allan arston
Digital information Technology Infrastructure Expert
Highest degree :
Bachelors
Field of study :
. Computer Science
Location :
Nairobi
Citizenships :
Ugandan
Experience :
18 Year(s)
Countries :
Kenya, Uganda, Tanzania, Ghana
Gender :
Male
Sectors :
Digital ICT Expert | Data Scientist (AI/ML) | Digital Healthcare Technologist | Cloud & Data Center Specialist
Cybersecurity
ICT infrastructure
ICT Lead
Nairobi Kenya
Seacrest Technology Limited
March 2025
-Present
I am responsible for Service Delivery, Technical Leadership, Solution Design, Project Management and Customer Engagement. Our customers are spread across multiple sectors such as Financial Services, Government, Energy, Healthcare and Telecommunications. My job involves developing a clear understanding of customer business problems and advising the CIOs / IT Heads on IT strategy focusing performance improvement, value-addition and sustainability. The engagements span across networks, security, UNIX & Windows platforms
Group IT Manager
Nairobi Kenya
SGA Holdings Kenya Limited
March 2017
-March 2025
Group IT Manager at SGA Security, collaborating with the Executive Committee and regional IT managers. Led IT Projects & Technology Deployment, ensuring seamless adoption across multiple countries. Provided ICT Oversight & Strategic Support to enhance operational efficiency and cybersecurity. Managed & mentored a15-Member IT Team, fostering skill development and leadership growth. Developed & Controlled ICT Budgets, optimizing technology investments across the Group. Implemented IT Solutions & Digital Transformation to align with business objectives. Strengthened IT Governance & Compliance, ensuring adherence to industry standards. Lead a global security team protecting over $5million in digital assets across 3 countries. Designed and implemented an enterprise-wide cybersecurity framework aligned with NIST and ISO 27001. Reduced third-party vendor risk by 45% through comprehensive assessments and mitigation plans. Oversaw incident response for major cyber events, ensuring no data loss or regulatory penalties. Partnered with executive leadership and the Board align cybersecurity strategy with corporate goals. Built a Security Operations Center (SOC) from the ground up, delivering 24/7 threat monitoring. Conducted regular penetration testing and vulnerability assessments, reducing critical findings by 60%. Collaborated with legal and compliance teams to achieve and maintain GDPR and data protection compliance. ICT Lead SEACREST TECHNOLOGY LIMITED | Nairobi Kenya |March 2025 to Present I am responsible for Service Delivery, Technical Leadership, Solution Design, Project Management and Customer Engagement. Our customers are spread across multiple sectors such as Financial Services, Government, Energy, Healthcare and Telecommunications. My job involves developing a clear understanding of customer business problems and advising the CIOs / IT Heads on IT strategy focusing performance improvement, value-addition and sustainability. The engagements span across networks, security, UNIX & Windows platformsManaged annual cybersecurity and ICT budgets exceeding 80 million Kenya Shillings and optimized resource allocation. Spearheaded company-wide security awareness training, achieving 95% employee participation. Implemented data loss prevention (DLP) tools, resulting in a 70% decrease in data leakage incidents. Created incident response playbooks and conducted tabletop exercises quarterly
ICT Manager
Nairobi Kenya
SGA Kenya Limited
January 2015
-February 2017
ICT Consultant, leading the restructuring and deployment of ICT and business support systems. Enhanced Technology & Business Support, driving research, data initiatives, and startup incubation. Designed & Implemented Nationwide WAN Solutions, optimizing network infrastructure. Developed & Supported Financial Systems, ensuring seamless financial operations and reporting. Built a Security Operations Center (SOC) from the ground up, delivering 24/7 threat monitoring. Conducted regular penetration testing and vulnerability assessments, reducing critical findings by 60%
ICT Manager
Dar Es Salaam, Tanzania
SGA Security Tanzania Limited
October 2013
-January 2015
ICT Consultant, leading the restructuring and deployment of ICT and business support systems. Enhanced Technology & Business Support, driving research, data initiatives, and startup Designed & Implemented Nationwide WAN Solutions, optimizing network infrastructure. Developed & Supported Financial Systems, ensuring seamless financial operations and reporting. Spearheaded company-wide security awareness training, achieving 95% employee participation. Implemented data loss prevention (DLP) tools, resulting in a 70% decrease in data leakage incidents.
