24 principle developer jobs at 18 companies in Newark, DE

3mo
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Senior Java Developer
Camden or Conshohocken
$145k-$165k/yr HybridFull Time
United States Cold Storage
United States Cold Storage: Provides temperature-controlled warehousing and cold chain logistics services.
8+ YOE8+ years of software development; expert Java and Spring; strong architecture and coding principles; event-driven patterns; observable, testable production systems; containerization; CI/CD; data modeling; API design.
Java, Spring, Hibernate, Kafka, RabbitMQ, Docker, Kubernetes, Terraform, Ansible, CI/CD, GitHub Actions, Jenkins, Dynatrace, Azure Monitor, OpenAPI
1mo
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Software Engineer - Code Assessment
Aberdeen, Maryland, United States
$105k-$120k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
4+ YOE4+ years experience reading and analyzing code for vulnerabilities, proficiency in one or more languages (C/C++, Java, Ada, Rust, Go), knowledge of security principles, IV&V, and ability to prepare professional reports.
C/C++, Java, Ada, Rust, Go, Python, Perl, Independent Verification and Validation (IV&V)
1mo
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Traffic Design Engineer
Hunt Valley, Maryland, United States
$39-$47/hr OnsiteFull Time
Johnson, Mirmiran & Thompson
Johnson, Mirmiran & Thompson: Provides multidisciplinary engineering, architecture, and technology infrastructure services.
Perform traffic engineering design and analysis using engineering principles, prepare plans and computations, analyze survey data, develop cost estimates, and coordinate with project teams.
4d
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SAFETY ENGINEER
Philadelphia, Pennsylvania, United States
$117k-$152k/yr OnsiteFull Time
Naval Surface Warfare Center Dahlgren Division
Naval Surface Warfare Center Dahlgren Division: Develops and integrates advanced naval warfare and weapon systems.
1+ YOEProfessional engineer with specialized safety engineering experience (GS-12 equivalent) applying advanced safety engineering principles; bachelor's in engineering or EIT/PE/FE alternative; supporting documentation required.
1w
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Staff Application Engineer (onsite)
New Freedom or San Antonio or Baltimore
$100k-$140k/yr HybridFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
10+ YOEBachelor's degree,10+ years experience in HVAC or chiller technology,knowledge of refrigeration principles,proficiency with engineering systems,and up to 15% travel.
1mo
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Manufacturing Methods Engineer - Early / Mid-Career
Moorestown, New Jersey, United States
$65k-$139k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
4w
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Advanced RF Engineer
Lansdale, Pennsylvania, United States
OnsiteFull Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
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)
3mo
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Project Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
H&K Group
H&K Group: Provides heavy civil contracting and construction materials solutions.
1+ YOEBachelor’s degree or 1 year related experience; strong knowledge of stormwater, erosion and sediment control; water and sewer design principles; read blueprints; interpret municipal land use ordinances; MS Office; AutoCAD 2017+/Civil 3D; Hydraflow; valid driver’s license.
AutoCAD, AutoCAD Civil 3D, Hydraflow, MS Office
1mo
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Signal Integrity Engineer
Valley Green or Yocumtown or Nashua
OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
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
4w
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Elasticsearch Lead Engineer - SIEM Platform
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
6+ YOE6+ years Elasticsearch experience, undergraduate degree or equivalent, expertise with ECS, AWS, data streaming and data lake integrations, infrastructure-as-code, security principles, and mentoring experience.
Elasticsearch, Elastic Common Schema (ECS), Kibana, AWS S3, Kinesis Data Streams, Lambda, CloudWatch, EC2, IAM, Secrets Manager, AWS CloudFormation, Apache Kafka, Confluent Platform, Apache Iceberg, Terraform, Ansible, CDK, Elastic Security / SIEM, ECK, Kubernetes
1mo
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Senior Signal Integrity Engineer
Valley Green or Yocumtown
HybridFull Time
Amphenol
AmphenolNYSE: APH: Designs and manufactures electrical connectors and interconnect systems.
BS in Electrical Engineering or Physics required. Hands-on frequency- and time-domain characterization experience; experience with TDR, VNA, pattern generators; understanding of electromagnetic principles. MS/PhD and 2+ years industry experience preferred.
TDR, VNA, pattern generators, error detectors, ANSYS HFSS, ANSYS Designer, CST Microwave Studio, HSPICE, MATLAB, ADS
1d
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Entry Level Water Resources Engineer
Bloomfield or Mount Laurel
$82k-$85k/yr OnsiteFull Time
Dewberry
Dewberry: Professional firm providing engineering, architecture, and environmental consulting services.
0+ YOEBachelor's in Civil Engineering (water resources focus) required; knowledge of hydrologic/hydraulic principles, stormwater and drainage design; 0-1 years experience; strong communication; MS Office proficiency.
Microsoft Office
1w
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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
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
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
1w
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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
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
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
2mo
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Transmission Line Engineer 2 - Grid
Reading, Pennsylvania, United States
$69k-$100k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
1+ YOEABET-accredited engineering degree; related engineering/internship experience; proficiency with PLS-CADD/PLS-POLE; 1+ year in transmission line engineering or a Master’s degree; knowledge of engineering principles and design tools; MS Office; strong communication.
PLS-CADD, PLS-POLE, AutoCAD, Microstation, ArcGIS, CDEGS, MATLAB, Python, MS Office
2mo
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Associate or Senior Associate, Fixed Assets / Cost Segregation Engineer (AMCS)
Boston or New York City or Philadelphia or Pittsburgh
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
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
4w
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Underwriting Director (Contract Surety)
Timonium, Maryland, United States
$97k-$189k/yr OnsiteFull Time
CNA
CNANYSE: CNA: Provides commercial property and casualty insurance and risk management.
7+ YOEBachelor's in Business, typically 7+ years underwriting experience, ability to lead and develop underwriters, strong analytical, communication and negotiation skills, knowledge of underwriting principles and Microsoft Office.
Microsoft Office
3d
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SY26-27 Assistant Teacher- High Impact Tutoring
Philadelphia, Pennsylvania, United States
$21-$24/hr OnsitePart Time
School District of Philadelphia
School District of Philadelphia: Providing K-12 public education services in Philadelphia.
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.
2w
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Child Care Worker Part Time Kindred House
West Chester, Pennsylvania, United States
$17/hr OnsitePart Time
Gaudenzia
Gaudenzia: Provides comprehensive addiction and mental health treatment services.
High school diploma/GED required. Knowledge of child care and early childhood development, drug/alcohol program principles, ability to work with clients, maintain records, and hold a valid driver's license.
1w
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Special Education Teacher (In-Class Support)
Voorhees Township, New Jersey, United States
OnsiteFull Time
Voorhees Township School District
Voorhees Township School District: Operates public elementary and middle schools in Voorhees Township.
Valid New Jersey special education teaching certification, bachelor\u0002s degree in education, knowledge of special education principles, ability to develop and implement IEPs, assessments, data analysis, and effective communication with students and parents.

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