Elgin, IL · On-site
$90K - $110K/yr
Title: Senior Quality Engineer Location: Elgin Shift: 1st Shift Hire Type: Direct Hire Pay Rate ... performance and customer satisfaction. If you're looking to step into a leadership-driven ...
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Elgin, IL · On-site
$90K - $110K/yr
Title: Senior Quality Engineer Location: Elgin Shift: 1st Shift Hire Type: Direct Hire Pay Rate ... performance and customer satisfaction. If you're looking to step into a leadership-driven ...
Chicago, IL · On-site
$74 - $148/hr
PTO
Senior AI Engineer 1About Crowe Studio Crowe Studio is a business unit dedicated to helping clients ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Chicago, IL · On-site
$74 - $148/hr
PTO
Senior AI Engineer 1About Crowe Studio Crowe Studio is a business unit dedicated to helping clients ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Chicago, IL · On-site
$107K - $147K/yr
PTO
Senior AI Engineer 1 About Crowe Studio Crowe Studio is a business unit dedicated to helping ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Chicago, IL · On-site
$107K - $147K/yr
PTO
Senior AI Engineer 1 About Crowe Studio Crowe Studio is a business unit dedicated to helping ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Oakbrook Terrace, IL · On-site +1
$105K - $144K/yr
PTO
Senior AI Engineer 1 About Crowe Studio Crowe Studio is a business unit dedicated to helping ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Oakbrook Terrace, IL · On-site +1
$105K - $144K/yr
PTO
Senior AI Engineer 1 About Crowe Studio Crowe Studio is a business unit dedicated to helping ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Chicago, IL · On-site +1
$107K - $147K/yr
PTO
Senior AI Engineer 1 About Crowe Studio Crowe Studio is a business unit dedicated to helping ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Chicago, IL · On-site +1
$107K - $147K/yr
PTO
Senior AI Engineer 1 About Crowe Studio Crowe Studio is a business unit dedicated to helping ... Optimize performance across all stages of model lifecycle, including preprocessing, training, and ...
Job Summary: The Senior RF Engineer will perform a team leader role in RF wireless network ... The primary function involves RF Design for new sites, RF Optimization and performance engineering ...
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Job Summary: The Senior RF Engineer will perform a team leader role in RF wireless network ... The primary function involves RF Design for new sites, RF Optimization and performance engineering ...
Job Summary: The Senior RF Engineer will perform a team leader role in RF wireless network ... The primary function involves RF Design for new sites, RF Optimization and performance engineering ...
Quick apply
Job Summary: The Senior RF Engineer will perform a team leader role in RF wireless network ... The primary function involves RF Design for new sites, RF Optimization and performance engineering ...
Downers Grove, IL · Hybrid
$104K - $137K/yr
Medical
Dental
Vision
Retirement
Title: Senior Mechanical Engineer Location: Downers Grove, IL (Must be in office 5 days a week ... leading performance-based bonus program and a culture that values community impact through ...
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Downers Grove, IL · Hybrid
$104K - $137K/yr
Medical
Dental
Vision
Retirement
Title: Senior Mechanical Engineer Location: Downers Grove, IL (Must be in office 5 days a week ... leading performance-based bonus program and a culture that values community impact through ...
Chicago, IL · On-site
$100K - $135K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Description Sr. Electrical Engineer Contribute your expertise, skills, and experience as an Senior ... Performance bonuses * HSA & HRA * Transit program * Parental and maternity leave * Supportive ...
Chicago, IL · On-site
$100K - $135K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Description Sr. Electrical Engineer Contribute your expertise, skills, and experience as an Senior ... Performance bonuses * HSA & HRA * Transit program * Parental and maternity leave * Supportive ...
Chicago, IL · On-site
$100K - $135K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Sr. Electrical Engineer Contribute your expertise, skills, and experience as an Senior Electrical ... Performance bonuses * HSA & HRA * Transit program * Parental and maternity leave * Supportive ...
