107 software systems engineer jobs at 64 companies in Plainfield, CT
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Senior Software Systems Engineer
Marlborough, Massachusetts, United States
$111k-$150k/yr HybridFull Time
4+ YOEBS/MS in engineering or CS, 4+ years software engineering experience, embedded/connected device experience, systems-level debugging, cross-layer software expertise, authorized to work in the U.S.
Bluetooth Low Energy (BLE), IoT, iOS, Android, Flutter, Git, CI/CD, C/C++, APIs
3mo
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Embedded Systems Software Engineer
North Kingstown, Rhode Island, United States
OnsiteFull Time
C++ for embedded systems, microcontrollers, bus interfaces, wiring diagrams; Python/MATLAB scripting; hands-on hardware interaction.
C++, Linux, RTOS, Microcontrollers, Python, MATLAB, LabVIEW, Simulink, CAN, SPI, PWM, ADC, Serial
1mo
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Principal Systems Engineer
Tewksbury or Marlborough
$108k-$205k/yr OnsiteFull Time
8+ YOESTEM degree and 8+ years experience; active transferable U.S. government Secret clearance and U.S. citizenship required; systems engineering experience (software/hardware/requirements/integration/test); MATLAB proficiency.
MATLAB, C++, Python, DOORS, Rhapsody, Cameo
1mo
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SYSTEMS ENGINEER III
Newport or Middletown
OnsiteFull Time
5+ YOEBachelor's in a technical discipline, minimum 5 years engineering experience with hardware/software systems, proficiency in C/C++/Python/MATLAB/Java, Linux/Windows, networking, Git; U.S. citizenship and Secret (or higher) clearance required.
C, C++, Python, MATLAB, Java, Linux, Windows, Git, RMF, NIST 800-53, STIG
2mo
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Systems Engineer - Signals Intelligence (SIGNIT)
Middletown, Rhode Island, United States
OnsiteFull Time
6+ YOEMid-level Systems Engineer with SIGINT/EW experience; hardware/software integration; travel to customer sites.
Wrangler/Wings, CED, Thresher, GALE, Martes/Aspen
1w
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Senior Software Engineer - D425 Hull, Mechanical & Electrical Systems
Groton, Connecticut, United States
HybridFull Time
5+ YOEBSc in CS/Electrical/Computer Engineering,5+ years software engineering experience,ability to obtain DoD Secret clearance,embedded software and hardware integration,unit testing,source control experience.
C++, Java, .NET, Python, Git, SVN, Linux RTOS, LabVIEW, IBM DOORS
1mo
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Embedded Software Engineer (cleared)
Taunton, Massachusetts, United States
$105k-$111k/yr OnsiteFull Time
2+ YOEBachelor's in Software Engineering or related field,2+ years experience (or Master's +6 months),U.S. citizenship and active Secret clearance at hire,experience in real-time embedded Linux,C/C++ or Rust,EMBEDDED systems development.
Linux, C, C++, Rust, Security-Enhanced Linux (SELinux), ARMv8, Integrated Development Environments (IDE)
1mo
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Senior Software Engineer — File System
Boston or Marlborough
HybridFull Time
7+ YOE7+ years software engineering experience with systems programming (C/C++), distributed systems, file system or storage experience, Kubernetes experience, and strong communication and technical leadership skills.
C, C++, Kubernetes, NFS, SMB, S3, POSIX, FUSE, eBPF, Linux, Strider, CUFS, CI/CD
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Senior Software Engineer
Providence, Rhode Island, United States
$114k-$163k/yr HybridFull Time
3+ YOEBachelor's degree and 3+ years software engineering experience; experience with regulated environments (FDA/IEC 62304), embedded and cloud-connected systems; strong architecture, testing, and communication skills.
QT, embedded Linux, RTOS
2mo
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Systems Software & Integration Engineer 2026
Hartford, Connecticut, United States
$85k/yr OnsiteFull Time
4+ YOEBachelor's in CS/IS, 4+ years in ERP/system design and support (preferably Ellucian Banner), RDBMS and SQL experience, reporting tools (Argos/Cognos/PowerBI), strong communication and IT literacy.
