Rajnesh Kumar Siwal Email & Phone Number

Campbell, Ca, Us

+ Leading a globally distributed team of SREs to ensure high availability, performance, and reliability of critical production systems.+ Implemented the FedRAMP compliant cloud infrastructure in just 7 months+ Successfully implemented DevOps practices and tools to streamline development and deployment processes.+ Architected and migrated complex systems from monolith to microservices.+ Developed and executed incident response plans to minimize downtime and service disruptions.+ Collaborating with engineering teams to optimize system performance and reduce operational costs.+ Keeping a hybrid Infrastructure including virtual machine and K8s clusters compliant with security standards including PCI-DSS , FedRAMP and so on.

Campbell, Ca, Us

+ Modernizing of the infrastructure for HA , Security and improvement in serviceability.+ Moved all Infrastructure to the IaaC using Terraform+ Coding the Infrastructure to easily replicate for multiple regions+ Moving the services from Monolith to Containerization+ Enhancing the monitoring for the Infrastructure.+ Keeping infrastructure compliance for the security standards.

Campbell, Ca, Us

Got one more member in the Infra team and we started working on enhancing the Infrastructure :+ Improving the monitoring for the Infra+ Continuously adding more services as required by Infra+ Migration of an environment from dedicated hosting to AWS Cloud+ Adding monitoring in AWS+ Keeping Infrastructure patched and PCI Compliance

Campbell, Ca, Us

Still working as an Individual contributor and handling the following responsibilities of the infrastructure that grew to approx. 400 servers:+ Servers and Firewall Hardening + PCI Compliance+ Monitoring system and applications using Zabbix+ Chef + OpenLDAP : OpenLDAP replication+ MySQL : Managing and Monitoring MySQL Servers including their replication+ Zookeeper Ensemble + Solr Cloud Cluster+ Cassandra Cluster+ OSSEC based Host Intrusion detection System+ Central Logging of the Environment including Rsyslog and Alertlogic.+ Partition Encryption using LUKS+ Disk Based Replication using DRBD+ Nginx Load Balancer+ Subversion, Jenkins, Trac.+Apache, Tomcat, NFS, TFTP and DNS Servers (Bind)+AWS : Automated deployment of the EC2 instances using the Cloudformation and Chef. Sound knowledge of handling various services in AWS including VPC, EFS, S3, RDS, ElasticCache, Route 53, CloudWatch, CLoudTrail, IAM, Directory Service,SQS, SNS, SES

Campbell, Ca, Us

Responsible for the following responsibilities as an IC:-+Responsible for 24x7 monitoring for Infrastructure+Patching and Keeping Infra PCI compliant+Managing the IPSec VPNs+Managing Rackspace and Fortinet based firewalls+Supporting India , US developers and QA , Production environments+ Adding more services and monitoring for them

Campbell, Ca, Us

Handled the following tasks as an Individual Contributor:+Migration of the Infrastructure to a different Datacenter in Rackspace +Setting Multi-Master replication between the Rackspace regions.+Enabled Secured Centralized Authentication for the Infra with OpenLDAP+Added monitoring for the infrastructure+Responsible for 24x7 monitoring for Infrastructure+Patching and Keeping Infra PCI compliant+Managing the IPSec VPNs+Managing Rackspace and Fortinet based firewalls+Hudson (Jenkins) was introduced for Automated deployment+Supporting India and US developers and QA environments+Managing HA Cassandra & Zookeeper Clusters.+Managed Testlink, Subversion, DNS, OpenLDAP etc.

Andover, Ma, Ma, Us

San Francisco, Ca, Us

Rhca (Red Hat Certified Architect), Performance Tuning

Redhat Certified Clustering And Storage Specialist, Clustering And Storage Management

Redhat Certified Datacenter Specialist, Redhat Linux

Redhat Certified Security Specialist, Selinux, Firewall, Security, Directory Services

Mca

B Sc., Physics, Maths, Computer Application

Aissce, Physics, Maths, Chemistry, Biology, English

Ssc

Education record