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Alhagie Erezi, Senior Core Network Engineer

Alhagie Erezi

Senior Core Network Engineer·DK Telecom

Gambia

Bachelor's degree, Computer Science

Work experience

Total years of experience: 8 years, 0 months

Senior Core Network Engineer

January 2025 - Present

DK Telecom

Banjul, Gambia •Hybrid

January 2025 - Present

Role- Core network designing
Core network devices configuration, installation, troubleshooting and remote management
IP management
Company industry:
Telecommunications

Senior Network Engineer

August 2023 - January 2025

SkyNet Inc The Gambia

Banjul, Gambia •Hybrid

August 2023 - January 2025

• Installation and Configuration of long range radio point to point connection.
• Installation and Configuration of long range radio point to multipoint connection.
• Installation and Configuration core network devices such as gateway router and provide edge
device
Company industry:
Telecommunications

Core data Network Technician

January 2018 - January 2023

Gamtel

Banjul, Gambia •Hybrid

January 2018 - January 2023

Core data Network Technician
• Configuration, Troubleshooting And Monitoring Of Core Network
Routers such as Gateway Router Cisco ASR 9006, Provider edge Router
Cisco 7200, Huawei NE40 and Cisco Aggregate Layer 3 Switches,
Huawei ETX Switches.
• MPLS Technology for both VPN and INTERNET service
• Cisco firewall configuration and troubleshooting
• Routing Protocols Static, Ospf, Eigrp, BGP, ISIS, IBGP, EBGP
• Core Network Monitoring and Acess network and remote troubleshooting
• Ip management or planning both private and public
• Database Management
• cabling ethernet and optical fiber
• Adsl +2 configuration and troubleshooting
• computer repairing and maintance ( internet cafe technician)
• test clerk
• linesman
Company industry:
Telecommunications

Education

Amity Online University

May 2027

May 2027

Bachelor's degree, Computer Science

Gambia

Gambia telecommunication and multimedia institute (GTMI)

December 2013

December 2013

Bachelor's degree, Information Technology

Gambia

Skills

CISCO CERTIFIED NETWORK ASSOCIATE

Intermediate

BUSINESS OPERATIONS

Intermediate

COMPLEX PROBLEM SOLVING

Intermediate

INTERNET SERVICE PROVIDER

Intermediate

MANAGEMENT

Intermediate

MULTIMEDIA

Intermediate

NETWORK ENGINEERING

Intermediate

NETWORK TROUBLESHOOTING

Intermediate

TELECOMMUNICATIONS

Intermediate

VIRTUAL PRIVATE NETWORKS VPN

Intermediate

Languages

English

Beginner

Training and Certifications

Certifications
Cisco Certified Network Associate (CCNAv7).
Associate's degree
Information and Technology Certificate