222 system test engineer jobs at 146 companies in Fairfield, CT

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Principal System Test Validation Engineer
Austin or Secaucus
$154k-$265k/yr OnsiteFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Lead system and silicon validation for server CPU and accelerator platforms; deep debug, validation strategy, and cross-functional collaboration; Bachelors/Masters in electrical or computer engineering preferred.
PCIe, CXL, X86
1mo
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Test Engineer
New York, New York, United States
OnsiteFull Time
Carrier
CarrierNYSE: CARR: Manufactures HVAC, refrigeration, and fire safety systems.
5+ YOEHVAC certificate with 5+ years in test/lab/systems/controls; or Bachelor's in Engineering.
DAQ, Instrumentation, Sensors, PLCs, Electrical diagrams, Excel
2w
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Test System Engineering, Manager.
Holtsville, New York, United States
$139k-$208k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
8+ YOEBachelor's degree in engineering (or equivalent experience),8+ years experience (6+ with Master’s),people leadership,Lean Six Sigma,experience with manufacturing test strategy and Industry 4.0.
Lean Six Sigma, Machine Vision, RF Technology, Industry 4.0
1mo
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WL - Test Engineer
Thomaston, Connecticut, United States
OnsiteFull Time
Fairbanks Morse Defense
Fairbanks Morse Defense: Provides naval power and propulsion systems to defense fleets.
3+ YOEAssociate degree in electrical engineering (or equivalent), 3+ years test-related experience with electrical/electromechanical systems, familiarity with MIL specs, AutoCAD Electrical proficiency, SolidWorks and ERP exposure, strong communication and organizational skills.
AutoCAD Electrical, SolidWorks, Visual Manufacturing, MS Office, PLC, MIL-S-901, MIL-STD-461, MIL-STD-1399-300, MIL-DTL-2212, schematic capture, EDA tools
3w
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System Integration and Test Engineer- CWW Backend Nights
Wilton, Connecticut, United States
OnsiteFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
0+ YOEBachelor's in a technical discipline required, 0-1 year manufacturing/production experience preferred, cleanroom and optical fabrication experience a plus, able to troubleshoot production issues, lift up to 20 lbs, and be work-authorized in the US without sponsorship.
Teamcenter, SAP
1w
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Test Engineer, Firmware & Hardware
New Haven, Connecticut, United States
OnsiteFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
Experience with electronic systems, embedded microcontrollers, test equipment, defect tracking, and product validation; familiarity with RFID/Wi‑Fi/Z‑Wave/Zigbee and mobile-to-cloud protocols preferred.
Python, C#, Java, Test Complete, oscilloscopes, function generators, digital voltmeters (DVMs), logic analyzers, protocol analyzers, robotic test systems
3mo
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Senior Test Engineer (Danbury, CT, US, 06810-8147)
Danbury, Connecticut, United States
OnsiteFull Time
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
7+ YOE7+ years electrical/test engineering; Bachelor's in Electrical or Computer Engineering; proficient with LabVIEW, TestStand, MATLAB/Simulink; experience with automated test systems and cross-functional collaboration.
LabVIEW, TestStand, MATLAB, Simulink, Cameo, Microsoft Office, Jira
1mo
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Sr Staff Test Engineer
Secaucus, New Jersey, United States
$116k-$155k/yr OnsiteFull Time
ZT Systems
ZT SystemsNASDAQ: SANM: Manufactures custom server and storage hardware for data centers.
8+ YOEBachelor's in EE/CE/CS or related, 8+ years test engineering/system validation experience, deep server architecture and firmware knowledge, proficiency with FIO, Linpack, mprime, IPMITOOL, Python/Shell/Perl, and strong debugging/communication skills.
BIOS/UEFI, BMC, OpenBMC, IPMI, Redfish, FIO, Linpack, mprime, mprime95, IPMITOOL, Python, Shell, Perl
1mo
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Lead Engine Cooling System Engineer
Novi or Charlotte or San Francisco or Los Angeles or New York City
$160k-$193k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
12+ YOEBachelor’s in mechanical engineering (Master's preferred), 12+ years engineering experience, 8 years thermal systems design, leadership experience, simulation and prototyping/testing skills, strong analytical and communication abilities.
CFD, 1D thermal-fluid models
1mo
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Senior System Integration Engineer
Danbury, Connecticut, United States
$130k-$150k/yr OnsiteFull Time
908 Devices
908 DevicesNASDAQ: MASS: Handheld mass spectrometry devices for on-site chemical analysis.
5+ YOEBachelor's degree or relevant experience in STEM, 5+ years in a similar role, troubleshooting analog/digital electronics, PCBA/harness design, proficiency with Altium and SolidWorks, familiarity with HALT and compliance testing, and use of lab test equipment.
Altium, SolidWorks, Microsoft Office, Python, PCBAs, HALT, oscilloscopes, regulated bench supplies, thermocouples, accelerometers, environmental chambers, in-house machine shop, 3D printing
1mo
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Embedded System Engineer
Hauppauge, New York, United States
$96k-$131k/yr OnsiteFull Time
Spellman High Voltage Electronics
Spellman High Voltage Electronics: Designs and manufactures precision high voltage power conversion solutions.
