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Senior Network Engineer Jobs in Chester, NH (NOW HIRING)

jobr.pro

Software Engineer Network Systems

Nashua, NH · On-site

$125 - $150/hr

As a software engineer in the Network Systems group, you will collaborate with hardware engineers to design and build novel features that help Arista hardware run effectively and efficiently. You ...

Arista Networks

Software Engineer, Layer1

Nashua, NH · On-site

Stable and reliable physical connectivity is critical for any network and that is your challenge ... Arista Software Engineering roles demand a strong and broad software engineering background. While ...

Arista Networks

Software Engineer, Layer1

Nashua, NH · On-site

Stable and reliable physical connectivity is critical for any network and that is your challenge ... Arista Software Engineering roles demand a strong and broad software engineering background. While ...

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All JobsNetwork Engineer JobsSenior Network Engineer JobsSenior Network Engineer Jobs in Chester, NH

Senior Network Engineer information

See Chester, NH salary details

$43K

$125.1K

$176.9K

How much do senior network engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for senior network engineer in Chester, NH is $125,128.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,100.00 and $144,000.00 per year, depending on experience, location, and employer.

What is a senior network engineer?

Senior Network Engineers are experienced IT professionals responsible for designing, implementing, and managing complex computer networks within organizations. They oversee network infrastructure, troubleshoot issues, ensure network security, and optimize performance. Typically, they lead network projects, mentor junior staff, and collaborate with other IT teams to support business operations. Their expertise covers a range of technologies, including routers, switches, firewalls, and cloud networking.

What does a senior network engineer do?

A senior network engineer builds and maintains data communication networks for a company or organization. As a senior network engineer, you have several years of industry experience and lead a team of junior network engineers and network administrators to ensure both the local area network (LAN) and wide area network (WAN) are functioning properly. Your job duties include installing software and hardware, creating a layout plan for cables, and troubleshooting and solving problems that arise with the networks for which you are responsible.

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

To excel as a Senior Network Engineer, you need a deep understanding of network architecture, protocols, security, and typically a bachelor's degree in computer science or a related field. Expertise in configuring and troubleshooting routers, switches, firewalls, and experience with tools like Cisco IOS, Juniper, or cloud networking platforms, along with certifications such as CCNP or CCIE, are highly valued. Strong problem-solving abilities, communication skills, and leadership are crucial for designing solutions and collaborating with IT teams. These competencies ensure reliable, secure, and scalable network infrastructures that support critical business operations.

What are some common challenges faced by senior network engineers when managing large-scale network infrastructures?

Senior Network Engineers often encounter challenges such as integrating new technologies into legacy systems, ensuring network security across a growing number of devices, and maintaining high availability while performing upgrades or troubleshooting. Balancing the demands of multiple stakeholders—like IT, security, and business units—can also be complex. Staying updated with evolving protocols and proactively identifying potential performance bottlenecks are crucial parts of effectively managing large-scale environments.

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

AspectSenior Network EngineerNetwork Administrator
CertificationsCCNP, CCIE, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentDesign, implement, and troubleshoot complex networksMaintain and support existing network infrastructure
ResponsibilitiesNetwork architecture, advanced troubleshooting, project leadershipNetwork setup, monitoring, routine maintenance

While both roles involve network management, a Senior Network Engineer focuses on designing and implementing complex network solutions, often leading projects. In contrast, a Network Administrator primarily maintains and supports existing networks, ensuring smooth daily operations.

More about Senior Network Engineer jobs

What cities near Chester, NH are hiring for Senior Network Engineer jobs?

Cities near Chester, NH with the most Senior Network Engineer job openings:

Senior Network Engineer jobs near you
Infographic showing various Senior Network Engineer job openings in Chester, NH as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 13% Part Time, and 6% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $125,128 per year, or $60.2 per hour.

Lead Software Engineer, Network Systems

jobr.pro

Nashua, NH • On-site

$150 - $200/hr

Other

Re-posted 4 days ago

Job description

Job Description

Who You'll Work With

Arista Networks is looking for world-class Senior/Lead Network Systems software engineers.

Network systems software is all about managing hardware components on switches and routers. As a senior/lead Network Systems engineer, you will collaborate and work with customers, product management and hardware engineers to design and build novel features that help Arista hardware run effectively and efficiently. You will write software that controls everything from temperature sensors, fan controllers, power controllers, storage devices to FPGAs, NICs and PCIe switches. You will design abstractions that allow this software to be easily packaged and integrated into hardware drivers that manage all our hardware. You will have the opportunity to design solutions to accelerate key functions using hardware and FPGAs to improve system performance. You will also get to work closely with our hardware engineers throughout the lifecycle of our products - ranging from influencing hardware designs for ease of software control, to bringing up brand new hardware and taking it through the development cycle to market.

What You'll Do

Arista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is Network Systems software, the role 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.

Arista Software Engineering prides itself on a supportive and growth oriented culture. Over time, as your interests change, coupled with evolving business needs you will have the opportunity to switch from packet forwarding to other areas, if you like.

  • Interface with customers, product management and hardware engineers to come up with innovative new network systems features.
  • Architect, design and manage the development of these features.
  • Develop and maintain features using C, C++ and Python, review and contribute to functional and design specifications. Build automated tests and test infrastructure to test the features.
  • Work with hardware and manufacturing teams to bring new hardware to market.
  • Collaborate with hardware engineers to design optimal software control interfaces for managing hardware components.
  • 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 + 8 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 6 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or equivalent work experience
  • Expert knowledge of C or C++ and Python.
  • Knowledge of UNIX or Linux
  • Hands‑on experience in the design and development of hardware device drivers and/or system management utilities
  • Understanding of IP networking and/or distributed systems is a plus
  • Experience working with low level hardware components is a plus
  • Applied understanding of software engineering principles
  • Strong problem solving and software troubleshooting skills
  • Ability to design a solution and implement features independently.
  • Ability to work in small teams
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.

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