78 principal engineer jobs at 30 companies in Wethersfield, CT
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Transportation Principal Engineer (Engineering)
Newington, Connecticut, United States
$130k-$182k/yr HybridFull Time
9+ YOE1+ MgmtRequires nine years of complex transportation engineering experience, including one year supervising transportation engineering design projects, PE licensure, and a valid driver's license may be required.
FEMA Flood Insurance Studies (FIS), National Flood Insurance Program (NFIP)
1mo
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Principal Engineer, Airworthiness Office (Onsite)
East Hartford, Connecticut, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEBachelor's in Engineering (STEM) required, 8+ years airworthiness/certification experience (or advanced degree with 5+ years), active DoD Secret clearance, ability to obtain/maintain U.S. security clearance, strong communication and stakeholder coordination skills.
2mo
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Principal Mechanical Engineer - Instruments
Orange or Sunnyvale
$220k-$330k/yr OnsiteFull Time
15+ YOEBachelor’s or Master’s in Engineering; 15+ years medical device exp; advanced mechanical instrument development; regulatory compliance; design leadership and mentorship.
Mechanical Engineering, Robotics, Medical Devices, Regulatory Compliance
1mo
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Principal Systems Engineer /Sr Principal Systems Engineer
Groton or Quonset Point
$109k-$163k/yr FieldFull Time
5+ YOEBachelor's degree in a STEM field required, U.S. citizenship and active U.S. Government Secret clearance required, 5+ years (Principal) or 8+ years (Sr Principal) relevant experience, willingness to travel up to 25% and work rotating/periodic shifts.
1mo
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Principal Systems Engineer /Sr Principal Systems Engineer
Groton or Quonset Point
$109k-$204k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Secret clearance; Bachelor’s in STEM; minimum 5 years (Principal) or 8 years (Sr Principal) relevant systems/shipyard/strategic weapons experience; willing to travel ~25% and work rotating schedules; strong communication and test/installation experience.
1mo
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Principal Engineer, Transmission System Planning (Hybrid Schedule)
Westwood or Hartford or Berlin
$151k-$168k/yr HybridFull Time
10+ YOEMaster's in engineering required, 10+ years transmission planning and simulation experience, advanced power system modeling skills, PE preferred, proficiency with PSSE/PSCAD and programming (Python/VBA).
PSSE, PSCAD, Microsoft Office 365, Word, Microsoft Excel, Visio, SharePoint, OneDrive, Python, VBA, ASPEN Oneliner, EMTP (ATP), TARA, PI Processbook, Electronic Medical Records (EMR)
1mo
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Principal Process Development Engineer
Enfield, Connecticut, United States
OnsiteFull Time
10+ YOEBachelor's in STEM, 10+ years process engineering experience, knowledge of FDA QSR/ISO 13485/cGMP, CAD/SolidWorks familiarity, IQ/OQ/PQ and PFMEA experience, strong communication and mechanical aptitude.
CAD, SolidWorks
2mo
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Principal Engineer/Scientist - MA Licensed Site Professional
Wakefield or Boston or Braintree or Clifton Park or Manchester or Middletown or Portland or Springfield
$131k-$223k/yr HybridFull Time
15+ YOEMassachusetts Licensed Site Professional; 15+ years environmental consulting; BS in Engineering/Geology/Hydrogeology; Massachusetts market experience; active LSP certification.
1mo
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Principal CI Engineer
Warren, Massachusetts, United States
$119k-$149k/yr OnsiteFull Time
8+ YOEBachelor's degree, 8+ years in operations/industrial engineering/lean/CI or materials/planning, expertise in Lean and Six Sigma, strong leadership and communication, must be US citizen.
5S, SIPOC, PFMEA, MSA, SMED, TPM, Kanban, Line Balancing, VRK, PFEP, RACI, SWIP, SIOP, IFS, ERP, Manufacturing Execution Systems
1mo
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Water Infrastructure Principal Engineer
Foxborough or Providence or Rocky Hill
$158k-$204k/yr HybridFull Time
15+ YOEBachelor's in Civil/Environmental Engineering required, Masters preferred; PE registration (CT or obtain within 6 months); 15+ years engineering experience; business development, client relations, and MS Office proficiency; valid driver’s license.
