226 system development engineer jobs at 111 companies in Elsmere, DE

1mo
Save
Mark Applied
Hide
System Engineer, Senior - MBSE
King of Prussia or Littleton
$89k-$178k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience with CAMEO, SysML, MBSE tools, and DOORS; developing subsystem requirements, system architecture and CONOPs; MBSE modeling and verification planning; active/current security clearance eligibility and U.S. citizenship required.
CAMEO, SysMLs, MBSE, DOORS
1w
Save
Mark Applied
Hide
Lead Product Development Engineer, R&D
Marlborough or Newark
$119k-$187k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
8+ YOELead complex regulated medical device product development, design control, risk management (ISO 14971), V&V, and design transfer; strong systems engineering, manufacturing and DFx experience.
ISO 14971, ISO 13485, DFSS, DOE, Minitab, GD&T, SolidWorks
3d
Save
Mark Applied
Hide
Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOE5+ years building and operating distributed backend systems, experience with GraphQL/REST APIs, Python/Go/Java/C++, relational or NoSQL databases, containerized deployments and CI/CD; Bachelor's preferred; must be authorized to work in the US (no sponsorship).
GraphQL, REST, PostgreSQL, Python, Go, Java, C++, Docker, Kubernetes, MLOps, CI/CD
1mo
Save
Mark Applied
Hide
Field Service Business Development Engineer (Exton, PA, US)
Exton, Pennsylvania, United States
OnsiteFull Time
ANDRITZ
ANDRITZVienna Stock Exchange: ANDR: Provides engineering solutions and equipment for heavy industrial sectors.
Field service engineer role focusing on on-site evaluations, system development, and identifying new business opportunities; travel ~50% to customer sites; collaborate with sales and engineering teams.
1w
Save
Mark Applied
Hide
Product Development Engineer 2 (AI-Native) (Onsite role)
Ambler, Pennsylvania, United States
$90k-$115k/yr OnsiteFull Time
Phenom
Phenom: AI-powered talent experience platform for hiring and retaining talent.
3+ YOE3+ years software/product engineering experience, bachelor's in CS/Software Engineering/IT required (master's preferred). Must build production-quality code, own features end-to-end, and work with AI tooling, APIs, databases, testing, distributed systems, and observability.
Python, Java, JavaScript, TypeScript, Go, SQL, REST APIs, JSON, LLMs, Agent SDK
1mo
Save
Mark Applied
Hide
Principal Software Development Engineer (IC4) - Network Region Build (NRB)
United States or Abilene or Austin or Nashville or Chicago or Pittsburgh or Philadelphia or Saline
$115k-$235k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
6+ YOEStrong software engineering in Python/Java/Go/Rust, networking fundamentals (BGP, TCP/IP, IPv6), experience with distributed systems, Git and CI/CD, Linux production environments; 6+ years experience.
Python, Java, Go, Rust, Git, GitHub Copilot, ChatGPT Enterprise, Oracle AI, Codex, YANG, OpenConfig, NETCONF, gNMI, OCI - DNS, TCP/IP
1mo
Save
Mark Applied
Hide
Senior Software Development Engineer Mainframe COBOL CICS
Hartford or Irving or Scottsdale or Illinois or Tampa or Wellesley or Blue Bell or United States
$93k-$222k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years mainframe development (COBOL, JCL, CICS, DB2, SQL, MQ, Xpeditor, Endevor), 2+ years offshore vendor support, 2+ years healthcare claims experience, strong systems analysis, software design, Agile experience, and strong communication skills.
COBOL, JCL, CICS, DB2, SQL, MQ, Xpeditor, Endevor, Agile, Scrum
1w
Save
Mark Applied
Hide
Product Development Engineer 2 (AI-Native) (Onsite role)
Ambler, Pennsylvania, United States
OnsiteFull Time
Phenom
Phenom: AI-powered talent experience platform for human resources management.
Experience designing and building scalable product features for AI-enabled products; strong programming and system design skills.
javascript, rest apis, go, python, sql, java, typescript
1w
Save
Mark Applied
Hide
Product Development Engineer 2 (AI-Native) (Onsite role)
Ambler, Pennsylvania, United States
OnsiteFull Time
Phenom
Phenom: AI-powered talent experience platform for HR and recruiting.
Experience building scalable product features for distributed systems using modern programming languages and APIs; strong debugging, testing, and communication skills.
