208 principal engineer jobs at 86 companies in Devon, PA
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Principal Engineer, Platform Systems
Blue Bell or Boca Raton or Irving
$146k-$218k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent experience and 10+ years of software engineering experience. Requires distributed systems, cloud-native architecture, cross-team technical leadership, direct implementation, and communication expertise.
Java, Spring, TypeScript, JavaScript, Kotlin, Swift, Python, C, C++, AWS, GCP, Docker, Kubernetes, CI/CD
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Principal Engineer, Platform Systems
Blue Bell or Boca Raton or Irving
$146k-$218k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent experience and 10+ years of software engineering experience. Requires distributed systems, cloud-native architecture, cross-team technical leadership, hands-on implementation, communication, and mentoring expertise.
Java, Spring, TypeScript, JavaScript, Kotlin, Swift, Python, C, C++, AWS, GCP, Docker, Kubernetes
2mo
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Principal Process Engineer
Collegeville, Pennsylvania, United States
$110k-$140k/yr OnsiteFull Time
PhD or MS/BS with relevant years in pharmaceutical sciences or chemical engineering; lyophilization expertise; process development; tech transfer; strong communication and safety mindset.
Lyophilization, Process Development, PAT, Modelling Software, Laboratory Equipment, Microsoft Office
2mo
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Principal Transmission Engineer
Lansdale, Pennsylvania, United States
OnsiteFull Time
10+ YOESupervisor of technical staff with 10+ years in power transmission design; ABET-accredited degree in Civil/Structural or Electrical Engineering; PE licensure; proficient in industry software.
PLS-CADD, MFAD, AutoCAD, Microsoft Office
2mo
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Senior Principal Mechanical Engineer
Reading, Pennsylvania, United States
OnsiteFull Time
Extensive mechanical engineering experience with project leadership, cost estimating and proposal writing; competent with engineering software and MS Office; bachelor’s in mechanical engineering required; PE preferred.
Microsoft Office
1mo
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Senior Principal Electrical Engineer
Reading or Charlotte or Kansas City
OnsiteFull Time
Extensive electrical engineering experience with project leadership, cost estimating, technical consulting, knowledge of standards, competency with electrical engineering software and Microsoft Office; BS/MS in engineering required; PE preferred.
Microsoft Office Suite
1mo
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Sr Principal Engineer Propulsion
Elkton, Maryland, United States
$136k-$204k/yr OnsiteFull Time
Bachelor's in Engineering (or higher) with relevant experience; ability to obtain a Secret clearance (US citizenship required); willingness to travel ~25%; experience with propulsion, systems engineering, and design practices preferred.
Siemens NX, Siemens Teamcenter United Architecture
1mo
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Principal Engineer - Stormwater & Flood Risk
Iselin or Philadelphia
HybridFull Time
15+ YOEPE (NJ required), CFM preferred, 15+ years in stormwater/CSO/flood risk engineering, advanced H&H modeling experience (HEC-RAS, HEC-HMS, XP-SWMM, InfoWorks ICM, SWMM), strong permitting and client-facing skills, mentoring ability.
HEC-RAS, HEC-HMS, XP-SWMM, InfoWorks ICM, SWMM
2w
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Engineer II/III/Principal
Allentown, Pennsylvania, United States
OnsiteFull Time
2+ YOEABET-accredited engineering degree required with 2+ years (Engineer II) to 10+ years (Principal) of engineering experience; utility operator experience may count; BLS/CPR not mentioned.
2mo
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Engineer I/II/III/Principal
Allentown, Pennsylvania, United States
OnsiteFull Time
2+ YOEBachelor's degree in engineering or ABET-accredited engineering technology; multiple experience levels (Level II/III/Principal) with increasing requirements.
GE AEMS, ADMS, EMS
2w
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Engineer 2A/Engineer 3B/Principal Engineer
Kennett Square or Baltimore
$93k-$168k/yr OnsiteFull Time
2+ YOEBachelor's degree in engineering and 2+ years related experience (higher levels require 5–10 years); maintain access and medical requirements; preferred leadership and advanced degrees for senior/principal roles.
