Lotfi O., Senior VAS Engineer

Lotfi O.

Senior VAS Engineer

Opencode Systems

Location
Tunisia - Tunis
Education
Master's degree, Télécom
Experience
13 years, 9 Months

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Work Experience

Total years of experience :13 years, 9 Months

Senior VAS Engineer at Opencode Systems
  • Tunisia - Tunis
  • My current job since September 2013

Live support, change requests, customer technical follow-up,
Installation, integration, testing, commissioning and live activation of Opencode solutions,
System monitoring, heath-care, preventive maintenance, training,
Edit technical documentation,
Work internally with project and product managers and teams,
Integrate Opencode solutions with operators Core Network ( MSC/VLR, HLR ),
Integrate Company solutions with operators IN, SMSC and other third party applications.
Solutions: USSD Center, Call Control, Service Creation Environment, SS7 signaling gateways, Media gateway, Diameter gateway, DB connector, HTTP connector, IN connectors, SMPP connector.
Technical Environments : HP servers and storage, RHEL 5.8, MySQL, VAS, USSD, SS7, LAN, Dialogic.

Systems Engineer at 3S
  • Tunisia
  • September 2011 to September 2013

Since September 2011
Confidential Tunis

Systems Engineer
Tivoli Storage Manager Responsibilities: • Perform Tivoli Storage Manager (TSM) engineering in Windows, UNIX and Linux
environments,
• Perform backup storage assessments, system design, performance analysis, capacity
planning, and disaster recovery planning,
• Troubleshoot Missed and Failed backup and do a thorough analysis for repeated failures,
• Configure and manage backup tape library units and disk based backup targets,
• Installing, upgrading, and patching backup server and clients,
• Perform Problem / Change Management,
• Provide Level 2 and Level 3 support of TSM environment,
• Provide knowledge transfer workshops around TSM technologies to clients,
• Edit technical documentation.

Storage Tasks: • Install and configure Dell PowerVault MD Arrays,
• Configure Brocade storage area network (SAN) switching fabric products,
• Provide knowledge transfer workshops around key SAN technologies to clients.
• Provide Level 2 support of installed products.

VMware Tasks: • Install, configure and manage VMware vSphere clusters and related features (vMotion,
HA, FT, DRS, vStorage, VLAN),
• Participate in capacity planning for the infrastructure,
• Provide tools and procedures for resources provisioning,
• Document the process and procedures,
• Participate in capacity planning, performance monitoring and maintenance to ensure
high availability,
• Validation of architecture, design and implementation,
• Provide Level 2 support of the VMware environment.

Linux Tasks: • Install, configure and manage Linux servers ( SLES 10/11, RHEL 5/6),
• Assist in building deployment strategies for Confidential cloud environment,
• Assist in increasing automation of builds and deployments for GlobalNet Hosting team,
• Document processes, policies and procedures.

R&D Engineer at Télécom SudParis/ANR
  • France
  • March 2010 to March 2011

6 months / 2010-2011
Télécom SudParis/ANR IDF - France

Ingénieur R&D C/C++/Linux
R&D Engineer
Design and implementation of an mSCTP based mechanism for vertical handover between heterogeneous networks (802.11, UMTS):
Realization: Implementation of Seamless/mSCTP version 2
Integration of Seamless/mSCTP on SeamlessTalk application.

Technical Environments

Education

Master's degree, Télécom
  • at Higher School of Communications of Tunis (Sup'Com)
  • September 2010

Specialties & Skills

Telecom Protocols
Windows Server
Storage Management

Languages

Arabic
Expert
English
Expert
French
Expert

Training and Certifications

VMware vSphere: Install, Configure, Manage [ V5.0 ] (Training)
Training Institute:
Technical Training
Date Attended:
June 2012
SUSE Linux Enterprise Server 11 Administration (Training)
Training Institute:
Technical Training
Date Attended:
March 2013
Tivoli Storage Manager V6.2 Implementaion (Training)
Training Institute:
Technical Training
Date Attended:
January 2012
SUSE Linux Enterprise Server 11 Fundamentals (Training)
Training Institute:
Technical Training
Date Attended:
February 2013
Interconnecting Cisco Networking Devices Part 2 (Training)
Training Institute:
Technical Training
Date Attended:
April 2012
Interconnecting Cisco Networking Devices Part 1 (Training)
Training Institute:
Technical Training
Date Attended:
April 2012