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Senior Linux System Engineer Jobs in New Hampshire

Design and develop embedded software that controls system behavior in advanced imaging and security ... across engineering disciplines Nice to Have: * Experience with embedded Linux, RTOS, or similar ...

Senior Firmware Engineer

Hudson, NH · On-site

$120K - $159K/yr

Designing, architecting, simulating, and integrating VHDL designs into FPGAs or Systems on Chip ... Knowledge of embedded Linux development, including device trees, hardware drivers, bootloaders, and ...

Senior Embedded Engineer

Hudson, NH · On-site

$125K - $164K/yr

Designing, architecting, simulating, and integrating VHDL designs into FPGAs or Systems on Chip ... Knowledge of embedded Linux development, including device trees, hardware drivers, bootloaders, and ...

Senior Embedded Engineer

Hudson, NH · On-site

$125K - $164K/yr

Designing, architecting, simulating, and integrating VHDL designs into FPGAs or Systems on Chip ... Knowledge of embedded Linux development, including device trees, hardware drivers, bootloaders, and ...

Senior Software Engineer

Salem, NH

$122K - $161K/yr

... systems used in high-reliability environments worldwide. If you're motivated by solving complex ... Advanced programming skills with C and C++ in Linux-based environments * Experience developing ...

Senior Firmware Engineer

Newington, NH · On-site

$123K - $163K/yr

Senior Firmware Engineers work closely with Electrical Engineers, System Engineers, Quality ... Working knowledge of RTOS/Linux embedded designs. * Proficient implementing of SPI, I2C, UART ...

Showing results 21-40

Senior Linux System Engineer information

What does a senior Linux system engineer do?

A Senior Linux System Engineer is responsible for designing, implementing, maintaining, and troubleshooting Linux-based systems and servers within an organization. They ensure the reliability, security, and optimal performance of these systems, often leading projects and mentoring junior engineers. Their tasks may include automation, scripting, system updates, monitoring, and responding to incidents. They also collaborate with other IT teams to support business needs and implement best practices for system administration.

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

To thrive as a Senior Linux System Engineer, you need deep expertise in Linux operating systems, scripting (such as Bash, Python, or Perl), system architecture, and a relevant degree or equivalent experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE or LPIC are highly valued. Strong problem-solving, collaboration, and communication skills help you efficiently manage complex environments and mentor junior staff. These capabilities are crucial for ensuring system stability, security, and scalability in mission-critical IT infrastructures.

What are some common challenges a senior Linux system engineer faces when managing large-scale server environments?

Senior Linux System Engineers often encounter challenges related to maintaining system uptime, managing complex configurations, and ensuring security across a large number of servers. Troubleshooting issues in distributed environments, automating repetitive tasks, and keeping systems up-to-date with the latest patches are also frequent responsibilities. Collaboration with development, security, and networking teams is essential to resolve cross-functional issues and implement new solutions efficiently. Staying current with evolving technologies and best practices is key to overcoming these challenges and excelling in the role.

What is the difference between Senior Linux System Engineer vs Linux System Administrator?

AspectSenior Linux System EngineerLinux System Administrator
CertificationsLinux Professional Institute Certification (LPIC), RHCELPIC, RHCE often preferred
Work EnvironmentDesigning, implementing, and optimizing Linux infrastructureMaintaining and supporting existing Linux systems
ResponsibilitiesAdvanced troubleshooting, system architecture, scriptingSystem setup, user management, routine maintenance

The Senior Linux System Engineer typically focuses on designing and optimizing Linux environments, requiring advanced skills and certifications. In contrast, the Linux System Administrator handles daily maintenance and support tasks. Both roles often require similar certifications and work in similar environments, but their responsibilities differ in scope and complexity.

What are popular job titles related to Senior Linux System Engineer jobs in New Hampshire?

For Senior Linux System Engineer jobs in New Hampshire, the most frequently searched job titles are:

What job categories do people searching Senior Linux System Engineer jobs in New Hampshire look for?

The top searched job categories for Senior Linux System Engineer jobs in New Hampshire are:

What cities in New Hampshire are hiring for Senior Linux System Engineer jobs?

Cities in New Hampshire with the most Senior Linux System Engineer job openings:

What are popular job titles related to Senior Linux System Engineer jobs in NH?

For Senior Linux System Engineer jobs in NH, the most frequently searched job titles are:

Infographic showing various Senior Linux System Engineer job openings in New Hampshire as of August 2026, with employment types broken down into 5% As Needed, 90% Full Time, and 5% Contract. Highlights an 95% In-person, and 5% Hybrid job distribution.

Linux Kernel Software Engineer

Arista Networks

Nashua, NH

Full-time

Re-posted 28 days ago


Job description

Company Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We  believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Job Description

Who You'll Work With

Arista's Linux Kernel team is responsible for developing and maintaining the Linux kernel in EOS.  This includes keeping pace with the latest developments in the upstream Linux Kernel community, and integrating new versions of the upstream kernel as they become available. This work also involves designing and implementing new Linux kernel features, and working with the upstream kernel development community to get these changes incorporated into the mainline Linux kernel code base.  

Kernel software engineers are also responsible for the CPU subsystems on all Arista products. You will evaluate new CPUs and work with CPU vendors to integrate their kernel support into EOS. You will also help to bring-up and qualify new CPUs in our hardware products.

Arista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is Linux Kernel software, your work will cover all aspects of software development spanning the addition of new features, debugging problems and fine tuning code for scalability and performance. You will own your projects from definition to deployment and customer interactions, and you will be responsible for the quality of everything you deliver.

What You'll Do

  • Track ongoing developments in the Linux Kernel and identify features and functionality of interest to Arista for our products and for internal development needs.
  • Develop and maintain EOS Kernel features and tests using C, C++ and Python, review and contribute to functional and design specifications. Build automated tests and test infrastructure to validate the features.
  • Work with hardware engineers and vendors to qualify new Kernel dependent hardware components like CPUs and NICs for integration into Arista products.
  • Work with the Kernel community to contribute features back to the mainline.
  • Work with a team of Kernel engineers to integrate new versions of the Kernel for use in EOS and our internal development.
  • Provide technical leadership across features, projects and tools.
  • Work with Customer Support Engineers and customers to analyze, mitigate and fix problems in customer networks.
  • Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
  • Mentor new and junior engineers to bring them up to speed in Arista's software development environment.
Qualifications
  • BS Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 2 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 1 years experience, or equivalent work experience
  • Expert knowledge of and extensive experience programming in C required.  Knowledge of C++ and Python is desirable.
  • Significant hands-on experience troubleshooting issues, fixing bugs and developing features in the Linux kernel.
  • Familiarity with Linux kernel architecture, design and implementation.
  • Familiarity with the upstream Linux community's patching process and procedures.
  • Understanding of IP networking architecture, design and principles
  • Applied understanding of modern software engineering principles and practices
  • Strong problem solving and troubleshooting skills.
  • Strong software design and implementation skills.
  • Ability to work independently and in small teams.
  • Ability to communicate articulately, and document your designs and implementations clearly, and concisely.
  • Familiarity with the x86 and ARM CPU architectures

#LI-SP1

Additional Information

Arista Networks is an equal opportunity employer.  Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law.  All your information will be kept confidential according to EEO guidelines.