40 engineer i systems engineering jobs at 28 companies in Fairfield, CT
4d
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Engineer I, Productivity Engineering
Buckeye or Dublin or New York City or Los Angeles or Boston
HybridFull Time
B.S. in STEM, preferably Industrial or Systems Engineering, or equivalent engineering experience; SQL or MS Access knowledge; strong mathematical, analytical, communication, and organizational skills.
SQL, Microsoft Access, Microsoft Excel
1mo
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Senior Engineer I
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$215k-$254k/yr RemoteFull Time
5+ YOEBachelor's in a STEM field and 5+ years experience building and operating distributed systems using Go, Python, TypeScript, Kubernetes, cloud platforms, and modern storage/streaming technologies.
Go, Python, TypeScript, MySQL, Bigtable, ClickHouse, Postgres, Kafka, PubSub, Kubernetes, Terraform, GCP, AWS, Azure, Docker, gRPC
2mo
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Senior AI Engineer I
Phoenix or New York
$123k-$215k/yr HybridFull Time
5+ YOE5+ years software engineering experience with production LLM/ML systems, strong backend/API/cloud fundamentals, hands-on LLM tooling and RAG pipelines, AI-assisted workflows, and US work authorization required.
Python, Go, TypeScript, AWS, GCP, Kubernetes, REST, gRPC, Kafka, LLM, RAG
2mo
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Commissioning Engineer I
New York, New York, United States
FieldFull Time
2+ YOEDegree or pursuing degree in Architecture/Engineering/Construction, 2+ years preferred in mechanical engineering/commissioning, knowledge of MEP systems, NYC energy code, OSHA-10, ability to read plans, willing to travel to construction sites.
Procore, Salesforce, Microsoft Excel, Facility Grid
1mo
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Equipment Engineer I
Brookfield, Connecticut, United States
OnsiteFull Time
0+ YOE0-2 years equipment or maintenance engineering experience; knowledge of mechanical, electrical, and automated systems; ability to read technical drawings and schematics; familiarity with SPC and data analysis concepts; working knowledge of Microsoft Office; bachelor's degree in engineering or equivalent experience.
Microsoft Office, statistical process control (SPC)
1mo
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Manager I, Engineering - Change Experience Platform
Boston or New York City or Texas or North America
$187k-$240k/yr HybridFull Time
Experience managing engineers on internal/platform tooling; strong technical judgment in distributed systems; hands-on with backend languages (Go, Python, Java) and datastores; frontend/product fluency; BS/MS/PhD or equivalent experience.
Go, Python, Java, PostgreSQL, Cassandra, Redis, Elasticsearch
6d
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Commissioning Engineer I
Rocky Hill or Massachusetts or Connecticut or Rhode Island or United States
FieldFull Time
High school diploma or equivalent required; engineering or building construction bachelor's degree preferred. Requires systems knowledge, construction familiarity, communication, critical thinking, problem-solving, and Microsoft Word and Excel skills.
Microsoft Word, Microsoft Excel, HVAC
2w
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Metering Engineer I (Astoria, US)
Astoria or New York
$110k-$120k/yr FieldFull Time
2+ YOEBachelor's degree in electrical engineering, 2+ years of related experience, utility electrical systems knowledge, Microsoft Office proficiency, engineering calculations, and willingness to enter confined spaces and climb equipment.
Microsoft Office, MV90
1w
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Senior Engineer I - Applications
Chandler or Hauppauge
$70k-$205k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering or related field and 5–7.5 years of embedded firmware development and testing experience. Strong C, Python, debugging, communication, and embedded systems skills required.
C, Python, ARM Architecture, Linux, Chromium EC, Zephyr Project, FreeRTOS, Oscilloscope, Salesforce, I2C, SPI, MPLAB, Keil IDE, Azure, IoT
2w
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Assistant Engineer - SCADA Signal System Level I, II, III
Jamaica, New York, United States
$129k-$162k/yr OnsiteFull Time
1+ YOEEngineering or computer science degree and 1+ year related experience for Level I; higher levels require railroad signaling, SCADA, networking, Windows Server, database, cybersecurity, and supervisory expertise.
