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Senior Linux Engineer Jobs in Connecticut (NOW HIRING)

Scout ET

Perl Developer

East Haven, CT · On-site

Strong in Linux, Linux/BSD command line skills, understanding of Linux environment/Kernel calls Description: The role of the Sr. Software Engineer is to work with Technical Lead and is responsible ...

Scout ET

PERL, mod Perl Developer

East Haven, CT · On-site

Strong in Linux, Linux/BSD command line skills, understanding of Linux environment/Kernel calls Description: The role of the Sr. Software Engineer is to work with Technical Lead and is responsible ...

Interactive Brokers

Sr. Software Engineer

Greenwich, CT · On-site

$137K - $181K/yr

We are looking for a knowledgeable C++ Developer to work under the general supervision of a team of ... Proficiency in Linux / UNIX / shell scripting. * Knowledge developing and debugging in C/C ...

3B Staffing LLC

Software Design Engineer

Fairfield, CT · On-site

Title: Senior Software Design Engineer Location: Fairfield, CT (NO REMOTE - Candidates need to ... C/C++, Python, Linux, Embedded/Realtime software development Desirable. Knowledge of full software ...

3B Staffing LLC

Software Design Engineer

Fairfield, CT · On-site

Title: Senior Software Design Engineer Location: Fairfield, CT (NO REMOTE - Candidates need to ... C/C++, Python, Linux, Embedded/Realtime software development Desirable. Knowledge of full software ...

Sperry Rail, Inc.

Senior Embedded Engineer

Shelton, CT · On-site

$125K - $140K/yr

Either Windows or Linux OS system API experience is very welcome Ideal Candidate The ideal candidate is a Embedded or Systems-oriented engineer who can move comfortably between the electrical bench ...

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Senior Linux Engineer information

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How much do senior linux engineer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior linux engineer in Connecticut is $55.90, according to ZipRecruiter salary data. Most workers in this role earn between $45.72 and $68.61 per hour, depending on experience, location, and employer.

What is a senior Linux engineer?

A Senior Linux Engineer is responsible for designing, implementing, and maintaining Linux-based systems and infrastructure. They ensure system reliability, security, and performance while automating tasks using scripting and configuration management tools. This role often involves troubleshooting complex issues, optimizing system resources, and collaborating with development and operations teams. Senior Linux Engineers also contribute to scaling IT environments, integrating new technologies, and mentoring junior engineers. Strong expertise in networking, security, and cloud-based solutions is typically required for this position.

What does a senior Linux engineer do?

Senior Linux Engineers are often responsible for designing, deploying, and maintaining scalable Linux-based infrastructure, automating routine tasks, and ensuring high system availability. They regularly collaborate with software development teams, troubleshoot complex technical issues, and implement security best practices. In addition, they may participate in infrastructure upgrades, disaster recovery planning, and mentor junior team members. This combination of technical and collaborative work keeps the role both challenging and rewarding while offering opportunities for professional development.

What are the key skills and qualifications needed to thrive as a senior Linux engineer?

To thrive as a Senior Linux Engineer, you need in-depth expertise in Linux system administration, scripting, networking, and troubleshooting, typically backed by a bachelor's degree in computer science or related field and several years of hands-on experience. Familiarity with tools such as Ansible, Docker, Kubernetes, and certifications like RHCE or LPIC are highly valued. Strong analytical skills, clear communication, and the ability to mentor junior engineers help set top performers apart. These skills are essential for maintaining reliable infrastructure, driving automation, and supporting team success in dynamic technical environments.

How much does a senior Linux engineer make?

A senior Linux engineer typically earns between $90,000 and $140,000 annually, depending on experience, location, and certifications such as RHCE or LPIC. They often work with Linux systems, scripting, and cloud environments, with higher salaries in tech hubs and for those with specialized skills.

Is Linux still in demand?

Linux engineers are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and embedded systems. Skills in Linux system administration, scripting, and familiarity with tools like Bash and Docker enhance job prospects in this field.

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Senior Linux Engineer jobs near you
Infographic showing various Senior Linux Engineer job openings in Connecticut as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 2% Temporary, and 5% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $116,273 per year, or $55.9 per hour.

Lead Trading Systems Engineer (USA)

Trexquant Investment

Stamford, CT • On-site

$175K - $200K/yr

Full-time

Medical, Dental, Vision

Re-posted 12 days ago

Key responsibilities

  • Design, build, and enhance core infrastructure systems that support trading, research, and operations, including integration with the firm's Order Management System (OMS).

  • Architect and develop a high-performance multi-asset simulation and backtesting platform capable of supporting strategy research, backtesting, and deployment across various asset classes.

  • Collaborate with quantitative researchers and cross-functional teams to ensure the platform models market dynamics, transaction costs, and execution behavior.

Job description

Trexquant is looking for a senior technologist to lead the design and evolution of our core trading, research, and simulation infrastructure. This role involves architecting and building scalable, low-latency systems in Linux environments, collaborating closely with quantitative researchers & engineers, and driving next-generation simulation and execution platforms.

Responsibilities

  • Design, build, and enhance core infrastructure systems that support trading, research, and operations, including integration with the firm’s Order Management System (OMS).
  • Architect and develop a high-performance multi-asset simulation and backtesting platform capable of supporting strategy research, backtesting, and deployment across equities, futures, fixed income, and derivatives. 
  • Evaluate existing systems to identify bottlenecks and implement improvements that enhance scalability, performance, and security. 
  • Collaborate with quantitative researchers and cross-functional teams to ensure the platform accurately models market dynamics, transaction costs, and execution behavior while aligning technical initiatives with a long-term infrastructure roadmap.
  • Design and optimize scalable data and compute infrastructure for low-latency, high-throughput processing of large-scale market data across simulation and production trading.
  • Improve caching, time-series management, and distributed computation while keeping the simulation & backtesting framework modular and scalable.
  • Oversee the development, integration, and deployment of systems and tools in C++, Python, and Linux environments.
  • Provide mentorship and technical guidance to engineers and researchers while staying current with emerging technologies and industry best practices.

Requirements

  • Bachelor’s, Master’s, or Ph.D. in Computer Science, Engineering, Mathematics, or a related STEM field.
  • 6+ years of experience building high-performance trading, simulation, or research infrastructure within Linux environments.
  • Expert-level proficiency in one of these programming languages: C++ (C++17/20), Java, or Python, with strong knowledge of algorithms, concurrency, data structures, and systems architecture. Preference for C++.
  • Experience architecting scalable, low-latency, high-throughput systems in Linux-based production environments.
  • Knowledge of market microstructure, execution systems, and simulation or backtesting methodologies.
  • Experience designing or supporting OMS, execution, or comparable trading infrastructure.
  • Excellent communication skills and ability to collaborate effectively across engineering and research teams.
  • Financial industry experience is a plus, but not required.

Benefits

  • Competitive salary plus bonus based on individual and company performance.
  • Collaborative, casual, and friendly work environment.
  • PPO Health, dental and vision insurance premiums fully covered for you and your. dependents.
  • Pre-tax commuter benefits.
  • Weekly company meals

Applications are open for both Stamford and New York City offices, the latter with a planned opening in October 2026. 

The base salary range is $175,000 - $200,000 depending on the candidate’s educational and professional background. Base salary is one component of Trexquant’s total compensation, which may also include a discretionary, performance-based bonus. This position is classified as overtime-exempt.

Trexquant is an Equal Opportunity Employer