Ellucian Banner, Oracle, Microsoft SQL, MySQL, Postgres, TOAD, SQL Developer, SQL, PL/SQL, PostgreSQL, Argos, Cognos, PowerBI, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, Unix, Linux, HTML5, CSS, Bootstrap, JSON, Java, JavaScript, AngularJS, RESTful Web Services, NodeJS, React.js, Visual Studio, crontab, Automic, ISE (EnterpriseSCHEDULE), Ellucian Experience portal, Ellucian Data Connect, Ellucian Ethos, Intelligent Learning Platform (ILP), Blackboard
4w
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Senior Systems Safety Engineer SME
Middletown, Rhode Island, United States
$120k-$170k/yr HybridFull Time
10+ YOESecret DoD clearance, BS in STEM, 10+ years systems safety engineering with hazard and failure mode analysis, software safety analysis experience, knowledge of MIL-STD-882E and NAVSEA System Safety Manual.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
2mo
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Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
1mo
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
6+ YOE6+ years software engineering experience, bachelor's in CS or related STEM, strong engineering fundamentals, experience with enterprise systems, architectural decision-making, and Agile/DevOps practices.
Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, Salesforce, CI/CD, DevOps
1mo
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Senior Java Software Engineer -Aerospace Systems
East Hartford or United States
RemoteFull Time
3+ YOE3+ years experience with Java and Python, embedded/real-time systems, knowledge of DO-330 and DO-178C, Git and Linux experience, strong communication, and U.S. citizenship required.
Java, Python, Git, Linux, DO-178C, DO-330
4d
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Embedded Software Engineer
Farmington, Connecticut, United States
$93k-$139k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering or related field and 5+ years of embedded software experience. Requires C/C++ proficiency, embedded systems development, debugging, testing, and strong analytical skills.
C, C++, TI C2000, ST microcontrollers, Code Composer Studio, Git, Bitbucket, Jira, in-circuit emulators, oscilloscopes, serial analyzers
2mo
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Systems Engineer, Embedded Solutions (New Haven, CT, US, 06511)
New Haven or Berlin
OnsiteFull Time
Hands-on, broadly skilled systems engineer with cross-domain experience in hardware, firmware, and software; travels to customer sites; strong collaboration and communication.
1mo
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Staff Software Engineer - AI
Hartford or Charlotte
$128k-$191k/yr HybridFull Time
Deep AI/ML and software engineering expertise with experience building agentic and generative AI systems; proficiency in Python/Java/C++; cloud and MLOps experience; test automation and Git skills; strong problem-solving and collaboration.
Python, Java, C++, Playwright, MLflow, Kubeflow, Docker, Git, LangGraph, Crew AI, Semantic Kernel, AWS, Azure, GCP, LLMOps, MLOps, Gemini, Claude
1w
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Senior Software Engineer
Framingham, Massachusetts, United States
HybridFull Time
7+ YOE7+ years software development experience; bachelor's in CS/EE or related; proficiency in distributed systems and AWS; Python and FastAPI/Nuxt/Celery experience; mentoring and strong communication.
AWS, Python, FastAPI, Nuxt, Celery, MQTT
2w
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Principal Systems Development Engineer
Round Rock or Hopkinton or Santa Clara
$157k-$204k/yr OnsiteFull Time
8+ YOE8+ years professional experience with Bachelor's (or 6+ with Master\u0002s/3+ with PhD) or equivalent; system-level rack-scale architecture, integration across compute/mechanical/thermal/software/diagnostics, testing, root-cause analysis, and cross-team collaboration.
2mo
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Principal Software Development Engineer
Hartford, Connecticut, United States
$144k-$288k/yr HybridFull Time
10+ YOE10+ years software engineering experience with .NET/COBOL/Java/Node.js/JavaScript/Angular, DevSecOps and CI/CD expertise, GCP/Azure cloud experience, and experience modernizing enterprise systems.
.NET, COBOL, Java, Node.js, JavaScript, Angular, Generative AI technologies, GCP, Azure, GitHub, Jenkins, GitHub Actions, ArgoCD, Salesforce, Mulesoft, z/OS
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