• Lead on projects including design and manage network infrastructure, including technical requirements, analysis and implementation of LAN/WAN, Wireless and firewalls.• Install, configure, and administer Cisco, HP/Aruba switches, Palo Alto and Fortinet Firewalls, Meraki switches and Access Points.• Analyze existing operations and make recommendations for the improvement and growth of the infrastructure• Contribute to ongoing on-premise to cloud migration and integration• Establish pro-active monitoring & optimal network performance• Manages escalated issues and administers the day-to-day operations of networks and firewalls • Defined and maintained global technical designs standards and procedures.

• Designed and worked with multi skilled team to migrate on Premise citrix environment to Microsoft Azure cloud.• Designing and working with deployment team to migrate on Premise backup solution to AWS cloud.• Designed, setup and migrated on Premise Skype Server to Microsoft Teams in Azure cloud.• Designed and implemented network to integrate Fire Eye NX appliance and VSS tap for data visibility and threat protection.• Design, deploy and operate networks across Africa, South America, Offshore and Europe.• Worked with team members to design, deploy and operate Datacentres in London, Dublin and Cape Town.• Design, deploy and operate Cisco CUCM/Unity, CME, VoIP across all Tullow locations (Offshore/Onshore) and migrated from hardware to VM to reduce cost. • Integrated Cisco Call Manager with Microsoft Teams, skype, Telepresence and providing Arc Console, Cisco attendance console support globally.• Provided support and upgrades on Palo Alto Firewalls, Riverbeds, F5 GTM/LTM/APM, Swivel. • Responsible for global Technical Designs Standards and procedures.• Providing mentoring and coaching for diverse IT engineers globally on technologies

• Created detailed IT Infrastructure Solutions and Projects delivering against business requirements and architecture Standards.• Network design and operational support and patches globally.• Designed, setup and troubleshoot UCM solution globally for 4000 + users including Offshore and remote locations (VoIP, Skype, voice gateway, ISDN/SIP).• Implemented solution components on schedule as per design, incorporating testing, knowledge transfer and post implementation support.• Technical authority review board and approval of high and low-level design and change request.• Develop operational, installation, configuration and upgrade documentation for completed Projects• Print solution design and deployment, server configuration, Active directory administration

• Managed all in house and external telecom system.• Provided 2nd/3rd Line Infrastructure Support on networks, Wireless, Cisco Call manger, Cisco Unity, Presence server.• Managed and configured Cisco Attendance Console Servers globally.• Monitored and Troubleshoot Voice gateway, ISDN lines globally.

• Configured systems and supported IT infrastructure for 50 private sectors. • Research and recommended innovative and automated approaches for companies.• Performed server monitoring, performed regular security monitoring to identify any possible intrusions.• Performed daily backup operations.• Investigated and troubleshoot LAN and WAN issues for companies.• Installed Customer Feedback devices for all Barclays bank in Ghana• 1st/2nd /3rd level server support for companies.