Hi, I’m
Abhilash Ravishankar
Bengaluru
Summary
- Experienced Site Reliability Engineer (SRE) with a proven track record of 12+ years in designing and optimizing highly available, scalable, and resilient cloud-native systems.
- Proficient in OpenStack, VMware, DevOps, CI/CD, and Infrastructure as Code (IaC) to drive efficiency and streamline operations.
- Committed to automating operational processes to enhance system reliability and minimize manual efforts. Skilled in incident management, observability, proactive monitoring, and root cause analysis.
- Proficient in incident response and resilience engineering, including postmortems and chaos engineering.
Overview
12
years of professional experience
2012
years of post-secondary education
Work History
Capgemini
R&D Manager - NetAct
10.2022 - Current
Job overview
- Optimized system reliability & availability by designing self-healing automation for network management system (NMS) deployments
- Led SRE best practices implementation for NetAct, reducing MTTR by 40% via automated root cause analysis tools
- Developed a zero-touch installation automation tool, eliminating manual installation steps and reducing deployment time by 50%
- Reduced security vulnerabilities by automating RHEL Errata updates, improving compliance scores
- Acted as SPOC for high-priority customer escalations, driving RCA and resolution for production outages
HCL Technologies
Senior Technical Lead - CiscoVIM
03.2021 - 10.2022
Job overview
- Served as Escalation Lead & SRE, ensuring 99.99% uptime for OpenStack-based cloud infrastructure
- Implemented automated fault detection & recovery for NFV platform, cutting manual intervention by 60%
- Designed troubleshooting playbooks & automation, reducing ticket resolution time from 7 days to 2 days
- Created JIRA EPICs & technical documentation to align R&D efforts with customer reliability needs
Nokia Networks
Technical Lead - Shared Data Layer
04.2019 - 02.2021
Job overview
- Led test strategy and fault coordination, reducing defect turnaround time from one week to 1-2 days through proactive first-level analysis
- Developed an automation framework using Shell & Python, significantly reducing manual efforts in VNF deployment lifecycle and QL5 qualification
- Automated VNF workflow executions via ROBOT framework, improving efficiency by cutting manual effort by several hours
- Designed an integration framework using Ansible, automating the integration of SDL VNF with NetAct (NMS), reducing manual qualification from per release to weekly
- Developed test plans, wrote test cases, and managed them in HP QC based on Functional Design (FD) specifications
- Implemented CI/CD automation pipelines, reducing deployment time for VNFs from 3 hours to 30 minutes
- Automated VNF deployment lifecycle using Python & Ansible, increasing efficiency by 40%
- Implemented performance monitoring & log aggregation using ELK & Prometheus
- Designed chaos engineering tests to improve resilience & failure tolerance in microservices
Nokia Networks
R&D Engineer - NetAct
12.2014 - 03.2019
Job overview
- Played the role of Installation lead for NetAct and SPOC for Test Automation
- Created a one-click installation automation tool for installing NetAct where it eliminated the need for document for installation via MENU driven approach
- It reduced the manual efforts by around 1 hour and removed the risk of human errors while executing the instructions
- Introduced and updated error reporting as many of the scripts lagged in the logging part making it difficult while debugging any issue
- This reduced the debugging time
- Automation of test cases done via ROBOT framework
- Actively taken part in the code review, code walkthrough, discussions, and team mentorship
- Resolved internal issues and customer queries/tickets during NetAct deployments, upgrades, and migration
- Visited the customer site from R&D to support Technical support team during an outage caused while upgrade
Mindtree
Senior Test Engineer - NetBackup
11.2012 - 11.2014
Job overview
- Automated all the Sanity cases using Python and executed test cases manually from Cycle 0 and pre-flight checklist till Regression cycle, bringing out defects majorly in backup/recovery of Linux machines to/from a tape device (virtual)
- Defined the qualification of the PARTIAL GREEN build and predicted failures at very initial stage
- This improved the turnaround time for build qualification by 3hrs from 8hrs
- Involved in testing of deduplication and optimization of Pure Disk Dedupe Engine (PDDE) along with fingerprint calculation
- Automated most of the test cases using bash shell scripts
Education
Dr. Ambedkar Institute of Technology
Master of Technology
Sambhram Institute of Technology
Bachelor of Engineering
Skills
Incident Response & Resilience Engineering: Postmortems, Chaos Engineering
Timeline
R&D Manager - NetAct
Capgemini
10.2022 - Current
Senior Technical Lead - CiscoVIM
HCL Technologies
03.2021 - 10.2022
Technical Lead - Shared Data Layer
Nokia Networks
04.2019 - 02.2021
R&D Engineer - NetAct
Nokia Networks
12.2014 - 03.2019
Senior Test Engineer - NetBackup
Mindtree
11.2012 - 11.2014
Sambhram Institute of Technology
Bachelor of Engineering
01.2010
Dr. Ambedkar Institute of Technology
Master of Technology
01.2012
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