3+ YOEBachelors in Electrical Engineering, 3+ years embedded systems experience; firmware development (C, RTOS), FPGA (Verilog/VHDL), testing, documentation, and familiarity with Matlab-Simulink, PSIM, and revision control.
C, Verilog, VHDL, Assembly, C#, VB6, Java, WPF, Linux, RTOS, Tortoise SVN, Matlab-Simulink, PSIM, JTAG, FPGA, DSP, MCU, CPLD, SOM
1w
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System Design Engineer - AI Cluster Software Engineer
Austin or Santa Clara or Secaucus or Markham
$133k-$200k/yr HybridFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
5+ YOE5+ years software development experience; daily use of AI coding assistants; frontend (JavaScript/TypeScript, React/Angular/Vue), backend services, Linux, containers, CI/CD, cloud/on-prem deployment, testing and production support.
JavaScript, TypeScript, React, Angular, Vue, Linux, perf, flamegraphs, nvprof, rocprof, eBPF, ROCm, RCCL, EPYC, Slurm, Kubernetes, Apptainer, Singularity, Ansible, Terraform, Python, bash, Lustre, BeeGFS, RDMA, CI/CD
4w
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Global Advisory Testing Engineer
Morrisville or Shelton
HybridFull Time
Lenovo
LenovoHKSE: 992: Manufactures personal computers, mobile devices, and server infrastructure.
8+ YOEBachelor's in EE/CE/CS or related, 8+ years manufacturing test engineering experience, expertise in hardware/software integration, troubleshooting system-level issues, automation/scripting, and supporting global manufacturing operations.
1d
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Senior Systems Engineer, Test Frameworks & Validation Platform
Livingston or New York City or Sunnyvale or Bellevue or San Francisco
$153k-$204k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
3+ YOE3+ years building test infrastructure or systems software; fluent Python; Rust or strong systems language background; Kubernetes and Linux systems experience; testing discipline and strong communication.
Python, Rust, Go, C, C++, Kubernetes, Argo Workflows
1mo
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Software Development Engineer in Test
Krakow or Antwerp or Lisbon or Kyiv or New York City or Europe
RemoteContract
IntellectEU
IntellectEU: Provides blockchain integration and financial messaging solutions for institutions.
6+ YOE6+ years Java development and test automation experience; degree in computer science; experience testing distributed systems (REST, message queues); proficient with test frameworks (Cucumber, JUnit, TestNG, RestAssured), Docker, Gradle/Maven; fluent English.
Kotlin, Spring Boot, ActiveMQ, Gradle, Ansible, Docker, Canton, Cucumber, JUnit, TestNG, RestAssured, Java, Maven
1mo
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Senior Software Development Engineer in Test (SDET)
New York, New York, United States
$130k-$139k/yr HybridFull Time
PactFi
PactFi: Operational infrastructure for managing complex private credit transactions.
5+ YOE5+ years in QA automation/SDET/software engineering, 2+ years Playwright experience, strong TypeScript/JavaScript skills, experience designing test frameworks, CI/CD and distributed system testing, fintech domain preferred.
Playwright, TypeScript, JavaScript, GitHub Actions, CircleCI, SQL, dbt, Python, Java, Go, AWS, GCP
4w
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Principal Software Engineer: Distributed Systems (Config, Test, & Deployment)
Austin or New York City or San Francisco or Washington
$200k-$288k/yr HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
10+ YOE10+ years software engineering experience, technical leadership across orgs, expertise in distributed systems, strong typed language mastery, API design, experience with LLMs, Kubernetes, RocksDB and large-scale systems.
Kubernetes, RocksDB, LLMs, Prodspec and Annealing
1mo
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System Architect - AI Reliability Engineer
New York, New York, United States
OnsiteFull Time
Virtusa
Virtusa: Global provider of digital engineering and IT outsourcing services.
Design and build automated LLM evaluation and red-team frameworks, integrate tests into CI, instrument observability and audit trails, run adversarial testing, and provide production support and leadership.
CI, LLM, MCP, HITL
2mo
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Senior Manager, Software Development Engineer in Test
New York or Glendale or Bristol
$172k-$241k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
10+ YOE5+ Mgmt10+ years in software quality engineering and test automation; 5+ years leading managers or multi-team groups; strong Python or OO language skills; experience with cloud-native, ad-tech or large-scale systems preferred; excellent communication.
Python, CI/CD, Automation Frameworks
2mo
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Quantum Engineer II, Device Test & Measurement
New Haven, Connecticut, United States
$87k-$130k/yr OnsiteFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
2+ YOEMSc or PhD in relevant field; 2+ years experience; superconducting quantum devices, DC/RF measurements, cryogenic systems; instrument control, data analysis, and automation.
Python, LabVIEW, Matlab, Instrument control, Data analysis, Automation