27 principle developer jobs at 21 companies in Devon, PA
1w
Save
Mark Applied
Hide
Advanced Emerging Tech Engineer, Principle
Bethlehem or Kalamazoo
OnsiteFull Time
Bachelor's degree in engineering or related field, several years product development or R&D experience, technical leadership of sprint teams, strong problem-solving and communication skills.
3d
Save
Mark Applied
Hide
Senior AI/ML Engineer
Malvern or Philadelphia or Charlotte
HybridFull Time
5+ YOEMaster’s degree in a related field, 5–8 years of AI/ML or software development experience, Python, ML frameworks, LLMs, agentic principles, vector databases, data pipelines, and retrieval systems.
Python, TensorFlow, PyTorch, scikit-learn, AWS, MLOps
6d
Save
Mark Applied
Hide
Manufacturing Engineer
North Wales, Pennsylvania, United States
$75k-$120k/yr OnsiteFull Time
3+ YOEDevelop and sustain CNC machining and inspection processes; design tooling and fixtures; troubleshoot machining and tooling; read blueprints; apply ISO 9001 principles.
CNC, FeatureCAM, PartMaker, PowerMill, NX
3mo
Save
Mark Applied
Hide
Software Development Engineer in Test (SDET)
Trenton, New Jersey, United States
$109k-$127k/yr OnsiteFull Time
7+ YOE7+ years software delivery; 5+ years QA; Bachelor's degree; strong QA principles; test automation tools; API testing; multiple languages; Git.
Selenium, Playwright, Cypress, TestNG, JUnit, NUnit, Postman, RestAssured, Git, NeoLoad, JMeter, Docker, Kubernetes
1mo
Save
Mark Applied
Hide
Advanced RF Engineer
Lansdale, Pennsylvania, United States
OnsiteFull Time
Proven RF design experience for aerospace, knowledge of RF principles and antenna design, proficiency with Keysight ADS/Cadence AWR/ANSYS HFSS/CST, RF testing and validation experience, and ability to obtain security clearance.
Keysight ADS, Cadence AWR, ANSYS HFSS, CST, software-defined radio (SDR)
1mo
Save
Mark Applied
Hide
Manufacturing Methods Engineer - Early / Mid-Career
Moorestown, New Jersey, United States
$65k-$139k/yr OnsiteFull Time
3+ YOEUS citizen with Secret clearance, typically 3+ years engineering experience; ability to develop/optimize assembly processes, write process instructions, apply Lean principles, work with drawings/models, use MES and Microsoft Office, and train production personnel.
Manufacturing Execution Systems (MES), Microsoft Office
1mo
Save
Mark Applied
Hide
Signal Integrity Engineer
Valley Green or Yocumtown or Nashua
OnsiteFull Time
BS in Electrical Engineering or Physics required; hands-on frequency- and time-domain characterization; experience with TDR, VNA, pattern generators, error detectors; understanding of electromagnetic principles; EM simulation tools preferred.
TDR, VNA, pattern generators, error detectors, Ansys HFSS, Designer, CST Microwave, HSPICE, MatLab, ADS
2w
Save
Mark Applied
Hide
Lead Professional, Signal Engineer - CBTC
New York or Valhalla or Troy or Lawrenceville or Morristown or Newark
$124k-$182k/yr OnsiteFull Time
7+ YOEBachelor\u0002s in electrical/systems/railway engineering or 7+ years relevant CBTC/fixed-block signaling experience; experience with interlocking logic, block design, test procedures, and NYCT signaling principles; ability to support off-hour testing and field reviews.
3d
Save
Mark Applied
Hide
Transmission Line Engineer 2 - Grid
Hamilton, New Jersey, United States
$69k-$100k/yr HybridFull Time
1+ YOEABET engineering degree, PLS-CADD and PLS-POLE proficiency, and 1+ year transmission line engineering experience or a master's degree. Requires engineering principles, design, communication, and MS Office skills.
PLS-CADD, PLS-POLE, Microsoft Office, PLS-TOWER, SAG10, LPILE, MFAD, ArcGIS, CDEGS, AutoCAD, MicroStation, NESC, IEC, CSA, IEEE, ANSI, IBC, ASCE 7, AISC, ACI 318, Python, MATLAB, Microsoft Excel, AI
2w
Save
Mark Applied
Hide
Returning New Grad Engineer I - Winter/Summer 2027 - Northeast Division (For Current/Former HNTB Interns Only)
New York or South Portland or Princeton or Bedford or Boston or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$66k-$125k/yr OnsiteFull Time
Bachelor's degree in Engineering required; knowledge of engineering principles; familiarity with Microsoft Office, MicroStation and/or AutoCAD; EIT preferred; master's preferred.
