Bilal Liaquat
Network Engineer
Karachi, Sindh,SD
Summary
Experienced Network Engineer with a track record in designing, implementing, and managing secure and scalable network infrastructures. Proficient in configuring routers, switches, firewalls, and VPN, with a strong grasp of TCP/IP and routing protocols. Skilled in troubleshooting and optimizing network performance for seamless connectivity and business continuity.
Overview
2025
2025
years of professional experience
8
8
years of post-secondary education
5
5
Certifications
Work History
Resident Engineer at PIA
Jaffer Business System (JBS)
Karachi, Sindh
6 2022 - Current
- Managing and Maintaining organization's infrastructure, including (LAN/WLAN/WAN)
- Implementation and Deployment of new network infrastructure
- Managing Organization Edge Firewalls & Routers
- Cisco/Huawei Switches Configuration (Cisco: 2950, 2960, 3560 || Huawei: S5735)
- Cisco/Huawei Datacenter Switches (Cisco: Nexus 6000 || Huawei: S6720, CE6881)
- Cisco/Huawei Routers (Cisco: 2800, 3800, 3900 || Huawei: AR6120, AR650)
- Firewalls Configuration and Management (Huawei 6600E and Sangfor M4500-F-I)
- Upgradation of Huawei USG6635E & USG6615E Firewall Firmware
- SIRP Integration with Huawei USG Firewall for Security Automation
- WAN Network Migration from EIGRP to OSPF
- Datacenter Containment Designing, Documentation and QR Tagging
- Datacenter Servers Micro-Segmentation
- Coordinating with SOC team to prevent Network Threats
- Integrated Agile Controller with Huawei SD-WAN and Wi-Fi 6 Controller for secure authentication
- Network Configuration Automation using Python Scripting
- Proper Documentation of Existing Infrastructure of LAN & WAN Segments
- Configuration of PVST on LAN Segment as Aggregation Switch as Root Bridge
- Deployed eSight NMS for Active Monitoring and Network Device Central Logs Management.
- LAN IP Restructure & Integrated their sessions on SecureCrt & SuperPutty
- Upgradation of 300+ Cisco Devices iOS
- Troubleshooting and Resolving Day to Day Network & IT Related Issues
Resident Engineer at PIA
Computer Marketing Company (CMC)
Karachi, Sindh
01.2022 - 05.2022
- Deployment of Access/Aggregation Layer Huawei Switches
- Troubleshooting Layer 2 and Layer 3 Issues
- Resolving LAN and EndPoints issues and complains
Education
Masters - Cyber Security
NUST
Karachi 01.2023 - Current
Bachelors - Mechatronics Engineering
PAF-KIET
Karachi 01.2016 - 01.2020
Intermediate - Pre-Engineering
Govt. Superior Science College
Karachi 01.2014 - 01.2015
Matric - Computer Science
Speciss Public School
Karachi 01.2012 - 01.2013
Skills
Configuration of Switches and Routers
IP Addressing (Subnetting / VLSM)
Firewall Configuration (NAT, Security Policies Implementation, VPN, IPSec, HRP)
Switching Protocols (AAA, STP, SNMP, LAG, VTP, VLAN, SVI, DHCP, iStack, VPC)
Network Security Protocols (Port-Security, DHCP-Snooping, Storm-Control)
Layer 3 Protocols (GRE Tunnel, IPsec Tunnel, VRRP, Policy Based Routing)
Network Simulators (Packet Tracer, GNS3, CML, ENSP)
LAN/ Wireless LAN / WAN (Legacy SD-WAN) Management
Routing Protocol (Static Routing, OSPF, EIGRP, BGP)
Monitoring Tools (MRTG, eSight, SolarWind, Nagios, SNMP-Walk)
Network Scripting using (Netmiko / Telnetlib) Libraries
Management of (FortiAuthenticator, Agile, iMasterNCE, eSight, WLAN) Controller
Documentation (Visio Diagrams, Configuration, Subnets, Inventory, Daily Activity / Incident)
Certification
HCIP-Datacom Advanced Routing and Switching
Highlightedprojects
- Implementation of Huawei SD-WAN
- Implementation of Huawei Wifi-6
Universityprojects
- AES-256 bit Encryption/Decryption with Key Generation using Python. [Advance Cryptography]
- Nesses Scanning for Vulnerability Assessment. [Ethical Hacking]
- VULNHUB AI:WEB1 MACHINE EXPLOITATION [Ethical Hacking]
- Exploiting Metasploit Machine [Ethical Hacking]
- Implemented Root CA and Intermediate CA using OpenSSL on Ubuntu. [Network Security]
- Implemented QUIC Protocol on Nginx Web-Server. [Network Security]
- Implemented IPSec Tunnel using StrongSwan. [Network Security]
- Implemented Role-Based Access Control for Web Application [Computer Security]
- Secure Client-Server Communication on HTTPS / SFTP using Python. [Data Communication & Network Security]
- Tools (Wireshark, Nessus, BurpSuite, StrongSwan, OpenSSL, Python, Nginx)
Hobbies
Chess (Great way to unwind, destress and keep the mind sharp)
Timeline
Masters - Cyber Security
NUST
01.2023 - Current
Resident Engineer at PIA
Computer Marketing Company (CMC)
01.2022 - 05.2022
Bachelors - Mechatronics Engineering
PAF-KIET
01.2016 - 01.2020
Intermediate - Pre-Engineering
Govt. Superior Science College
01.2014 - 01.2015
Matric - Computer Science
Speciss Public School
01.2012 - 01.2013
HCIP-Datacom Advanced Routing and Switching
HCIE Routing & Switching Training (JBS)
HCIP Security Training (JBS)
Cyber Security Training (Rewterz)
Huawei SD-WAN Training (Wateen)
Resident Engineer at PIA
Jaffer Business System (JBS)
6 2022 - Current
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