3,916 systems developer jobs at 1,441 companies in Princeton, NJ
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Systems Engineer (C++)
New York City, New York, United States
$175k-$275k/yrOnsiteFull Time
LM Studio: Desktop software for running large language models locally and privately.
4+ YOE4+ years building production C++ systems software; strong performance, reliability, and API design; RAII; concurrency and memory management; experienced with profiling and hardware counters.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOE3+ years experience with a Bachelor's; experience developing requirements, CAMEO/DOORS/MBSE familiarity; Secret clearance with ability to obtain Top Secret; strong communication and systems engineering skills.
CAMEO, DOORS, Model-Based Systems Engineering (MBSE)
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
5+ YOEBachelor's in CS/Engineering/Math, 5+ years industry experience, strong C++ systems development, familiarity with machine learning/computer vision, Git and Unix shell proficiency, experience deploying/testing on cloud and large geospatial datasets.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOETS/SCI with Poly required, Bachelor's in CS/Systems/IT or related, 5+ years in software development or systems engineering, IAT Level II/III (Security+, CISSP, or CASP), Scrum/Agile experience, ability to develop requirements and test procedures.
Scrum, Agile, Cameo, DOORS, DOORS Next Gen, XML, JSON
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
3+ YOE3-5 years in software engineering or advanced automation; experience with LLMs, AI-enabled workflows, and production integration; strong API integration (n8n, Zapier, Workato); familiarity with HR systems; independent in fast-paced environments; clear stakeholder communication.
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
8+ YOEBA/BS or equivalent,8-12 years experience,proficiency with Python,SQL,Linux,Git,Google Suite,AWS and Databricks;strong diagnostic,process improvement,and leadership skills.
Python, SQL, Linux OS, Git (GitLab), Google Suite, AWS, Databricks, Magnite, Freewheel, D2, DAI Web Apps, xRef DB, SET
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
5+ YOE5+ years of systems engineering; strong ability to design, integrate and test complex hardware/software systems; gather requirements and document configurations.
New York City or Denver or San Francisco or United States
$115k-$280k/yrHybridFull Time
Ambrook: Financial management platform for agricultural and industrial businesses.
Expert TypeScript and React frontend engineering; experience owning design systems, migrations, codemods, performance and accessibility, and using coding agents to automate workflows.
San Francisco or New York City or Austin or Seattle
$175k-$300k/yrOnsiteFull Time
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experienced engineer building observability, control planes, and API surfaces for large fleets; production service ownership, pager/incident experience, fluent with AI tooling and distributed systems.
LLM APIs, MCP servers, Claude Code, Cursor, Prometheus, Thanos, VictoriaMetrics, Temporal, Cadence, BMC/Redfish, Go, Python, Postgres, Kubernetes, ZTP, DHCP, DNS
CarrierNYSE: CARR: Manufactures HVAC, refrigeration, and fire safety systems.
3+ YOEBachelor's degree, 3+ years experience in refrigeration/HVAC product design and development, expertise in heat transfer, fan systems, thermal management, testing, and reliability analysis.
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOERequires Top Secret clearance (willing to upgrade to TS/SCI and pass polygraph), BS in a related engineering/science field, 8+ years systems engineering experience (6+ with MS), experience with sensor imaging systems and test design, strong written/oral communication.
NDI Engineering: Provides engineering and technical services for naval and defense systems.
5+ YOEBachelor's degree in engineering; minimum 5 years Systems Engineering experience; DoD/DoD 5000 lifecycle experience; US citizenship and ability to obtain security clearance.
Bachelor's degree in a science/technology discipline, U.S. citizenship, eligible to obtain DoD security clearance (Secret); preferred: active DoD clearance and systems testing experience.
Weapons Control System (WCS), Aegis Weapon System, Aegis Combat System
Thompson Gray: Provides financial management and programmatic support for defense agencies.
10+ YOEActive Secret clearance, Bachelor's in a STEM field, minimum 10 years systems engineering or Army acquisition/program integration experience; strong analytical, communication, and MS Office skills.
Model-Based Systems Engineering (MBSE), Microsoft Word, Microsoft Excel, Microsoft PowerPoint, JCIDS, DAS, PPBE, DOTMLPF-P
The GBS Group: Provides technical engineering and maintenance services for infrastructure assets.
2+ YOEBachelor’s in Electrical Engineering; 2+ years Navy ship systems experience; PLC experience (Rockwell/AB); DoD Secret clearance; Windows/Microsoft Office proficiency; travel ~35%; U.S. citizenship.
Rockwell/Allen-Bradley PLC, Windows 10, Microsoft Office, Linux
ASRC Federal: Provides engineering and IT services to federal government agencies.
2+ YOEBachelor’s degree in STEM with 2-4 years of related experience; ability to obtain/maintain government clearance; agile environment experience; systems/data analysis; proficiency in C++, Java, MATLAB or Python.
Shanghai or Hong Kong or Singapore or New York City
HybridFull Time
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
1+ YOEBachelor's degree in CS/engineering, 1–5 years in Linux/DevOps/HPC or infrastructure, strong Linux internals knowledge, experience with cloud, containers, scripting (Python/Go/Bash), and cluster/storage systems.
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.
Beacon Biosignals: Provides AI-powered EEG monitoring and analytics for brain health.
5+ YOEBS in engineering required; 5+ years post-grad engineering experience (3+ with MS). Systems engineering, requirements, V&V, risk management, manufacturing transfer, cross-functional integration, and strong communication skills.