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33 performance testing engineer jobs at 25 companies in Danbury, CT

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Testing and Automation Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
Subway
Subway: Operates a global chain of quick-service sandwich restaurants.
3+ YOE3+ years testing/quality engineering experience; proficiency in test automation (UI/API/backend), performance testing, AI-assisted testing, CI/CD, and basic scripting in Java/JavaScript/Python/C#.
JMeter, Gatling, k6, Locust, Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#, CI/CD
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3d
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Aerospace Engineer (Flight Test)
Lakewood or Hapeville or Burlington or Westbury or Des Moines
$95k-$147k/yr OnsiteFull Time
Federal Aviation Administration
Federal Aviation Administration: Regulates civil aviation and manages national air traffic systems.
1+ YOEEngineering bachelor's degree required, plus one year of specialized experience in aircraft performance, avionics systems testing, or human factors evaluations and compliance with airworthiness standards.
14 CFR, SF-50, eOPF
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1w
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Environmental Engineer 2 (Public Health) (35 Hour)
Hartford, Connecticut, United States
$70k-$101k/yr HybridFull Time
State of Connecticut
State of Connecticut: The state government of Connecticut, United States.
6+ YOESix years environmental engineering experience (or substituted college credits), ability to inspect water/waste treatment systems, review plans, perform field tests, and conduct chemical/bacteriological analyses.
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4d
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Engineer, Electrical
Melville, New York, United States
$95k-$110k/yr OnsiteFull Time
Leviton
Leviton: Manufacturer of electrical wiring, lighting controls, and networking infrastructure.
2+ YOEDesign and test AC-to-DC power supplies; perform transformer/inductor design, EMI/EMC mitigation, PCB review, failure analysis, and supplier evaluation. Bachelor's in EE or CSE and 2+ years' experience required.
Spice Simulators, ECAD, Altium Designer, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Inspections Engineer
New Hyde Park, New York, United States
FieldFull Time
M&J Engineering
M&J Engineering: Provides engineering and construction management services for infrastructure.
5+ YOEPerform field inspections for transportation/infrastructure projects, prepare inspection reports, document activities; Master's in engineering preferred or Bachelor's plus 5 years; experience with structural welding inspection and non-destructive testing.
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HVAC Engineer
Patchogue, New York, United States
$659-$2k/wk OnsiteFull Time
Verizon
VerizonNYSE: VZ: Provides wireless, broadband, and telecommunications services to customers.
EPA Universal Technician certification, valid driver qualification, ability to perform physical tasks up to 100 lbs, meet safety and medical requirements, and pass company tests.
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5d
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Lead Developer
Teaneck, New Jersey, United States
HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
10+ YOE10+ years professional software development experience with extensive focus on Python3 for backend/service applications; experience designing scalable architectures, testing, performance tuning, hybrid teams, and mentoring developers.
Python3
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5d
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Specialist, Integration / Test Engineering (41748)
North Amityville, New York, United States
$77k-$143k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOEPerform integration and qualification testing, collect and analyze test data, execute ATPs, troubleshoot components; requires bachelor\u0002s degree with 4+ years experience (alternatives listed), strong communication skills.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, electrodynamic vibration shaker, thermal chamber
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2mo
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Watch Engineer or Fireman
West Islip, New York, United States
$27-$34/hr OnsiteFull Time
Catholic Health
Catholic Health: Integrated healthcare system providing hospital and clinical medical services.
5+ YOEOperate and maintain boilers and power house equipment, perform routine maintenance and system testing, take hourly equipment readings, add chemicals as needed; HS diploma, 5+ years boiler experience, valid NYS driver's license required.
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Sr. Android Engineer, CNBC
Englewood Cliffs, New Jersey, United States
$155k-$175k/yr HybridFull Time
Versant
VersantNasdaq: VSNT: Operates cable television networks and digital media entertainment platforms.
5+ YOE5+ years Android development with Kotlin and Java, Jetpack/Compose, MVVM/Clean Architecture, video streaming (HLS/DASH/CMAF) and DRM, Kotlin Coroutines or RxJava, REST/GraphQL, CI/CD and testing, strong debugging and performance skills.
Kotlin, Java, Jetpack, Jetpack Compose, MVVM, Clean Architecture, HLS, DASH, CMAF, DRM, Kotlin Coroutines, RxJava, REST, GraphQL, Android Studio, Firebase, Bitrise, Jenkins, Koin, Hilt, Dagger, AWS
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Senior Frontend Engineer (React.js / Micro Frontends)
Stamford, Connecticut, United States
$145k-$175k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOE5+ years frontend experience with React.js, JavaScript (ES6+), HTML5/CSS3, state management (Zustand/Redux/Context API), testing (Jest/React Testing Library), RESTful APIs, Microsoft Azure/Azure DevOps, CI/CD, module federation/micro frontends, performance, security, and accessibility.
