Hunain Haider
Hunain Haider
IT Systems Administrator Infrastructure Specialist Process Automation Engineer Network Operations Specialist
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About Me.

◆ Systems & Network Infrastructure · Karachi, PK · 5+ yrs at scale

IT Systems and Network Infrastructure Specialist based in Karachi, Pakistan, with 5+ years designing secure, observable, and automated operations at scale.

I manage mission-critical infrastructure ensuring 99.9% uptime across multi-branch enterprise setups. Rather than treating routine administration manually, I build custom automation scripts in Python and PowerShell that handle server auditing, routine backups, and cross-department report distribution without human error.

Certified in Enterprise Networking, Security, and Automation. Computer Science graduate from University of Karachi (UBIT). Open to Infrastructure Engineering, Systems Automation, and Remote IT Operations roles where uptime, security, and automation are non-negotiable.

See my Automation & Infrastructure portfolio →

By the Numbers

7+
Years Professional IT
10+
Projects Done
5+
Technologies
4
Certifications

What I'm Doing

SECURITY

Network Security

Configuring enterprise firewalls, VLAN network segmentation, VPN tunnels, and zero-trust access controls to safeguard internal infrastructure from perimeter threats.

INFRASTRUCTURE

Systems & Servers

Deploying and hardening Windows Server & Linux distributions, maintaining Active Directory GPOs, and scaling multi-user branch connectivity seamlessly.

RELIABILITY

Health Monitoring

Maintaining high availability with automated ping/SNMP telemetry, real-time alert triggers via Webhooks, and rapid incident response protocols.

AUTOMATION

Process Automation

Building the tooling that glues operations together — automated routines in Python and PowerShell that eliminate repetitive sysadmin tasks and manual reporting.

Portfolio.

🏆 CERTIFICATIONS
ISO 27001 Certified
Network & Communication Security

Demonstrates knowledge in implementing network security controls, communication protection, and ISO 27001 security standards.

Verify
🏆 CERTIFICATIONS
Linux Terminal Basics
Command Line Fundamentals

Covers core Linux terminal commands, file system navigation, shell operations, and essential CLI workflows for beginners.

Verify
🎖️ BADGES
CCNA: Introduction to Networks
Cisco Networking Academy · Jul 2024

Fundamental architectures, IP addressing (IPv4/IPv6), Ethernet operations, media, and protocols foundational to enterprise LANs.

Verify
🎖️ BADGES
CCNA: Switching, Routing & Wireless
Cisco Networking Academy · Aug 2024

Configuration of VLANs, WLANs, inter-VLAN routing, STP, EtherChannel, DHCPv4/v6, and first-hop redundancy protocols.

Verify
🎖️ BADGES
CCNA: Enterprise Networking & Security
Cisco Networking Academy · Sep 2024

Scalable OSPF routing, site-to-site VPNs, access control lists (ACLs), network virtualization, QoS, and programmatic network automation.

Verify
🚀 PROJECTS
[Topology: OSPF / VRRP Multi-Branch Mesh]

HA network topology designed with multi-WAN failover, VLAN segmentation, and perimeter firewall security rules.

Resume.

◆ Experience

Network Administrator

JMS Trading Co. — Karachi, Pakistan (Promoted)
Karachi, Pakistan·Jan 2020 — Present·6+ yrs 9 mo
  • Directing enterprise LAN/WAN infrastructure, core routers, switches, multi-branch site connectivity, and VPN tunnels to maintain 99.9% uptime for daily business operations.
  • Managing and hardening Linux-based production servers (Ubuntu, Red Hat, Fedora), Active Directory group policies, VM environments, and permission access controls.
  • Building automated automation scripts in Python and PowerShell for scheduled attendance aggregation, log audits, and zero-error routine server backups.
  • Managing corporate CCTV surveillance infrastructure: camera rollouts, DVR/NVR network configuration, remote monitoring, and firmware maintenance.
LinuxUbuntuRed HatLAN/WANTCP/IPVPNPowerShellPython

