Summary
Overview
Work History
Education
Certification
Timeline
Generic
Saif Khan

Saif Khan

Mira Road East

Summary

Dynamic and detail-oriented IP Network Engineer with over 10 years of expertise in troubleshooting, implementing, and managing complex networking infrastructures within ISP and Data Center environments. Proficient in end-to-end network management, including routing, switching, firewall configurations, VPNs, and network performance optimization. Adept at troubleshooting complex network issues, ensuring high availability, and enhancing network security and scalability. Extensive experience with industry-standard networking protocols (BGP, OSPF, MPLS, IS-IS etc).

Overview

11
11
years of professional experience
1
1
Certification

Work History

Senior Security and Network Engineer

Swiss Design Limited
02.2024 - Current
  • Led network migration efforts for moving critical infrastructure from legacy data centers to a new, high-performance facility, ensuring minimal downtime and seamless service continuity.
  • Designed and implemented network architecture for the new data center, including routing, switching, and load balancing solutions to support mission-critical applications.
  • Coordinated with cross-functional teams (server, storage, and security engineers) to align network infrastructure with server migrations, ensuring optimal performance and security.
  • Configured and tested MPLS and VPN solutions to ensure secure and reliable connectivity between the new data center and remote sites, improving overall network resilience.
  • Performed risk assessments and developed contingency plans, ensuring business continuity during the migration process and minimizing disruptions to end users.
  • Monitored network performance throughout the migration, troubleshooting and resolving issues in real-time to avoid delays and maintain service levels.
  • Upgraded and optimized network infrastructure within the data center, replacing legacy equipment with modern switches, routers, and firewalls, resulting increase in network throughput.

Network Specialist

Aptum Technologies
04.2021 - 02.2024
  • Configured and managed core and edge routers, switches, and firewalls (Cisco, Juniper) to provide secure and high-performance connectivity within the data center and to remote sites.
  • Implemented and managed Layer 3 routing protocols (IS-IS, BGP, MPLS) for efficient traffic routing, ensuring optimal data flow between data centers, remote offices, and cloud services.
  • Collaborated with cross-functional teams (storage, virtualization, and security engineers) to integrate network infrastructure with server, storage, and application deployments.
  • Perform network configuration changes and updates according to change management procedures.
  • Collaborate with other teams to implement network upgrades, migrations, and expansions.
  • Designed and deployed load balancing solutions to ensure optimal distribution of network traffic, improving application performance and reducing the risk of network bottlenecks.
  • Assisted in the migration of legacy networks to modernized data center environments, including transitioning from traditional VLAN-based architectures to VxLAN based models.
  • Conducted troubleshooting and root cause analysis for network outages, ensuring fast resolution and minimal impact on business operations.

Senior Network Engineer

Reliance JIO Infocom.
08.2020 - 12.2020
  • Documented network diagrams, inventory, and procedures for network maintenance and troubleshooting
  • Successfully handling large ISP network comprising various dynamic protocols such as BGP, MPLS, ISIS, LDP
  • Undertaking measures via auditing the network parameters to streamline the Network
  • Responsible for operational effectiveness of Core Data Networks & traffic engineering
  • Troubleshooting on Enterprise services MPLS VPN, L2VPN, Internet circuits
  • Working on Repeated faults to find RCA and plan of action to mitigate such issues in future related to Network Design or Network Devices.

Senior Network Engineer

Global Cloud Exchange
09.2019 - 08.2020
  • Installed, configured, and maintained network equipment including routers, switches, and firewall
  • Troubleshooting Global customers Network faults and requirement for IPsec / DMVPN / MPLS circuits
  • Coordinating for change request related to H/W version upgrade or device replacement
  • Handling Client raised faults for various issues related to Internet reachability, LAN-to-LAN connectivity issue, random applications such as FUZE, Azure connectivity etc.

IP FM Senior Lead Engineer

Nokia Solutions and Network
10.2018 - 09.2019
  • Monitor and maintain the health, performance, and security of IP networks, ensuring adherence to service level agreements (SLAs) and industry best practices
  • Conduct routine checks and troubleshooting to identify network anomalies, and implement corrective actions to minimize downtime and ensure optimal network performance
  • Collaborate with cross-functional teams to deploy, configure, and upgrade network infrastructure components, including routers, switches, firewalls, and other network devices
  • Perform network capacity planning and analysis to accommodate growth and ensure scalability of network resources
  • Document network configurations, procedures, and troubleshooting steps for knowledge sharing and future reference
  • Participate in on-call rotations to provide 24/7 support for critical network incidents and escalations.

IP-MPLS TAC Engineer

Vodafone India Ltd
09.2015 - 07.2018
  • Successfully handling a large network comprising of various dynamic protocols like OSPF, BGP, MPLS, ISIS, LDP, and RSVP
  • Up-gradation of Juniper/Cisco/Nokia routers and undertaking measures via auditing the network parameters to streamline the Network
  • Troubleshooting MPLS-IP related issue and Documenting network changes
  • Troubleshooting Mobility services such as 4G/3G/2G and Enterprise services such as DIA /MPLS/L2VPN circuits
  • Finding root cause analysis of any kind of Data/Voice network failure in terms of protocol & hardware faults and preparation of RCA.

DSL Line consultant

Convergys Services
09.2013 - 04.2015
  • Part of the team handling the Australian semi-technical Process OPTUS DSL Internet related solutions
  • Assisted in troubleshooting of Service-related issues and lassoing with OPTUS Level 4 Support team to resolve DSL faults
  • Responsible for providing Root Cause Analysis of the Fault in Operational Network
  • Solving Customers queries related to internet connections on DSL, DIAL and wireless modem.

Education

Mumbai University
Mumbai
04-2007

Certification

CCIE SP # 48678

Timeline

Senior Security and Network Engineer

Swiss Design Limited
02.2024 - Current

Network Specialist

Aptum Technologies
04.2021 - 02.2024

Senior Network Engineer

Reliance JIO Infocom.
08.2020 - 12.2020

Senior Network Engineer

Global Cloud Exchange
09.2019 - 08.2020

IP FM Senior Lead Engineer

Nokia Solutions and Network
10.2018 - 09.2019

IP-MPLS TAC Engineer

Vodafone India Ltd
09.2015 - 07.2018

DSL Line consultant

Convergys Services
09.2013 - 04.2015

Mumbai University
Saif Khan