React.js, JavaScript (ES6+), HTML5, CSS3, Material-UI, Styled Component, Webpack, Rollup, Storybook, React-Router-Dom, Zustand, Redux, Context API, Jest, React Testing Library, RESTful APIs, Microsoft Azure, Microsoft Azure DevOps, CI/CD, module federation, Docker, Next.js, DevExtreme DataGrid, ExcelJS
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Java Fullstack Engineer with Azure
Lafayette or Bloomfield or Raleigh or Dallas or Austin
$72k-$141k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
6+ YOE6+ years Java full‑stack experience with Azure, microservices, REST/SOAP, Spring Boot, Docker/AKS, CI/CD, RDBMS/NoSQL, git, and performance testing experience.
Azure, Azure Batch, Azure Cloud, Azure Kubernetes Service (AKS), Docker, OpenShift, Spring Boot, Spring Batch, Camel, Fuse, Java, Java 8, J2EE, git, JMeter, NeoLoad, SQL, RESTful (Rest-APIs)
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2mo
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Watch Engineer or Fireman
West Islip, New York, United States
$27-$34/hr OnsiteFull Time
Catholic Health
Catholic Health: Provides comprehensive hospital and medical healthcare services.
5+ YOEHigh school diploma, 5+ years working with high-pressure steam boilers, valid NYS driver's license; perform boiler operations, routine maintenance, system testing, monitoring and chemical treatment.
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Plant Utilities Engineer 1 (NY HELPS), New York City Children's Center, Queens Campus, P27448
Bellerose, New York, United States
$57k-$69k/yr OnsiteFull Time
New York State Education Department
New York State Education Department: State agency overseeing education and professional licensing in New York
4+ YOECommercial/industrial HVAC and boiler operation & maintenance experience. Ability to operate, maintain, inspect, and repair HVAC, boiler, mechanical, electrical, and plumbing systems; perform testing and chemical adjustments; respond to service calls.
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Engineering Technician II
Northford, Connecticut, United States
$65k-$97k/yr OnsiteFull Time
Honeywell
HoneywellNASDAQ: HON: Manufactures aerospace products, building technologies, and industrial control systems.
2+ YOEH.S. diploma/GED, 2+ years electronics testing or electrical design experience, 1+ year soldering/modifying PCBs, ability to interpret schematics and perform PCB inspections and testing.
multimeter, AC power supply, DC power supply, thermal camera, oscilloscope
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2mo
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Antenna/RCS Range Technician
Greenlawn, New York, United States
$52k-$83k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
Operate Antenna & RCS test ranges, perform measurements with RF and electronic test equipment, troubleshoot and modify test setups, lift up to 50 lbs, must be U.S. person and able to obtain Secret clearance.
spectrum analyzer, network analyzer, power meter, multimeter, Microsoft Office
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Technical Team Leader
Orangeburg, New York, United States
$80k-$100k/yr OnsiteFull Time
Werfen
Werfen: Develops specialized diagnostic systems and reagents for clinical laboratories.
5+ YOE2+ MgmtBachelor's in life sciences or MT/MLS; 5+ years lab/QC experience with minimum 2 years supervision; knowledge of GMP/GLP, QC testing, technical writing, and ability to manage team performance and budgets.
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Electronic Test Technician
Flushing or Mentor or Mayfield or Willoughby or Amery
$20-$25/hr OnsiteFull Time
Process Technology
Process Technology: Designs and manufactures industrial heating and power conversion equipment.
2+ YOE2+ years hands-on electronic test experience (Electrical Engineer preferred), proficiency with oscilloscopes, spectrum analyzers, and signal generators; ability to read schematics and perform troubleshooting and failure/root cause analysis.
oscilloscopes, spectrum analyzers, signal generators
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2mo
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Repair and Tool Technician
Fairfield, Connecticut, United States
OnsiteFull Time
The Home Depot
The Home DepotNYSE: HD: Operates retail stores selling home improvement and construction products.
Evaluate and repair small engines, outdoor power equipment, and handheld electrical devices; perform testing, maintenance, inventory management, and customer-facing tool rental service.
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DT Enterprise Platform Systems – Quality Engineering Test Analyst (Hybrid)
East Hartford or Aguadilla
HybridFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEBachelor's in IT (8+ years) or advanced degree in IT (5+ years); U.S. citizenship required; experience in test automation, performance/load testing, test strategy, and leadership; familiarity with tools such as Tricentis Tosca, NeoLoad, QTest, Octoperf, Load Runner, Selenium, and Cucumber.
Tricentis Tosca, Tricentis NeoLoad, Tricentis QTest, Octoperf, Load Runner, Selenium, Cucumber
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