[Hiring] Senior Site Reliability Engineer @Arista Networks

Role Description

We are seeking an experienced and analytically-minded Site Reliability Engineer to join our organisation on a permanent, remote basis from Ireland. In this role, you will be instrumental in building, deploying, and operating critical production systems with a steadfast commitment to scalability, reliability, observability, and security. You will work collaboratively with cross-functional teams to ensure our infrastructure remains resilient, efficient, and future-ready. This is an excellent opportunity for a detail-oriented professional who thrives in a dynamic environment and is passionate about solving complex infrastructure challenges.

What You'll Do

• Design, build, and deploy production systems with a focus on scalability, reliability, observability, and performance, ensuring systems meet stringent security standards.
• Develop and maintain comprehensive automation solutions to eliminate toil and streamline operational efficiency across production environments.
• Proactively monitor production systems, establish intelligent alerting strategies, and implement automated incident response mechanisms to minimise downtime.
• Create and maintain detailed incident response runbooks; conduct thorough postmortem analyses following incidents to identify root causes and prevent recurrence.
• Collaborate with software engineering teams to identify and resolve infrastructural bottlenecks, designing innovative solutions that enhance product deployment workflows.
• Manage and optimise monitoring infrastructure using industry-standard tools, ensuring comprehensive visibility across all systems.
• Plan, communicate, and execute maintenance windows on production systems with minimal disruption to service availability.
• Triage platform and infrastructural issues with decisiveness and analytical rigour; engage with third-party vendors and support teams as required.
• Deploy new systems and updates in a staged, risk-managed manner, ensuring safe and incremental rollouts.
• Survey and adopt best practices in infrastructure and platform management to maintain secure, scalable, and fault-tolerant systems.
• Study the design and implementation details of open-source systems to enhance troubleshooting capabilities and accelerate issue resolution.
• Work transparently with stakeholders to communicate system status, planned maintenance, and infrastructure improvements.

Qualifications

• Essential Requirements:
• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience (5+ years in a related infrastructure or systems role).
• Proficiency in one or more programming languages: Go, Python, or bash shell scripting, with the ability to implement medium-complexity automation workflows.
• Strong knowledge of Linux or UNIX from both administration and debugging perspectives.
• Hands-on experience operating software systems, infrastructure, and complex applications at scale in production environments.
• Demonstrated expertise in infrastructure-as-code principles and practices.
• Strong problem-solving and software troubleshooting skills with a methodical, analytical approach.
• Experience with server provisioning, particularly from storage and networking perspectives.
• Proven ability to work collaboratively within cross-functional teams and communicate technical concepts clearly.
• Experience with incident response, postmortem analysis, and continuous improvement methodologies.
• Desirable Skills and Experience:
• Experience with container orchestration platforms, particularly Kubernetes.
• Hands-on experience with Docker and virtualisation technologies.
• Proficiency in managing monitoring stacks, including Prometheus and Grafana.
• Experience with CI/CD systems such as GitLab tools or Spinnaker.
• Knowledge of infrastructure-as-code frameworks, particularly Terraform.
• Experience managing databases such as PostgreSQL or equivalent relational database management systems.
• Experience with artifact repositories and Docker registries.
• Familiarity with cloud platforms (Google Cloud Platform, Amazon Web Services, or Microsoft Azure).
• Understanding of distributed systems architecture and principles.
• Experience with performance tuning and system optimisation.
• Knowledge of security best practices in infrastructure and systems design.
• On-call support experience and comfort with incident response responsibilities.

Benefits

• 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.