Microsoft Office
1mo
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Principal Engineer, Mechanical - Nuclear
Charlotte or Stonington
OnsiteFull Time
15+ YOEABET BS in Mechanical Engineering, PE license (preferred), 15+ years relevant nuclear engineering experience, ability to pass security screening, proficiency with Microsoft Office, strong communication and leadership skills.
PEPSE, Computational Fluid Dynamics (CFD), ASME Section III Code, ASME Section VIII Code, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3w
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Principal Volume Production Engineer
East Granby, Connecticut, United States
$108k-$160k/yr OnsiteFull Time
8+ YOEBachelor's in engineering required (Master's preferred),8+ years in product/process/manufacturing engineering with scale-up and equipment commissioning experience; DOE, SPC, root-cause, Lean/Six Sigma skills; strong leadership and analytical ability.
DOE, SPC, Lean, Six Sigma
1mo
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Mechanical Engineer Senior / Specialist / Principal
Groton, Connecticut, United States
OnsiteFull Time
5+ YOEBS/MS in Mechanical or Marine Engineering, 5+ years postgraduate engineering experience, willingness to work nights/weekends, travel possible, strong communication and organizational skills, SUBSAFE/Military spec experience preferred. Secret clearance required.
3w
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Principal Engineer – Design for Automation
Stratford, Connecticut, United States
$145k-$255k/yr OnsiteFull Time
15+ YOEBachelor's in engineering,15+ years product design/advanced manufacturing/NPI experience,experience with automated manufacturing,cross-functional influence,and ability to define engineering standards.
robotics, digital engineering, digital twins, Model-Based Engineering, Model-Based Systems Engineering, Industry 4.0
2w
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Principal Reliability Engineer - EDS
Hartford or Charlotte or Columbus or Chicago or United States
$153k-$229k/yr HybridFull Time
10+ YOE10+ years in data/cloud/platform/SRE with leadership; experience with Snowflake, EMR/Hadoop, AWS/GCP, Terraform/CloudFormation, Python, observability and SLO/SLI frameworks; US work authorization required.
AWS, GCP, Snowflake, EMR, Hadoop, ETL/ELT, Kubernetes, Terraform, CloudFormation, Python, CI/CD, Prometheus, Grafana, Datadog, Splunk, Dynatrace, OpenTelemetry, AWS Bedrock, SageMaker, Vertex AI
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
1w
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Principal Embedded Software Engineer
New Haven, Connecticut, United States
$180k-$220k/yr OnsiteFull Time
Extensive embedded systems experience, deep C/C++ and Python skills, RTOS and real-time control expertise, firmware-to-hardware lifecycle ownership, PCB/CAD/fabrication experience, and comfort in wet-lab hardware environments.
C, C++, FreeRTOS, Zephyr, Python, Altium, KiCad, SolidWorks, Onshape, I²C, SPI, UART, RS-485/Modbus RTU, CAN/CANopen, EtherCAT, USB, Ethernet, oscilloscope, logic analyzer, SWD/JTAG, Yocto, Buildroot, PREEMPT_RT, systemd, ROS 2, LabVIEW, AWS
2mo
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Principal Engineer/Scientist - MA Licensed Site Professional
Wakefield or Boston or Braintree or Clifton Park or Manchester or Middletown or Portland or Springfield
$131k-$223k/yr HybridFull Time
15+ YOEBachelor's in engineering/geology/hydrogeology, active Massachusetts Licensed Site Professional (LSP), 15+ years environmental consulting experience in Massachusetts; PE/PG/CT LSP preferred; ability to lead teams, prepare investigation and remedial plans, and serve as LSP-of-record.
2w
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Principal AI Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
10+ YOEBachelor's degree in a technical field; 10+ years with cloud and software/platform infrastructure; Python and TypeScript; distributed systems, AI platforms, MLOps, RAG, vector search, and enterprise engineering.
Amazon Web Services (AWS), Google Cloud, Microsoft Azure, Python, TypeScript, CI/CD, Agile, LangGraph, crewai, NoSQL, ETL, RAG, ANN, KNN
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
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