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Performance Test Engineer Jobs in Connecticut (NOW HIRING)

Avani Technology Solutions, Inc.

Test Engineer - MRT

CT · On-site

Test Engineer - MRT Newtown & Stanford, CT 1 year No C2C at this moment, any visa is okay. Thanks! Top 3 Skills • Strong communication skills, up to and including with executive level client staff ...

Microchip Technology

Engineer II - Test

Simsbury, CT · On-site

We are looking for a Test Engineer II to design, program, validate, and document automated test ... Voltage Controlled SAW Oscillators (VCSO) with exceptionally low phase noise performance.

Deloitte

Performance Tester

Stamford, CT

Analyze test results to identify performance bottlenecks and areas for improvement. * Collaborate with developers and system administrators to troubleshoot and resolve performance issues. * Monitor ...

Deloitte

Performance Tester

Hartford, CT · On-site

Analyze test results to identify performance bottlenecks and areas for improvement. * Collaborate with developers and system administrators to troubleshoot and resolve performance issues. * Monitor ...

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How much do performance test engineer jobs pay per hour?

As of Jun 11, 2026, the average hourly pay for performance test engineer in Connecticut is $44.31, according to ZipRecruiter salary data. Most workers in this role earn between $33.17 and $56.25 per hour, depending on experience, location, and employer.

What Is the Job of a Performance Test Engineer?

A performance test engineer conducts testing during the entire lifecycle process of software development to ensure an efficient and satisfactory outcome. As a performance test engineer, your primary responsibilities include providing extensive troubleshooting and offering recommendations to fix technical issues. Your duties involve running tests on capacity, endurance, scenarios, stress, and performance, and designing a test system to simulate traffic loads. You monitor application operations, analyze memory usage, generate graphs, identify potential problems, and prepare detailed status reports.

What are some common challenges faced by Performance Test Engineers when working on large-scale applications?

Performance Test Engineers working on large-scale applications often encounter challenges such as accurately simulating real-world user loads, identifying performance bottlenecks in complex systems, and ensuring tests reflect production environments. Coordinating with development and operations teams to set up realistic test data and environments can also be demanding. Additionally, interpreting and communicating test results to stakeholders requires strong analytical and communication skills to drive meaningful improvements.

What does a Performance Test Engineer do?

A Performance Test Engineer is responsible for evaluating the speed, responsiveness, and stability of software applications under various workloads. They design and execute test plans to identify bottlenecks, ensure systems perform well under expected and peak traffic, and recommend improvements. Their work helps ensure that applications deliver a smooth and reliable experience to end users, even in high-demand situations. Performance Test Engineers often use specialized tools to simulate large numbers of users and analyze system behavior.

What is the difference between Performance Test Engineer vs QA Tester?

AspectPerformance Test EngineerQA Tester
Primary FocusEvaluating system performance, load, and scalabilityVerifying overall software quality and functionality
Skills & CertificationsPerformance testing tools (JMeter, LoadRunner), scripting, performance analysisManual and automated testing, bug tracking, test case design
Work EnvironmentPerformance labs, testing environments, scriptingDevelopment, testing, and user environments
Industry UsageIT, software development, telecomIT, software, manufacturing, healthcare

While both roles are essential in software quality assurance, the Performance Test Engineer specializes in assessing system performance under load, whereas the QA Tester focuses on overall functionality and defect detection. Understanding these differences helps employers and professionals align skills with job requirements.

What are the key skills and qualifications needed to thrive as a Performance Test Engineer, and why are they important?

To thrive as a Performance Test Engineer, you need expertise in software testing methodologies, performance analysis, and scripting languages, often supported by a degree in computer science or related fields. Familiarity with tools such as JMeter, LoadRunner, or Gatling, and experience with monitoring systems and cloud platforms are commonly required. Strong analytical thinking, attention to detail, and effective communication skills set top performers apart in this role. These competencies are crucial for accurately identifying performance bottlenecks, ensuring system reliability, and collaborating across development teams.
More about Performance Test Engineer jobs
What are popular job titles related to Performance Test Engineer jobs in CT? For Performance Test Engineer jobs in CT, the most frequently searched job titles are:
Performance Test Engineer jobs near you
Infographic showing various Performance Test Engineer job openings in Connecticut as of June 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 100% In-person job distribution, with an average salary of $92,165 per year, or $44.3 per hour.

