Mid Level Performance Engineer Jobs
Mid level performance engineer jobs go to engineers ready to own end-to-end optimization work, drive architectural decisions with limited oversight, and mentor the engineers around them. Openings run heavily remote and hybrid across Technology & Software, Electronics & Hardware, and Science & Research, with employers like Apple, NVIDIA, and OpenAI hiring at this level now.
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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 support the fabrication of structural and mechanical components from supplier facilities.
You will report to the Large Structures, SPx Manager and be located onsite at one of our supplier locations in Ingleside, TX, Alma, MI, or Vancouver, WA. No relocation will be provided for this position.
Key Responsibilities:
- Perform on-site supplier oversight to ensure Westinghouse technical and quality requirements are achieved.
- Develop and implement Supplier Oversight Plans to lead completion of critical document submittals, manufacturing activities, surveillance (witness and hold) points, inspections, and tests and ensure vendor compliance with critical requirements.
- Coordinate activities of Westinghouse functions responsible for driving supplier performance including Supply Chain (buyers and category managers), Design Engineering, and Supplier Quality Oversight.
- Identify and escalate supplier issues, risk, and quality events.
- Guide prompt resolution of issues by coordinating activities, issuing communications, and identifying partners to ensure prompt identification of impacted products, disposition of issues, and implementation of corrective action.
- Monitor main supplier performance metrics (Quality issues, Deviation Notices) for assigned suppliers to identify negative performance trends and implement causal analysis, corrective actions, and Supplier Improvement Plans to reduce issues.
- Evaluate procurement (supplier) risk, soliciting partner input, and using resources to develop security of supply risk mitigation plans.
- Manage internal and external (supplier) corrective action requests, performing cause analyses and verifying completion of preventative and corrective actions.
Qualifications
- Bachelors degree in Engineering.
- 5+ years of experience in engineering/manufacturing.
- Experience in the Power Generation, Nuclear, or other highly regulated industries.
- Knowledge in manufacturing processes, e.g. precision machining (turning, milling), welding, forming, mechanical assembly, NDE and inspection, and testing.
- Experience performing process capability analysis (Cpk) and qualification.
- Working knowledge of Manufacturing and Quality Plans, PFMEAs, etc.
- Ability to read drawings and specifications made to ASME standards.
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-Onsite
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
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 support the fabrication of structural and mechanical components from supplier facilities.
You will report to the Large Structures, SPx Manager and be located onsite at one of our supplier locations in Ingleside, TX, Alma, MI, or Vancouver, WA. No relocation will be provided for this position.
Key Responsibilities:
- Perform on-site supplier oversight to ensure Westinghouse technical and quality requirements are achieved.
- Develop and implement Supplier Oversight Plans to lead completion of critical document submittals, manufacturing activities, surveillance (witness and hold) points, inspections, and tests and ensure vendor compliance with critical requirements.
- Coordinate activities of Westinghouse functions responsible for driving supplier performance including Supply Chain (buyers and category managers), Design Engineering, and Supplier Quality Oversight.
- Identify and escalate supplier issues, risk, and quality events.
- Guide prompt resolution of issues by coordinating activities, issuing communications, and identifying partners to ensure prompt identification of impacted products, disposition of issues, and implementation of corrective action.
- Monitor main supplier performance metrics (Quality issues, Deviation Notices) for assigned suppliers to identify negative performance trends and implement causal analysis, corrective actions, and Supplier Improvement Plans to reduce issues.
- Evaluate procurement (supplier) risk, soliciting partner input, and using resources to develop security of supply risk mitigation plans.
- Manage internal and external (supplier) corrective action requests, performing cause analyses and verifying completion of preventative and corrective actions.
Qualifications
- Bachelors degree in Engineering.
- 5+ years of experience in engineering/manufacturing.
- Experience in the Power Generation, Nuclear, or other highly regulated industries.
- Knowledge in manufacturing processes, e.g. precision machining (turning, milling), welding, forming, mechanical assembly, NDE and inspection, and testing.
- Experience performing process capability analysis (Cpk) and qualification.
- Working knowledge of Manufacturing and Quality Plans, PFMEAs, etc.
- Ability to read drawings and specifications made to ASME standards.
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-Onsite
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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Find JobsMid Level Performance Engineer Job Market
Who's Hiring
- Apple13
- NVIDIA9
- OpenAI4
- Amazon Web Services4
- Amazon3
Top Industries Hiring
- Technology & Software22
- Electronics & Hardware19
- Science & Research6
- Distribution & Wholesale6
- Consulting & Professional Services5
Mid Level Performance Engineer Jobs: Frequently Asked Questions
How do I get a mid level performance engineer job?
Position your experience around concrete ownership: systems you profiled and improved, bottlenecks you diagnosed independently, and results you can quantify in latency, throughput, or error rates. Highlight comfort with APM tooling, load testing frameworks, and cross-team collaboration. Recruiters at this level want engineers who can scope a performance investigation and close it without handholding, so lead your resume with specific impact rather than task lists.
Which companies hire mid level performance engineers?
Companies hiring mid level performance engineers right now include Apple, NVIDIA, and OpenAI, based on current listings on Migrate Mate as of August 2026. Hiring at this level covers large product companies building at scale, financial services firms with strict latency requirements, and software vendors where performance directly affects customer retention.
Are there remote mid level performance engineer jobs?
Yes, and remote availability at this level is strong. About 35% of mid level performance engineer openings are remote or hybrid as of August 2026, reflecting how distributed engineering teams have normalized for this kind of individual-contributor, tools-heavy work. Filtering by work setting on Migrate Mate lets you see only the arrangements that fit your situation.
How do I move up to a mid level performance engineer role?
The path from entry level centers on building measurable depth over time: moving from running tests someone else designed to owning the full performance testing strategy for a feature or service. Engineers who get there have typically taken on progressively broader scopes, documented their findings in ways that influenced engineering decisions, and demonstrated that they can correlate infrastructure metrics with user-facing outcomes without being guided step by step.
Which industries hire the most mid level performance engineers?
Mid Level performance engineer roles concentrate in Technology & Software, Electronics & Hardware, and Science & Research, based on current listings on Migrate Mate as of August 2026. These sectors share a common driver: user-facing systems where degraded performance has a direct, measurable cost, whether in lost transactions, churn, or SLA penalties, making performance engineering a sustained hiring priority rather than a project-based need.