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Usman Malik
Works at Gemalto
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Certified UNIX / Linux | System Administrator | DevOps | Virtualization | Cloud | Security Specialist and Trainer

Experienced IT professional with expertise in Linux / Unix Based environments, networking, security and TCP/IP on both Linux and Windows. Outstanding customer service skills resolving technical issues and educating end-users. Team player making significant contributions to team and individual success. IT Trainer on Linux / Unix providing hands on training to corporates and professionals, Moreover can manage and was running Gaming Zones, Internet Cafe's and Enterprise Level Networks (WAN,LAN,MAN).

Linux / Unix Expert, Network Engineer, Virtualization, Cloud Computing, Data Center Infrastructure and Planning, IT Infrastructure, Planning and implementation, System Administration, Network Administration, Data Center Technical Specialist.

Open source Operating Systems and Applications. Incl. Novell SUSE, SLES, SLED, Ubuntu Server & Desktop, CentOS, Red Hat, Debian, Fedora, LAN, WLAN, Wireless Routers, Ethical Hacking, Enterprise Level Security, Complex IT Infrastructure, Routing and Switching, HTML, CSS, PHP, MYSQL, Content Management Systems (CMS) and Portals, Complete Internet Cafe and Gaming Zone Infrastructure, Implementing, Configuring and Designing Operating Systems in VMware, Troubleshooting all Windows, Linux, Unix, Network Security, Firewalls

Linux / UNIX servers which include Apache HTTPD, Lighttpd, Nginx, MySQL, PHP, cPanel, Vista Panel, Easy Hosting Control Panel (EHCP), Apache Tomcat, JAVA, Clustering, Cloud Computing softwares, Virtualization (OpenVZ, XEN and KVM), Gateway, Linux Firewalls Rules, WAN Failover, Load Balancing, Traffic Shaping (Bandwidth Limiting), OpenVPN, PPPOE Server.

Bulk Email Marketing and Bulk Email SMTP Tuning and Optimization

Wireless Access Points, Sector Antennas, Omni Antennas, WiFi on large scale and Point-to-Point Connectivity.
PFSense (FreeBSD based) Linux Gateway, Smoothwall, Monowall, Zentyal , ClearOS, Complete Web Based GUI and CLI Access Virtualization (XEN and KVM Hypervisors) on Proxmox VE

Specialties Linux Expert, Network Engineer, System Administrator, Data Center Expert, Open source Operating Systems and Applications. Incl Novell SUSE,SLES,SLED,Ubuntu, CentOS, Redhat, FreeBSD / Unix, Debian, Fedora, PFsense, LAN, WLAN, Wireless Routers, Ethical Hacking, Enterprise Level Security,Complex IT Infrastructure

- Certified Linux Professional (Novell CLP)
- Certified Linux Administrator (Novell CLA)
- Certified Data Center Advanced Technical Specialist
- Certified Data Center Technical Specialist

My Certifications / Trainings

  • Cisco Certified Network Associate (Training)
    • CTTC (Pvt.) Ltd
    • 2007
  • Red Hat Certified Engineer (RHCE) - Training
    • Techno-ed (Pvt.) Ltd
    • 2008
  • Linux System Administration 1 & 2 (LSA)
    • CTTC (Pvt.) Ltd
    • 2005
  • Certified Linux Professional (NOVELL CLP)
    • Novell
    • License 10148700
    • June 2011
  • Certified Linux Administrator (NOVELL CLA)
    • Novell
    • License 10148700
    • June 2011
  • Certified Data Center Advanced Technical Specialist
    • Novell
    • License 10148700
    • June 2011
  • Certified Data Center Technical Specialist
    • Novell
    • License 10148700
    • June 2011
Basic Information
Other names
Consultancy , Trainer, Business, Freelancer
Linux, Unix, System Administration, Networks, Network Security, Systems Security, Penetration Testing, Consultant, Cloud Expert, Virtualization Expert, Saas Expert
  • Gemalto
    SaaS Production Engineer / Integrator L2, 2014 - present
  • Arpatech
    Senior System Administrator, 2012 - 2014
  • HS Euro Ltd (Rapid Solutions UK)
    Linux / UNIX / IT Consultant & Manager Operations, 2011 - 2012
  • Aazam College of Technology
    Senior Linux (Novell SUSE,RedHat) Trainer, 2010 - 2012
  • Cafe De Net
    Network / System Administrator, 2006 - 2008
Contact Information