121 principal engineer jobs at 55 companies in Cornwall, NY
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Principal Engineer - Stablecoin
Jersey City or Seattle or Plano or San Francisco or Charlotte
$157k-$230k/yr HybridFull Time
Experience designing and building secure, scalable financial blockchain apps and smart contracts; multi-cloud, multi-region; cloud providers (AWS, GCP, Azure); web3 protocols; Solidity/Rust; cryptography; DeFi; code reviews and security analysis; integration with external systems.
Solidity, Rust, Web3, Truffle, Hardhat, Remix, Web3.js, Ethers.js, Terraform, AWS, GCP, Azure
1d
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Principal Engineer (Construction and Maintenance)
Newark, New Jersey, United States
FieldFull Time
7+ YOERequires a master's degree, P.E., or 7–10 years of relevant civil, mechanical, or electrical engineering experience involving water, wastewater, or stormwater projects. New Jersey driver's license required.
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Senior Principal Software Engineer
Totowa, New Jersey, United States
$145k-$247k/yr OnsiteFull Time
8+ YOEBS in Engineering (or equivalent) with 8+ years experience, Secret clearance, proficiency in C++, C#, Python, RTOS (RedHat/RTLinux), SDLC familiarity, strong leadership and communication skills.
C++, C#, Python, RedHat, RTLinux
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Principal Backend Engineer
New York, New York, United States
$135k-$217k/yr HybridFull Time
10+ YOE10+ years backend/data platform experience; Python, API design, AWS serverless; Databricks/PySpark; multi-tenant SaaS and data contracts; leadership without formal management.
Python, SQL, Databricks, PySpark, AWS serverless, Lambda, API Gateway, S3, DynamoDB, IAM, CloudFormation, SAM, MCP, CLI/API, MCP integrations, Orchestration
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Principal
New York City or White Plains
$180k-$220k/yr OnsiteFull Time
15+ YOEMaster’s degree in engineering; 15+ years in geotechnical engineering; NY PE; strong BD and project leadership; excellent communication; leadership of diverse teams.
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Principal Wastewater Engineer
Middletown or Columbus or Mount Laurel Township or Philadelphia or Bloomfield or King of Prussia
$105k-$135k/yr HybridFull Time
8+ YOEABET-accredited bachelor's in civil or environmental engineering, PE license required, 8+ years water/wastewater engineering experience, regulatory knowledge, client coordination, process modeling and hydraulic calculations, willingness to travel up to 25%.
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Principal Engineer (USA - Stamford, CT, US)
Stamford, Connecticut, United States
$108k-$165k/yr OnsiteFull Time
8+ YOEMS or PhD in engineering/chemistry, 8+ years in specialty chemicals with mining applications, hands-on lab/pilot/industrial flotation experience, experimental design and data analysis skills, ability to commercialize technologies and travel up to 40%.
1d
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Principal Electrical Engineer
Secaucus, New Jersey, United States
$116k-$194k/yr OnsiteFull Time
12+ YOEBachelor's degree in Electrical Engineering and 12+ years designing and debugging computer-related PCB boards; expertise in analog/digital, high-speed buses, PCB layout, signal integrity, and leadership.
BOM, PCB, SAS, SATA, PCIe, USB, DDR2/3, CPU
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Principal Debug Engineer
Austin or Secaucus
OnsiteFull Time
15+ YOELead-level system and silicon debug experience for server CPU and accelerator products; Bachelors or Masters in electrical/computer engineering with 15+ years experience; expertise in system, firmware, OS and platform debug.
PCIe, CXL, X86
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Principal Software Engineer
Totowa, New Jersey, United States
OnsiteFull Time
8+ YOEBS in Engineering with 8+ years experience (or equivalent), ability to obtain/possess Secret clearance, proficiency with C++, C#, Python, RTOS (RedHat/RTLinux), SDLC experience, electronic warfare exposure, and strong leadership and communication skills.
C++, C#, Python, RedHat, RTLinux
10h
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Principal Engineer- Eng Project Management
Plano or Purchase or Chicago
$111k-$185k/yr FieldFull Time
7+ YOEBachelor's degree in engineering and 7–9 years of project engineering experience, including manufacturing, packaging, utilities, CAPEX, and project management; travel of 30–50% required.
