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Performance Engineer Jobs in Connecticut (NOW HIRING)

Software Engineer AI/ML

Norwalk, CT · On-site

$114K - $138K/yr

We're looking for an AI Engineer to help transform GE Aerospace operational data into production ... Implement monitoring and observability for AI/ML systems to track model performance, data drift ...

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Engineering Manager

New Haven, CT · On-site

$100K - $150K/yr

... Tech through Engineer 3). * Conduct regular performance evaluations and establish measurable growth plans. * Promote accountability, professionalism, and a culture of continuous improvement.

... network engineering, security, and application teams to provide root cause analysis and performance improvement recommendations. - Develop and maintain performance dashboards, metrics, and ...

Performance Logistics Analyst

Windsor, CT · On-site

$28.37 - $30.53/hr

Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry ... Report out on KPI and performance metrics What You Will Bring: * 1-3 years of relevant experience ...

Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry ... Report out on KPI and performance metrics What You Will Bring: * 1-3 years of relevant experience ...

Experience and understanding of in Production support and performance engineering. Qualifications Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider ...

Engineer

Stamford, CT · On-site

$70K - $75K/yr

... and performance optimization Collaborate with cross-functional teams (QA, DevOps, Business ... Contribute to cloud-based deployments using AWS/Azure and container platforms like Kubernetes ...

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Showing results 1-20

Performance Engineer information

See Connecticut salary details

$10

$57

$93

How much do performance engineer jobs pay per hour?

As of Jun 22, 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 engineer makes $500,000 a year?

Performance engineers or senior software engineers with extensive experience, specialized skills, and certifications can earn salaries approaching or exceeding $500,000 annually, especially in high-cost living areas or at top tech companies. Such roles often require expertise in performance optimization, large-scale systems, and advanced tools, along with leadership responsibilities.

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 is the work of performance engineer?

A performance engineer is responsible for analyzing, testing, and optimizing software and system performance to ensure reliability and efficiency. They use tools like load testing and monitoring software to identify bottlenecks and improve system scalability, often working closely with development and operations teams.

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 $300,000 a year?

Performance engineers, especially those with extensive experience, advanced skills in testing, automation, and performance tuning, can earn $300,000 or more annually in senior or specialized roles. High compensation often requires expertise with tools like LoadRunner or JMeter, relevant certifications, and work in competitive industries such as finance or technology. Salary levels vary based on location, company size, and individual expertise.

What do performance engineers do?

Performance engineers analyze and optimize software systems to ensure they meet performance requirements, such as speed, scalability, and stability. They use tools like load testing and monitoring software to identify bottlenecks and improve system efficiency, 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.
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:
Infographic showing various Performance Engineer job openings in Connecticut as of June 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.
Lead Engineer, LNG Maintenance

Lead Engineer, LNG Maintenance

Eversource Energy

Waterbury, CT • On-site

$104K - $138K/yr

Full-time

Posted 5 days ago


Eversource Energy rating

8.8

Company rating: 8.8 out of 10

Based on 65 frontline employees who took The Breakroom Quiz

6th of 50 rated energy and utility


Job description

Eversource will not offer immigration-related sponsorship for this position (e.g., H-1B, O-1, J-1, TN, E-3, etc.). Applicants requiring visa sponsorship to start employment with Eversource will not be considered.

The Lead Engineer is responsible for the execution of technical projects, supervision of staff, development of standards, multi-year planning, and technical support of LNG and LPG facilities. In addition, this position supports the LNG Operations group by assigning resources as necessary to support the evaluation of system failures, support plant maintenance, and development of technical procedures. Responsible for ensuring that the Eversource LNG and LPG facilities are designed and maintained to high quality standards that provide safe and reliable service. This position is responsible for supervising, assigning, prioritizing, and directing the work performed by Direct and Functional reports, including Engineers and Instrument Technicians.

The Lead Engineer is responsible for the execution of technical projects, supervision of staff, development of standards, multi-year planning, and technical support of LNG and LPG facilities. In addition, this position supports the LNG Operations group by assigning resources as necessary to support the evaluation of system failures, support plant maintenance, and development of technical procedures. Responsible for ensuring that the Eversource LNG and LPG facilities are designed and maintained to high quality standards that provide safe and reliable service. This position is responsible for supervising, assigning, prioritizing, and directing the work performed by Direct and Functional reports, including Engineers and Instrument Technicians.

