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System Software Engineer Jobs in Connecticut (NOW HIRING)

Butler America

Software Engineer

Bloomfield, CT · On-site

$65 - $77/hr

Senior Software Engineer Location: Bloomfield, CT Job ID: #72440 Duration: 6-12 months contract Pay ... The selected candidate must have a background in embedded (system) software development, devices ...

D-Wave

Senior Quantum Software Engineer

New Haven, CT · On-site

$123K - $162K/yr

D-Wave is a leader in the development and delivery of quantum computing systems, software, and services. They are seeking a Senior Quantum Software Engineer to work on core software, calibration ...

D-Wave

Senior Quantum Software Engineer

New Haven, CT · On-site

$123K - $162K/yr

D-Wave is a leader in the development and delivery of quantum computing systems, software, and services. They are seeking a Senior Quantum Software Engineer to work on core software, calibration ...

Hubbell

Software Engineer

Shelton, CT

Software Engineer The Software Engineer designs, develops, troubleshoots and debugs moderately ... Designing embedded systems using microcontrollers, sensors and analog/digital interface circuits.

New

Sopra Steria

Software Engineer

East Hartford, CT · On-site

You will work closely with system engineers, software developers, and certification specialists to ensure compliance with aviation safety standards. Responsibilities * Develop embedded software for ...

Lockheed Martin

Software Engineer

Trumbull, CT

THE WORK We are seeking a Software Engineer to join the RMS Global Sustainment, Information Systems & Innovation (IS&I) organization. This role will be responsible for supporting a variety of ...

Lockheed Martin

Software Engineer

Trumbull, CT · On-site

THE WORK We are seeking a Software Engineer to join the RMS Global Sustainment, Information Systems & Innovation (IS&I) organization. This role will be responsible for supporting a variety of ...

Labcorp

Software Engineer

Bloomfield, CT

Stay current with advancements in robotics, automation, and embedded systems and apply relevant ... The Software Engineer participates in architectural discussions, mentors junior engineers, and ...

Yuma Holdings LLC

Software Engineer

Stamford, CT

About the Role We're looking for a Software Engineer to join our engineering team at Yuma ... You'll help design and scale the core systems that underpin our decentralized AI infrastructure and ...

Relativity

Software Engineer

Bridgeport, CT · On-site +1

They build the systems that power AI-driven workflows at massive scale, enabling customers to ... This role reports to the Manager of Software Engineering and provides the opportunity to work on ...

D-Wave Quantum

Senior Quantum Software Engineer

New Haven, CT · On-site

$123K - $162K/yr

QBTS) , D-Wave is a leader in the development and delivery of quantum computing systems, software ... About the role D-Wave is seeking a Senior Quantum Software Engineer to work on our core software ...

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All JobsSystem Software Engineer JobsSystem Software Engineer Jobs in Connecticut

System Software Engineer information

See Connecticut salary details

$79K

$169.1K

$196K

How much do system software engineer jobs pay per year?

As of Jun 9, 2026, the average yearly pay for system software engineer in Connecticut is $169,062.00, according to ZipRecruiter salary data. Most workers in this role earn between $164,600.00 and $195,000.00 per year, depending on experience, location, and employer.

What does a System Software Engineer do?

A System Software Engineer designs, develops, tests, and maintains the core software that enables computer hardware and system applications to function. This includes operating systems, device drivers, firmware, and other low-level software that interacts closely with hardware components. Their work ensures that systems run efficiently, securely, and reliably. They often collaborate with hardware engineers and application developers to optimize performance and troubleshoot complex technical issues.

What are the key skills and qualifications needed to thrive as a System Software Engineer, and why are they important?

To thrive as a System Software Engineer, you need strong programming skills in languages like C, C++, or Rust, a deep understanding of operating systems, and typically a bachelor’s degree in computer science or a related field. Familiarity with low-level debugging tools, version control systems (such as Git), and kernel development environments is essential. Analytical thinking, problem-solving ability, and effective teamwork are standout soft skills in this role. These competencies are crucial for building reliable, high-performance system software that underpins critical applications and infrastructure.

What is the difference between System Software Engineer vs Software Developer?

AspectSystem Software EngineerSoftware Developer
CredentialsBachelor's in Computer Science or related field; often some experience with systems programmingBachelor's in Computer Science or related field; focus on application development
Work EnvironmentDesigning and maintaining operating systems, firmware, or system-level applicationsCreating user-facing applications, websites, or mobile apps
Industry UsageTech companies, hardware firms, embedded systemsSoftware firms, startups, enterprise applications
Search & Comparison IntentUnderstanding roles related to system-level programmingLooking for application or web development roles

System Software Engineers focus on developing and maintaining system-level software like operating systems and firmware, requiring knowledge of hardware and low-level programming. Software Developers typically create applications and user-facing software, emphasizing higher-level programming skills. Both roles often share similar educational backgrounds but differ in their work focus and environment.