SAP myBuy, Microsoft Excel, Microsoft PowerPoint, CAD, Microsoft Project
4w
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Senior Principal Software Engineer
Totowa, New Jersey, United States
$145k-$247k/yr OnsiteFull Time
8+ YOEActive Secret clearance, BS in Engineering with 8+ years experience (or equivalent), strong SDLC knowledge, experience with EW systems, C++, C#, Python, RTOS (RedHat/RTLinux), integration testing, and leadership skills.
C++, C#, Python, RedHat, RTLinux
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Principal Electrical Engineer II
Florham Park or Rhode Island or Georgia or South Carolina or Mississippi or New Jersey or Massachusetts or Nebraska or Colorado or Tennessee or North Dakota or Minnesota or Texas or Kansas or North Carolina or Maryland or Kentucky or Missouri or Ohio or Maine or Michigan or New Hampshire or District of Columbia or Connecticut or Louisiana or New York or Florida or Delaware or Indiana or Pennsylvania or Illinois
$119k-$170k/yr HybridFull Time
10+ YOEBachelor's in electrical engineering, 10+ years experience with HV/MV/LV systems, PE preferred, proficiency in protective relaying, SEL relays, CAD/AutoCAD, ETAP, SKM Powertools, SEL Acselerator, and ability to travel (~20%).
CAD, AutoCAD, ETAP, SKM Powertools, SEL Acselerator, SEL relays
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Principal Systems Engineer - Medical Devices
Parsippany, New Jersey, United States
$132k-$165k/yr HybridFull Time
15+ YOE7+ MgmtAdvanced engineering degree and 15+ years developing electronic hardware and embedded software for real-time medical instruments; 10+ years systems engineering; 7+ years leading systems engineering; knowledge of FDA/EC regulations and human factors.
real time operating systems, digital signal processing
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Principal DevOps Engineer
New York or Los Angeles County or California or United States
$180k-$230k/yr RemoteFull Time
10+ YOE10+ years building and operating cloud-native platforms; expert Kubernetes, Crossplane, Go, AWS, GitOps, Puppet, observability, and relational databases; strong architecture and mentoring skills.
Go, Kubernetes, Crossplane, controller-runtime, kubebuilder, Crossplane function SDK, AWS, EKS, EC2, VPC, IAM, STS, SSM, Secrets Manager, Route 53, S3, Flux, ArgoCD, Helm, Kustomize, HelmRelease, Kustomization, GitOps, GitHub Actions, Puppet, PuppetDB, Hiera, r10k, NRCS, Venafi, Infoblox, Grafana, Prometheus, Mimir, Loki, OpenTelemetry, Prometheus Node Exporter, Alloy, PostgreSQL, SQLite, Velero, NICE DCV, Leostream, PCoIP, Envoy Gateway, Gateway API, k6, KUTTL, SOPS, Air, kind, colima, Bash, PowerShell, OAuth, JWT, REST APIs, RBAC
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Principal Manufacturing Test Engineer
Secaucus, New Jersey, United States
$141k-$188k/yr OnsiteFull Time
10+ YOEAdvanced engineering-related degree and 10–15 years of high-volume manufacturing experience, including 5+ years in leadership or transformation. Requires hyperscale systems, test development, analytics, and production test station expertise.
Minitab, JMP, Python, R, SQL, BIOS, BMC, SMC, OS, AI/ML, SPC, PFMEA, Gauge R&R, DOE
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Mechanical Procurement Engineer Senior Principal
New York, New York, United States
RemoteFull Time
12+ YOEBachelor's in mechanical engineering,12+ years mechanical/procurement engineering experience,active Secret clearance,PLM/ERP experience (Aras/Windchill/Costpoint),AS9100/ISO9001 knowledge,20-30% travel.
PLM, Aras, Windchill, ERP, Costpoint, SolidWorks
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
2mo
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Principal
New York City or White Plains
$180k-$273k/yr OnsiteFull Time
15+ YOEBachelor’s degree in civil, chemical or mechanical engineering, geology, chemistry, or environmental science; professional licensure; more than 15 years experience; proven client development and relationships; strong communication and regulatory knowledge.
3w
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Principal Engineer – RIE Module Engineering
Hopewell Junction, New York, United States
$114k-$194k/yr OnsiteFull Time
10+ YOEBachelor's in engineering,10+ years semiconductor manufacturing with 7+ years RIE/module roles; expertise in plasma etch, SPC, DOE, FDC, APC, yield analysis, RCA, FMEA and strong data analytics.
SPC, DOE, Fault Detection and Classification (FDC), Advanced Process Control (APC), FMEA, TEL, Lam Research
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