Essential Functions:

  • Supervises, coaches, and develops staff; approves time and conducts performance reviews. Assigns, prioritizes, and directs work.
  • Oversight of the LNG/LPG departments CMMS program including setting direction for software selection and system implementation.
  • Designs systems or installations to fit the Company's objectives conforming to industry standards, guidelines, and regulations of federal, state, and local authorities.
  • This individual will be expected to have a high level of knowledge of LNG/LPG Plant Maintenance needs including: pumps, generators, compressors, tanks, vaporizers/heat exchangers, electrical switchgear, motor control centers, VFDs, actuated valves, transmitters, PLC and DCS systems.
  • Performs site layouts and prepares necessary documents for procurement, permitting and construction.
  • Specifies and procures materials and equipment. Coordinates in-house and contract labor.
  • Responsible for the cost and performance of projects.
  • Responsible for the development, justification, and approval of project approval documents.
  • Ensures that the design and specification of additions, modifications and replacements to equipment, and the preparation of permit applications, are completed accurately and on time.
  • Responsible for the development of preliminary engineering designs and the details, as necessary.
  • Collaborates with other Engineers within the group and greater Gas Business to ensure consistency and teamwork.
  • Reviews purchase requisitions, and invoices related to departmental activity. Monitors and provides reports on project and departmental budgets. Provides variances from scheduled and cost targets as required.
  • Coordinates construction activities with customers, contractors, States, Municipalities, and internal departments.
  • Assists junior staff and reviews their work.
  • Provides technical support and direction to operating areas relative to equipment performance, engineering guidelines, and operating decisions during normal and emergency situations.
  • Accountable for root-cause analysis, development, and implementation of corrective actions.
  • Responsible for the evaluation and selection of technology and equipment for the facilities.
  • Responsible for the development of standards and procedures for design, operation, and maintenance.
  • Provides support and oversees development of plant documents such as procedures and plant lists as needed.
  • Assumes the role of the Manager as required.

Technical Knowledge/Skill/Education/Licenses/Certifications:

Technical Knowledge/Skill:

  • Demonstrated problem-solving skills and attention-to-detail.
  • Strong knowledge of plant systems including, but not limited to; gas pretreatment, liquefaction, boil off gas handling, cryogenic tank storage, plant utilities, firewater, low and medium voltage electrical systems, and plant control systems.
  • Thorough knowledge of fundamental engineering disciplines, plant construction and maintenance work practices and procedures.
  • Knowledge of applicable governmental codes and regulations.
  • Strong understanding of LNG/LPG regulatory compliance maintenance requirements.
  • Ability to independently develop, present and execute new projects through collaborations with other departments.
  • Experience working as part of an engineering, maintenance, technology, or construction project team in support of power, manufacturing, or process plant construction and maintenance.
  • Working knowledge of standard office computer software (e.g., Excel, Word, PowerPoint, etc.).

Education: Bachelor's degree in Engineering is required.

Experience:

  • Minimum of eight (8) years in the technical, operational, or engineering aspects of the utility industry. Supervisory experience preferred. LNG, Oil & Gas, or Power Plant experience a plus.

Licenses & Certifications:

Working Conditions:

  • Must be available to work emergency restoration assignment as required.
  • Must be available to travel between MA/CT/NH as necessary.
  • Depending on the specific nature of the engineering role, position may require occasional to significant travel by car. A valid driver's license is required.
  • This position is categorized as safety-sensitive for the purpose of drug testing. Successful applicants shall be subject to a pre-assignment drug test if the individual is currently in a non-safety sensitive position. As an employee in this position the individual shall be subject to random drug testing. A positive drug test will result in disciplinary action.

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Competencies:

Build trusting relationships

Manage and develop people

Foster teamwork and cross-functional collaboration

Lead change

Communicate strategic vision

Create an engaged workforce

Focus on the customer

Take ownership & accountability

Compensation and Benefits:

Eversource offers a competitive total rewards program.Check out our careers site for an overview of our benefits programs. Salary is commensurate with your experience. This position is eligible for a potential incentive. The annual salary range for this position is:

$145,670.00-$161,860.00

Worker Type:

Regular

Number of Openings:

1

Emergency Response:

Responding to emergency situations to meet customers' needs is part of every employee's role. If employed, you will be given an Emergency Restoration assignment. This means you may be called to assist during an emergency outside of your normal responsibilities, work hours and location.

EEO Statement:

Eversource Energy is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to age, race, color, sex, sexual orientation, gender identity, national origin, religion, disability status, or protected veteran status.

VEVRRA Federal Contractor


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