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Performance Engineer Jobs in Connecticut (NOW HIRING)

LiquidPiston

Engine Performance Engineer

Suffield, CT · On-site

Senior Engineer - Performance & Calibration This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026. About LiquidPiston:

LiquidPiston

Senior Engine Performance Engineer

Suffield, CT · On-site

$101K - $139K/yr

Senior Engine Performance Engineer This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.​​​​​ About LiquidPiston:

Staffingine LLC

Performance test Lead

Danbury, CT · On-site

Contract * 10-12 years of experience in performance testing and engineering * Expertise in tools such as LoadRunner JMeter NeoLoad Gatling or similar * Strong knowledge of APM tools like Dynatrace ...

CT United FC

Performance Specialist

Bridgeport, CT · On-site

Extensive knowledge and experience in the implementation of strength and conditioning programming for athletes * Preferred experience with analyzing data pertaining to player health and performance ...

CT United FC

Performance Specialist

Bridgeport, CT

Extensive knowledge and experience in the implementation of strength and conditioning programming for athletes * Preferred experience with analyzing data pertaining to player health and performance ...

CT United

Performance Specialist

Bridgeport, CT · On-site

Extensive knowledge and experience in the implementation of strength and conditioning programming for athletes * Preferred experience with analyzing data pertaining to player health and performance ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered ...

subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered ...

subway

Testing and Automation Engineer

Shelton, CT · On-site

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered ...

subway

Testing and Automation Engineer

Shelton, CT

$102K - $128K/yr

Utilize performance engineering tooling (e.g., JMeter, Gatling, k6, Locust). * Leverage AI-assisted tools for test case generation, test data creation, and test coverage analysis. Apply AI-powered ...

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Showing results 1-20

All JobsPerformance Engineer JobsPerformance Engineer Jobs in Connecticut

Performance Engineer information

See Connecticut salary details

$10

$57

$93

How much do performance engineer jobs pay per hour?

As of Jul 28, 2026, the average hourly pay for performance engineer in Connecticut is $57.18, according to ZipRecruiter salary data. Most workers in this role earn between $46.88 and $64.71 per hour, depending on experience, location, and employer.

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

AspectPerformance EngineerSoftware Test Engineer
Primary FocusOptimizing system performance, load testing, scalabilityFunctional testing, bug identification, feature validation
Required SkillsPerformance testing tools, scripting, system analysisTest case design, automation, defect tracking
Work EnvironmentDevelopment teams, QA, DevOpsQA teams, development teams
CertificationsPerformance testing certifications (e.g., JMeter, LoadRunner)ISTQB, software testing certifications

Performance Engineers focus on system performance, scalability, and load testing, ensuring applications run efficiently under stress. Software Test Engineers primarily verify functionality and identify bugs. While both roles require testing skills, Performance Engineers specialize in performance metrics and optimization, making their roles complementary but distinct.

What jobs make $1,000,000 per year?

Performance engineers typically do not earn $1,000,000 annually; such high salaries are more common in executive roles, successful entrepreneurs, or highly specialized positions in finance, technology, or consulting. Top-tier executives, founders, and certain investment professionals can reach or exceed this income level, often through bonuses, stock options, or profit sharing. Performance engineering roles generally offer competitive salaries but rarely reach the million-dollar mark without additional compensation components or equity.

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

To thrive as a Performance Engineer, you need strong analytical abilities, a solid understanding of software architecture, and experience with load testing and profiling, often supported by a degree in computer science or a related field. Familiarity with tools such as JMeter, LoadRunner, New Relic, and monitoring systems, as well as scripting languages, is typically required. Excellent problem-solving, attention to detail, and effective communication skills help distinguish top performers in this role. These skills and qualities are crucial for identifying system bottlenecks, optimizing performance, and ensuring a seamless user experience.

What engineers make $500,000 a year?

Performance engineers, especially those in senior or specialized roles with extensive experience, advanced skills in testing and optimization, and certifications, can earn salaries approaching or exceeding $500,000 annually. Such compensation often includes bonuses, stock options, or profit sharing, particularly in high-demand industries like technology and finance. Achieving this level typically requires a combination of technical expertise, leadership, and a track record of delivering significant performance improvements.

What engineers make 200,000 a year?

Performance engineers, along with software engineers, data engineers, and certain specialized roles in technology companies, can earn $200,000 or more annually, especially with experience, advanced skills, and certifications. High salaries are often associated with senior positions, leadership roles, or those working in competitive tech markets and industries requiring expertise in performance optimization, cloud infrastructure, or large-scale systems.

What do performance engineers do?

Performance engineers analyze and optimize the speed, scalability, and reliability of software systems. They use tools like load testing and monitoring to identify bottlenecks and ensure applications meet performance requirements, often working closely with development and QA teams. Strong knowledge of scripting, performance testing tools, and system architecture is essential for this role.

What is a Performance Engineer?

A Performance Engineer is a professional who ensures that software applications and systems run efficiently and meet performance requirements. They analyze, test, and optimize system performance by identifying bottlenecks, conducting load and stress testing, and recommending improvements. Performance Engineers work closely with development and operations teams to ensure that applications can handle expected user loads and deliver a smooth user experience. Their work is crucial in preventing slowdowns, crashes, and other performance-related issues in production environments.

