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Rajkumar Kalaiselvam
Cloud Engineer - CKA, AWS, Azure & GCP Certified Engineer
Professional Background
Rajkumar Kalaiselvam is a seasoned and ambitious executive with over 13 years of proven excellence in the telecommunications domain, particularly in managing business requirements and delivering effective online channel strategies. His experience spans across dynamic environments and various geographical landscapes within the telecom sector. Rajkumar has established himself as a trusted advisor to clients, providing strategic recommendations on Cloud Migration, securities, cost optimizations, and procedural enhancements by leveraging his analytical skills to evaluate organizational outcomes, identify potential issues, and anticipate emerging requirements. His role as Cloud Services Lead at O2, Telefonica UK, under Cognizant, underscores his adeptness in navigating the evolving landscape of cloud computing and online service delivery.
Education and Achievements
Rajkumar Kalaiselvam holds a Bachelor of Engineering (B.E.) degree in Electrical, Electronics, and Communications Engineering, which he earned with First Class honors from Anna University Chennai. His education has equipped him with a robust foundation that complements his extensive professional experience.
Moreover, Rajkumar has continually furthered his education through various certifications, including being a certified Amazon Web Services Solutions Architect - Associate, an Azure Architect Technologies (AZ-300), a Google Cloud Associate Cloud Engineer, and a Certified Kubernetes Administrator. These credentials validate his technical expertise and his commitment to remaining at the forefront of his industry.
Technical Expertise and Skills
Rajkumar boasts an impressive array of technical skills. He has hands-on experience with writing and executing Ansible scripts that have supported critical production deployments, showing his strong proficiency with automation tools. Additionally, he has a solid understanding and experience using Terraform for infrastructure as code implementations, which further enhances his capability to deliver scalable solutions.
He is also adept at building and managing Docker containers within production environments and has substantial experience managing Kubernetes clusters. His proficiency in various monitoring and alerting tools, such as Elastic (ELK), RunScope, Prometheus, Grafana, EFK (Fluentd), Slack, and PagerDuty, highlights his commitment to maintaining service reliability and operational excellence.
On the database front, Rajkumar has performed DBA activities across diverse databases including MongoDB, Cassandra, and MySQL, acquiring confidence and skill in managing data effectively. He also possesses foundational knowledge in Shell scripting and Python, which complements his technical toolkit.
Rajkumar has extensive experience in Financial Operations (FinOps) within AWS environments, helping organizations optimize their cloud usage through strategic management of AWS services. His FinOps activities include managing AWS Compute/EC2 Savings Plans, Standard and Convertible Reserved Instances, and utilizing Spot Instances to drive cost efficiency, alongside implementing Lambda-based solutions.
Operations and Service Management Expertise
Before transitioning to roles focused on cloud services, Rajkumar provided operational support for services integrated with Websphere and Weblogic application servers, gaining certification as an IBM Websphere and Oracle Weblogic administrator. His experience in the operational realm has provided him with in-depth insight into the configuration, maintenance, and administration of critical business applications.
He has demonstrated considerable expertise in managing certificates across various applications and servers, aligning them with the requirements of different IT systems and environments. Furthermore, Rajkumar has administered LDAP directory servers, showcasing his broad understanding of authentication and directory management technologies.
As an ITIL V3 certified professional, Rajkumar embodies a service-oriented approach in his work, drawing from over 12 years of experience collaborating with Service Management teams at leading telecom service providers in the UK. His extensive background in IT service management equips him with the skills necessary to enhance service delivery and operational performance, ensuring customer satisfaction.
Conclusion
Rajkumar Kalaiselvam's extensive professional background, educational achievements, and diverse expertise in cloud technologies, telecommunications, and operational excellence distinctly position him as a leader in the technology sector. With a career defined by a commitment to innovative solutions and strategic insights, he continues to foster success within organizations and for his clients, driving forward-looking strategies that embrace the future of technology.
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