Tel: +1-919-***-**** http://khalfella.blogspot.com acxgdh@r.postjobfree.com

Mohamed A. Khalfella

Date of birth: 19 March 1983

Objective Statement

I am seeking a competitive and challenging environment where I can serve your organization and establish an enjoyable career for myself.

Technical Profile

Diverse experience in managing SUN servers running Solaris 9, 10, and 11.

Great experience in Symantec Veritas products.

Great experience in SAN environments (SUN and EMC).

Great experience in Oracle databases and Exadata. Courses

SmartOS (illumos) Internals. Joyent Training Services.

Kernel Crash Analysis and Debugging. Joyent Training Services.

ZFS Internals. Joyent Training Services.

Education and Certification

1999 to 2004 Bachelor's Honor Degree in Civil Engineering Faculty of Engineering, University of Khartoum, Sudan 2006 to 2007 Qualifying Study for MSc. in Computer Science Faculty of Mathematical Sciences, University of Khartoum, Sudan 2007 to 2008

Master in Computer Science

Faculty of Mathematical Sciences, University of Khartoum, Sudan 2009 to 2011

Master of Business Administration (MBA)

Faculty of Managerial Sciences, University of Khartoum, Sudan Professional Certifications

Red Hat Certified System Administrator RHCSA EX200

Oracle Solaris 10 System Administrator SCSA 1Z0-877

Oracle Solaris 10 System Administrator SCSA 1Z0-878

Cisco Certified Network Administrator CCNA-RS 640-802

Oracle Certified Associate 10g DBA OCA 1Z0-042

Oracle Certified Professional 10g DBA OCP 1Z0-043

Oracle Certified Professional 11g DBA OCP 1Z0-050

Oracle Certified Performance Tuning Expert 11g 1Z0-054

Oracle Certified Expert, Oracle Real Application Clusters 11g and Grid Infrastructure Administrator 1Z0-058

Tel: +1-919-***-**** http://khalfella.blogspot.com acxgdh@r.postjobfree.com Work Experience

ITS(International Turnkey Systems) 1st Jan,2009 - 1st Jun,2010 Customer Service Engineer (SYSTEM ADMINISTRATOR)

Handling UNIX administration and (software/hardware) support for ITS customers.

Solaris 9/10 installation, configuration, patching and troubleshooting.

Veritas Cluster, VxVM, CVM, VxFS, VCFS, ODM, Netbackup, and Oracle DB integration.

Solaris security, ipfilter, RBAC, and auditing.

Sun Cluster, installation, administration, and troubleshooting.

Shell scripting, Awk, Perl.

DTrace for troubleshooting and performance analysis.

MDB for deep investigation and postmortem analysis.

Redhat Enterprise Linux installation, configuration, upgrades, and troubleshooting. ITS(International Turnkey Systems) 2nd Jun,2010 - 1st Aug,2011 Customer Service Engineer (EMC Storage Administrator)

EMC DMX,VMax, and Clariion administration and host integration (Solaris, Linux, and MS Windows).

EMC DataDomain, EMC Disk Library and Physical Tape Library installation and troubleshooting.

SymWin/SymCli/Navisphere for operations and administration tasks.

EMC Networker configuration and administration.

EMC NMO/NMDA for Oracle RMAN integration.

ITS(International Turnkey Systems) 2nd Aug,2011 – 20th Jun 2013 Customer Service Engineer (Oracle Database Administrator)

Oracle 10/11g DB installation and administration.

Oracle 10/11g RAC installation and administration.

Oracle DataGuard configuration and administration.

Oracle performance analysis, wait events, session tracing, and SQL tuning.

RMAN for backup and restore, MML integration.

Ericsson Iraq (Managed Services for Zain Iraq) 22nd Jun,2013 – Present System Administrators Team Leader

System administration:

Installing and configuring servers for Zain Iraq (Unix, Linux, and Windows).

Administering Zain Iraq billing, data warehouse, reporting, and test systems.

Consolidating existing server infrastructure (Solaris Zones, VMware).

Administering directory service to enforce organization policy (MS AD).

Writing shell/perl/python scripts to automate the system administration tasks.

Writing in-house systems and tools in C and Go to support billing and charging systems.

Providing REST API for third party consumers and monitoring systems. Tel: +1-919-***-**** http://khalfella.blogspot.com acxgdh@r.postjobfree.com Storage and backup administration:

Administering SAN, NAS, CAS, VTL, and TL solutions. (EMC VMax, Celera, Centera, DataDomain).

Utilizing different storage tiers to achieve proper ILM. (EMC CTA).

Using storage snapshots to refresh reporting/development/test environments (EMC TimeFinder).

Provisioning and reclaiming storage to/from systems as the need arises. (PowerPath, VxVM, CVM).

Configuring and administering Backups (EMC Networker, Symantec NetBackup). In-House Developed Systems:

Developed a system to compress and classify CDR files. It ran multi-threads to cut runtime [Shell Script, C].

Developed a monitoring system the exposed application state in REST interface [Go].

Developed a tool (mtar) to extract TAR archives in parallel utilizing multiple threads [C]. Open Source Contributions

illumos

Several contributions to illumos-gate

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