Nadil Kareem, Assistant Manager- Network & Security Operations

Nadil Kareem

Assistant Manager- Network & Security Operations

Al Hilal Bank

Location
United Arab Emirates
Education
Bachelor's degree, B.Tech in Electronics And Communications
Experience
15 years, 6 Months

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Work Experience

Total years of experience :15 years, 6 Months

Assistant Manager- Network & Security Operations at Al Hilal Bank
  • United Arab Emirates - Abu Dhabi
  • My current job since December 2018

 Responsible for the new implementations, administration & management of Bank’s Core Network infrastructure & Branch Networks.
 Provides technical support in all Network Domains: R&S, DC, Wireless, Load balancer & Voice.
 Liaising with Vendors for technical proposals analysis, designing & implementation of Core Network projects including ACI Multisite, CISCO ISE 2.4 Upgrade etc
 Participating in technical discussions with stakeholders and understanding the requirements for upcoming projects and revamping of existing applications.
 Manage and perform the business systems analysis work associated with change requests, projects, assessments and escalated issues
 Develops, Researches and Maintains proficiency in tools, tools, techniques, countermeasures and trends in computer and network vulnerabilities.
 Performs configuration management and conducts all Network devices & appliances upgrades.
 Implementing Infrastructure change requests, service requests & resolving incidents within the SLA.
 Designing and providing the solution based on feasibility with current infrastructure availability and suggesting with upgrade or procure of Network devices based on requirements.
 Engaging with different vendors for fixing issues on the systems in case of any.
 Providing specialized support by gathering information & identifying issues through extensive examining, handling, and searching & data retrievals.

Network Engineer at Abu Dhabi Islamic Bank
  • United Arab Emirates - Abu Dhabi
  • My current job since October 2011

1. Providing daily operational support and system administration for network infrastructure.
2. Configuring & Implementing LAN, WAN, Wireless, Voice Gateways & IP Phones
3. Identifying, diagnosing, and resolving network problems (Wired, Wireless & Voice).
4. Performing implementation and maintenance tasks on the LAN and WAN.
5. Data: Manage and operate Cisco Routers & switches
(Core, Aggregation, Distribution and Access layer switches: 65xx, 45xx, 38XX, 37xx, 35XX and Nexus 7K, 5K & 2K. WAN, Branch & GPRS Routers: ASR 1XXX, 4XXX, 29XX, 28XX, 19XX & 18XX).
6. Voice: Configuring, Administrating and Maintaining of VOIP systems including Voice Gateways, Call Manager & IP Phones. CUCM (9.1.2), VG: 4XXX, 29XX & 28XX, IP Phones: 79XX, 88XX, 69XX & 99XX
7. Wireless: Administration of the wireless access points, Wireless LAN controller, Cisco Primer Infrastructure & Wireless Control systems. (WLC 55XX, AIR-CAP35XX)
8. Security: Establishing and enforcing policies (access rules), defining and monitoring access.
9. ISE: Configuring, Administrating & implementing Cisco ISE on access layer switches and managing ISE network nodes & end points.
10. Involved in developing Networking standards, procedures and documentation.
11. Participating in 24x7 on-call rotations.
12. Increasing the network performance by monitoring; troubleshooting network outages, conducting regular upgrades.
13. Resolve and update Service Requests, Change Requests and user-reported problems in a timely and professional manner minimizing any impact on business operations.
14. Coordinating with in-house divisions/departments/sections as well as vendors for any networking implementations.
15. Coordinate with Service Providers for immediate restoration of leased lines/MPLS Links.
16. Interact with team members and support personnel and also act as a mentor to less experienced personnel.

NOC Engineer at National Bank Of Abu Dhabi
  • United Arab Emirates - Abu Dhabi
  • February 2011 to October 2011

1. Network monitoring and performance analysis using various tools like EMC Smart, NNMI etc.
2. Designed and improved Excel documents to accurately document network equipment, devices and communication links.
3. Reporting network operational status by gathering, prioritizing information; managing projects.
4. Participating in 24x7 on-call rotations.
5. Understand and develop the network capacity reporting so current and future capacity needs are fully understood
6. Monitored and tested network performance and provided network performance statistics and reports.
7. Monitoring I.T infrastructure of NBAD with the help of monitoring tools like EMC Smarts, Net IQ etc
8. Monitoring critical parameters of network elements, servers, databases, applications, core banking systems, intellect servers etc
9. Administering Monitoring tools like EMC smarts by discovering, rediscovering and removing the devices.
10.Coordinate with Service Providers for immediate restoration of leased lines/MPLS Links
11. Monitoring Security tools like Arc Sight

Systems Engineer- Networking & Softwares at Infosys Technologies Limited
  • India
  • November 2008 to January 2011

1. Provided L2 Support for management of network in Allstate ODC in Infosys, Mysore.
2. Designs, administrates, and supports networks, infrastructure (e.g. LAN/WAN, routers, switches, Call Manager, IP Phones etc.).
3. Receive escalations from the first line support team and resolve incidents as needed.
4. Perform regular back-up of routers & switches running configurations via TFTP server.
5. Network monitoring and performance analysis using various tools like Solar winds, HP NNMI etc.
6. Configured and monitor HSRP as a redundancy protocol in layer 3 switching.
7. Configuring and troubleshooting of VoIP devices.
8. Configuring VLANs, STP, Voice VLANs and Inter-VLAN routing in LAN environment.
9. Implementing traffic filters on Cisco routes using Standard, extended Access list.
10. Create and maintain network documentation as it relates to network configuration.
11. Carrying out day-to-day administration and monitoring network use.

Education

Bachelor's degree, B.Tech in Electronics And Communications
  • at Calicut University
  • July 2008

B.Tech in Electronics And Communications

Specialties & Skills

IT Security
Data Network
Voice Networks
Cisco Wireless
Routing and Switching
10.MS Office, MS Outlook 2003, 2007
5.Network Tools: Solar Winds, IPAM &LANSCOPE
3.Cisco IP Telephony Services
7.Shell Programming (Unix)
2. Cisco Wireless
8.Windows XP, Vista, 7, MS-DOS
9.C Language
6.PL/SQL(ORACLE).
5.Network Security
5.Tools: ACS, NAC Server, WCS & Cisco Prime
4.Cisco ISE
Azure security
Azure Networks
1.Networking Skills: Routing and Switching

Languages

English
Expert
Arabic
Beginner
Hindi
Expert

Memberships

Cisco Technologies
  • CSCO11870922
  • November 2010

Training and Certifications

Microsoft Azure Security (Certificate)
Date Attended:
June 2021
Microsoft Azure Network (Certificate)
Date Attended:
May 2022
Cisco CCIE (Certificate)
Date Attended:
June 2019
Cisco CCNA (Certificate)
Date Attended:
December 2014
Valid Until:
December 2017
Cisco Wireless (Certificate)
Date Attended:
May 2015
Valid Until:
May 2018
Cisco CCNP (Certificate)
Date Attended:
December 2015
Valid Until:
December 2018