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Senior System Engineer Jobs in Trumbull, CT (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 ...

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 ...

Atlas Technica

Systems Engineer - Hybrid

Stamford, CT · On-site +1

You will be working with other Systems Engineers and Sr. Systems Engineers in a very collaborative environment which allows for very quick technical growth. Responsibilities: * Perform IT Support ...

Atlas Technica

Systems Engineer - Hybrid

Stamford, CT · On-site +1

You will be working with other Systems Engineers and Sr. Systems Engineers in a very collaborative environment which allows for very quick technical growth. Responsibilities: * Perform IT Support ...

Atlas Technica

Systems Engineer - Dedicated

Greenwich, CT · On-site

$70K - $90K/yr

You will be working with other Systems Engineers and Sr. Systems Engineers in a very collaborative environment which allows for very quick technical growth. This position is classified as a 100 ...

Atlas Technica

Systems Engineer - Dedicated

Greenwich, CT · On-site

$70K - $90K/yr

You will be working with other Systems Engineers and Sr. Systems Engineers in a very collaborative environment which allows for very quick technical growth. This position is classified as a 100 ...

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All JobsSystem Engineer JobsSenior System Engineer JobsSenior System Engineer Jobs in Trumbull, CT

Senior System Engineer information

See Trumbull, CT salary details

$54.9K

$122.4K

$172.7K

How much do senior system engineer jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior system engineer in Trumbull, CT is $122,384.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,500.00 and $140,300.00 per year, depending on experience, location, and employer.

What is a senior system engineer?

Senior System Engineers are experienced IT professionals responsible for designing, implementing, managing, and maintaining complex computer systems and networks within an organization. They play a critical role in ensuring the stability, security, and scalability of IT infrastructure. Their tasks often include troubleshooting system issues, optimizing performance, overseeing upgrades, and mentoring junior engineers. Senior System Engineers typically collaborate with other IT teams and departments to support business objectives and technological needs.

What are some common challenges faced by senior system engineers when managing large-scale IT infrastructure projects?

Senior System Engineers often encounter challenges such as coordinating with cross-functional teams, ensuring system scalability, and maintaining high availability during upgrades or migrations. Managing complex environments requires balancing security, performance, and compliance, all while minimizing downtime. Effective communication and proactive planning are crucial to successfully navigating these challenges and delivering robust solutions that meet organizational needs.

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

To thrive as a Senior System Engineer, you need advanced knowledge of system architecture, network administration, and troubleshooting, often supported by a degree in computer science or a related field and several years of experience. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are commonly expected. Strong problem-solving, project management, and communication skills help you lead teams and handle complex technical challenges. These skills are crucial for ensuring system reliability, security, and efficient operation in dynamic IT environments.

What is the difference between Senior System Engineer vs Network Engineer?

AspectSenior System EngineerNetwork Engineer
CredentialsBachelor's in Computer Science or related, certifications like CompTIA Network+, Cisco CCNABachelor's in Computer Science, certifications like Cisco CCNA, CCNP
Work EnvironmentDesigning, implementing, and maintaining IT systems and infrastructureDesigning, deploying, and managing network infrastructure and security
Industry UsageIT, technology, enterprise environmentsTelecommunications, IT, enterprise networks
Common Search/ComparisonSenior System Engineer vs Network Engineer

While both roles require networking knowledge and certifications, Senior System Engineers focus on overall system architecture and integration, whereas Network Engineers specialize in network infrastructure and security. The roles often overlap but serve different core functions within IT teams.

What cities near Trumbull, CT are hiring for Senior System Engineer jobs?

Cities near Trumbull, CT with the most Senior System Engineer job openings:

Senior System Engineer jobs near you
Infographic showing various Senior System Engineer job openings in Trumbull, CT as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $122,384 per year, or $58.8 per hour.

Senior/Principal Systems Engineer

Swoon Technology Resources LLC

Bethel, CT • On-site

$140K - $195K/yr

Full-time

Re-posted 21 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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