Microsoft Office Suite, Adobe Acrobat, Windows, Linux, Windows Server, TCP/IP, DNS, DHCP, SNMP, MySQL, Oracle, SQL Server, PostgreSQL, MongoDB, Railware, EEPS, TIMACS, DISPATCHVIEW, Active Directory, Group Policy, Windows Server Update Services (WSUS), Python, Perl, Microsoft SCCM, Microsoft IIS, SMTP, SPLUNK, SolarWinds, SINEC, Nozomi, MPLS, BGP, PPP, VPN, NAT, Microsoft Windows Infrastructure
3mo
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Stationary Engineer I
Bronx, New York, United States
$49-$50/hr OnsiteFull Time
2+ YOE2+ years independently operating large high-pressure boiler and refrigeration plants; ability to read plans and schematics; institutional systems knowledge; NYC boiler and refrigeration licenses and NYCFD certificates; high school diploma/GED.
3mo
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Deputy Project Manager I
Yonkers, New York, United States
OnsiteFull Time
5+ YOEFive+ years in project management, engineering, or project administration; Bachelor’s in Mechanical and/or Systems/Electrical Engineering; railcar design or rail industry knowledge preferred.
2mo
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Principal Software Engineer I - Distributed Systems - Elasticsearch
United States or Seattle or Los Angeles or San Francisco or New York City
$133k-$211k/yr RemoteFull Time
Expertise in distributed systems and consensus algorithms, strong Java/JDK skills, deep algorithms knowledge, experience building/debugging large distributed systems, and managing projects involving multiple engineers.
Java, JDK, Lucene, Netty, Elasticsearch
3mo
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Senior Software Engineer I, Frontend Infrastructure & Experience
New York City, New York, United States
$129k-$209k/yr HybridFull Time
5+ YOE5+ years software engineering; strong frontend with TypeScript/React; build reusable frontend systems; focus on UX, performance, maintainability; collaborate across teams; mentorship; Roled with frontend infra and product experiences.
TypeScript, React, Cypress, Jest, RSpec, Frontend build tooling, code generation tooling, Ruby on Rails
1mo
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Staff Quality Systems Specialist I
Franklin Lakes, New Jersey, United States
$136k-$217k/yr OnsiteFull Time
8+ YOEBS in engineering or science,8+ years medical device/biologic/pharmaceutical/diagnostic experience,knowledge of 21CFR820,ISO13485,MDR/MDD,MDSAP,audit and CAPA expertise.
Trackwise
2mo
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Senior Software Engineer I
Boston or Manhattan
$150k-$166k/yr OnsiteFull Time
6+ YOE6+ years software engineering experience; 1+ year building LLM/GenAI applications; experience with RAG, vector databases, LangChain/LlamaIndex/LangGraph/AutoGen; distributed systems, APIs, security, AWS, Docker, CI/CD.
LangChain, LlamaIndex, LangGraph, AutoGen, RAG, LLMs, RESTful APIs, GraphQL, Kafka, RabbitMQ, OAuth, AWS, Docker, CI/CD
4d
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Junior Software Engineer
Greenlawn, New York, United States
$87k-$147k/yr HybridFull Time
Bachelor's degree for Software Engineer I or master's degree for Software Engineer II; software development skills, embedded systems experience, and ability to obtain a Secret clearance required.
Java, C++, C, Python, Jira, BitBucket, Windows, Linux, git, DevSecOps, Agile
1w
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IT Engineer I
New York City or Denver or Charlotte
$77k-$115k/yr HybridFull Time
3+ YOERequires 3–4 years in systems administration or a related technical role, end-user support experience, Office 365, Mac and Windows support, MDM, SSO workflows, ticketing systems, basic scripting, and ability to lift up to 50 lbs.
Microsoft Office 365, Mac, macOS, Windows, MDM, Okta, OneLogin, Auth0, Jira Service Desk, Bash, PowerShell, Python
1w
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Software Engineer I
New York City, New York, United States
$153k-$169k/yr OnsiteFull Time
Bachelor's degree in a relevant technical field plus Python, Java or Golang, Angular.js, SQL or databases, data structures, algorithms, system design, GitHub or SVN, and production debugging experience.
Python, Java, Golang, Angular.js, SQL, Cassandra, Redis, MySQL, GitHub, SVN, WebSockets, Pub/Sub
1mo
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Staff Software Engineer I
Mountain View or New York
$236k-$277k/yr RemoteFull Time
10+ YOE10+ years building and operating distributed/cloud-native backend systems; strong Kubernetes and distributed-systems knowledge; proficiency in Go, Java, or Python; excellent communication and cross-team leadership.
Go, Java, Python, Kubernetes
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