Chicago, IL · On-site
$100K - $135K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Sr. Electrical Engineer Contribute your expertise, skills, and experience as an Senior Electrical ... Performance bonuses * HSA & HRA * Transit program * Parental and maternity leave * Supportive ...
Burr Ridge, IL · Hybrid
$85K - $106K/yr
Medical
Dental
Vision
Retirement
PTO
About the role: As a Senior Nuclear Engineer - Safety Analysis with Westinghouse Fauske ... Support thermal hydraulic analysis for system performance, water hammer, and other thermal ...
Burr Ridge, IL · Hybrid
$85K - $106K/yr
Medical
Dental
Vision
Retirement
PTO
About the role: As a Senior Nuclear Engineer - Safety Analysis with Westinghouse Fauske ... Support thermal hydraulic analysis for system performance, water hammer, and other thermal ...
Chicago, IL · On-site
$100K - $135K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Description: Sr. Electrical Engineer Contribute your expertise, skills, and experience as an Senior ... Performance bonuses * HSA & HRA * Transit program * Parental and maternity leave * Supportive ...
Quick apply
Chicago, IL · On-site
$100K - $135K/yr
Medical
Dental
Vision
Life
Retirement
PTO
Description: Sr. Electrical Engineer Contribute your expertise, skills, and experience as an Senior ... Performance bonuses * HSA & HRA * Transit program * Parental and maternity leave * Supportive ...
Downers Grove, IL · On-site
$122K - $161K/yr
Medical
Dental
Vision
Retirement
PTO
As a Senior Software Engineer, you will be involved in all aspects of the design, architecture ... Ensure solutions meet performance, reliability, and business expectations 2. Drive modernization ...
Downers Grove, IL · On-site
$122K - $161K/yr
Medical
Dental
Vision
Retirement
PTO
As a Senior Software Engineer, you will be involved in all aspects of the design, architecture ... Ensure solutions meet performance, reliability, and business expectations 2. Drive modernization ...
Downers Grove, IL · On-site
$122K - $161K/yr
Medical
Dental
Vision
Retirement
PTO
As a Senior Software Engineer, you will be involved in all aspects of the design, architecture ... Ensure solutions meet performance, reliability, and business expectations 2. Drive modernization ...
Downers Grove, IL · On-site
$122K - $161K/yr
Medical
Dental
Vision
Retirement
PTO
As a Senior Software Engineer, you will be involved in all aspects of the design, architecture ... Ensure solutions meet performance, reliability, and business expectations 2. Drive modernization ...
Downers Grove, IL · On-site
$122K - $161K/yr
Medical
Dental
Vision
Retirement
PTO
As a Senior Software Engineer, you will be involved in all aspects of the design, architecture ... Ensure solutions meet performance, reliability, and business expectations 2. Drive modernization ...
Downers Grove, IL · On-site
$122K - $161K/yr
Medical
Dental
Vision
Retirement
PTO
As a Senior Software Engineer, you will be involved in all aspects of the design, architecture ... Ensure solutions meet performance, reliability, and business expectations 2. Drive modernization ...
Evanston, IL · On-site
$101K - $138K/yr
Medical
Dental
Vision
Life
Retirement
PTO
The Senior Data Engineer will design, develop, and scale enterprise data infrastructure that ... Monitor, troubleshoot, and continuously improve data platform performance, reliability, scalability ...
Evanston, IL · On-site
$101K - $138K/yr
Medical
Dental
Vision
Life
Retirement
PTO
The Senior Data Engineer will design, develop, and scale enterprise data infrastructure that ... Monitor, troubleshoot, and continuously improve data platform performance, reliability, scalability ...
Chicago, IL · On-site
$107K - $147K/yr
Senior .NET Engineer with AWS Location: Dallas, TX or Chicago, IL (Onsite 4 days/week) ⏳ Duration ... Performance tuning * Data analysis and manipulation * Experience with middleware, APIs, and service ...