What are some common challenges System Software Engineers face when working on large-scale projects?

System Software Engineers working on large-scale projects often encounter challenges such as maintaining system stability while integrating new features, ensuring compatibility across diverse hardware platforms, and optimizing performance under heavy workloads. Coordinating with cross-functional teams, such as hardware engineers and application developers, is essential to address these complexities. Additionally, they must stay updated with evolving technologies and adhere to rigorous testing and debugging practices to prevent system failures.
What are popular job titles related to System Software Engineer jobs in Connecticut? For System Software Engineer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching System Software Engineer jobs in Connecticut look for? The top searched job categories for System Software Engineer jobs in Connecticut are:
What are popular job titles related to System Software Engineer jobs in CT? For System Software Engineer jobs in CT, the most frequently searched job titles are:
System Software Engineer jobs near you
Infographic showing various System Software Engineer job openings in Connecticut as of May 2026, with employment types broken down into 91% Full Time, 1% Part Time, 1% Temporary, 6% Contract, and 1% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $169,062 per year, or $81.3 per hour.
Software Engineer

Software Engineer

Butler Aerospace and Defense

Windsor, CT

$65 - $77/hr

Other

Medical, Dental, Vision, Retirement

Posted 16 days ago

Job description

Senior Software Engineer Location: Bloomfield, CT Job ID: #72440 Duration: 6-12 months contract Pay Range: $65-77 - W2 hourly Job Description: The Software engineer needs to develop embedded software for our commercial elevator products. The successful candidate will be capable of working in a team environment and will be open to getting guidance from senior team members on designing and developing embedded controls for our elevator products. The selected candidate must have a background in embedded (system) software development, devices/system interaction and troubleshooting, and will be involved in all aspects of the system software development process (concept, design, validation and production) This position will coordinate a wide range of activities on projects for various elevator control system components including control boards and field tools.The position will be responsible for implementing software features in embedded software for elevator systems and for implementing change requests in high-level C/C++ language.

The position will develop and execute unit and integration tests in an engineering lab environment with hardware simulators.The individual will also document test procedures, test results, software requirements and design implementation details. The selected candidate should have the ability to adapt quickly to an existing, complex environment and develop a complete understanding of elevator control hardware and its interfaces to other system components. The selected candidate will be responsible for regression testing for the support of software releases and supporting existing elevator control software by developing new features and enhancing existing features.

The position will perform configuration control and change management of new software and troubleshooting field issues while providing appropriate software solutions. The selected candidate should adhere to established coding standards and promote code reviews to deliver high cohesion software. The selected candidate will be working on both legacy elevator controls and new product development.

Potential candidate should be talented, highly motivated, and forward-thinking individual with great flexibility and deep commitment to learning. This candidate should have great communication skills to ensure alignment across the organization. Must adhere to the client's Absolutes of Safety, Ethics and Quality.

Experience and Qualifications: BS or BA in Computer Engineering, Electrical Engineering, Computer Science or closely related field with a minimum of 7 years of experience or a master's degree in software engineering and a minimum of 5 years of experience Strong embedded C/C++ development experience Strong technical knowledge in relevant area of expertise - Embedded working experience on Embedded Linux or other RTOS (VxWorks, ThreadX, Green Hills, etc.), inter process communication, and multithreaded applications. Good VB.NET or VC# experience for designing UI/UX simulator tools Hands on development experience with either of the communication protocols like CAN, RS232, RS422, RS485, SPI, I2C, Timers, EEPROM and Flash Driver interfaces. Experience with source version control systems (Git, Subversion, Atlassian tools) Experience with multi - threaded application and real time debugging experience with advanced tools like emulators, logic serial analyzers, remote debugging, scopes, serial line analyzer, JTAG/BDM and CANalyzer.

Desired Qualifications: - Experience with Java or Python - Experience on ColdFire and ARM 32 bit microcontrollers - Experience with defect tracking software such as JIRA, Bugzilla - Understanding Cyber Security - Able to understand hardware design and schematics, including electrical 1 - line and 3 - line at high level - Able to work in elevator hoistways and machine rooms as needed - Working experience in product - based companies. Benefits provided: 401K, medical, dental, and vision, sick time as applicable to state law Butler America Aerospace, LLC. is an equal opportunity employer.

Butler evaluates applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. The Butler America Aerospace, LLC. EEO Policy Statement and "Know Your Rights" Poster is available here: Applicant and Employee Notices .

Butler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact the Human Resources Department at

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