Senior C++ Software Engineer - Ireland, Greece, Spain, Hungary or Romania

Arista; Dublin; On-site; EUR 90,000 - 140,000; Part time

Job summary

Arista Networks is a leader in data-driven, client-to-cloud networking for large data center environments. The OpenConfig team builds programmable infrastructure using software-defined networking principles and declarative configuration.

You will contribute to EOS, a Linux-based, single-image operating system designed for consistency across devices, with a strong emphasis on state orientation and open standards.

Qualifications

• 5+ years of C/C++ programming experience.
• Strong background in algorithms and software architecture.
• Hands-on product-engineering experience.

Responsibilities

• Contribute to the OpenConfig team building a programmable data centre infrastructure.
• Develop and maintain high-performance C/C++ software for a networking OS and related tools.
• Collaborate across DevOps practices to enable reliable, scalable deployments.

Skills

C/C++

Job description

Senior C++ Software Engineer - Ireland, Greece, Spain, Hungary or Romania

• Contract

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.

Who You'll Work With

The OpenConfig team who are responsible for building a dynamic, programmable data centre infrastructure using software-defined networking principles such as declarative configuration and model-driven management and operations.

What You'll Do

Arista's engineering team started from a blank sheet of paper to architect an entirely newnetworking operating system. Arista's unique architecture is based on three guiding principles:

1. State orientation

2. Open standards-based approach

3. Single software image consistency

1) State Orientation for publish-subscribe communication

State Orientation uses a unique multi-process state-sharing architecture that separates stateinformation from protocol processing and application logic with a central database shared bydiverse applications. Both system state and data are stored in the system database where datais accessed via an automated publish/subscribe model. This distinct design principle providesmodule independence, self-healing resiliency, and multi-process software stability. It is anelegant distributed systems solution applied holistically right across the network. This contrasts with the decades-old legacy approach of many competitors that uses extensiveinter-process communications (IPC), a shared memory bus, or a complex message passingframework to communicate across the system components.

Arista took to heart the lessons of the open-source world and built EOS on top of an unmodifiedLinux kernel, maintaining full, secured access to the Linux shell and utilities. It is notable that itis the same Linux OS that Arista's customers run in their data centers and on their servers. Thisfoundational methodology enables EOS to preserve the security, feature development, and toolsof the Linux community, unlike legacy approaches where the original OS kernel is eithermodified or based on older, less maintained versions. By adhering to open source Linux, EOSalso natively supports Linux containers and virtual machines, simplifying the deployment of newservices and enhancing DevOps practices.

3) A Single Image

Arista's third and crucial guiding principle is to provide a single software image that runs acrossall products in various packaging forms - physical platforms, virtual machines, and containers. The EOS single image uses the same source code, and the same version of the softwarereleased across the entire portfolio of switches and routers, thus improving network testing andreliability while reducing the complexity and cost of network operations. This approach is a large differentiator to legacy vendors who use multiple operating systemswith numerous images to implement a siloed network. Managing these multiple software imageswith quality control testing or new features testing multiplies operational costs. In contrast, whenArista releases a new software version, customers merely deploy a single image network-wide.In addition, having a single image improves automation workflows by allowing DevOps tools,such as Ansible or Terraform, to work across all Arista devices with a single integration. Usingthese integrations, operators can establish Continuous Integration (CI) pipelines that build, test,and deploy network configurations across the entire data center with increased speed andreliability.

#LI-EO1

• 5+Fluency in one of C or C++programming.
• Strong engineering and Computer Science fundamentals.
• Extensive background in algorithms and strong software architecture skills.
• Hands-on experience with designs and implementations in a strong product-engineeringenvironment.

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