231 principal engineer jobs at 91 companies in Phoenixville, PA
1w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
Principal BESS Engineer
Scottsdale or San Diego or San Francisco or Houston or Denver or Princeton
$140k-$195k/yr HybridFull Time
8+ YOERequires 8+ years in utility-scale BESS engineering, integration, development, and commissioning; knowledge of electrical, fire safety, interconnection, controls, and utility standards; Excel and Python skills.
Microsoft Excel, Python, TCP/IP, Modbus/TCP, Power Plant Controller, Energy Management Systems (EMS), Battery Management Systems (BMS), SCADA, UL, IEEE, National Electrical Code, NFPA, UL1973, UL9540/A
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
Principal Engineer, Cloud & Data Platform
Mount Laurel, New Jersey, United States
RemoteFull Time
15+ YOE15+ years in software, data, or infrastructure engineering; deep AWS, working Azure, Databricks, Python, SQL, infrastructure-as-code, CI/CD, APIs, and healthcare data experience preferred.
Amazon Web Services (AWS), Microsoft Azure, AWS CDK, Bicep, Terraform, Databricks, Apache Spark, Delta Lake, Unity Catalog, Delta Live Tables, Python, SQL, Git, HL7 FHIR, SMART on FHIR, OAuth 2.0, HL7 v2, NCPDP, EHR, IAM, CI/CD
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
6h
Save
Mark Applied
Hide
Principal Engineer - Product Design
Oldham or Malvern or Mexico or Japan or Switzerland or Germany or Sweden or Malta
HybridFull Time
Bachelor's degree or equivalent experience; extensive customer-centric product development experience; advanced SolidWorks or Creo proficiency; leadership across multidisciplinary global teams.
SolidWorks, Creo, Computer-Aided Design (CAD), Engineering Development Process (EDP), UX, UI
1d
Save
Mark Applied
Hide
Principal Engineer, Software Engineering - eCommerce Applications
Conshohocken or Delaware or New Jersey
$111k-$221k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years in software engineering, including 3+ years in a principal, staff, lead, or equivalent role. Requires enterprise eCommerce experience and proficiency with modern architectures, programming, cloud, security, and DevSecOps.
Microservices, RESTful APIs, Java, C#, JavaScript, TypeScript, Python, Azure, AWS, Google Cloud, CI/CD, DevSecOps, Adobe Commerce, Magento, Salesforce Commerce Cloud, SAP Commerce Cloud, Shopify Plus, Adobe Experience Manager, Sitecore, Azure API Management, Okta, Azure AD, Auth0, Kubernetes
4w
Save
Mark Applied
Hide
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.
3mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Explore Jobs