Aju Kalarickal

Engineer at the Intersection of Network and Systems | Leveraging Data for Superior Performance

Role
Sr Systems Engineer at Comcast
Location
Fairfax, VA, US
LinkedIn followers
500 followers
Information TechnologyView LinkedIn profile

About Aju Kalarickal

I have a good understanding of Linux Operating System including the networking stack.KEY KNOWLEDGE AREAS : Linux Operating System, TCP/IP, KVM/Libvirt, LXC/LXD, Dynamic Routing, SDN Concepts, Microservices Arch, Overlay Protocols, Open vSwitch & OpenFlow, Data Center Networking, IPV6, Performance Analysis and Load Balancing concepts.

Experience

  1. Sr Systems Engineer

    Comcast

    Jan 2010 — Present · Reston, VA, US

    OpenStack Cloud (2014- Present): • Responsible for deploying and maintaining OpenStack private cloud countrywide. • Establish tight alignment with Development Architects and representing Cloud Operations with various internal teams. • Researching and creating POCs on various network virtualization solution(SDN) such as Contrail, OVN and OpenDaylight. • Assisting various NFV team to optimize OpenStack including the use NUMA placement optimizations, vCPU placement, nic acceleration technologies (SR-IOV, DPDK) • Assisted the team in containerizing OpenStack control plane following microservices based architecture.Comcast DNS Infrastructure (2012 – 2014): • Responsible for the entire Comcast DNS infrastructure (both caching and authoritative servers.) • Perform RCA for all DNSSEC and Anycast related issues. • Played a key role in converting a master-slave DDNS architecture to multi-master architecture. • Outage management, troubleshooting and resolution based on a data-driven approach.Comcast Xfinity Home (20••••12): • Evaluated various architectural solutions, implementation and vendors for Comcast’s Xfinity Home • Deployed, maintained and performed upgrades on the first Xfinity Home environments at Comcast.

Education

  • Periyar University

    Bachelor of Engineering (B.E.), Computer Science

    2000 — 2004

Skills

  • Internet Protocol Suite (Tcp/Ip)
  • Switches
  • Network Security
  • Unix
  • Virtualization
  • Routers
  • Network Design
  • Operating Systems
  • Linux
  • Dnssec
  • Data Center
  • Domain Name System (Dns)
  • Tcp/Ip
  • Ip
  • Ipv6
  • Load Balancing
  • Dhcp
  • Network Architecture
  • Internet Protocol (Ip)
  • Network Virtualization
  • Cloud Computing
  • Solaris
  • Dns
  • Routing
  • Cisco Ios

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Aju Kalarickal — Sr Systems Engineer at Comcast in Fairfax, VA, US | Unifers