What Is Performance Engineering?

Performance engineering is the development of software solutions for specific business problems. As a performance engineer, your responsibilities are to identify issues, whether for a particular company or an industry, and develop software that directly addresses them. To become a performance engineer, you need a bachelor’s degree in computer science or computer engineering, two to five years of information technology (IT) work experience, and excellent problem solving skills. Organizations like HyPerformix offer professional certifications, like their Enterprise Performance Engineering program, which can significantly boost your qualifications. Your additional job duties include performing routine maintenance and service, experimenting with possible solutions in the test environment, and monitoring system performance.

What are some common challenges Performance Engineers face when optimizing complex systems?

Performance Engineers often encounter challenges such as identifying bottlenecks in multi-tiered or distributed systems, balancing trade-offs between speed and resource consumption, and ensuring that performance improvements do not compromise system reliability. They frequently work with cross-functional teams, requiring strong communication skills to translate technical findings into actionable recommendations. Staying up-to-date with evolving tools and best practices is also essential, as technology stacks and performance benchmarks continually change.
More about Performance Engineer jobs
What are the most commonly searched types of Performance Engineer jobs in Connecticut? The most popular types of Performance Engineer jobs in Connecticut are:
What are popular job titles related to Performance Engineer jobs in Connecticut? For Performance Engineer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Performance Engineer jobs in Connecticut look for? The top searched job categories for Performance Engineer jobs in Connecticut are:
What are popular job titles related to Performance Engineer jobs in CT? For Performance Engineer jobs in CT, the most frequently searched job titles are:
Performance Engineer jobs near you
Infographic showing various Performance Engineer job openings in Connecticut as of July 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $118,929 per year, or $57.2 per hour.
Engine Performance Engineer

Engine Performance Engineer

LiquidPiston, Inc.

Suffield, CT • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 10 days ago

Job description

Senior Engineer - Performance & Calibration
This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.
About LiquidPiston:
LiquidPiston is redefining the internal combustion engine through its innovative rotary X-engine architecture. Our mission is to deliver compact, fuel-efficient, high power-density engines for a wide range of applications. We are seeking a highly motivated Senior Engineer - Performance & Calibration to help bring our advanced rotary engines to production.
Position Summary:
As Senior Engineer - Performance & Calibration you will be a key contributor to engine performance development activities aimed at bringing LiquidPiston's rotary engines to production. You will work closely within a team of Test Engineers, Technicians, and Performance Engineers as you develop engine calibration strategies and methodologies to meet performance targets. In addition, you will collaborate with Chief Engineers, Design Engineers, and other cross-functional team members to help define critical data and insights needed to inform engine architecture and design decisions.
A broad range of experience and skills, along with the ability to adapt quickly from one task to another, will be essential for success. This role places strong emphasis on engine calibration supported by deep knowledge of engine performance, efficiency, testing, and data analysis. The position requires a solid foundation in thermal sciences and engineering principles, and the ability to work collaboratively with analysts using tools such as GT Power and combustion CFD platforms. You will also contribute to continuous improvement initiatives aimed at increasing the efficiency and effectiveness of simulation and development work.
Responsibilities:
  • Perform engine calibration to meet targets for power, efficiency, emissions, transient response, and off-nominal operating conditions.
  • Develop efficient processes and methods for engine calibration tailored to the rotary X-engine platform.
  • Document and communicate results of calibration efforts clearly and effectively.
  • Design and execute engine test plans for performance development, including analysis and reporting of results.
  • Collaborate with analysts running GT Power, combustion CFD, or other simulation tools to support holistic, model-based development approaches.
  • Work closely with cross-functional design and test teams to drive engine improvements and support design decisions.
  • Develop and follow standardized test and calibration procedures specific to LiquidPiston's engine architecture.
  • Contribute to continuous improvement efforts that enhance testing efficiency, simulation accuracy, and overall development effectiveness.
  • Stay current with emerging engine technologies, calibration strategies, and simulation tools through self-directed learning and formal training.
Requirements:
  • PhD or MS in Mechanical Engineering (BS with significant relevant experience will also be considered).
  • Strong grasp of thermodynamics, physics, combustion, and engine efficiency principles.
  • Demonstrated engine testing and calibration experience.
  • Proficiency with MATLAB, CAN communication tools, Python, or other scripting languages.
  • Strong problem-solving and analytical skills.
  • Strong team player with the ability to be self-directed in a fast-paced development environment.
Beneficial:
  • Experience with simulation tools including GT Power, CONVERGE, and ANSYS Fluent.
  • Familiarity with optimization methods, especially as applied to engine development and calibration.
Benefits & Perks:
  • Flexible PTO: We value work-life balance and encourage time to rest and recharge.
  • Health & Wellness: Comprehensive medical, dental, and vision coverage. You choose what works best for you.
  • Equity Participation: Permanent employees receive RSUs to share in our success.
  • 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5%
  • Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.
Our Culture:
At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk and we're not afraid to fail forward.
Equal Opportunity Employer:
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
All offers of employment at LiquidPiston are contingent upon the successful completion of a pre-employment background check and drug screening.

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