Hethakesa Daniel Ampofo

Experience

• 

  Ghana Ports and Harbours Authority

  Jun 2014 - Aug 2015

  IT Support Technician

  • I.T/Machine system networking Technician G.P.H.A Ghana Ports and Harbor Authority Headquarters (Tema)• IT support (GPHA Headquarters, Marine and Golden Jubilee Terminals)• Enterprise Resource Planning (GPHA )

• 

  DolphinTelecom

  Sept 2016 - now

  • Design, implement, and maintain network & network security solutions to protect the confidentiality, integrity, and availability of data and offer customer quality services. • Conduct risk assessments and identify potential threats and vulnerabilities in network systems• Develop and document security policies, procedures, and standards to ensure compliance with regulatory requirements• Configure and deploy security technologies such as firewalls, intrusion detection/prevention systems, and encryption• Monitor network activity to identify suspicious patterns or traffic and investigate incidents• Respond to security breaches and provide support during incident response activities• Perform regular system audits and vulnerability scans across IT/IP/TX• Keep abreast of new security threats and developments• Research and recommend security enhancements to improve the overall security posture of the organization• Train and mentor junior staff members• Provide Tier III/IV support for network security issues• Serve as a subject matter expert on all matters related to network security* Design and implement new solutions and improve the resilience of the current IP Network* Coordinate IT/IP/Network Security in operations troubleshooting and Customer Service delivery* Lead the design and implementation of solutions on IT/IP/Network Security across all POPs Show less • Network Security management across Dolphin/ACE large scale network| IT (Linux, Microsoft), IP (Cisco Routers XE, XR Switches, ASA’s) network & Transmission Network (Infinera, Tejas DWDM).• Plan implementation of emerging technologies, security trends• Determining the Network Security department goals and creating and implementation plan•. Network Security solution Sourcing and implementing / Security Vendor management • Network security best practices implementation are execution through change control management / configuration auditing / monitoring the performance of network elements• Network security auditing, vulnerability testing, and lead remediation projects• Providing expert advice and assistance to junior engineers.• Management of Dolphin large Scale network & Customer related Switching & routingtroubleshooting across Dolphin/ACE network on protocols “e.g., EIGRP, OSPF, BGP, IS-IS, MPLSetc.) from Africa to Europe (Ghana, Nigeria, Senegal, South Africa, France, England, Portugal)• IP/IPLC/DIA/VRF/MPLS Services & Security planning, design and implementation(Routing/Switching “Cisco: Hardware software”) & documentation/reports. Show less • Provide 2nd Level support to the NOC on customer and network IP related incidents.• Delivery of network solutions (IP transit, Dedicated Internet and L2/L3 MPLS VPN) tailored to meet customer-specific business needs within required scope, cost, time and quality.• Tracking and maintaining up-to-date IP related documentation to support network service delivery and operations compliance. • Network capacity analysis, planning and providing recommendation to meet current and future core/edge requirements and ensure cost savings.• Coordinating with international providers and customers for BGP peering and BGP routing policy decisions. • Incident/problem resolution support and ensuring node/service uptime within SLA.• Management of Dolphin's global MPLS backbone network across network (Ghana, Nigeria, Senegal, France, United Kingdom, Portugal). Show less • Network Monitoring/Network Service Management• IP Second Level Network Support/ service troubleshooting• Support in Service Delivery of IP Services within agreed timeline as per the approved Plan of Work• IP Service Configuration / configuration management• IT infrastructure, servers and systems management• Network Performance analysis (Network utilization/performance)• IP Network Monitoring Systems Installation, management (PRTG, Zabbix) & Operation• Timely support to NOC in accordance with agreed SLAs and MTTR with customer's Show less Network Operation Center - Incident management.Second level troubleshooting of Network Issues.Linux | Windows Server systems Specialist.Zabbix Network Monitoring System Expert.IP/MPLS and L2/L3 MPLS VPN technologies.Routing protocols (BGP, OSPF, IS-IS, RIP, EIGRP). Monitoring of Client and Provider traffic & P2P with PRTG,Zabbix and CACTI monitoring software.Monitoring of IPLC circuits with OMS 1350 (SDH-SIE) and TEJAS NMS (ADM TJ1600).Generating service availability report for Clients.Performing SIE (Submarine Interface Equipment) backups.Mounting of 42U rack/cabinet and network cabling.Installing Cisco Switches and routers in RACK.Monitoring of WET segment (ACE Submarine Cable) with AIS (Automatic Identification System).Designing of Network diagrams and database with Microsoft visio and excel. Show less

  • Senior Network & Security Engineer

    Jan 2023 - now

  • Network Security Engineer

    Jan 2022 - now

  • IP/MPLS ENGINEER

    Jan 2019 - Jan 2022

  • NOC IP/IT Technician

    Apr 2018 - Apr 2019

  • NOC TECHNICIAN

    Sept 2016 - Apr 2018
• 

  Expresso Telecom Group Ltd

  Jan 2019 - now

  IP/MPLS ENGINEER

  1.Network Monitoring & operations: Expressonet Global GNOC [Senegal, London, Djibouti, Sudan, Ethiopia].2. Routine IP Network Health /Network Inventory/Maintenance & Backup/IP Second Level Network Support.3. Service design & delivery of IP/MPLS Services within agreed timeline as per the approved Plan of Work on Dolphin Network.4. IT infrastructure, servers and systems management /Create designs based on industry best practices, sound solid engineering principles incorporating both local and global requirements and standards.5. IP Network Monitoring Systems Installation, management (PRTG, Zabbix) & Operation.6. Ensure Optimal network performance through regular network audit and trend checks7. Management of Expressonet Global large Scale network & Customer related Switching & routingtroubleshooting across Expressonet network on protocols “e.g., EIGRP, BGP, IS-IS, MPLSetc.) in Sudan/Senegal/London/Djibouti/Ethiopia Show less