225 systems test engineer jobs at 148 companies in Fairfield, CT

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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
2mo
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Systems Engineer
Greenlawn, New York, United States
$145k-$247k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's in engineering or science with 8 years (or Master’s with 6 years) experience; experience with DOORS, electronic lab/test equipment, requirements engineering, system integration, verification, and Microsoft Office; ability to obtain Secret clearance.
DOORS, Microsoft Office, Cameo, SysML
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
1w
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Systems Engineer IV
Secaucus or Duluth or Austin or United States
HybridFull Time
Kapsch TrafficCom
Kapsch TrafficComVienna Stock Exchange: KTCG: Provides intelligent transportation systems and electronic tolling solutions.
5+ YOE5+ years engineering experience, bachelor's or master's degree, expertise in system architecture, requirements management, integration, testing, and client-facing technical leadership.
Microsoft Azure
1mo
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Systems Engineer, Audio
Charlotte or San Francisco or Los Angeles or New York City
$140k-$170k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
10+ YOEMaster's in engineering and 10+ years' experience in EE/mechatronics/automotive systems. Experience with system architecture, EE/SW integration, MBSE/MBD, MIL/SIL/HIL testing, and vehicle network protocols. Familiarity with tools like JIRA, Confluence, GitHub.
JIRA, Confluence, Codebeamer, Preevision, CAMEO, GitHub, JFrog, CANalyzer, CANoe, A2B, CAN, Automotive Ethernet, LIN, LVDS, MBSE, MBD, MIL, SIL, HIL
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
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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
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Systems Design Engineer II
Guilford, Connecticut, United States
$69k-$104k/yr OnsiteFull Time
Thermo Fisher Scientific
Thermo Fisher ScientificNYSE: TMO: Sells equipment and chemicals for scientific research and healthcare.
2+ YOEBachelor's plus 2 years or Master's in engineering/science, expertise in system integration, testing and validation of electro-mechanical systems, Linux required, Python preferred, strong troubleshooting and project skills.
Linux, Python
2mo
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Systems Integration Engineer
New York City or New York or United States
$120k-$250k/yr OnsiteFull Time
Distributed Spectrum
Distributed Spectrum: Developing AI systems for real-time radio spectrum intelligence.
Experience integrating hardware and software systems; embedded Linux; field deployment; Python tooling for tests.
Linux, Python, Embedded Systems, RF, Networking
3mo
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RF Systems Engineer
Hoboken, New Jersey, United States
OnsiteFull Time
Quantum Computing Inc.
Quantum Computing Inc.NASDAQ: QUBT: Building integrated photonics and room-temperature quantum computing systems.
BS in Physics/Engineering; RF engineering background; experience with RF/microwave design, RF testing, EM solvers, PCB/antenna design; DoD security clearance or ability to obtain; strong problem-solving and communication skills.
Ansys HFSS, CST Microwave Studio, FEKO, AWG Microwave Office, MATLAB, Python, C, C++, DMMs, Oscilloscopes, Vector Network Analyzers, Spectrum Analyzers
2d
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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
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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Staff Systems Engineer (C++/Python)
New York or Los Angeles County
$220k-$260k/yr RemoteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
5+ YOEBachelor's in CS/Engineering/Math, 5+ years industry experience, strong C++ systems development, familiarity with machine learning/computer vision, Git and Unix shell proficiency, experience deploying/testing on cloud and large geospatial datasets.
C++, Python, Git, Mercurial, CMake, Linux, macOS, bash, Unreal Engine
1mo
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Distributed Systems Engineer 6 - Ads Member Experience
Los Gatos or Seattle or New York or Los Angeles
$499k-$900k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
8+ YOE8+ years software development (5+ years in Ads), experience with ad formats and delivery systems, large-scale low-latency infrastructure, experimentation/A-B testing, strong analytical and product sense, cross-functional collaboration.
Server-Driven User Interface (SDUI), VAST, OpenRTB
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 Software Engineer - Backend & Systems
New York City, New York, United States
$180k/yr OnsiteFull Time
Noise Labs
Noise Labs: Platform for trading and measuring cultural attention and trends.
3+ YOE3+ years backend engineering experience; expertise in Rust/Scala/Python/TypeScript, Postgres, distributed systems, Kubernetes, Terraform, observability, and strong system design and testing practices.
Rust, Scala, Python, TypeScript, SQL, Postgres, Postgres RDS, Terraform, Kubernetes, AWS, Nix, Nixpkgs, Tokio, Axum, SQLx, Flink, Kafka, Pandas, NumPy, SciPy, Node.js, REST, gRPC
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Lead QA Engineer (AI & Agentic Systems)
New York City, New York, United States
$160k-$300k/yr OnsiteFull Time
Solstice Health
Solstice Health: AI-powered platform accelerating content creation for life sciences marketing.
Senior, hands-on QA engineer with strong Python, Playwright, CI/CD and test-infrastructure experience; experience testing ML/LLM/agentic systems, building evaluation systems, manual exploratory testing, and clear communication.
Python, Playwright, CI/CD, TypeScript, React, LangChain, LangGraph, LangSmith, Langfuse, Arize Phoenix, Braintrust, RAGAS, Promptfoo, OpenAI Evals, LLM
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Embedded Systems Engineer Co-op (Bohemia, NY) – Spring 2027
Bohemia, New York, United States
$24/hr OnsitePart Time
GE Aerospace
GE AerospaceNYSE: GE: Designs and manufactures jet engines and aerospace systems.
Must be a U.S. person and enrolled in a BS/BE in computer/electrical engineering, computer science or related, 3.0+ GPA, proficient in C/C++/C#, experience with embedded hardware, Linux, HWIL/SWIL testing, and strong communication.
C, C++, C#, MATLAB, LabVIEW, Linux, FPGA, ARM, RTOS
3w
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Quantum Computing Systems Engineer
Yorktown Heights, New York, United States
$200k-$285k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Master's in physics, electrical engineering, or related field required; PhD preferred. Strong technical communication, experience with circuit test, low-noise measurement, microwave electronics, test automation, qubit calibration/test; leadership experience preferred.