Quick apply
Chicago, IL · On-site
$107K - $147K/yr
Senior .NET Engineer with AWS Location: Dallas, TX or Chicago, IL (Onsite 4 days/week) ⏳ Duration ... Performance tuning * Data analysis and manipulation * Experience with middleware, APIs, and service ...
Downers Grove, IL · On-site
$135 - $145/hr
Medical
Retirement
PTO
Senior Engineer, Invest TechSkip to main contentWe and third parties use cookies and similar ... high-performance solutions that support both technology-owned platforms and business-driven ...
Downers Grove, IL · On-site
$135 - $145/hr
Medical
Retirement
PTO
Senior Engineer, Invest TechSkip to main contentWe and third parties use cookies and similar ... high-performance solutions that support both technology-owned platforms and business-driven ...
$95K - $140K/yr
Responsibilities The Senior Software Engineer is a highly capable individual contributor who ... Ability to leverage metrics, logs, and analytics to evaluate system performance, inform decisions ...
New
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$95K - $140K/yr
Responsibilities The Senior Software Engineer is a highly capable individual contributor who ... Ability to leverage metrics, logs, and analytics to evaluate system performance, inform decisions ...
New
Downers Grove, IL · Hybrid
$104K - $137K/yr
Medical
Dental
Vision
Retirement
Senior Mechanical Engineer Location: Downers Grove, IL Hire Type: Direct Hire - in office 5 days a ... Industry-leading performance-based bonus program * Employee Stock Ownership Plan (ESOP)
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Downers Grove, IL · Hybrid
$104K - $137K/yr
Medical
Dental
Vision
Retirement
Senior Mechanical Engineer Location: Downers Grove, IL Hire Type: Direct Hire - in office 5 days a ... Industry-leading performance-based bonus program * Employee Stock Ownership Plan (ESOP)
$59.1K - $70.3K
1% of jobs
$70.3K - $81.5K
3% of jobs
$81.5K - $92.7K
7% of jobs
$103.7K is the 25th percentile. Wages below this are outliers.
$92.7K - $103.9K
14% of jobs
$103.9K - $115.1K
17% of jobs
The median wage is $119.8K / yr.
$115.1K - $126.3K
19% of jobs
$126.3K - $137.5K
13% of jobs
$138.9K is the 75th percentile. Wages above this are outliers.
$137.5K - $148.7K
11% of jobs
$148.7K - $159.9K
7% of jobs
$159.9K - $171.1K
5% of jobs
$171.1K - $182.3K
3% of jobs
$59.1K
$125.7K
$182.3K
To thrive as a Senior Performance Engineer, expertise in performance analysis, capacity planning, and system optimization—often backed by a degree in computer science or a related field—is crucial. Familiarity with tools such as LoadRunner, JMeter, APM solutions, profiling tools, and relevant certifications like CPPE or PMP are highly beneficial. Strong problem-solving, collaboration, and clear communication skills are vital for identifying bottlenecks and working closely with cross-functional teams. These combine to ensure robust system performance, user satisfaction, and reliable application scalability in demanding technical environments.
A Senior Performance Engineer typically oversees performance testing cycles, analyzes system metrics, and collaborates with development and operations teams to diagnose and resolve performance issues. Daily tasks often include designing and executing test plans, monitoring application behavior under load, and recommending improvements for scalability and efficiency. They also participate in code reviews and architectural discussions to identify potential bottlenecks early in the development cycle. Consistent communication with both technical and non-technical stakeholders is key, ensuring that performance goals align with business objectives.
A Senior Performance Engineer is responsible for optimizing the performance, scalability, and reliability of software applications and systems. They analyze performance metrics, conduct load and stress testing, identify bottlenecks, and work with development teams to implement improvements. This role requires expertise in profiling tools, performance tuning, and system architecture to ensure optimal user experience. Additionally, they may establish best practices for performance testing and contribute to overall system design decisions.
$90K - $110K/yr
Full-time
Re-posted 14 days ago
