Summary
Overview
Work history
Education
Skills
Accomplishments
Languages
Technical Skills
Timeline
Generic

SAMEH ABD ELRAHMAN OSMAN

Riyadh,Saudi Arabia

Summary

Experienced Network and Network Security Engineer with a strong background in designing, implementing, and managing secure network infrastructures. Proven expertise in deploying and supporting enterprise-level firewalls, wireless solutions, and network access control systems. Adept at working with cross-functional teams to ensure robust network performance and security compliance





Overview

21
21
years of professional experience

Work history

Senior Network and Security Enginner

Sure Global Tech _ ( Decision Support Center )
Riyadh, Riyadh Region
10.2024 - Current
  • Carried out day-to-day duties accurately and efficiently.
  • Quickly learned and applied new skills to daily tasks, improving efficiency and productivity.
  • Successfully delivered on tasks within tight deadlines.
  • Demonstrated respect, friendliness and willingness to help wherever needed.
  • Supported team by demonstrating respect and willingness to help.
  • Worked flexible hours, covering nights, weekends and bank holidays.
  • Implemented and manage and design Newtork and security device's in Cloud Platform (Deam and)
  • Implement and manage daily operation for 10 firewalls' (Palo alto, Fortinet) for 2 data centre and HQ
  • Implement and managing perform daily operation Cisco ISR 4431 Internet edge router and MPLS between 2 data center and HQ
  • Implement and manage daily operation Aruba 7030 controller (Active /standby) .and AP -315, AP-515 series
  • Implement and manage and perform daily operations L3 Core switch (Aruba 3810M) and L2 switch (Aruba2930F)
  • Implement and managing data center switch (Dell S4048-on)
  • Implementing and Managing NAC Solution (ClearPass)
  • Troubleshoot and monitor network performance and integrity Using (Airwave, SolarWinds)
  • Implement and monitor site to site VPN Between SonicWall, Fortinet and (Azure, Qualys)
  • Migration DMZ and HQ Firewall to Fortinet
  • Managing and administration F5 WAF
  • Managing and administration F5 DMZ and Internal KEMP Load balancer
  • Making sure system backups are running
  • Implementing network security blueprints prepared by security architects
  • Managing information and data access
  • Maintaining and updating firewalls, Switches, WIFI controller and testing the organization's network and systems
  • Supervise Helpdesk team to solve any network problems

Senior Network and Security Engineer

MIS, Al Moammar (Decision Support Center)
Riyadh, Saudi Arabia
08.2021 - 10.2025
  • Implement and manage daily operation for 10 firewalls' (SonicWALL, Fortinet) for 2 data center and HQ
  • Implement and managing perform daily operation Cisco ISR 4431 Internet edge router and MPLS between 2 data center and HQ
  • Implement and manage daily operation Aruba 7030 controller (Active /standby) .and AP -315, AP-515 series
  • Implement and manage and perform daily operations L3 Core switch (Aruba 3810M) and L2 switch (Aruba2930F)
  • Implement and managing data center switch (Dell S4048-on)
  • Implementing and Managing NAC Solution (ClearPass)
  • Troubleshoot and monitor network performance and integrity Using (Airwave, SolarWinds)
  • Implement and monitor site to site VPN Between SonicWall, Fortinet and (Azure, Qualys)
  • Migration DMZ and HQ Firewall to Fortinet
  • Managing and administration F5 WAF
  • Managing and administration F5 DMZ and Internal KEMP Load balancer
  • Making sure system backups are running
  • Implementing network security blueprints prepared by security architects
  • Managing information and data access
  • Maintaining and updating firewalls, Switches, WIFI controller and testing the organization's network and systems
  • Supervise Helpdesk team to solve any network problems
  • Developed intricate firewall solutions to ensure data protection.
  • Managed network security protocols for enhanced cyber safety.
  • Configured routers and switches optimally; achieved a balanced load distribution on servers.
  • Collaborated with vendors during procurement of hardware and software; ensured acquisition met organisational security standards.
  • Implemented comprehensive disaster recovery plans to mitigate potential data loss risks.
  • Coordinated software updates and patches; ensured minimal downtime during these processes.
  • Collaborated closely with IT team members to solve critical network problems efficiently.
  • Maintained network configuration, mapping and service records for accurate documentation.
  • Kept networks updated by conducting installations, configurations and maintenance.
  • Tracked network performance to identify weak points and implement improvements.
  • Led the design and implementation of secure LAN and WAN infrastructure, resulting in improved network efficiency.
  • Delivered robust VPN solutions for secure remote access.
  • Troubleshot complex network issues to restore functionality swiftly.
  • Configured routers, switches and firewalls to deploy and support LAN, WAN and wireless networks.
  • Troubleshot network issues and provided rapid solutions to limit downtime.
  • Provided smooth communications by configuring LAN technology, wireless access points and controllers.
  • Guided and assisted users with technical issues, improving network performance and usability.
  • Optimised network operation through focused configuration and monitoring.
  • Secured network systems by establishing and enforcing access control policies.
  • Recommended equipment and resource upgrades to improve network capabilities.
  • Assisted various departments in maintaining network security and configured remote routers and firewalls.
  • Set administration, usage and disaster recovery policies to best maintain network performance.

