Lead Infrastructure/DevOps
2018 - PRESENTARPAtech- Created CI/CD pipeline for ASP.NET application using Azure DevOps pipelines, helped engineering team setup Azure AD for authentication using LDAPs.
- Physically connected the client’s data centers to AWS infrastructure using AWS Direct Connect and troubleshoot issues which include OSI layers 1-4, from setting up the physical connection, establishing ARP using 802.1Q VLAN encapsulation, and establishing eBGP peering relationships with AWS infrastructure.
- Implemented IPSec based VPN tunnels between client’s on-premises equipment, the AWS Virtual Private Cloud resources, and ARPAtech's engineering teams.
- Followed best practice guidance for highly available, scalable, and secure cloud/hybrid cloud environments using AWS Config.
- Configured route tables, internet and NAT gateways, load balancing, direct connect, and firewall rules in AWS VPC to get access to the on-premises resources.
- Designed and built scalable infrastructure using Cloud-Native architecture for a large scale distributed application which is deployed on hybrid cloud systems (Private Cloud + AWS) using Kubernetes and Docker, created CI/CD pipelines with Jenkins to spin up the whole infrastructure and manage deployments using CloudFormation, Ansible, and Helm.
- Created a culture of automation, measurement, and sharing (CAMS) using ChatOps by exposing the frequently used administrative functions to all teams.
Technologies: Amazon ECR (Amazon Elastic Container Registry), Amazon Web Services (AWS), .NET, OpenVPN, Helm, Logstash, Kibana, Elasticsearch, GitFlow, Slack, Jira, Azure, AWS CloudFormation, Ansible, Zabbix, Jenkins, Kubernetes, Docker, Laravel, Architecture, Azure Application Gateway, Azure Cosmos DB, SecOpsSenior Infrastructure Engineer/Team Lead
2016 - 2018Cloudways- Assisted the customer support team in troubleshooting issues.
- Wrote Varnish VCL configuration to meet up with the custom caching needs.
- Automated the daily tasks by fetching the data through REST APIs and then processing it using Python scripts.
- Wrote Ansible Playbooks for the custom setups which includes installation and configuration of different services.
- Assisted clients with various Monitoring and logging tools.
- Troubleshot issues with Kubernetes based HA Clusters.
- Designed and built various dashboards over NewRelic and Circonus to monitor and visualize the service level indicators (SLIs) and other key performance indicators (KPIs); these dashboards are used in daily standups to drive the agenda.
- Built dashboards over PowerBI to visualize business performance data as a single source of truth for broader observation about the business as a whole.
Technologies: Amazon Web Services (AWS), Ansible, Docker, Varnish, Linux, Apache, PHP-FPM, NGINX, Kubernetes, GitManager Operations
2014 - 2016DIDx- Installed, configured, customized, and administered Linux servers (Centos).
- Performed research and develop new technologies.
- Set up load balancing and failover algorithms using Kamailio SIP Server.
- Installed and configured monitoring tools for Linux Servers and VoIP traffic (HOMER 5, SNGREP, Captagent, and Nagios).
- Evaluated performance of technical support team.
- Integrated systems to VOIP providers (Voxbone, Verizon, LEVEL3, Windstream).
- Monitored all customer inquiries and ensure appropriate resolution of the same.
- Analyzed and catered all security problems on network.
Technologies: SIP, Nagios, Monit, Apache, NGINX, Elastix, FreePBX, Kamailio, Asterisk