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33 performance test engineer jobs at 26 companies in Danbury, CT

6d
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Information Technology Specialist (Performance Test Engineer)
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$126k-$193k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOELead design and execution of performance/load/stress tests, integrate performance testing into CI/CD, develop scripts with LoadRunner and JMeter, proficiency in Java, Python, C, and cloud platforms (AWS, Azure). U.S. citizenship required.
GitHub, Amazon Web Services (AWS), Azure, LoadRunner, JMeter, Java, Python, C, AppDynamics, Splunk
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3mo
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Performance Engineer
Stamford, Connecticut, United States
OnsiteFull Time
Altus Power
Altus Power: Developer and operator of commercial-scale solar energy infrastructure.
3+ YOEBachelor’s in engineering, math, or physics; 3-4 years in production analytics, performance testing, and asset assessments; strong data analysis, independent work, and cross-functional collaboration.
DAS software, Data analytics tools
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1mo
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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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3mo
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Engineer, Electrical
Melville, New York, United States
$90k-$95k/yr OnsiteFull Time
Leviton
Leviton: Manufactures electrical wiring devices and networking infrastructure for buildings.
2+ YOEDesign, develop, and test electrical components and systems; implement analog/digital designs; perform EMC/UL/FCC testing; 2-5 years experience; IoT, PCB and firmware exposure.
PCB design, Schematic capture, C programming, EMC testing, Firmware development
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2w
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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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1mo
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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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1w
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IT Data Engineer III
Berlin, Connecticut, United States
$70-$75/hr OnsiteTemporary
Scope Services
Scope Services: Provides infrastructure and workforce solutions for the utility industry.
Perform analysis, development, testing, debugging, configuration, documentation, health monitoring/alerting, and incident investigation for Microsoft Dynamics CRM; work independently within team guidelines.
Microsoft Dynamics CRM
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1w
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Stationary Engineer (40 Hour)
Middletown, Connecticut, United States
$64k-$82k/yr OnsiteFull Time
State of Connecticut
State of Connecticut: The state government of Connecticut, United States.
3+ YOEMinimum 3 years operating, maintaining, and repairing steam boilers or significant auxiliary boiler/power plant equipment; ability to perform mechanical maintenance, tests, and basic analyses; may require trade licenses.
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1mo
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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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2w
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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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1mo
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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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1w
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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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1mo
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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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1d
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Plant Utilities Engineer 1 (NY HELPS), Nights, Pilgrim Psychiatric Center, P27569
West Brentwood, 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
2+ YOEOperate, maintain, and repair HVAC, boiler, and mechanical systems; perform testing, troubleshooting, and chemical adjustments; meet one of multiple apprenticeship, license, degree, or hands-on experience qualifications.
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2w
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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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1mo
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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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3mo
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Senior Engineering Technician
Winsted, Connecticut, United States
OnsiteFull Time
Haley Ward
Haley Ward: Provides professional engineering, environmental, architectural, and surveying consulting services.
7+ YOEAssociates degree or equivalent experience, minimum 7 years experience, field inspection or construction experience preferred, proficiency with AutoCAD and Civil 3D and Microsoft Office, ability to perform soil testing and site measurements.
AutoCAD, Civil 3D, Microsoft Office Suite
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1mo
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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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2mo
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Cartridge Operator - First Shift
Meriden, Connecticut, United States
$18-$23/hr OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
1+ YOEOperate cartridge equipment, perform setup and testing, follow safety and GMP standards; HS diploma or GED; 1+ year manufacturing/warehouse experience; able to lift up to 55 lb unassisted and 70 lb with assistance; weekend/overtime flexibility; basic computer skills; strong communication in English.
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1mo
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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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