FELIX RAJKUMAR
Phoenix,AZ
Summary
Site reliability engineering architect with 15+ years of experience in cloud transformation and reliability engineering across multiple regions. Managed teams of over 25 engineers, supporting 27+ critical applications and achieving operational excellence through automation, resulting in significant cost savings. Proficient in Hadoop, Big Data, Google Cloud Platform, Python, and observability engineering, with a track record of delivering large-scale solutions that align technology strategies with business objectives.
Overview
1
1
Certification
15
15
years of professional experience
Work History
SRE Architect
ATOS
Phoenix, AZ
07.2024 - Current
- Architected enterprise reliability platform hosted on GKE integrating multiple GCP projects.
- Built centralized monitoring for DAGs, long-running jobs, ingestion pipelines, and table load validations.
- Implemented Slack and email subscription-based alerting framework.
- Developed AI-powered root cause analysis and operational intelligence capabilities.
- Established a one-stop operational command center for enterprise data platforms.
- Enterprise Data Reliability Platform
- Automated deployment processes using configuration management tools.
- Collaborated with data engineers to optimize ETL processes for improved performance.
- Developed scalable Spark applications for large data processing tasks.
SRE Lead
ATOS
London, United Kingdom
05.2022 - 07.2024
- Directed design, development, and support of scalable data processing solutions utilizing Python, Hadoop, Spark, and Google Cloud Platform (GCP).
- Developed scripts for system monitoring and alerting procedures.
SRE Senior Consultant
ATOS
Phoenix, AZ
04.2015 - 05.2022
- Resolved production issues using troubleshooting techniques and standard operating procedures.
- Conducted root cause analysis on recurring issues to improve system stability.
- Designed automated systems for production efficiency and reliability.
- Designed and developed data pipelines to ingest structured and unstructured data into HDFS using Apache Spark.
ETL Developer
ATOS
Chennai, India
04.2012 - 01.2015
- Designed ETL processes to extract, transform, and load data efficiently.
- Optimized existing ETL workflows to improve processing speed and reliability.
- Developed data quality checks to ensure accuracy in reporting systems.
- Collaborated with teams to gather requirements for data integration projects.
Education
Bachelor of Technology - Computer Science
Kalasalingam University
04-2011
Skills
- SRE architecture
- Google Cloud Platform
- Terraform infrastructure
- Docker containerization
- CI/CD pipelines
- Bigdata Spark
- BigQuery analytics
- Dataproc processing
- Pub/Sub messaging
- Grafana monitoring
- Splunk analysis
- Python programming
- Hadoop ecosystem
- ETL processes
- Ab Initio data processing
- AIOps strategies
- Agentic AI solutions
- ServiceNow management
Accomplishments
- Led the Site Reliability Engineering and Application Support organization supporting 27 mission-critical Marketing and Big Data platforms, managing 25+ globally distributed onshore and offshore engineers while ensuring 24x7 operational excellence and platform stability.
- Conceived, architected, and delivered the enterprise-wide BOSSBot automation platform, introducing 41 intelligent automation use cases adopted by 1,000+ active users and processing over 250,000 requests, significantly enhancing user experience and operational efficiency
- Eliminated 50K+ manual support hours through automation, self-service capabilities, proactive monitoring, and operational process optimization, enabling teams to focus on higher-value engineering initiatives.
- Implemented proactive monitoring, self-healing, and intelligent alerting, saving over $500K in operational costs.
- Led Netezza-to-SmartSelect migration delivering $600K annual infrastructure savings.
- Built Big Data Smart Monitoring Utility monitoring 1,300+ enterprise jobs with automated recovery.
- Created Grafana observability platform monitoring 2,000+ ETL jobs and 500+ Mainframe jobs.
- Led critical platform modernization, decommissioning, cloud transformation, and migration initiatives, ensuring seamless execution, minimal business disruption, and successful stakeholder alignment across global teams
- Led the design and implementation of LUMI and AssignMe, two strategic enterprise platforms leveraging GCP, Kubernetes, Python, Java, Microservices, and Agentic AI. LUMI established a single source of truth for enterprise reliability, monitoring, and operational insights across multiple cloud environments, while AssignMe transformed workforce management through intelligent ticket routing, automated shift planning, incident management automation, and executive-level operational analytics
Certification
- Google Cloud Associate
- ATOS Next-Gen Manager
Timeline
SRE Architect
ATOS
07.2024 - Current
SRE Lead
ATOS
05.2022 - 07.2024
SRE Senior Consultant
ATOS
04.2015 - 05.2022
ETL Developer
ATOS
04.2012 - 01.2015
Bachelor of Technology - Computer Science
Kalasalingam University