2mo
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Sr Principal Mechanical Engineer
Bethlehem or Houston or Allentown
OnsiteFull Time
10+ YOEBSME or related degree, 10+ years turbomachinery/rotating machinery design experience, FEA and rotordynamics skills preferred, 2D/3D CAD, programming (VB, C#, C+, Python, Matlab, Fortran) a plus.
FEA, 2D CAD, 3D modeling, VB, C#, C+, Python, Matlab, Fortran
2mo
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Photonics Transceiver Engineer, Senior / Principal
Hamilton Township, New Jersey, United States
$105k-$160k/yr OnsiteFull Time
10+ YOEBachelor’s degree in electrical engineering or physics; 10+ years in photonics design; senior/principal level depending on experience.
VCSELs, photodiodes, laser drivers, TIA, amplifiers, firmware, BERTs, DCAs, optical switches, attenuators, power meters, thermal chambers, SolidWorks, Microsoft Office
1mo
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Principal Process Safety Engineer-Mobile, Alabama
Mobile or Allentown or Lafayette
OnsiteFull Time
5+ YOEB.Sc. in chemical engineering/process technology/chemistry (M.Sc./PhD preferred), minimum 5 years (10 preferred) chemical industry experience in process safety, strong safety engineering and regulatory knowledge, analytical skills, English proficiency, willing to reside or relocate to Mobile, AL, up to 25% travel.
2mo
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Principal AI & Automation Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
10+ YOELead QA with AI-driven test automation, cloud-native, microservices; CI/CD; Python/Go; observability; network/test tools.
Python, Go, Shell scripting, Linux, IXIA, ByteBlower, Git, Jenkins, GitLab CI, Kubernetes, Docker
3mo
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Principal Research Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in Electrical Engineering or Computer Science; 5 years in analog/digital electronics; embedded systems, PCB design, Matlab/Simulink, IAR; prototype and test hardware and firmware.
Embedded software (IAR), MATLAB, Simulink, PCB design, Soldering, Schematic design
1mo
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Senior Principal Engineer
Dublin or Philadelphia
HybridFull Time
12+ YOE12+ years building large-scale API platform architecture; expertise in API gateways, OAuth/OIDC, metering/billing, cloud-native distributed systems, and strong coding plus cross-team communication skills.
Cesium, Seequent EVO, iTwin, API gateway, OAuth 2.0, OIDC, IMS OAuth, event streaming, ERP, MCP
3mo
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Principal AI Engineer
Malvern, Pennsylvania, United States
HybridFull Time
7+ YOE7+ years AI engineering; 5+ years programming (Java/Python/Shell); 5+ years IaC (Terraform/Crossplane); 5+ years AWS/Azure; 5+ years automation tools; 2+ years AI/Gen AI.
Java, Python, Shell scripting, Terraform, Crossplane, AWS, Azure, Ansible, Harness CD, GitHub Actions, Playwright, LLMs, embeddings, RAG pipelines, fine-tuning
1mo
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Sr Principal Engineer Tunnels SME - 90333627 - Philadelphia (Philadelphia, PA, US, 19104)
Philadelphia, Pennsylvania, United States
$149k-$194k/yr OnsiteFull Time
9+ YOEBachelor's degree or equivalent, 9+ years relevant experience, SME in tunnel design/construction and geotechnical engineering, experience with TBM/SEM and multiple delivery methods, PE/PG preferred, proficiency with Microsoft Office, Primavera/Microsoft Project.
Microsoft Office, Primavera, Microsoft Project
2mo
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Principal Noise Consultant
Cambridge or Philadelphia or Fairfax or Los Angeles or Chicago or Houston or Charlottesville or Huntsville
$115k-$145k/yr HybridFull Time
5+ YOESenior- to principal-level acoustics consultant with 5+ years in environmental noise; degree in engineering/science with acoustics/vibration focus; strong project management, communication, and field/measurement experience.
CadnaA
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