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Principal Engineer
Denver or United States
RemoteFull Time
8+ YOE8+ years of software engineering; 3+ years in Staff/Principal/Architect; cloud-native, AWS serverless; mentoring; multi-language proficiency; observability and design docs.
AWS, Lambda, EventBridge, DynamoDB, StepFunctions, ECS, RDS, API Gateway, S3, CloudWatch, Aurora, Auth0, LangChain, Playwright, PHP, Python, Java, TypeScript
1mo
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Principal/Senior Principal Engineer - TS/SCI Clearance
Long Beach, California, United States
$180k-$250k/yr OnsiteFull Time
12+ YOEActive TS/SCI clearance; U.S. citizenship; 12+ years (Principal) or 15+ years (Senior Principal) in satellite/spacecraft programs; engineering degree; subsystem and orbital mechanics knowledge.
MATLAB, Python, STK
2mo
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Senior Principal Engineer (API)
West Deptford, New Jersey, United States
$120k-$130k/yr OnsiteFull Time
10+ YOESenior Principal Engineer with API manufacturing, validation, and regulatory compliance; 10+ years in pharma; leadership and CDMO collaboration.
2mo
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Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr RemoteFull Time
7+ YOE7+ years software engineering; principal-level impact; designed and operated large-scale distributed systems; strong backend; healthcare experience a plus.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform
2mo
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Principal Project Engineer
Kennesaw or Tampa
$140k-$185k/yr OnsiteFull Time
10+ YOEBachelor's in Mechanical Engineering; 10+ years power generation engineering; lead/principal role 3–5 years; experience with simple-cycle and combined-cycle plants; travel up to 15%; PE preferred.
Design software, P&ID tools, Project management software, BOP design tools
1mo
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Principal Engineer Electrical
Charlotte, North Carolina, United States
OnsiteFull Time
12+ YOEBachelor's in Electrical Engineering; 12–15 years in power generation; senior or principal EPC experience; NEC/IEEE/NEMA/ANSI knowledge; PE license preferred.
1mo
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Sentinel - Principal/Sr. Principal Systems Engineer - 16824*
Roy or Huntsville or Colorado Springs or Bellevue
$98k-$184k/yr OnsiteFull Time
5+ YOEUS citizen with active DoD Secret Clearance; 5+ years experience for Principal, 8+ years for Sr. Principal; MBSE/MBE experience; requirements management; model-based engineering tools; 1+ year leadership; ICBM/ Sentinel experience helpful.
Cameo Enterprise Architecture, MBSE, DOORS, Rhapsody, MagicDRAW
2mo
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Principal Engineer
Pittsfield, Massachusetts, United States
$125k-$165k/yr OnsiteFull Time
10+ YOE10+ years engineering experience; Bachelor's in engineering or engineering technology; PE required.
PLSCAD, LiDAR
3mo
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Principal Engineer
Phoenix, Arizona, United States
$100k-$150k/yr HybridFull Time
5+ YOEBachelor's in Engineering; 5+ years in engineering or planning; PE licensure; ability to manage projects and communicate with diverse stakeholders.
Microsoft Windows, Microsoft Office, Word, Outlook, PowerPoint, Excel, Microsoft Teams, Zoom, Webinar tools
1mo
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Principal Engineer
Sacramento, California, United States
$127k-$158k/yr RemoteFull Time
15+ YOE5+ MgmtSenior geotechnical engineer with 15+ years, CA PE license, BS in Civil Engineering/Geology, MS in Geotechnical Engineering/Geology preferred, strong project/client management, field investigations, and technical reporting.
Geotechnical analysis software, Seepage analysis, Slope stability analysis, Seismic hazard assessment, Liquefaction, Settlement, Pavement design, Deep foundations
1mo
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Principal Engineer
Eastvale, California, United States
$155k-$193k/yr OnsiteFull Time
4+ YOE3+ MgmtBachelor’s in Civil Engineering, CA Professional Engineer (PE) registration, 4+ years civil engineering experience including public works, and 3 years supervisory experience; experience managing CIP projects and federal funding processes.
3w
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Principal Engineer
Santa Clara or Santa Clara County or San Francisco or California
$208k-$269k/yr OnsiteFull Time
5+ YOE2+ MgmtBachelor's in Civil Engineering (or equivalent), CA Civil Engineer registration, 5+ years civil engineering experience with 2 years supervisory experience, Class C CA driver, experience with development review, permitting, and project management.
2mo
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Principal Engineer
Minneapolis, Minnesota, United States
$161k-$218k/yr OnsiteFull Time
10+ YOEBachelor's in CS or related field; 10+ yrs engineering; 5+ yrs leading teams; strong influencing; lead engineer responsibilities.
CI/CD, Open Source
2mo
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Principal Engineer
Durham, North Carolina, United States
$86k-$133k/yr OnsiteFull Time
5+ YOEBachelor’s degree in engineering; five years professional engineering experience; North Carolina PE registration or equivalent; NC Class C Driver’s License.
GIS, AutoCAD
2mo
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Principal Engineer, Identity Data Security and Trust
Menlo Park, California, United States
$264k-$380k/yr OnsiteFull Time
12+ YOE12+ years software engineering; 5+ years as principal/architect; security, DLP, cloud infra.
Java, Go, C++, AWS, GCP, Azure, TLS, HTTP, DNS
1mo
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Principal Engineer
Montgomery, Alabama, United States
$89k-$152k/yr OnsiteFull Time
7+ YOEBachelor’s in Civil Engineering with seven years of public works design, management and supervision; Licensed Professional Engineer in Alabama; Flood Plain Manager Certification; valid Alabama Driver License.
2mo
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Principal Engineer
Sedro Woolley, Washington, United States
$160k-$215k/yr OnsiteFull Time
Bachelor's in mechanical engineering; extensive experience solving complex engineering problems; cross-disciplinary leadership; CAD experience; US citizenship or permanent resident; ability to obtain U.S. Secret security clearance.
CATIA, NX, CAD
2mo
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Principal Engineer
Sedro Woolley, Washington, United States
$160k-$215k/yr OnsiteFull Time
Bachelor’s degree in mechanical engineering or related field; extensive experience solving complex engineering problems; lead cross-functional initiatives; CAD experience; US citizenship and ability to obtain security clearance.
CATIA, NX, CAD
1mo
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Principal Engineer
Toronto or Ottawa or San Francisco
HybridFull Time
12+ YOE12-18 years software engineering; staff+ / principal level; scalable distributed systems; backend, APIs, microservices; fintech experience; hands-on coding and architecture.
AWS, GCP, Azure, Distributed Systems, APIs, Microservices, AI/LLM tooling
1d
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Principal Engineer
New York, New York, United States
$180k-$230k/yr HybridFull Time
8+ YOE3+ MgmtBachelor's in CS or related,8+ years engineering experience,3+ years engineering leadership,knowledge of TCP/IP/TLS/HTTP/DNS/BGP,SRE practices,ability to communicate technical topics and travel internationally.
TCP/IP, TLS, HTTP/*, DNS, BGP, SRE
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