IT Specialist

JMS Trading Co. — Karachi, Pakistan
Karachi, Pakistan·Jul 2017 — Dec 2019·2 yrs 6 mo
  • Provided comprehensive day-to-day technical operations support to all employees for desktop OS, software tools, printers, and internal LAN connectivity.
  • Handled structured network cabling, rack terminations, switch port provisioning, and routine endpoint hardware troubleshooting.
  • Installed, configured, and maintained on-premise CCTV cameras and recording servers ensuring zero blind spots.
IT SupportHardware AssemblyNetwork CablingCCTV
◆ Education
3 entries

University of Karachi — UBIT

Bachelor of Science in Computer Science (BSCS)
2018 — 2022FORMAL DEGREEKarachi, Pakistan

Cisco Networking Academy

Enterprise Networking, Security, and Automation (CCNA Enterprise)
CertifiedCOURSES

Udemy — Security Certification

Information Security Management System (ISMS ISO/IEC 27001 Foundation)
CertifiedCOURSES
◆ Core Competencies
PLATFORM & SYSTEMS
Linux Administration
Adv
Windows Server & AD
Adv
Virtual Machines
Adv
NETWORKING & SECURITY
LAN/WAN & Routing
Adv
VPN & Firewall Policy
Adv
Access Control & GPO
Adv
OPERATIONS & DISCIPLINE
Root Cause Analysis
Adv
Process Automation
Adv
Incident Resolution
Adv
◆ Tools & Technologies
SYSTEMS & INFRASTRUCTURE
Linux Adv Ubuntu Server Adv Red Hat / Fedora Adv Windows Server Adv Active Directory Adv
NETWORKING & ROUTING
TCP/IP & Subnetting Adv VLAN Segmentation Adv DNS & DHCP Adv Firewalls & NAT Adv
AUTOMATION & SCRIPTING
PowerShell Scripts Adv Python Admin Daemons Adv Bash Shell Adv
CCTV & SURVEILLANCE
CCTV Surveillance Adv DVR / NVR Management Adv SNMP Telemetry Adv

Blog.

BY YEAR
TOPICS
18
SEP
Azure Linux OS Guard Banner

Next-Gen Container Security: Deep Dive into Azure Linux OS Guard and Pod Sandboxing

In the era of cloud-native computing and AI workloads, infrastructure security has become paramount. Minimizing attack surfaces across Kubernetes...

8 min read EN · Read Article →
#Azure#Linux#Security#Kubernetes
05
AUG
Azure Linux OS Guard Banner

Linux Server Security: Initial Hardening for Ubuntu 24.04 LTS

Essential first steps to secure a new Linux server on Ubuntu 24.04 — create a sudo user, harden SSH with Ed25519 keys, configure UFW firewall, and install Fail2ban...

5 min read EN · Read Article →
#Linux#Security#DevOps
15
JUL
Azure Linux OS Guard Banner

The Evolution of Network Administration: Skills, Technologies, and Career Opportunities in the Modern IT Era

Network administration has changed significantly over the past few decades. In the early days of enterprise IT, network administrators primarily focused on maintaining...

11 min read EN · Read Article →
#Network Administration#Troubleshooting#Cloud Networking
08
JUN
Azure Linux OS Guard Banner

Connected Cars Are Sharing Your Data: What a New Study Reveals

Modern connected vehicles can communicate with manufacturers, analytics platforms, advertisers and other third-party services. New research offers a closer look at how that digital ecosystem works....

10 min read EN · Read Article →
#Automotive Technology#Cybersecurity#Data Tracking
21
JAN
Azure Linux OS Guard Banner

Don't rush to install that "free movie" device think twice!

Trading freebies for your privacy? These devices use your home internet as a proxy network.....

07 min read EN · Read Article →
#Malware#Cybersecurity
10
AUG
Azure Linux OS Guard Banner

How Important Is AI in Today’s World?

Artificial Intelligence is changing how people work, learn, communicate, and solve problems. From IT and software development to business, education, marketing....

5 min read EN · Read Article →
#Artificial Intelligence#AI Tools#Human + AI
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Contact.

Have a project in mind or just want to say hi? Fill out the form below.

AVAILABLE FOR PROJECTS

Let's collaborate

Karachi, PK
FIND ME ON
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