S kalifullah dhameem ansari

Exotel – Site Reliability Engineer (SRE)
Duration: July 2025 – Present
Location: Bengaluru, India

As a Site Reliability Engineer at Exotel, I am responsible for ensuring the reliability, scalability, and performance of production systems through a combination of software engineering and infrastructure operations. My responsibilities include:

Designing and implementing automated monitoring, alerting, and incident response systems to ensure high availability and resilience of services.

Maintaining and optimizing CI/CD pipelines for reliable, fast, and secure software delivery using tools like GitHub Actions, ArgoCD, and Azure DevOps.

Managing cloud infrastructure (primarily Azure) with Terraform and Helm, ensuring consistency and scalability using Infrastructure as Code (IaC).

Writing and maintaining automation scripts in Python and Bash to handle repetitive tasks and incident recovery.

Driving root cause analysis (RCA) and implementing postmortem practices to learn from outages and prevent recurrence.

Working closely with product and development teams to define SLAs, SLOs, and error budgets, and embedding reliability into the SDLC.

Monitoring systems using Prometheus, Grafana, ELK Stack, and Azure Monitor, with focus on proactive issue detection and resolution.

Implementing zero-downtime deployments, blue-green and canary strategies for critical service updates.

Participating in on-call rotations and improving runbooks, documentation, and response playbooks for smoother operations.

HCL Technologies – DevOps Engineer
Duration: September 2022 – June 27, 2025
Location: Bengaluru, India

As a DevOps Engineer at HCL Technologies, I was responsible for designing, automating, and maintaining cloud infrastructure and CI/CD pipelines for enterprise-grade applications. My key contributions include:

Built and maintained CI/CD pipelines using Azure DevOps and GitHub Actions, improving deployment efficiency and reducing manual errors.

Managed and provisioned Azure cloud infrastructure using Terraform, ARM templates, and Azure CLI as part of Infrastructure as Code (IaC).

Containerized applications using Docker and deployed them on Linux servers, ensuring environment consistency and faster rollouts.

Automated monitoring, log rotation, and operational tasks using Shell and Python scripting.

Integrated tools like SonarQube and Veracode to enforce code quality and application security within pipelines.

Administered middleware platforms like Apache Tomcat and WebLogic, including performance tuning and deployment support.

Monitored infrastructure health using Azure Monitor, Log Analytics, and custom dashboards to ensure uptime and performance.

Worked closely with cross-functional teams (Dev, QA, Security) in Agile/Scrum environments using JIRA.

Supported incident resolution, change management, and release processes for mission-critical applications.

This role enabled me to strengthen my cloud DevOps capabilities, focusing on automation, security, scalability, and operational excellence in modern cloud environments.