Sylvester Wasonga

Experience

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  St. Joseph Mission Hospital Migori

  May 2018 - Sept 2018

  Assistant System Administrator

  1. Performed initial setup, software installation, testing, and security hardening of servers 2. Troubleshoots hardware/software problems and system failures. 3. Prepared documentation of systems and software for permanent records. 4. Performed Network configurations both in routers and switches 5. Configured several hospital VLANs in several smart switches including cisco switches. 6. Ensured data availability by performing regular data backups in hospital servers 7. Maintained hospital website by adding new features. 8. Performed hardening of the network infrastructure by ensuring that all unused services/ports are disabled and also implementing other security aspects. 9. Ensured proper and valid traffic analysis by use of different network traffic analysis and monitoring software. Show less

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  LAKEBELT Farmers Cooperative Society Limited

  Feb 2020 - Sept 2020

  Information Technology Support Officer

  1. Organization ICT policy formulation 2. Took part in planning, budgeting and purchasing of ICT equipment. 3. Configuration of LAN/WAN network for the whole Organization. 4. Account creation for new users and ensuring appropriate Access control for each user.5. Performing computer hardware maintenance 6. Provision of ICT Technical user support 7. Provided network support for the users 8. Network firewall configuration to ensure security of both inbound and outbound traffic Show less

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  Kisii University

  Sept 2020 - Jun 2021

  Assistant Network Administrator

  1. Configuration of OPNSense Firewalls 2. 2 Configuration of networking devices which include; a). cisco switch configuration b). TP Link/ Dlink router configuration c). Nano Station M2 device configuration3. Performed network troubleshooting and documentation of each step.4. Maintenance of University Computer Science Lab Network including traffic analysis. 5. Extension/laying of University LAN network in different university departments. 6. Establishment of new Internet Access Point using different Access Point devices. 7. Provided technical user support. 8. Installation of new Operating Systems, Windows packages, University ERP System.9. Performing inventory for computers in the university computer lab. 10. Presumed the role of Senior Network Administrator when he is not around. Show less

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  Angani Limited

  Jun 2021 - May 2022

  Cloud Support Engineer (Cloud Solutions)

  - Configuration of ESXI compute and managing several ESXI nodes using Vmware Vcenter.- Deployment of LBs using solutions like Nginx and HA Proxy.- Networking infrastructure monitoring using cacti, zabbix, uptime robot.- Ensuring redundancy and availability on database environments using galera db clusters solutions incorporating it with Nginx as the LB on the DMZ to the application and HA Proxy as LB to the db instances.- VPN site-to-site configuration on mikrotic routers using different vpn technologies like IPSec, OpenVPN, L2TP/IPSec.- Automating deployment and configuration of cloud based services/solutions using Ansible.- Configuring Cisco switches, Avaya Switches used in the data centers and mounting of servers in server racks at the data centers.- Setting up mail servers, mail relay, setting up DNS records e.g MX, SPF, DMARC, DKIM and troubleshooting mail services issues- Managing software-defined storage infrastructure I.e Ceph storage ( S3 compatible storage platform)- Deploying and monitoring of several linux server distributions e.g centos, ubuntu, debian, kali linux and also windows servers e.g Window server 2012 R2, 2016 and 2019.- Configuration of Pfsense firewall and setting up of vpn using the same technology, adding interfaces to Pfsense.- Provisioning of VPCs with the correct CIDR and setting up secure remote connection to the VPC instances and linking different network tiers within the VPC.- Configuring database mirroring (DR) and database maintenance plan following a standardized order (backup, db shrinking and consistency) for MySQL server instances and troubleshooting issues related to the service. - 3CX PBX cloud phone solution setup, assigning extensions, call queue and ring group setup, adding SIP, adding IVR, Integrating with other ISPs SIP and troubleshooting issues related to the solution.- Answering client mails and phone calls and troubleshooting issues they are experiencing while using our cloud services Show less

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  Safaricom PLC

  Apr 2022 - now

  • DevOps Engineer

    Jun 2023 - now

  • Mpesa Engineer

    Apr 2022 - Jun 2023