance Engineer focuses on executing tests and analyzing results. Both roles require similar technical skills and certifications, but differ in scope and responsibility.

More about Principal Performance Engineer jobs

What job categories do people searching Principal Performance Engineer jobs look for?

The top searched job categories for Principal Performance Engineer jobs are:

Infographic showing various Principal Performance Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 88% Full Time, 9% Part Time, and 2% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $147,220 per year, or $70.8 per hour.

Principal Supplier Performance Engineer

Westinghouse Electric Company, LLC

Cranberry, NC โ€ข Remote

$103K - $129K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 20 days ago


Job description

Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace.

About the role:

As a Principal Supplier Performance Engineer, you will prioritize personal, industrial, and nuclear safety as a fundamental part of your job. Your responsibilities will include leading assigned cost reduction and new product projects, de-risking new suppliers through technical assessments and development, and supporting the resolution of supplier issues and negative performance trends. Additionally, you will implement performance improvements and lead the resolution of complex quality/technical issues. You will report to the Senior Manager, EMEA/ASIA Supplier Performance and be work remote. 100% remote position.

Key Responsibilities:
  • Strengthen Nuclear Safety Culture Traits and Human Performance Tools at Westinghouse and with our suppliers

  • Lead supplier development and qualification activities for new products and cost reduction efforts. This includes identification of project risks and mitigating actions, managing project schedules, approval of supplier process documents, process capability analyses, measurement system analyses, input to design for manufacturability.

  • Lead technical assessments of new suppliers for manufacturing capability, capacity, process controls, compliance with applicable regulations, codes and standards, and associated risks.

  • Lead Supplier development activities to implement or improve Supplier quality management systems and manufacturing processes to meet Westinghouse requirements.

  • Perform on-site and remote supplier oversight to ensure Westinghouse technical and quality requirements are achieved.

  • Oversee internal and supplier corrective action requests, perform cause analyses, and verify completion of preventative and corrective actions.

  • Lead and escalate "quality events", coordinating activities, issuing communications, identifying partners to ensure prompt identification of impacted products, disposition, and corrective action

  • Evaluate procurement risk, solicit partner input, and use resources to develop security of supply risk mitigation plans

  • Work with Design Engineering to ensure the integrity and clarity of engineering drawing requirements and that all expectations are communicated to support suppliers.

  • Support implementation of Value Analysis/Value Engineering, Design for Assembly and Design for Manufacturing principles during the design process.

ย Qualifications:
  • Bachelor's Degree or higher in Engineering

  • 5+ years of progressive experience in engineering/manufacturing

  • Knowledge in manufacturing processes

  • Machining, welding, assembly of components, I&C.

  • Experience performing process capability analysis (Cpk) and qualification

  • Working knowledge of Manufacturing and Quality Plans, PFMEAs, etc.

  • Experience identifying project tasks, developing schedules, managing spend

  • Experience leading multiple, concurrent projects

  • Experience authoring technical documents or operating procedures

  • Ability to read drawings and specifications made to ASME standards

  • Experience with nuclear products and standards desired

  • Project Management experience desired

We are committed to transparency and equity in all of our people practices. The base salary range for this position, which is dependent upon experience, qualifications and skills, is estimated to be $103,200 to $129,000 per year.

#LI-Remote

Why Westinghouse?

Our benefits package is tailored to meet the diverse needs of our employees, while also promoting wellness and career growth. The following are representative of what we offer:

  • Comprehensive Medical benefits which could include medical, dental, vision, prescription coverage and Health Savings Account (HSA) with employer contributions options

  • Wellness Programs designed to support employees in maintaining their health and well-being including Employee Assistance Program providing support for our employees and their household members

  • 401(k) with Company Match Contributions to support employees' retirement

  • Paid Vacations and Company Holidays

  • Opportunities for Flexible Work Arrangements to promote work-life balance

  • Educational Reimbursement and Comprehensive Career Programs to help employees grow in their careers

  • Global Recognition and Service Programs to celebrate employee accomplishments and service

  • Employee Referral Program

Westinghouse Electric Company is the global nuclear energy industry's first choice for safe, clean, and efficient energy solutions. We enable our delivery of this vision by living our value system:

  • Safety and Quality

  • Integrity and Trust

  • Customer Focus and Innovation

  • Speed and Passion to Win

  • Teamwork and Accountability

While our Global Headquarters are located in Cranberry Township, PA, we have over 11,000 employees working at locations in 19 different countries. You can learn more by visiting http://www.westinghousenuclear.com.

Westinghouse is an Equal Opportunity Employer including Veterans and Individuals with Disabilities

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