Infrastructure Monitoring Engineer (On Contract)

About the Role At PubMatic, we are building the future of the digital advertising supply chain powered by large-scale, real-time systems. As an Infra Monitoring Engineer, you will be part of the Network Operations Center (NOC), ensuring high availability, performance, and reliability of critical infrastructure. In addition to core monitoring responsibilities, this role encourages the use of AI-driven tools and automation to improve incident detection, troubleshooting efficiency, and operational productivity. Candidates will have the opportunity to leverage modern AI assistants for faster RCA, log analysis, and operational insights What You'll Do Monitor infrastructure, applications, and network systems using tools such as Grafana, Nagios, and internal dashboards. Handle alerts and incidents (P1/P2), perform initial triage, and ensure timely escalation and resolution. Provide Tier-1 support for production systems and services. Collaborate with Engineering, AdOps, and DevOps teams for troubleshooting and issue resolution. Support real-time systems involved in ad serving, bidding, and traffic flow. Leverage AI tools (e.g., log analysis assistants, alert summarization tools) to speed up debugging and root cause analysis. Use structured prompts to extract insights from logs, metrics, and incident data. Participate in deployment monitoring and post-release validation. Document incidents, contribute to RCA, and maintain operational runbooks/Wiki. Ensure effective shift handovers and adherence to NOC processes. Identify recurring issues and suggest automation or AI-assisted solutions. We'd Love for You to Have 1–3 years of experience in NOC / Infra Monitoring / Production Support roles. Basic understanding of Linux (CLI, processes, memory, disk, networking basics). Familiarity with monitoring tools like Grafana, Nagios, or similar. Basic knowledge of networking concepts (TCP/IP, DNS, HTTP/HTTPS). Understanding incident management and alerting tools (Jira, Zenduty, etc.) Exposure to AI tools (ChatGPT or similar) for troubleshooting, documentation, or analysis.