Lewis

IT Systems & Cybersecurity Specialist | Infrastructure & Network Security | Certified in CyberOps, ISC2 CC, Google Cybersecurity

Highest degree :

Bachelors

Field of study :

Computer Science

Location :

Kenya

Citizenships :

Kenyan

Experience :

8 Year(s)

Countries :

Kenya

Gender :

Male

Sectors :

Technology & Banking

Experienced IT Systems Specialist and Cybersecurity Analyst with hands-on experience supporting, securing and maintaining enterprise infrastructure in technology and banking environments. Skilled in server administration, endpoint protection, and vulnerability management using tools such as Cisco, VMware, and Wazuh. Passionate about improving system reliability, automating security processes, and promoting cybersecurity awareness within organizations.

Experience

CyberSecurity Analyst and Consultant

Nairobi

L.R. DIGITAL – Nairobi, Kenya

January 2023

-

Present

•Conducting comprehensive web application security assessments using Burp Suite for vulnerability identification and exploitation; utilizing Burp tools, Intruder and Repeater for manual and automated testing. •Web development and launch of 3 projects for clients - CCIFAMKENG, GOM, LIM. •Leveraged Cloudflare for DDoS prevention, providing strong defence against distributed denial-of-service attacks for a clients Website. •Using Wazuh for log management and vulnerability detection across endpoint applications and operating systems, serving as both a SIEM solution and Active XDR platform. •Analysed packet captures to diagnose network issues and to identify malicious activities using Wireshark. •Conducted automated vulnerability scanning and web application security testing using tools Acunetix and OpenVAS for comprehensive security scan reports. •Launched WPScan to identify vulnerabilities, outdated plugins, and misconfigurations in 2 WordPress sites. •Deployed and utilized Nuclei, Wapiti, SQLmap, Dalfox and Ghauri for web application vulnerability scanning, focusing on common web application security risks including SQLI, XSS. •Extensively reconned Bug Bounty targets on HackerOne to identify potential vulnerabilities. •Created Python script ShodanQuery for shodan credits balance checking from a shodan API. •Continuous education and professional development from online webinars from ISC2 forum, HackerNews, BrightTALK, IBM Careers and Infoblox.

Infrastructure Engineer

NAIROBI

PRIME BANK LIMITED

November 2020

-

January 2022

•Investigated and resolved errors reported on SysAid Help Desk for level 1 & 2 support and any issues found during daily Monitoring on Manage Engine, for over 400 staff. •Provided technical support and maintained local and remote user’s Computers, MS Office and other in-house software including Printer (Ysoft & MyQ), Call Centre (Avaya & Telesoft), Core Banking (Finacle) and others. •Supported and managed meeting setups on Zoom, Microsoft Teams & Cisco WebEx, for Senior Managers and staff. •Administered and issued McAfee DLP security release keys for bank staff on request. •Enforced PC security compliance standards using McAfee ePO, ensuring adherence to company policies. •Maintained and supported the network backbone, ensuring prompt resolutions of connectivity errors and managed Cisco Identity Services Engine. •Led support for dry-run and deployment of a Centralized CCTV Monitoring System on Exacq across 23 branches for the bank. •Upgraded & decommissioned more than 75 old PC’s that were running outdated windows versions below Windows 10-20H2. •Installed and maintained McAfee core Agents and McAfee Endpoint Encryption Agents, CrowdStrike EDR sensor Agents for user workstations. •Maintained 2 Data Centres according to daily, weekly, monthly checklist. •Installed, Patched and updated Windows workstations for the staff across all the 23 Branches. •Maintained and updated the Asset registry of the Banks IT Assets.

Systems Administrator

NAIROBI

TRACOM SERVICES LIMITED

June 2017

-

January 2022

•Supported staff and resolved support tickets raised on Jira Service Desk ensuring above 80% Time-To-Response and 70% Time-To-Resolution. •Ensured optimum network security and active threat prevention using Sophos Firewall XG and Sophos captive portal for Wi-Fi authentication across 6 access points. •Established and maintained robust Systems Access Management leveraging LDAP on Windows Server. •Patched and sustained company devices across Windows and Linux platforms covering over 65 workstations, on-premise servers, and network devices, to keep them updated with the latest patches. •Successfully setup and commissioned Servers for Payment Solution Project in Safaricom Datacentre-Thika and Africa Data Centres-Mombasa Road. •Installed and maintained IT equipment including printers, POS Security tools/kits, & Access Control devices. •Configured and managed Severs (Citrix Xen Server & VMware vSphere) in the on-prem Data Centre. •Configured and maintained persistent Site-To-Site VPN connections to over 13 cross-border clients for POS-DevOps. •Administered and updated public Website for Tracom Services and Nikodigi Product. •Collaborated with procurement department in IT equipment purchasing and supply. •Trained & on boarding of over 70 new staff on in-house systems (Jira, Bitbucket, Morpho, Logidocs).

ICT Officer

THIKA

HARVARD INSTITUTE OF DEVELOPMENT STUDIES

May 2016

-

May 2017

•Supported and maintained the schools Network infrastructure. •Maintained and Installed Computer Hardware (30 workstations). •Installed and supported all ICT Software in the school.

Education

BSc in Applied Computer Science

KISII

KISII UNIVERSITY

August 2011

-

December 2016

Graduate Degree: 2nd Class - Upper Division

HIGH SCHOOL DIPLOMA

THIKA

THIKA HIGH SCHOOL

January 2006

-

November 2009

GRADUATED WITH: GRADE B

Awards & Certificates

Cisco ROUTE 1&2

Nairobi

NEW HORIZONS COMPUTER LEARNING CENTERS

2016

Cisco ROUTE 1.0 eLT; Cisco ROUTE 2.0

CompTIA Network+

NAIROBI

NEW HORIZONS COMPUTER LEARNING CENTERS

2016

CompTIA Network+ 2012; CompTIA Network+ N10-006

Certified Secure Computer User v2 (CSCU)

NAIROBI

EC-COUNCIL

2016

Certification Number: ECC94393484415

Certified Cyber Security Analyst

NAIROBI

USIU

2021

Cyber Shujaa Program (conducted by USIU-Africa / Serianu Ltd / Kenya Bankers Association)

Cisco CyberOps Associate

NAIROBI

Cisco Networking Academy

2022

Certificate of Completion

Certified in Cybersecurity

NAIROBI

ISC2

2022

Certification Number: 1500593

Google Cybersecurity Professional Certificate V2

NAIROBI

Google Cybersecurity Certificate – Coursera

2024

Cybersecurity Fundamentals, Risk Management, Network Security, and the Use of industry-standard tools like Python, Linux, and SQL.

Data Science & Machine Learning

NAIROBI

AFRICA DATA SCHOOL

2021

Course on Data Science & Machine Learning Fundamentals

Languages
English
Speak
Native
Read
Native
Write
Native
Swahili
Speak
Native
Read
Native
Write
Native
Skills

Technical support

Customer service

Customer Satisfaction

Documentation

Network and system troubleshooting

Network Security

Cyber Security

Experience with financing agencies

4years 7 months