SENIOR NETWORK and Security ENGINEER

National Container Terminals King Abdullah Port
Rabigh, Mecca Region
05.2017 - 05.2021
  • CONTAINER TERMINAL, NCT
  • Implementation and Design and maintain active to active data center (Cisco ASA 5085x Firewall Brocade mlx8, VDX Sever farm Switches, ADX Load balancer,)
  • Managing and maintain L2 access Switches Brocade ICX
  • Implementation and manage maintain Aruba wireless system (Aruba controller In door outdoor AP)
  • Design, maintain and supervised fiber networks
  • Configuring and implementing Point to point RF network
  • Mentoring all the network component using (brocade network advice, Aruba air wave Zabbix, cacti
  • Migration from ASA to Sophos XG firewall, Configuring and Managing Sophos XG firewall (high availability, proxy - port forwarding - VPN )
  • Migration from Brocade Core Switches to Dell core Switches, Configuring and Managing Sophos XG firewall (high availability, proxy - port forwarding - VPN )
  • Designed and implement head quarter network And Wifi using Sophos XG firewall And cisco switches Aruba access point
  • Configuring monitoring and Managing Site to Site VPN between HQ And terminal
  • Configuring and Managing ssl VPN and port forward
  • Managing Network Access control (packet fence, Clear pass)
  • Supervising and Managing network and help desk team for daily activity
  • Manage and Design and supervision all new network projects
  • Manage and monitor all network backups and updates and upgrade
  • Manage all support accounts and deal with vendors to solve issues.

NESMA ADVANCED

TECHNOLOGY KING ABDULLA PORT RABIGH
Riyadh
10.2013 - 05.2017
  • Design and deploy functional networks (LAN, WLAN, WAN)
  • Configure and install software, servers, routers and other network devices
  • Monitor network performance and integrity
  • Resolve issues tiers of support have escalated by troubleshooting cloud and local infrastructure
  • Automate tasks and monitor their effectiveness
  • Mentor team members on technical issues
  • Create, oversee and test security measures (e.g
  • Access authentication and disaster recovery)
  • Communicate with users when needed
  • Maintain complete technical documentation
  • Suggest improvements to network performance, capacity and scalability
  • Managing all support accounts and dealing with vendors to solve issues.

MINISTRY

OF THE CABINET AFFAIRS
10.2004 - 10.2013
  • Managing all the network component switches and routers Configure cisco VPN access Configuring Managing and troubleshooting point to point wireless access point Configuring Managing and trouble shooting in door APS
  • Configuring and managing AD in windows systems Configuring mail server in Iinux redhat monitoring network component (cacti , zabbix )

Education

MBA - Business Administration,

Sudan Academy of Sciences
Khartoum Sudan
01.2009

Bachelor of computer Engineering - Computer Engineering

University of Science & Technology
Omdurman
03.2003

Skills

  • Problem-solving
  • Communication skills

Accomplishments

  • CISCO CCNP certified
  • Aruba Certified Mobility Associate (ACMA)
  • Cisco Certified Network Professional Enterprise (CCNP ENTERPRISE)
  • Cisco Certified Specialist-Enterprise Advanced Infrastructure Implementation (ENARSI
  • Cisco Certified Specialist - Enterprise Wireless Implementation (ENWLSI)
  • Palo Alto Networks Certified Network Security Engineer (PCNSE)
  • Huawei Data Communication Certification
  • Huawei Video Conference Certification
  • Fortinet NSE4

Languages

Arabic
Native
English
Advanced

Technical Skills

  • Firewalls: CISCO ASA, Sophos SonicwallFortinet (FortiGate), Palo Alto
  • Load Balancing: F5 LTM, Kamp Loadmaster ,Brocade ADX
  • Network Access Control: Aruba ClearPass
  • Wireless Solutions: Aruba Wireless
  • Routing & Switching: Cisco Routers and Switches (IOS, IOS-XE), Brocade Swatches MLX , ICX Switches, Dell Switches Aruba Switches
  • Cloud security (Deam Platform)
  • Protocols & Technologies: BGP, OSPF, VLAN, STP, IPsec, SSL VPN, NAC, 802.1X
  • Tools: Wireshark, SolarWinds, CLI, SNMP, Syslog

Timeline

Senior Network and Security Enginner

Sure Global Tech _ ( Decision Support Center )
10.2024 - Current

Senior Network and Security Engineer

MIS, Al Moammar (Decision Support Center)
08.2021 - 10.2025

SENIOR NETWORK and Security ENGINEER

National Container Terminals King Abdullah Port
05.2017 - 05.2021

NESMA ADVANCED

TECHNOLOGY KING ABDULLA PORT RABIGH
10.2013 - 05.2017

MINISTRY

OF THE CABINET AFFAIRS
10.2004 - 10.2013

MBA - Business Administration,

Sudan Academy of Sciences

Bachelor of computer Engineering - Computer Engineering

University of Science & Technology

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SAMEH ABD ELRAHMAN OSMAN