77 principal engineer jobs at 28 companies in Glastonbury, CT
1d
Save
Mark Applied
Hide
Principal Engineer, General Engineering (Onsite)
East Hartford, Connecticut, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEBachelor's degree in mechanical or aerospace engineering, 8+ years of engineering experience or 5+ with an advanced degree, and U.S. citizenship required.
1w
Save
Mark Applied
Hide
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)
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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)
2mo
Save
Mark Applied
Hide
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.
2mo
Save
Mark Applied
Hide
Principal Engineer - Commercial Nuclear (Remote) (Danbury, CT, US, 06810-8147)
Danbury, Connecticut, United States
RemoteFull Time
8+ YOEBachelor's degree in Electrical Engineering; 8+ years in electronic system design; experience with processors, FPGA, CGID, NRC regs; US citizenship required; remote work option.
Cadence OrCAD, Microsoft Office Suite (Word, Excel, Visio, PowerPoint), Xilinx ISE, Altera, Actel/Microsemi Libero
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Principal Engineer - Product
Simsbury, Connecticut, United States
OnsiteFull Time
5+ YOEBS in Electrical Engineering, 5+ years RF/microwave experience to 2 GHz, DC/RF simulation and RF PCB design experience, proficiency with test equipment and Excel, strong problem solving; ability to obtain Secret clearance and US citizenship/permanent residency required.
DC and RF circuit simulators, network analyzers, spectrum analyzers, signal analyzers, oscilloscopes, Microsoft Windows, Microsoft Office, Microsoft Excel, ADS, HFSS, Altium, ANSYS
1mo
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
Principal Transportation Engineer / Planner
New Haven, Connecticut, United States
HybridFull Time
15+ YOEBachelor’s or Master’s degree in transportation engineering, planning, or related field; 15+ years’ experience; PE license or transportation certification; driver’s license; communication, leadership, project management, and travel capability.
HCS, SYNCHRO, SimTraffic, VISSIM, CADD, GIS
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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.
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
AI Principal Engineer
Boston or Hartford or Missouri
$192k-$240k/yr OnsiteFull Time
Bachelor's in CS/Engineering/Math required (advanced degree preferred). Significant experience delivering production AI/ML systems, proficiency with Python/TypeScript/Rust, LLM and MLOps knowledge, model lifecycle and MLOps practices, and leadership of technical initiatives.
Python, TypeScript, Rust, LLM, MLOps
Explore Jobs