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Samil Malingumu

@samilmalingumu

Datacenter Engineer at REVOLUSYS SOFTWARE LIMITED, supporting Sophos XDR threat hunting and root cause analysis at Roofings Group.

Uganda

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At REVOLUSYS SOFTWARE LIMITED, I work as a Datacenter Engineer across network security and storage infrastructure. I manage firewalls, secure connectivity, and SAN and NAS systems.

At Roofings Group, I implemented and supported Sophos XDR, using cross-layer visibility for threat hunting and root cause analysis.

At SHIMIZU KONOIKE JOINT VENTURE, I administered Azure services and VMware infrastructure, and deployed virtualization platforms using VMware and Microsoft Hyper-V.

Earlier, as an IT Technical Officer at MULTIPLE INDUSTRIES LIMITED, I supported hardware, software, servers, and enterprise networks, and participated in upgrades, migrations, and deployments.

Experience

Work history, roles, and key accomplishments

Current

Datacenter Engineer

Current

Revolusys Software Limited

Design, implement, and maintain enterprise firewall policies, switches, routers, and secure architecture. Manage access control, VPN tunnels, and threat management, and develop disaster recovery plans.

Network Security Firewall Management VPN IPSEC SSL NAC VLAN IPS SIEM Storage SAN NAS RAID LUNs Zoning Masking Disaster Recovery Sophos FortiGate Sophos XDR Threat Hunting Root Cause Analysis

IT Engineer

Shimizu Konoike Joint Venture

Mar 2023 - Sep 2025 (2 years 6 months)

Provision, administer, and maintain secure Azure cloud services, manage VMware-based IaaS, and design enterprise-grade virtualization platforms. Administer networks, manage Windows Server hardware, and implement security measures.

Azure Virtual Machines App Services SQL Databases VMWare Hyper V IaaS Network Administration Windows Server Active Directory Group Policy HP Proliant Dell PowerEdge Hikvision Role Based Access Control

IT Technical Officer

Multiple Industries Limited

Dec 2019 - Mar 2023 (3 years 3 months)

Provided technical support for hardware, software, and network issues, installed and maintained Windows servers and virtual environments, and managed enterprise networks. Conducted system health checks and participated in IT projects.

Technical Support Troubleshooting Windows Server Active Directory VMWare Hyper V Network Administration Switche Routers Firewalls Wireless Monitoring Capacity Planning IT Policy

Education

Degrees, certifications, and relevant coursework

Sophos

Sophos Firewall Certified Engineer V22.0 – ET80, Cyber Security

Gained expertise in deploying, configuring, and managing Sophos XG Firewall solutions, including network setup, security policies, VPN configuration, web and application protection, and centralized management.

Sophos

Sophos Firewall V22.0 Certified Technician (S80), Cyber Security

Completed a targeted technical course focused on supporting and maintaining Sophos XG/v22 firewalls, covering installation, initial configuration, VPN setup, log monitoring, troubleshooting, and policy enforcement.

Sophos

Sophos Central Endpoint Protection Certified Engineer (ET15), Cyber Security

Expertise in architecting and deploying cloud-native security via Sophos Central, proficient in configuring advanced Intercept X features and managing security policies across diverse operating systems.

Fortinet

FortiOS Administrator 7.6, Cyber Security

Expertise in administering and configuring FortiGate next-generation firewalls running FortiOS 7.6, including security policies, VPN technologies, and advanced threat protection features.

Huawei

Huawei Certified ICT Professional (HCIP) - Storage, Enterprise Storage Technologies

Validated professional-level expertise in designing and managing complex enterprise storage solutions, including OceanStor Dorado All Flash and Converged systems, with proficiency in data protection and performance tuning.

Huawei

Huawei Certified ICT Associate (HCIA) - Storage, Enterprise Storage Technologies

Trained and configured enterprise storage including SAN/NAS architecture, RAID technologies, and Huawei OceanStor solutions, gaining practical skills in resource optimization and data protection.

Microsoft

Microsoft Certified: Azure Administrator Associate – AZ 104, Cloud Computing

Gained hands-on expertise in managing Azure subscriptions, implementing storage solutions, configuring virtual networks, and securing identities within cloud and on-premises environments.

Microsoft

Microsoft Certified: Azure Data Fundamentals – DP 900, Cloud Computing

Trained in core data concepts of relational and non-relational data models, and data services in Azure, including storage, analytics, and governance.

Microsoft

Microsoft Certified: Security, Compliance, and Identity Fundamentals - SC 900, Cloud Computing

Trained foundational knowledge of Microsoft's security, compliance, and identity solutions across Azure and Microsoft 365, including Zero Trust principles and identity governance.

Microsoft

Microsoft Certified: Azure Fundamentals – AZ 900, Cloud Computing

Trained in foundational understanding of cloud computing principles and core Azure services, including architecture, pricing models, governance, and security features.