رينر Lopez CCNP CCVP CCSP CCIE-(W) MCSE ITIL, Lead Network Engineer

رينر Lopez CCNP CCVP CCSP CCIE-(W) MCSE ITIL

Lead Network Engineer

Lamprell Energy

البلد
الإمارات العربية المتحدة - الشارقة
التعليم
ماجستير, MBA-IT
الخبرات
28 years, 6 أشهر

مشاركة سيرتي الذاتية

حظر المستخدم


الخبرة العملية

مجموع سنوات الخبرة :28 years, 6 أشهر

Lead Network Engineer في Lamprell Energy
  • الإمارات العربية المتحدة - دبي
  • أشغل هذه الوظيفة منذ سبتمبر 2009

 Responsible for Company’s Network Infrastructure.
 Supervision of Network Infrastructure operations
 Supervision of Junior Network Engineers
 Provide L3 and L4 Support for the Infrastructure
 Designing and Implementing Network infrastructure for the branches
 Administration of LAN, WAN
 Maintenance of IP Telephony and QoS
 Configuration and Management of ASA 5520, 5505, 5510, and Various PIXs and Cisco routers and Switches.
 Implementing high availability on ASA 5520 and Ironport.
 Administration of Riverbed WAN Optimiser, Cyberoam web filter, IronPort mail security, Double Take.
 Implementation and maintenance of MPLS, VPNs, Leased Circuits and MPLS links.

Network Engineer في Dubai Silicon Oasis Authority
  • الإمارات العربية المتحدة - دبي
  • أشغل هذه الوظيفة منذ فبراير 2014

Shouldering the onus of Designing and implementing LAN, WAN, IPT, Wireless network using equipment from
Multiple vendors
Troubleshooting & providing Technical Support for day-to-day operations and managing assets & Helpdesk activities including assistance for smooth LAN & WAN operations across the premises
Efficiently providing administration and troubleshooting for network servers and resolving connectivity issues
Manage complete troubleshooting activity pertaining to Performance, Network Administration, Application Conflicts and Bugs and Addressing overall queries involving Information System/ Software & extending onsite support to the clients including maintenance of hardware/ software
Analyze root cause of failures and evolved breakdown solutions within minimum turnaround time
Efficiently managing installation, configuration and troubleshooting with respect to LAN/WAN maintenance, network performance/connectivity and user management/permission.
Liaising with ISPs, Vendors, Consultant, Clients
Troubleshooting and resolving hardware, software, and connectivity problems, including user access and component configuration
Designing and administration of Aruba WiFi for the HO and the Branches
Handling Configuration of VPNs, VLAN, STP (802.1D), MPLS, Qos, Radius, NPS, WAN Optimiser
Maintaining stock related to IT equipment and devices.
Coordinating hardware and software installations and upgrades to ensure work is performed in accordance with policy. Recommend resolutions to complex matters of significance and coordinate the implementation of the approved course of action
Involved in accumulating & troubleshooting of OS, Hardware & software problems.
Assisting in hardware installation and maintenance of workstations, servers, networking equipment, and other supporting hardware

systems Analyst في Abu Dhabi National Insurance Co.
  • غير ذلك
  • ديسمبر 2002 إلى نوفمبر 2008

 Configuration and maintenance of Cisco IP based Routing & Switching and VLAN
 Management of Cisco Switches and Routers
 Liaising and coordinating with IT consultants and Vendors
 Designed and Implementing Cisco IP Telephony.
 Configuration of policies on the firewalls and Monitoring Network traffic
 Designed and Implemented IP addressing scheme for the Company’s Network
 Configured and maintained Frame relay, and ISDN Links
 Designed and implemented IT policies & procedures and IT Security policies for the Company
 Analysed the in house product / technology requirements and handled Vendor proposals, quotations, technical meetings and coordinated the finalization of the tasks
 Created and maintained a detailed documentation of the whole IT infrastructure
 Maintenance of VPN over Leased and ADSL
 Responsible for maintaining and monitoring of company’s WAN links and internet
 Configured and Maintained IP Sec VPNs.
 Configured and Maintained MPLS with IPsec VPN backup
 Backup for the Systems Administrator
 Administration windows 2000 and windows 2003 network and Active Directory and Group Policy
 Handled the Security Solutions Sonic wall pro 200 and watchguard Firebox
 Support In-house developed Insurance applications
 Network supervision, troubleshooting and handling the escalated user support calls
 Trouble shooting of End Users Problem in XP, 2000, MS Outlook, OWA
 Assisted Help desk Engineers to gather problems and solve time critical issues
 Responsible for maintaining and monitoring of company’s WAN links and internet

Network Engineer في Micro Systems
  • غير ذلك
  • فبراير 1995 إلى نوفمبر 2002

 Network Administration in MS-Windows NT 4.0 Client Server and Windows 2000 Servers environment, troubleshooting systems hardware and network problems.
 I was involved in configuring domain configuration in the local area network and giving permission and privilege’s to the end users.
 Implementing and maintaining Network Security
 Installation & Configuration of Gateway, Proxy and DHCP Server using Red Hat.
 Setup mail server(s) for Intranet mailing
 Configure RAID level security for Server data
 Installation of OS, trouble shooting in servers/clients machines
 Maintain of 100% up time of the Networks
 Preparation of the schedule for the entire network data backup
 Implemented Switching and Routing Solutions.
 Designed Remote Access Solutions with Windows NT.

الخلفية التعليمية

ماجستير, MBA-IT
  • في Manipal University
  • فبراير 2008

Specialties & Skills

Security
Switching
Routing
IT Security
IP Telephony Cisco
Avaya IPT and Switching
Aruba WiFi
F5 Loadbalancer and ASM
Citrix Netscaler
Fortigate
Palo Alto

اللغات

الانجليزية
متمرّس

التدريب و الشهادات

CCIE - W (الشهادة)
تاريخ الدورة:
March 2012
صالحة لغاية:
April 2012
CCNP (الشهادة)
تاريخ الدورة:
February 2006
صالحة لغاية:
March 2006
CCNP Security (الشهادة)
تاريخ الدورة:
November 2012
صالحة لغاية:
March 2013
CCNA,CCNP,CCVP.CCSP,MCSE (الشهادة)
تاريخ الدورة:
January 2002
صالحة لغاية:
February 2007