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90 software systems engineer jobs at 45 companies in Hartford, CT

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IT Software Systems Engineer
Holyoke, Massachusetts, United States
HybridContract
MWResource
MWResource: Specialized consulting and staffing for critical energy infrastructure systems.
5+ YOEBachelors in CS/EE/related, 5+ years Microsoft-stack software development and administration experience (Windows, SQL Server, IIS, .NET, Power Platform, Active Directory/Entra ID). Microsoft certs preferred; knowledge of networking and change control required.
Microsoft Windows, Microsoft SQL Server, Microsoft Internet Information Services, Microsoft Power Platform, .NET, Microsoft Active Directory, Microsoft Entra ID
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4w
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Radar Systems/Software Engineer
Trumbull, Connecticut, United States
$105k-$170k/yr OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
5+ YOEB.S. in EE/Physics/CompE (M.S. preferred),5+ years radar and M&S experience,proficient in MATLAB,Python,C/C++,CUDA,VHDL,Windows/Linux,ability to obtain DoD Secret clearance,U.S. citizenship required.
MATLAB, Python, C, C++, CUDA, VHDL, Windows, Linux
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1mo
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Technical Lead Software & Systems Integrator
Groton, Connecticut, United States
$120k-$130k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
5+ YOEBachelor's in CS/IT/Systems Engineering,5+ years software/systems integration,team lead experience,cybersecurity and networking knowledge,Windows/Linux admin,PKI and certificate management,script automation and containerization skills.
Windows, Linux, Python, Bash, PowerShell, VMware, Hyper-V, Docker, Kubernetes, Git, Jenkins, Ansible, SQL, PKI, IDS/IPS, SIEM
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3mo
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Systems Software & Integration Engineer 2026
Hartford, Connecticut, United States
$85k/yr OnsiteFull Time
Connecticut State Colleges & Universities
Connecticut State Colleges & Universities: Public system of colleges and universities in Connecticut.
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
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1mo
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Systems Engineer, Embedded Solutions
New Haven, Connecticut, United States
OnsiteFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Manufacturer of access control and door opening solutions.
Master's in EE/CE or related, strong background in electronics, firmware, or software, experience with system integration and diagnostics, familiarity with TCP/IP, RS-485, Wi‑Fi, Zigbee, BLE, NFC, willingness to travel ~31%-60%.
C, C++, Python, SQL, TCP/IP, RS-485, Wi‑Fi, IEEE 802.15.4, Zigbee, Bluetooth Low Energy (BLE), NFC, RTOS, NIST
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Systems Integrator Engineer - Technical Publications (Onsite)
East Hartford, Connecticut, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEBachelor's degree and 5 years of relevant experience, or an advanced degree and 3 years. Relevant areas include systems engineering, IT, software development, systems integration, or technical publications.
XML, SGML, ATA iSpec 2200, S1000D, SQL, Oracle, PL/SQL, XSL, XSLT, HTML, IETP, Python, Jenkins, CI/CD
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr HybridFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
5+ YOEBachelor’s degree + 7+ years software engineering or advanced degree + 5+ years; experience designing and developing scalable systems for manufacturing operations; mentoring, requirements capture, database architecture, CI/CD, and cross-functional collaboration; ability to travel 25%.
Ignition, deviseWISE, Microsoft Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, CI/CD Pipelines, RESTful API Design, Java, C++, .NET, Scala, Lua, Python, SQL
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Senior Java Software Engineer -Aerospace Systems
East Hartford or United States
RemoteFull Time
Sopra Steria
Sopra SteriaEuronext Paris: SOPR: Provides digital transformation consulting and information technology services.
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
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
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
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2mo
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Systems Engineer, Embedded Solutions (New Haven, CT, US, 06511)
New Haven or Berlin
OnsiteFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
Hands-on, broadly skilled systems engineer with cross-domain experience in hardware, firmware, and software; travels to customer sites; strong collaboration and communication.