Quantum Engineer II, Device Test & Measurement

D-Wave Quantum

New Haven, CT • On-site

Full-time

Posted 20 days ago

Job description

D-Wave (NYSE: QBTS), D-Wave is a leader in the development and delivery of quantum computing systems, software, and services. We are the world's first commercial supplier of quantum computers, and the only company building both annealing and gate-model quantum computers. Our mission is to help customers realize the value of quantum, today. Our quantum computers - the world's largest - feature QPUs with sub-second response times and can be deployed on-premises or accessed through our quantum cloud service, which offers 99.9% availability and uptime. More than 100 organizations trust D-Wave with their toughest computational challenges. With over 200 million problems submitted to our quantum systems to date, our customers apply our technology to address use cases spanning optimization, artificial intelligence, research and more. Learn more about realizing the value of quantum computing today and how we're shaping the quantum-driven industrial and societal advancements of tomorrow: www.dwavequantum.com.
You can read more about our company and our innovations in the pages of The Wall Street Journal, Time Magazine, Fast Company, MIT Technology Review, Forbes, Inc. Magazine, Wired and across many whitepapers.
At D-Wave, we're helping customers realize the value of quantum computing today and are shaping the quantum-driven industrial and societal advancements of tomorrow.
About the role
D-Wave is seeking a talented and self-motivated Quantum Engineer II to join our Advance Device Development group. In this role, you will develop and execute measurements for advanced quantum device characterization, analyze device performance data, and support the validation of new device concepts. You will improve experimental workflows, contribute to experiment automation and data-analysis capabilities, and collaborate with cross-functional teams to provide feedback into device-development cycles.
What you'll do
  • Design and perform microwave, electrical, and cryogenic measurements
  • Maintain and optimize cryogenic and measurement systems, including associated workflows, to improve performance, reliability, and efficiency
  • Develop and execute experiments for device characterization and validation
  • Perform data analysis to identify device performance characteristics and key contributing factors
  • Develop and maintain experiment automation and data-analysis pipelines
  • Identify procedure or tool issues and help implement practical improvements
  • Collaborate with cross-functional teams to support device evaluation and provide experimental feedback into development cycles
  • Maintain well-organized documentation of methods, results, and datasets

About You
  • M.Sc. and/or 2 years of relevant experience; or PhD in physics, electrical engineering, or related field
  • Experience with superconducting quantum devices, device physics, and measurement techniques
  • Experience in DC/RF measurements and cryogenic systems
  • Proficiency in scientific programming for instrument control, data acquisition, analysis, and automation
  • Ability to analyze data, troubleshoot technical issues, and identify practical solutions
  • Strong written and verbal scientific communication skills
  • Strong teamwork skills in interdisciplinary physics and engineering environments

A D-Waver's DNA
  • We look at the future and say "why not"; we see possibilities where others see problems or routines. We show the way ahead and are committed to achieving ambitious goals.
  • We practice straight talk and listen generously to each other with empathy. We value different opinions and points of views. We ensure that we connect outside as well as inside to learn from others and inspire each other.
  • We hold ourselves accountable for delivering results. We make decisions & take responsibility so that we can act & support each other.
  • As leaders we motivate & engage our teams to undertake beyond what they originally thought possible, by developing our teams & creating the conditions for people to grow and empower themselves through enabling & coaching.

Our Compensation Philosophy is Simple but Powerful:
We believe providing D-Wavers with company ownership, competitive pay, and a range of meaningful benefits is the start of creating a culture where people want to give the best they've got - not because they're simply making money, but because they've fallen in love with our vision, mission, values, and team.
During the interview process, your Recruiter will review our total rewards (base, equity, bonus, perks, benefit, culture) offerings. The final offer is determined by your proficiencies within this level.
Inclusion:
We celebrate diverse perspectives to drive innovation in our pursuit. Our employees range from distinguished domain experts with decades of experience in their respective fields, to bright and motivated graduates eager to make their mark. Our diverse and innovative team will make you feel appreciated, supported and empower your career growth at D-Wave.
The Fine Print:
No 3rd party candidates will be accepted
It is D-Wave Systems Inc. policy to provide equal employment opportunity (EEO) to all persons regardless of race, color, religion, sex, national origin, age, sexual orientation, gender identity, genetic information, physical or mental disability, protected veteran status, or any other characteristic protected by federal, state/provincial, local law.
The base pay range for this role is:
$86,800 - 130,300 USD (New Haven)

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