Calix Hiring Site Reliability Engineer I in Bangalore

Calix is hiring a Site Reliability Engineer I (SRE I) to ensure production services remain available, scalable, and efficient on Google Cloud Platform. As part of Calix One — the company's cloud-first, AI-powered platform — this entry-level role bridges the gap between development and operations by applying software engineering mindsets to containerized infrastructure challenges. It focuses on GitOps application deployments via ArgoCD, alert triage, Grafana Labs observability, and AIOps platforms, backed by strong OS and networking knowledge.

The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses through real-time data, automation, and actionable insights. This is a once-in-a-generational opportunity in the broadband industry, helping customers reach their potential and connect underserved communities with unrivaled digital experiences.

Key responsibilities include:

• Deploy, roll back, and manage the lifecycle of containerized applications using ArgoCD pipeline workflows
• Act as the first line of defense to investigate, troubleshoot, and resolve infrastructure, OS-level, application, and network alerts
• Diagnose connectivity and latency issues across all network layers, isolating problems between cloud VPCs and Kubernetes overlays
• Diagnose deep Operating System bottlenecks including CPU throttling, memory leaks, and storage constraints on GKE worker nodes
• Use AI-driven operations tools to interpret correlated events, anomaly detections, and automated root-cause insights
• Participate in on-call rotations, using Grafana dashboards and AIOps suggestions to quickly mitigate production container issues

• Practical experience deploying and managing applications using ArgoCD and Git version control systems
• Comprehensive knowledge of all layers of networking (OSI model), with practical troubleshooting skills:
  • Layer 7 (Application): HTTP/S, DNS, gRPC, and SSL/TLS handshakes
  • Layer 4 (Transport): TCP/UDP mechanics, three-way handshakes, and port allocation
  • Layer 3 (Network): IP routing, CIDR blocks, subnetting, and ICMP
  • Kubernetes Networking: Pod-to-Pod communication, Services, Ingress controllers, and CNI plugins
• Strong, deep foundational knowledge of Linux (Ubuntu, Debian, or Container-Optimized OS) internals, process management, file systems, and kernel parameters
• Proficiency with command-line diagnostic tools such as tcpdump, curl, dig, traceroute, top, and iostat
• Familiarity with AI-driven operations, event correlation, anomaly detection, and automated noise reduction
• Foundational experience with the Grafana Labs ecosystem (Grafana, Mimir/Prometheus, Loki, Tempo)
• Functional knowledge of deploying, scaling, and managing workloads in GKE
• Demonstrated experience writing automation scripts in Python, Bash, or Go
• Nice to have: anomaly detection concepts and log-based ML models
• Strong problem-solving skills with the ability to systematically troubleshoot complex microservice and OS-level issues under pressure
• Strong sense of ownership and ability to prioritize alerts based on business impact
• Clear written and verbal communication during high-stress incident responses

Location: India — flexible hybrid work model, work from the Bangalore office for 20 days in a quarter

Note

CloudSutra is a helping hand, not the official recruiter. Kindly apply only on the official career site of the respective company.