Unmilan Saha
Calgary,AB
Summary
Site Reliability & Production Support Engineer with 9+ years of experience ensuring the operational reliability of distributed, cloud-based applications. Strong expertise in Linux, AWS, Kubernetes, and CI/CD pipelines (Jenkins, Git), with hands-on experience automating operational tasks using shell scripting and SQL to improve efficiency. Proven ability in incident response, root cause analysis (RCA), and proactive monitoring using Splunk, Dynatrace, and AWS CloudWatch to maintain high availability and system stability. Seeking Application Support or SRE Specialist roles.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Site Reliability/Production Support Engineer
Wipro Ltd – Rogers Communications
12.2020 - Current
- Provided application support and site reliability engineering for microservices on AWS & Linux, leveraging monitoring and logging dashboards.
- Troubleshot live system failures using kubectl, pod logs, restarts, scaling, rollout analysis.
- Performed deployments via Jenkins CI/CD, version upgrades & config changes with zero-impact rollouts.
- Automated repetitive checks with Shell + SQL, reducing operational effort by ~40%.
- Responded to incidents with root cause analysis, helping reduce repeat failures significantly.
- Monitoring & alert setup using Dynatrace, Splunk, CloudWatch, improving service visibility by leveraging observability tools.
- Worked cross-functionally with Dev, Ops, Network & DBA teams for issue resolution & performance tuning
Production Support Analyst -Billing & Applications
Capgemini – Telia
09.2019 - 12.2020
- Provided application support and site reliability engineering for applications running on Linux & cloud-based environments by monitoring, logs analysis & incident resolution.
- Worked with SQL, Shell scripts & service monitoring dashboards for issue detection.
- Involved in release deployment support, configuration validation & rollback prevention.
- Performed root cause analysis, prepared fixes/workarounds & reduced repetitive incidents.
- Built small automation scripts using Python and Shell to reduce manual operational tasks by 30%.
L2/L3 Application Support Engineer
Tata Consultancy Services – Cisco Webex
08.2016 - 09.2019
- Executed BILLRUN cycles, system validations, pin_bill_day checks and invoice monitoring.
- Handled production incidents, restarts, cron jobs & deployment assistance.
- Built scripts for usage log checks & reporting automation, improving support efficiency.
Education
Bachelor of Technology (B.Tech) - Electrical Engineering
University of Engineering & Management
Jaipur06.2016
Skills
- SRE / DevOps: Kubernetes, Docker, AWS, CI/CD, Jenkins, Git, Site Reliability Engineering
- Automation: Bash/Shell scripting, Python (basic), Cron jobs, Oracle SQL & PL/SQL, Database skills
- Support: Incident response, Deployment, Root Cause Analysis (RCA), UAT, Application support, Investment banking knowledge
- Monitoring: Dynatrace, Splunk, CloudWatch, Grafana (basic), Observability tools
- Troubleshooting: Linux, DNS, SSL, Log analysis, Kubernetes pod debugging
Accomplishments
- Automated recurring checks using Shell/SQL, reducing manual effort by 40%
- Achieved >95% incident SLA compliance through fast troubleshooting/resolution
- Improved reliability by adding monitoring alerts, reduced critical incidents
- Zero rollback deployment support via Jenkins & post-deploy validations
- Conducted RCA for repeated failures, reducing repeat incidents by 25%
Certification
- DevOps Certification - Wipro (Internal), CI/CD, Git, Jenkins, Automation, DevOps foundations
- Oracle BRM L1 & L2
Timeline
Site Reliability/Production Support Engineer
Wipro Ltd – Rogers Communications
12.2020 - Current
Production Support Analyst -Billing & Applications
Capgemini – Telia
09.2019 - 12.2020
L2/L3 Application Support Engineer
Tata Consultancy Services – Cisco Webex
08.2016 - 09.2019
Bachelor of Technology (B.Tech) - Electrical Engineering
University of Engineering & Management