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System Software Engineer Jobs in Connecticut (NOW HIRING)

The Walt Disney Company

Sr Software Engineer

Bristol, CT · On-site

$148K - $199K/yr

Bachelor's or Master's degree in Computer Science, Information Systems, Software, Electrical or Electronics Engineering, or comparable field of study, and/or equivalent work experience * Motivated ...

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System Software Engineer information

See Connecticut salary details

$79K

$169.1K

$196K

How much do system software engineer jobs pay per year?

As of Sep 5, 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 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 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 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 August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $169,062 per year, or $81.3 per hour.

Senior Software Engineer, Cloud Systems

ThayerMahan

Groton, CT • On-site

Full-time

Posted 21 days ago

Job description

Job Title: Senior Software Engineer
Job Category/Department: Engineering
Reporting to: Director of Software Engineering, Cloud Systems
Location (In person/Hybrid/Remote): Hybrid
Position Type: Full time.
Position Summary: ThayerMahan is seeking a senior software engineer to join our team. In this role, you will primarily focus on full stack web application development.
Role and Responsibilities: Create and maintain software solutions by writing and reviewing code, creating and maintaining documentation, and developing and reviewing design proposals. A senior software engineer can:
  • Work on incompletely specified tasks, fluidly communicating what the specifications should be, or what the solution space (range of options) is.
  • "Jump in the deep end" and figure things out, with little or no up-front explanations.
  • Fluidly consider short- and long-term plans, selecting "minimum viable" short term options that elegantly build toward long-term goals.

Senior software engineers must have strong communication skills, for socializing plans and potential options and working toward well-specified product behaviors.
Qualifications and Educational Requirements:
  • Required qualifications:
    • U.S. Citizenship (position entails access to Controlled Unclassed Information).
  • Typical qualifications:
    • Bachelor's or master's degree.
    • 8+ years relevant industry experience
    • Able to obtain DoD security clearance.

Required Skills:
  • Exploring code repositories to understand how existing features have been implemented.
  • Updating code to address defects, or to create new capabilities.
  • Designing and implementing new features.
  • Writing documentation for users or maintainers.
  • Writing automated tests.
  • Learning new technologies.
  • Researching technologies for potential adoption.
  • Communicating clearly and efficiently around all of the above.
  • Collaborating productively with stakeholders and other engineers.

Preferred Skills:
  • Git
  • Python
  • Bash
  • Linux
  • Data visualization (e.g. matplotlib, plotly)
  • Docker
  • AWS
  • Javascript/Typescript/Angular

Physical Requirements/Working Conditions:
  • (Strongly preferred) Ability to travel to Groton HQ on short notice.

Travel Requirements (If Applicable):
  • Occasional travel for at-sea support or major client milestones.

Apply