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Sr System Engineer Jobs in Connecticut (NOW HIRING)

Iberdrola

Power System Engineer

Orange, CT · On-site

Engineer BS Required 2 years of experience (Industry Related) Senior Engineer BS required 5+ years ... Power System Modeling * Project Management * Asset Management * Grid Operations Support

Iberdrola

Power System Engineer

Orange, CT · On-site

Engineer BS Required 2 years of experience (Industry Related) Senior Engineer BS required 5+ years ... Power System Modeling * Project Management * Asset Management * Grid Operations Support

Subway

Sr. Systems Engineer

Shelton, CT · On-site

$104K - $143K/yr

Sr. Systems Engineer Franchise World Headquarters, LLC Shelton, CT Why Join Subway? At Subway, we are not standing still. We are building. This is a business focused on what matters most: growing ...

PRI Technology

Senior Systems Engineer

Hartford, CT · On-site

$80K - $100K/yr

Senior Systems Engineer (Microsoft Infrastructure & Automation) Note: This is not a networking or ... Develop and maintain PowerShell automation for system configuration and operational efficiency

Pho Prime, LLC

Sr. Systems Engineer

Shelton, CT · On-site

$120 - $160/hr

Position Overview Subway is seeking a Senior Systems Engineer to join the Technology Infrastructure Operations & Support team, focused on engineering and managing the global enterprise endpoint ...

Atlas Technica

Jr. Systems Engineer - Hybrid

Stamford, CT · On-site +1

$55K - $75K/yr

Use a ticketing system to document, manage, and resolve support requests. * Escalate technical issues to Systems Engineers or Senior Systems Engineers when appropriate. * Maintain accurate and up-to ...

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All JobsSr System Engineer JobsSr System Engineer Jobs in Connecticut

Sr System Engineer information

See Connecticut salary details

$53.3K

$118.7K

$167.4K

How much do sr system engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for sr system engineer in Connecticut is $118,656.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,400.00 and $136,000.00 per year, depending on experience, location, and employer.

What is a Sr system engineer?

Sr System Engineers, or Senior System Engineers, are experienced professionals responsible for designing, implementing, managing, and maintaining complex IT systems and infrastructure. They oversee system performance, troubleshoot issues, and ensure the reliability and security of hardware and software systems within an organization. Sr System Engineers also lead technical projects, mentor junior staff, and collaborate with other departments to align IT solutions with business needs. Their expertise helps organizations operate efficiently and securely in a technology-driven environment.

What are some typical challenges a Sr system engineer faces when managing complex IT infrastructures?

Sr System Engineers often encounter challenges such as integrating legacy systems with new technologies, ensuring system security and compliance, and maintaining high availability across distributed environments. They must also troubleshoot multifaceted issues that can span hardware, software, and network components, often under tight deadlines. Collaboration with cross-functional teams like network administrators, developers, and security specialists is essential to resolve these issues efficiently and to implement scalable solutions.

What are the key skills and qualifications needed to thrive as a Sr system engineer, and why are they important?

To thrive as a Sr System Engineer, you need deep expertise in systems architecture, troubleshooting, and infrastructure management, typically supported by a relevant bachelor’s degree and several years of experience. Familiarity with virtualization platforms, cloud services (like AWS or Azure), and certifications such as CompTIA, Microsoft, or Cisco are often expected. Strong problem-solving, communication, and project management skills set exceptional candidates apart. These abilities ensure reliable system performance, seamless integration, and effective collaboration across technical teams.

What is the difference between Sr System Engineer vs System Administrator?

AspectSr System EngineerSystem Administrator
CredentialsBachelor's degree in CS or related, certifications like Cisco, Microsoft, or VMwareTypically similar certifications, often focused on specific systems or networks
Work EnvironmentDesigns, implements, and manages complex systems, often involved in planning and architectureMaintains, supports, and troubleshoots existing systems and networks
Industry UsageUsed across IT, tech, finance, healthcare for advanced system rolesCommon in organizations for daily system and network support

While both roles require technical expertise and certifications, Sr System Engineers focus on designing and implementing complex systems, whereas System Administrators primarily handle ongoing maintenance and support. The roles often overlap but differ in scope and responsibilities.

What cities in Connecticut are hiring for Sr System Engineer jobs?

Cities in Connecticut with the most Sr System Engineer job openings:

Sr System Engineer jobs near you
Infographic showing various Sr System Engineer job openings in Connecticut as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 12% Part Time, 2% Temporary, and 5% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $118,656 per year, or $57 per hour.

Senior/Principal Systems Engineer

Swoon Technology Resources LLC

Bethel, CT • On-site

$140K - $195K/yr

Full-time

Re-posted 19 days ago

Job description

Location: Bethel,Connecticut
Expected Start Date: Jun 1, 2026
Salary: $140,000 - $195,000
Senior Systems Engineer
Location:
Bethel, CT, US, 06801 Danbury, CT, US, 06810-8147
Job ID: 114548
The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world.
Job Summary
The Senior System Engineer is responsible for leading the design and development of complex power electronics systems. This role involves reviewing customer specifications and requirements to develop cost-effective designs, conceptualizing system and subsystem architectures, and creating comprehensive technical documentation and budget estimates for proposals. The engineer will identify and implement strategies to mitigate key development risks, verify product performance through simulation, analysis, and laboratory testing, and generate detailed design requirements using a requirements traceability matrix (RTM). Additionally, this position provides technical leadership on large projects, coordinating and delegating tasks within the engineering team to ensure successful completion.
Job Responsibilities
  • Review customer specifications and requirements, and develop designs to best support them, including cost as a key design variable.
  • Conceptualize the architecture of complex systems and subsystems relating to power electronics, drives and uninterruptible power supplies.
  • Create the system level technical documentation and budget estimates for proposals. Identify and develop strategies to retire key development risks.
  • Verify product or subsystem performance through simulation, analysis, and/or laboratory test.
  • Generate the necessary design requirements to specify components and subsystems of a product through the use of an RTM.
  • Provide technical leadership on large projects, with the ability to identify and delegate tasks to an engineering team, and drive completion of activities on time and budget.

Qualifications
  • Bachelor's degree in the field of electrical engineering or an equivalent technical field.
  • 7+ years of detailed design experience in power applications.
  • Proficiency with Matlab and Simulink simulation tools for simulation of electrical systems down to a component level.
  • Model-based design experience of power electronic systems desired.
  • Real-time modeling experience of power electronic systems desired.
  • Experience with Navy or other defense applications and market is highly preferred.

U.S. Citizenship required. This position requires an active DOD security clearance or the ability to obtain such clearance within a reasonable time after commencement of employment.

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