Microsoft Office, MicroStation, AutoCAD
2w
Save
Mark Applied
Hide
Returning New Grad Engineer I - Winter/Summer 2027 - Northeast Division (For Current/Former HNTB Interns Only)
New York or South Portland or Princeton or Bedford or Boston or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$66k-$125k/yr OnsiteFull Time
Bachelor's degree in Engineering required; understanding of engineering principles; familiarity with Microsoft Office, MicroStation and/or AutoCAD; EIT preferred; Master's preferred.
Microsoft Office Suite, MicroStation, AutoCAD
3w
Save
Mark Applied
Hide
Construction Materials Project Engineer
Allentown, Pennsylvania, United States
OnsiteFull Time
2+ YOEBachelor's in civil/materials/architectural engineering or geology, PE or PG required, minimum 2 years relevant experience, valid driver's license, strong communication and marketing skills, knowledge of CMT principles and ASTM standards.
1mo
Save
Mark Applied
Hide
Senior AI Security Engineer (UT, US, 84043)
Lehi or Princeton or Houston
HybridFull Time
2+ YOEHands-on experience with AI systems, APIs, data pipelines, dashboards, scripting (Python/JavaScript/PowerShell), cloud platforms (Azure/AWS/GCP), and foundational cybersecurity principles; bachelor's degree or equivalent and 2+ years technical experience.
APIs, REST, Power BI, Tableau, Python, JavaScript, PowerShell, Azure, AWS, GCP, NIST CSF, OWASP
2mo
Save
Mark Applied
Hide
Associate or Senior Associate, Fixed Assets / Cost Segregation Engineer (AMCS)
Boston or New York City or Philadelphia or Pittsburgh
OnsiteFull Time
1+ YOEBachelor's in engineering/architecture/construction management,1+ year experience (2+ preferred for Senior),knowledge of construction/building systems,familiarity with federal depreciation principles,advanced Excel and data tools.
Microsoft Excel, Power Query, Alteryx, Power BI, Tableau, SQL, Python, R
1mo
Save
Mark Applied
Hide
Senior Manager, DMC SAP OTC
Princeton, New Jersey, United States
$159k-$193k/yr OnsiteFull Time
Supervise application development, perform test code reviews, design and implement monitoring, apply secure coding principles, collaborate across engineering teams, and improve agile development lifecycle.
SAP
3w
Save
Mark Applied
Hide
Proposal Development Coordinator 1
Souderton, Pennsylvania, United States
OnsiteFull Time
2+ YOEHigh school diploma, minimum 2 years sales-support or corporate customer service experience, client-facing communication, knowledge of sales principles, ability to use ERP/financial tools; bachelor's preferred.
COSMOS (ERP system)
5d
Save
Mark Applied
Hide
Sr Advanced Mech Design Engr
Allentown, Pennsylvania, United States
HybridFull Time
6+ YOEBachelor's in engineering, minimum 6 years pipe stress analysis, ASME B31.3 knowledge, proficiency with Bentley AutoPIPE or CAESAR II, strong piping engineering principles, U.S. Person required.
Bentley AutoPIPE, CAESAR II, Microsoft Office, NozzlePro, FEPipe, ANSYS, Hexagon Smart 3D
3d
Save
Mark Applied
Hide
Associate Metallurgist – Technology
Reading, Pennsylvania, United States
OnsiteFull Time
0+ YOEBachelor’s degree in metallurgical engineering, materials science, chemical engineering, or related field; 0–2 years of relevant experience; knowledge of metallurgical principles, equipment, statistics, Six Sigma, and BPI.
Six Sigma, BPI
1w
Save
Mark Applied
Hide
Scientific Affairs Manager
Princeton, New Jersey, United States
$113k-$227k/yr OnsiteFull Time
5+ YOE5+ years clinical research/medical affairs/project management experience, Bachelor’s degree required, knowledge of clinical trials, statistics, IVD principles, and regulatory/compliance; willing to travel up to 25%.
1w
Save
Mark Applied
Hide
SY26-27 Assistant Teacher- High Impact Tutoring
Philadelphia, Pennsylvania, United States
$21-$24/hr OnsitePart Time
Minimum 30 college credits or current enrollment/graduation from an accredited college; able to work 20 hours/week per tutoring schedule; knowledge of education principles and child development.
Explore Jobs