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. Arista is a well-established and profitable company with over $8 billion in revenue. Arista's award-winning platforms, ranging in Ethernet speeds up to 800G bits per second, redefine scalability, agility, and resilience. Arista is a founding member of the Ultra Ethernet consortium. We have shipped over 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Arista is committed to open standards, and its products are available worldwide directly and through partners.
At Arista, we value the diversity of thought and perspectives each employee brings. We believe 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 the Great Place to Work Survey for Best Engineering Team and 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 quality and performance standards in everything we do.

Who You'll Work With
SRE's at Arista combine strong software and systems engineering with a passion for operating production systems at scale. As an SRE you'll be part of the team responsible for our global service fleet.
What You'll Do:
CloudVision is deployed on Kubernetes across global regions using Spinnaker for our CI/CD pipeline. Our tech stack runs on GKE, using HBase/Hadoop as main distributed database and storage layer, ElasticSearch for powering search data, ClickHouse for fast real time queries of flow data, our own Kafka-based distributed real time stream processing layer for analytics, and TensorFlow for ML analysis. Our monitoring system is built on top of Prometheus, Grafana, Loki, and other OSS tools.
As a Senior SRE, you'll be responsible for our global CloudVision service fleet. This includes:

• Build, deploy safely and incrementally and operate critical production systems with focus on scalability, reliability, observability, performance and security.
• Monitor, support and enhance product deployment experience across services.
• Build automation to remove toil and efficiently operate production systems.
• Proactively monitor, respond to, and enhance alerts and set up automated alert handling
• Create and maintain the incident response runbooks.
• Build and deploy new systems with scalability, reliability, and observability as primary requirements
• Triage platform/infrastructural issues and help Arista software engineers in their triages. Engage with 3rd party vendor support.
• Deploy new systems in a staged manner
• Write postmortem documents and build solutions to avoid incidents from repeating.
• Plan and communicate maintenance windows on production systems.
• Work with Arista's product development teams to identify infrastructural issues that are causing bottlenecks and limitations in their workflows. Design and implement solutions to resolve them.
• Survey and adopt best practices around infrastructure/platform to maintain secure, scalable and fault-tolerant systems.
• Implement solutions to scale the systems
• Implement fault-tolerance and performance to improve availability of the systems
• Study the design and sufficient implementation details of OSS systems for better triage and fix resolution.

Qualifications

• At least Bachelors in Computer Science or Engineering + 5 years' experience, MS Computer Science or Engineering + 5 years' experience, or equivalent work experience.
• Knowledge of one or more of Go, Python, bash shell scripting to be able to implement medium complexity automation workflows.
• Knowledge of Linux (or UNIX) from administration and debugging perspective
• Hands-on experience in operating software systems (infrastructure, complex applications etc) at scale
• Experience in server provisioning (esp from storage and networking perspective).
• Strong problem solving and software troubleshooting skills
• Experience with infrastructure-as-code.
• Desirable to have one/more of the following skills
• Experience managing databases - eg: PostgreSQL or equivalent RDBMS etc
• Experience with docker and virtualization technologies
• Experience managing monitoring stack - Prometheus, Grafana etc
• Experience managing Artifactory, docker registry etc
• Experience managing CI/CD systems like GitLab tools, Spinnaker etc
• Experience with infrastructure-as-code frameworks like Terraform
• Experience with container orchestration via Kubernetes

Additional Information
Arista stands out as an engineering-centric company. Our leadership, including founders and engineering managers, are all engineers who understand sound software engineering principles and the importance of doing things right.
We hire globally into our diverse team. At Arista, engineers have complete ownership of their projects. Our management structure is flat and streamlined, and software engineering is led by those who understand it best. We prioritize the development and utilization of test automation tools.
Our engineers have access to every part of the company, providing opportunities to work across various domains. Arista is headquartered in Santa Clara, California, with development offices in Australia, Canada, India, Ireland, and the US. We consider all our R&D centers equal in stature.
Join us to shape the future of networking and be part of a culture that values invention, quality, respect, and fun.

Skills Required