Zubair Shaik

Experience

• 

  Cisco

  Oct 2009 - Oct 2014

  Job Responsibilities (In addition to previous job responsibilities)++ Take Technical Interviews and Recruit Experienced folks for Cisco TAC Security. ++ Train and Mentor them in Technologies such as VPN and AAA to be able to handle SR's and deliver to customers seamlessly.++ Train the New Hires on Process, Policies and Procedures needed to be followed in Cisco TAC in order to maintain ISO 14000 and TL9000 certification of Cisco TAC. Policies and procedures of Documentation and Communication of issues. ++ Build Technical Expertise in New and More Complex Technologies and Solutions that are introduced by Cisco. Build and Complete Labs related to the New Technologies and Train the Remaining Team on those technologies by handing over the Lab setup.++ Completed CCIE Security in May 2012. ++ Build Expertise in Identity Services Engine, BYOD Deployments and all AAA related Cisco Products and Solutions. ++ Currently the Single Point of Contact for any Hot and Escalated issues in AAA Technology Domain in Asia Pacific Region. Integrate with Customer's Cisco Accounts Team and the Business Unit to Bypass the Normal Procedures and Provide a workaround for a Business Impacting issue with the help of inputs from the BU while maintaining Customer Sentiment. Worked on Multiple Hot and Escalated issues do far. ++ Integrate with Cisco Sales and Advance Services Team Globally to help them execute Customer Proof of Concept and Initial Deployments and hence close deals with Customers.++ Engage in Business Unit's Customer Experience Review Meetings to give inputs to BU on how a Cisco Product or Solution can be enhanced for a better Customer experience. Work towards continuously enhancing the Quality of Product by providing the customers feedback to the BU.++ Engage In Early Field Trials for Beta Customers. Show less ++ Started as a Trainee in October 2009 in Cisco TAC (Technical Assistance Center) Network Security as a Backbone Engineer.Day to Day work=============++ Take Ownership of Service Requests Opened by Cisco Customers and work towards resolution of Problem or Request generated from Cisco Customer in timely fashion without hurting the customer sentiment.++ A complex issue would call for simulating the customer environment in the Huge Lab available in-house for TAC. Once issue is simulated we get in touch with the concerned Business Unit. File a Defect for deviation in behavior and drive that to resolution with the help of business unit. This involves Testing of the New Fixed Code on the same Simulated Lab setup. Technologies and Products Covered=============================++ Firewall :---------------- Cisco's Flagship (Adaptive Security Appliances) ASA Firewalls. Natting and Layer 3/4 Access Liimiting. Application Layer Deep Packet Inspection. Understanding TCP/IP Flows through the firewall including Protocols such as HTTP, Telnet, FTP, SMTP, SNMP, ICMP, DHCP, DNS etc and analyzing Packet Captures for these protocols across the firewall. Cisco Firewall Services Module (FWSM) Currently Replaced by ASA-SM which goes into Cisco 6500 Series Switches.++ VPN =======-- Handling IPSEC VPN's and SSL VPN's on Cisco Products like ASA and IOS Routers.-- Site to Site Tunnels using IPSEC and Remote access VPN using Ipsec and SSL (Anyconnect VPN).-- Easy VPN's with Hardware Clients. ++ AAA =======-- Support ACS 4.x, Cisco Flagship Radius and Tacacs+ Authentication Server. -- Configure and Troubleshoot AAA Issues on any Cisco Devices including Router, Switches, Nexus, ACE Load balancer etc. -- Build Expertise in configuring Microsoft Radius servers like IAS and NPS. -- Configure 802.1x with wired and wireless on Switches and WLC and integrate with Cisco ACS 4.x. -- Provided Minor Support for ACS 5.x that was Introduced then.-- LDAP and RSA integration Show less

  • Engineer, Technical Services

    Oct 2011 - Oct 2014

  • Engineer, Customer Support

    Oct 2009 - Oct 2011
• 

  Google

  Nov 2014 - now

  Worked as a Site Reliability Engineer in Backbone Network SRE team.Primary vision as a Network Site Reliability Engineer is to make the network reliable for all Google users and cloud customers.I am designing and implementing software engineering solutions to monitor and fix network health in an automated way. This involves identifying SLI's, measuring them and defining SLOs based on SLIs. Language of choice is golang and python.In addition I am in the SME oncall rotation for the backbone network. + When oncall I identify issues with the network based on our monitoring. + Mitigate 1st followed by root cause and permanent fix. + Complete postmortems on major outages and identify owners of AI. Show less Worked in Core Backbone Network Engineering team for 1.5 years.Key Projects+ Design and Implementation of Google Billing Network (As per PCI-DSS compliance)+ Design and Implementation of Google Certificate Authority Network (As per webtrust compliance)+ Automate Config generation of all network devices in above 2 projects.+ Network Build and Capacity add.+ Sustaining engineering - Identifying systemic issues, generating fix and push to whole fleet.This was a high impact role with direct quantifiable impact. Primary goal here was to build a robust and sustainable network for Google users and cloud customers. Show less Site Reliability Engineering (SRE) was a mindset shift from managing network operations manually to using SRE principles in managing Google's global production network.Primary objectives-- Improve monitoring (BlackBox vs. Whitebox monitoring).-- Use SLIs and SLOs to define the severity of an incident.-- Design and implement automation to handle the repetitive tasks (toil) done manually.-- Measure the performance of systems, and iterate the process for improved performance.-- Be involved in postmortems to identify root causes of outages and identify action items to avoid the outages in future.-- Own the action items, implement and rollout fixes in a safe and tested mechanism.-- Consult with development teams for the operational readiness of new features/products. Show less Google runs one of biggest production network in the world. As Network Engineer in operations team it is a primary goal to keep the Google network up and healthy so that Google services are reachable and accessible by all its users and customers.Key Tasks-- Support and maintain the global production network.-- Manage network changes and minimize service impacts.-- Provide operational consulting and guidance for New product introductions.-- Sustaining Engineer - identifying fleetwide or vendor related systemic issues, troubleshooting and identifying fix, rolling out the fix with minimal impact to the network.-- Interfacing with network device vendors to improve the operational health of the network. Show less

  • Technical Program Manager, Core Infra & Capacity Planning

    Jan 2023 - now

  • Manager, Network Delivery (Middle East & Africa)

    May 2022 - Jan 2023

  • Lead Network Implementation Engineer (Middle-East Region)

    Dec 2020 - May 2022

  • Site Reliability Engineer (Backbone Network)

    Jul 2018 - Dec 2020

  • Network Engineer (Design & Implementation)

    Jan 2017 - Jun 2018

  • Site Reliability Engineer (Network)

    Apr 2016 - Dec 2016

  • Network Engineer (Operations)

    Nov 2014 - Mar 2016