Site Reliability Engineer
Juniper Networks
Bengaluru, Karnataka, India
Job description Juniper is changing what’s possible in networking. We’re going beyond building the networks customers expect — we’re building the networks customers deserve. And the world is taking note. But to continue to excel, we have work to do. Change in our industry is accelerating. To power connections and empower change, we need radical thinkers, eternal optimists, and energized personalities. We need people like you. Juniper is seeking a full-time SRE to join our talented team and support high quality technology solutions that revolutionize wireless and wired networks, powered by Artificial Intelligence in the cloud. Juniper provides services through SaaS applications to several enterprises, including Fortune 100 and Fortune 500 customers. You will be responsible for maintaining and improving the company's production environment for rapid scaling and outstanding performance. You will keep stellar cloud uptime and reliability. Your primary responsibilities will be incident management and release management in cloud instances in various regions. Responsibilities: Manage system availability, health and service levels (SLAs, SLOs) of the large-scale cloud infrastructure, running in AWS and GCP. Proactively monitor, diagnose, analyze failures, and provide support for software engineers to debug production issues across microservices and distributed platforms. Work with development team in resolving the issues found. Participate in on-call rotation and resolution of issues in a 24x7 multi-cloud (AWS/GCP) environment. Monitor metrics and performance of applications and cloud infrastructure. Manage code releases, i.e., push code and patches on cloud. Own entire lifecycle of incidents (incident management), including reporting, analyzing, handling incidents, all the way up to its closure and writing RCAs. Laser focus and be able to analyze scalability, reliability, high availability, performance, software maintainability, and operational challenges. Write and maintain runbooks for knowledge driven automated processes and bots. Perform capacity planning based on performance, usage, and utilization stats. Perform after-hours infrastructure updates and maintenance. Follow SRE best practices and procedures. Required Skills: Bachelor’s degree in Computer Science or Computer Engineering or equivalent. Minimum 6-7 years of devops/SRE experience. 5+ years hands-on experience with AWS or GCP, EC2 (GCE), IAM, S3 (GS), Docker, Kubernetes pods, Jenkins, Prometheus, CloudWatch (Stack Driver), Linux, Ansible, Salt 5+ years’ experience in deploying code and infrastructure in AWS or GCP using continuous integration/continuous delivery (CI/CD) tools in production environments. 5+ years of automation using python or/and Golang or/and shell scripting. 6+ prior experience in developing metrics to monitor health of infrastructure and applications. 5+ years of experience in managing SaaS applications infrastructure with REST based test automation experience using python. Basic understanding of Terraform or CloudFormation or any IaC code is preferred. Ideally detailed understanding of IP routing, Security and Cloud services such as CGNAT, IPSec, IDP and SDWAN/SDN for different customer use cases. The candidate should have a thorough understanding of networking fundamentals (TCP/IP, UDP, DHCP, DNS, ICMP, AR, routing and switching). General understanding of distributed systems. Understanding of data management technologies including relational and non-relational databases. Hands on experience in operating large-scale cloud-based distributed applications. Knowledge of build pipeline/infrastructure like Jenkin, GitHub, CICD would be added advantage. The ability to "fix the plane while in flight".
