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Professional Experience
System Security Administrator and Integrator
IKS, Islamabad, Pakistan
Feb 2008 – Present
* Vehicle Access Management Application development with RFID Hardware Integration using VB.NET and MySQL
* Integration of open source technologies to implement enterprise solution with security for efficient usage in different organization.
* Supervising Software Development team for changes in open source technologies according to the organizational need while integration.
* System administrator for Linux systems.
* Manage Host, network, firewall security and intrusion detection; Host hardening; Advanced Linux kernel security models.
* Responsible for researching, configuring and deploying new software programs.
* Working closely with other staff, such as project managers, graphic artists, systems analysts, Sales and marketing professionals.
* Training Project Management Team for deployment of project and troubleshooting.
* Installed and setup Web servers, program and write HTML documents. Identified security problems and implement fixes.
* Implemented 24x7 Public key infrastructure (PKI) EJBCA servers with OCSP responder.
* Prepared multiple test instances and deploy Secured Web Based Video Conferencing to communication between several site offices.
* Re-created several production web- and application servers in order to set these up at another location.
* Epanded network capabilities and hardware availability by utilizing Xen virtual servers in the datacenter to combine essential services on lower-utilization servers to isolated, highly-specific system installations, thereby freeing up dedicated machines for more resource-intensive applications.
* Analyzing TCP/IP traffic using tcpdump and ethereal (wire shark) to identify all network traffic on certain servers and afterwards replace these servers.
Bin Dawood Super Stores, Saudi Arabia
Sep 2005 – Feb 2008
* Regional IT In charge and System Engineer for Linux and Unix and POS (IBM & NCR) systems in highly critical 24/7 environments
* Provided technical assistance into more than 16 Companies staff and Super/Hyper Market Point of Sales Machines, Weighing Scale, Barcode Printers, assisting with network access, printing, and application software operation.
* Assisted IT Coordinator with administration of a network of more than 1000 users, spanning several other City Offices.
* Physically and remotely configured, troubleshot, and administered users, laptops, tablet PCs, and blackberry devices for onsite and mobile users.
* Documented, reviewed, and updated problem resolution scenarios on share point portal reducing time spent on resolving same or similar issues quicker and more efficiently.
* Actively tracked and followed up on trouble tickets, reducing average response time from 3 days to 15 hours.
* Managing all Inventories Related IT Issues and also Maintain the Intermec PDA's /PDT's
* Coordinate with Vendors for out Door Wireless Antenna Installation to communicate the Hyper/Super Markets from whole the Kingdom to the Head Office.
* Installing & Troubleshooting Wireless Network (WiFi), Wireless Router, Access point (3Com Products)
* Network and POS Deployment Plans for new Hyper and Super Markets.
Education
Bahria University, Karachi, Pakistan
Bachelor of Software Engineering
Sep-2001 - Sep-2005
Computer Trainings & Certifications
RHCE Red Hat Certified Engineer (RHCE, Red Hat Enterprise Linux 5)
Serial Number: 805008778335668
RH253 Red Hat Networking and Security Administration
RH133 Red Hat System Administration
RH033 Red Hat Linux Essentials
IBM 4690 IBM POS OS 4690 with Super Market Application Training
SBM (Saudi Business Machine), Saudi Arabia
NCR AS@R Advance Store Retail Management POS Server and Application Support Training
RBS (NCR Partner in Saudi Arabia)
Computer Skills
Network management and monitoring
º SNMP and Nmap, PGP, wireshark, Zabix, etc
Systems Security Software
º Firewalls, Intrusion Detection Systems,
TrendMicro Antivirus Server, Iptables, Tcp wrappers, SELinux, OpenSSH, Tcpdum, Ethereal,
OpenSSL, IPsec, Spamassassin, ClamAV server-
side antivirus
Internet Software/Servers
ºApache Web Server, JBOSS Server, Squid Proxy
Server
º Postfix, Sendmail, Postfix, Exim, Cyrus
º DNS (Linux/Unix Bind, Windows DNS)
º IMAP, IMAPS, POP, POP3, SASL
ºOpen LDAP
º PKI (EJBCA) Server
Other Services/Software
º MySQL, Postgres,
º NIS, automount, Samba, Amanda, NetBackup
º VMware Enterprise Environment 2x and 3x
º Microsoft IIS, SQL Server, Active Directory
º Vim, Vi, nano,
º winscp, putty
º Package management apt, aptitude, yum, rpm, FreeBSD make
º Microsoft Outlook, Word, Excel, Access, Visio, Project
º Adobe Acrobat, Photoshop, Illustrator
º PC Anywhere, VNC,
º MS. Front Page, Adobe PhotoShop, Adobe
Illustrator, 3D studio Max, Particle illusion, Micro
Media Director
Programming
º basic C, C++
º Shell (bash, sh, DOS)
º HTML, XHTML
º VB.Net
º MySql
Retail Application
º JDA ERP support
º IBM Super Market Applciation
º NCR GM Server and AS@R Application.
Operating Systems
º Linux
Red Hat Enterprise Linux, SuSE Enterprise - Novell, Debian, Fedora, CentOS, Ubuntu, Gentoo, etc
º Microsoft Windows
NT, 2000, XP, Vista, Advanced Server
º DOS
º FreeBSD, BSD
º Solaris (Sun Microsystems)
º IBM 4690
º Cisco IOS (for Cisco network appliances)
Hardware
º Servers of all kinds web servers, network storage servers, clusters (mainly Linux load balancers), mail servers, database servers, print servers, X86 32bit and 64 bit architectures – Intel, AMD, IBM iSeries (AS400), Sun
º NCR POS, 7456, 7457, old Falcon POS
º IBM Sure POS 700 Serires
º Monarch Barcode Printers, Shelflabel Printers,
Electronic weighing scales
º Network appliances
Bridges, 3Com Mangeable switches, Linksys, D-Link, Netgear, 3Com, many others
º 3Com VOIP
º PDT's / PDA
º Ethernet, Token Ring, cabling
º Hard disk recovery, data recovery
º RAID
º Desktop and notebook PC hardware
º Wireless Networks
TCP/IP Protocols
º DNS, SMTP, HTTP, HTTPS, SSH, NFS, SMB,
SSL/TLS, DHCP/BOOTP, POP, IMAP, FTP,
TFTP, SNMP. RTMPS
Encryption Algorithms and Systems
ºOpenSSL, Stongswan, PGP/GnuPG, SSL/TLS,
RSA, DES,ECDSA, EJBCA, Smart Cards, PKI
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