TypeScript, Java, Python, JavaScript, Go, SQL, REST APIs
3mo
Save
Mark Applied
Hide
Civil Engineer - Land Development - Entry Level
Centreville, Maryland, United States
$50k-$70k/yr OnsiteFull Time
Davis, Bowen & Friedel
Davis, Bowen & Friedel: Provides architecture, engineering, and land surveying services.
0+ YOEEntry-level civil engineer with knowledge of stormwater, road, water distribution, and sewer systems; AutoCAD experience; four-year degree preferred.
AutoCAD
1mo
Save
Mark Applied
Hide
Senior Systems Engineer
King of Prussia, Pennsylvania, United States
$108k-$228k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOEActive TS/SCI with polygraph, Bachelor’s in CS/Systems/IT/Engineering, 8+ years systems or software engineering, experience translating mission needs into AI/ML requirements, Scrum/Agile experience, ability to develop test procedures and mentor engineers.
Cameo, DOORS, DOORS Next Gen, GitLab, XML, JSON, Scrum, Agile
2w
Save
Mark Applied
Hide
Trading System Engineering Internship: Summer 2027
Hong Kong or Singapore or Philadelphia
OnsiteInternship
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
University student graduating 2028 in CS/CE/Math/STEM; strong C++, C, Rust, C#, Java, and some Python skills; strong logical reasoning. Visa sponsorship available.
C++, C, Rust, C#, Java, Python
3mo
Save
Mark Applied
Hide
Senior Systems Engineer
Annapolis Junction or Jessup
OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOEBachelor's degree in engineering/science; 8-12 years in systems engineering; experience in requirements development, design, integration; TS/SCI with Polygraph.
DoDAF, SOA, Agile, Hybrid development
1mo
Save
Mark Applied
Hide
Business Development Manager
Bangkok or Malaysia or Wilmington
HybridFull Time
Solenis
Solenis: Manufacturer of specialty chemicals for water treatment and hygiene.
5+ YOEBachelor's in engineering/chemistry/environmental science, 5+ years in water treatment or industrial services, business development/technical sales experience, familiarity with cooling water systems, Salesforce, and proficiency in English and Mandarin.
Salesforce
2d
Save
Mark Applied
Hide
Software Systems Engineer
Auburn or Aberdeen
$65k-$175k/yr OnsiteFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
Bachelor's in engineering/computer science, US citizenship, ability to architect software, produce system engineering artifacts, develop test plans, perform integration, and travel for customer support.
C++, cmake, Docker, Kubernetes, Helm, git, CI/CD
2mo
Save
Mark Applied
Hide
Staff Systems Engineer
Aurora or Ypsilanti or Philadelphia
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOETS/SCI with poly; Bachelor's in CS, systems engineering, IT, or related field; 5+ years in software or systems engineering; strong cross-organizational communication; ability to develop requirements, test procedures, and traceability; experience with Scrum/Agile; IAT Level II or III certification.
2mo
Save
Mark Applied
Hide
Project Engineer, Utility
Arlington or New York or Conshohocken
$94k-$113k/yr HybridFull Time
AES
AESNYSE: AES: Provides electricity and renewable energy solutions globally.
3+ YOEUndergraduate engineering degree; 3+ years in energy system design/project development; electrical design experience; Procore; strong communication and teamwork.
Procore, AutoCAD, PVsyst, ETAP, SKM
1mo
Save
Mark Applied
Hide
Senior Mechanical Engineer
Aberdeen Proving Ground, Maryland, United States
$145k-$158k/yr OnsiteFull Time
Envision Innovative Solutions
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
8+ YOE8+ years mechanical engineering experience designing, developing, testing, and integrating mechanical or electromechanical systems; experience producing engineering drawings and test procedures; active Secret clearance preferred Top Secret.
Computer-Aided Design (CAD)
1mo
Save
Mark Applied
Hide
Radar Systems Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
Support development, integration, and sustainment of complex systems; MATLAB modeling; requirements analysis; system architecture; integration and test; collaboration with software/hardware/test teams; documentation.
MATLAB
1mo
Save
Mark Applied
Hide
Senior Engineer, Wastewater
Philadelphia or Rockaway
HybridFull Time
TYLin
TYLin: Engineering and design services for transportation and building infrastructure.
8+ YOEB.S. in Civil or Environmental Engineering, PE required, 8+ years' experience, project delivery and team management experience, hydraulic calculations, wastewater system design, cost estimating, technical writing, and business development skills.