Gangadhar Reganti
Princeton Junction,NJ
Summary
Structured Senior Systems Engineer bringing 20 years of successful industry performance to add value to technology team. Extensive knowledge of industry best practices on AWS Cloud computing and RedHat/Linux system engineering and administration.
Strong skills on system architecture and system integration, capacity, performance, low-latency, system tuning, patching, HA Clustering and System security.
Experience with large environments (3000+ systems).
Mentoring junior associates.
Strong communication skills, quick learner, Good analytical skills, Good interpersonal skills and self-motivated
Overview
27
27
years of professional experience
1
1
Certification
Work History
Senior Systems Engineer/Architect
M.C. Dean Inc
04.2021 - Current
- Setup of full networking services and protocols on UNIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality
- Installing, configuring, troubleshooting of issues in AWS cloud environment
- Configured and deployed patches, upgrades, bug fixes on both physical and virtual Redhat Linux servers using satellite servers
- Leveraged automation tools with Ansible, and Terraform for system reliability and performance
- Architect and implement AWS Cloud base solution for systems and applications
- Implement IaC for EC2, Autoscaling, Load balancer, RDS, Automation, Patch management, applying best practices
- Implementing different applications with Docker and kubernetes
- Managed Linux infrastructure, conducted Red Hat Linux Kickstart installations, & participated in project planning and execution
- Architect and implement RedHat IDM(IPA) for authentication and DNS
- Implement DISA STIG and CIS benchmarks for Security and scanning systems for compliance and vulnerabilities for supporting DOD environment clients
- Providing Disaster Recovery solutions
- Automate system configuration with Ansible
- Continuous monitoring with Check_MK solution, Trendmicro
- Creating baseline AMIs using Image builder and packer and patching systems
- Documenting processes, procedures and implementing and configuring Atlassian Suite, Splunk, logstash
- Application scanning using Tenable and Acunetix Vulnerability management
- Deploying applications to different AWS accounts.
Lead Linux System Engineer
Intercontinental Exchange
04.2012 - 02.2021
- Leading team of Engineers, administrators, mentoring and team building guiding them towards high achievements
- Risk identification, creating metrics and monitoring, Performance tuning, low latency, hardening and Linux kernel tuning
- Facilitated towards automation of system build process which resulted in reduction for system build times
- Streamlined RHEL/RedHat OS migration process as well OS patching and security patching and authentication
- Administration of environment running ESX/ESXi Hosts and Virtual Machines
- Implemented DevOps integration to support Infrastructure-as-a-Service and CI/CD
- Managed many infrastructure projects, Datacenter Migration projects and presented architecture project plans to upper management for approval
- Implemented On-Premises Cloud VMWare/ESXi virtual systems in non-production and production environments
- Working with other teams like DBAs, Operations, Development, Network, Datacenter and QA
- Configuring/updating file contexts, roles and policies and monitoring of SELinux
- SELinux Auditing, checking audit reports
- Restoring file contexts etc
- Involved in architectural discussions for DB like Oracle Rac and Exadata resulting in DB performance
- Implementing high availability solutions using Veritas Cluster resulting in high availability
- Performed RAID management and disk management for NAS and SAN
- Experience with AWS Cloud infrastructure concepts – EC2, IAM, S3, VPC, Auto scaling and more for migrating posttrade application to AWS
- Knowledge with Docker and Kubernetes
- Experience with Automation tools like Puppet, Ansible, Foreman, IPDB, Splunk, Docker, Git/BitBucket, Jira/Kanban, Spectrum, Foglight, and Cylance, Terraform, Kubernetes
- Providing on-call support and also assisting team for 24x7 as need arises.
Senior Administrator
New York Stock Exchange(NYSE EURONEXT)
06.2006 - 04.2012
- System administration of Trading floor applications
- Started DBK applications to migrate from HPUX to Redhat linux environment
- Supported during testing, and migration of NMS applications from Tandem to cost saving HPUX platform
- Contributed during architecture and design phase
- Co-ordinated with development, QA and operations during integration and testing of application
- Migrating trading systems to Redhat 5 and configured critical applications with high availability solution using Veritas Cluster Server for local failover and DR failover.
System Administrator
Securities Industry Automation Company (SIAC)
01.2000 - 01.2006
System Administrator
General Electric – Plastics
02.1998 - 01.2000
System Administrator
Serta Inc
07.1997 - 02.1998
Education
BS - Electrical Engineering
Bangalore University
Bangalore Skills
- Cloud Computing
- Design and implementation
- Virtual and Cloud Technologies
- Configuration Management
- Storage Area Networks
- Troubleshooting
- IaC - Cloudformation Template, Terraform, Packer
- Performance and kernel Tuning, hardening, patch management
- Kickstart
- Root Cause Analysis
- Bash Scripting, Knowledge of Python
- Containerization Technologies - Docker and Kubernetes
- Disaster Recovery Planning
- Virtualization ESX/VMWare
- DevOPS - CI/CD - Git, Jenkins, Anisible, Monitoring
Certification
- 2022
CompTIA Linux+, COMPTIA
- 2021
AWS Certified Solutions Architect, AWS
Timeline
Senior Systems Engineer/Architect
M.C. Dean Inc
04.2021 - Current
Lead Linux System Engineer
Intercontinental Exchange
04.2012 - 02.2021
Senior Administrator
New York Stock Exchange(NYSE EURONEXT)
06.2006 - 04.2012
System Administrator
Securities Industry Automation Company (SIAC)
01.2000 - 01.2006
System Administrator
General Electric – Plastics
02.1998 - 01.2000
System Administrator
Serta Inc
07.1997 - 02.1998
BS - Electrical Engineering
Bangalore University
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