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1w
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Embedded Software Engineer
Farmington, Connecticut, United States
$93k-$139k/yr OnsiteFull Time
Otis
OtisNYSE: OTIS: Manufacturer and service provider of elevators and escalators.
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
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Principal Software Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
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2mo
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Principal Software Development Engineer
Hartford, Connecticut, United States
$144k-$288k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
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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1d
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Software Engineer
Hartford, Connecticut, United States
$88k-$132k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
3+ YOERequires 3+ years developing .NET and C# systems, SQL and relational database knowledge, and a bachelor's degree in computer science, information technology, or a related discipline.
C#, ASP.NET MVC, HTML5, CSS, Python, Microsoft Visual Studio, AWS, MS SQL Server 2019, RESTful APIs, Microservices, CA AutoSys, Agile Scrum, SSIS, Copilot, .NET, SQL
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Sr Software Engineer - System (104328)
Shelton, Connecticut, United States
HybridFull Time
Hubbell
HubbellNYSE: HUBB: Designs and manufactures electrical products and utility infrastructure solutions.
5+ YOEBachelor's degree in computer, electrical engineering, computer science, or related field; 5+ years software engineering experience, object-oriented development, Linux/Unix, frameworks, databases, and REST; 2+ years utility and IoT experience.
Java, C#, Linux, Unix, Spring, Hibernate, SQL Server, MySQL, MVC, JDBC, RESTful, MQTT, CoAP, HTTP, Kafka
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2d
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Senior Digital Software Engineer
Hartford, Connecticut, United States
$118k-$147k/yr RemoteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
5+ YOERequires 5–8 years of software development experience, proficiency in multiple technologies, system design, API development, DevOps, CI/CD, observability, technical leadership, communication, and mentoring.
React, Node.js, Python, SQL, NoSQL, Microsoft Azure, Amazon Web Services (AWS)
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3d
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Engineer I/II - D425 Hull, Mechanical & Electrical Systems
Groton, Connecticut, United States
HybridFull Time
General Dynamics Electric Boat
General Dynamics Electric BoatNYSE: GD: Designs, builds, and maintains submarines for the U.S. Navy.
0+ YOEBachelor's degree in computer science, electrical engineering, computer engineering, or engineering; 0–5 years of software development experience; ability to obtain and maintain a US DoD security clearance.
C++, Java, .NET, Python, Git, SVN, Linux, LabVIEW, IBM DOORS, UML, Waterfall, Agile, CMMI
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1mo
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IT Senior Software Engineer (Hybrid)
Berlin or Westwood
$127k-$142k/yr HybridFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
5+ YOE5+ years experience; Bachelor's degree or equivalent; design and implement systems, drive release management, mentor engineers, able to respond to emergencies and travel between MA/CT/NH; Maximo experience a plus.
Maximo
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1w
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Software Engineer II – AI Agents & Harnesses
Atlanta or Hartford
$120k-$199k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
4+ YOEBachelor's degree in computer science or related STEM field, 4+ years of software development, Python, AI application delivery, cloud platforms, distributed systems, and CI/CD experience.
Python, TypeScript, AWS, Azure, Kubernetes, Terraform, CDK, GitHub Actions, Jenkins, AWS AgentCore, Strands Agents, LangGraph, Helm
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2w
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Department 425 Software Platform Test Engineer
Groton, Connecticut, United States
HybridFull Time
General Dynamics Electric Boat
General Dynamics Electric BoatNYSE: GD: Designs and builds nuclear-powered submarines for the U.S. Navy.
5+ YOEBS in CS/CE/EE/Embedded/Systems, 5+ years engineering experience, software testing background, familiarity with test automation and verification, experience with DOORS/GitLab/Matlab/ LabVIEW/Squish, strong communication and MS Office skills.
IBM Rational DOORS, GitLab, LabVIEW, Digital Twins, MATLAB Simulink, Squish, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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