IT Manager
Kampala Uganda
Security Group Uganda Limited
March 2009
-September 2013
IT Manager / Systems Administrator, managing MIS, Linux servers, client support, ACCPAC accounting system, and billing systems www.securitygroupafrica.com Led IT Policy Implementation & Decision-Making, ensuring security, compliance, and efficiency. System Integration & Infrastructure Management, overseeing PC assembly, WLAN deployment, Cisco hubs/switches, and Alcatel Lucent PBX systems. Network Administration, implementing WAN and LAN solutions using VPN technology and IIS. Security & Surveillance Systems, installing and managing IP camera DVR systems. System Administration, configuring DNS (Bind 8 & 9), Cisco routing, email servers (Sendmail, Qmail, Mdaemon), Apache (with MySQL, PHP, SSL), and firewalling with Linux (iptables, ipchains). Managed Enterprise Applications, including Microsoft Exchange, proxy servers, and SQL servers. Maintained & Supported Business-Critical Systems, such as UNIX mail servers, alarm servers (Oryx), and guard management systems (Easy Roster).
Data Engineer
Kampala Uganda
Socket Works Global Inc
January 2008
-February 2009
Data Engineer (Data Metrics), leading the Business Intelligence and Metrics development team. Automated Metrics Reporting & Dashboard Development, enhancing data visualization for company products. Designed & Built Business Intelligence Tools for E-Government, E-Education, and E-Health solutions. Developed Data Solutions for clients, including the Nigerian Armed Forces, Nigerian Immigration Service, Ghana Post & Telecommunications, Korlebu Hospital (Ghana), and the University of Sierra Leone. Utilized MySQL, Python, CakePHP & OpenOffice Spreadsheets for data processing and analysis.
Wi-Fi Project Manager
Kampala Uganda
HosSpotME
January 2007
-February 2008
management, and technical security expertise for product development and network operations. Led Wireless Security Implementation, managing authentication mechanisms, access controls, firewalls, VPN concentrators, and wireless access points. Collaborated with IT Security & Networking Teams, serving as a liaison between the CISO, IT auditors, product vendors, and corporate consultants. Developed & Maintained Applications, creating reusable components, templates, and functional prototypes. Balanced Creative & Technical Requirements, working with global development teams to share best
MSc Computer Science
London, United Kingdom
University of East London
October 2023
-Present
Masters in computer science being studied online
B.Sc. in Computer Science
Kampala Uganda
Makerere University
August 2003
-October 2006
B.Sc. in Computer Science from Makarere
Cisco Certified Networking Professional (CCNP)
Nairobi
CISCO
2023
An advanced-level networking certification that builds on the foundational skills of the CCNA certification. It validates expertise in implementing and troubleshooting complex network solutions in specific areas like Enterprise, Collaboration, Data Center, Security, or Service Provider networks. The certification requires passing a core exam and a concentration exam and is often required for senior network roles.
Cybersecurity Fundamentals Online Review Course
Nairobi
ISACA
2019
Cyber security certifications on fundamentals
Certified in Risk & Information Systems Control (CRISC)
Kenya
ISACA
2020
The certification demonstrates a professional's ability to help an organization manage IT risk to support business goals.
Certified in Governance of Enterprise IT (CGEIT)
Kenya
ISACA
2022
This is a globally recognized certification from ISACA that validates an IT professional's ability to manage and direct enterprise IT governance, ensuring IT strategy aligns with business objectives.
Fortinet Certified FortiSIEM Administrator
Kenya
Fortinet
2024
This is a professional certification that validates an individual's ability to manage and monitor Fortinet's Security Information and Event Management (SIEM) system.
Fortinet Certified Associate in Cybersecurity
Kenya
Fortinet
2024
This is a certification that validates an individual's knowledge of the high-level operation of FortiGate devices. It demonstrates the ability to perform essential tasks like configuring interfaces, setting up firewall policies, and inspecting traffic using Fortinet's most common security features.
