Muhammed Riskan
Muhammed Riskan

Systems & IT Executive

Actively looking · Member since 1 Nov 2026
Location
Sammanthurai, Sri Lanka
Desired salary
Unspecified
Work preference
Remote Only
Experience level
Mid

About

Professional summary

I am a Systems & IT professional with nearly three years of hands-on experience supporting IT infrastructure, Windows environments, networks, enterprise systems, and end users across corporate, healthcare, and media organizations.

I currently work as a Systems & IT Executive, where I maintain and secure hardware, software, network infrastructure, user access, servers, firewalls, and backups to support business continuity.

My technical strengths include Windows Server, Active Directory, Group Policy, Microsoft 365, TCP/IP networking, LAN/WAN, DHCP, DNS, VPNs, Wi-Fi, routers, switches, and firewall administration.

I have practical experience troubleshooting hardware, software, email, network, and end-user issues, both on-site and remotely. I also manage IT assets, licensing, domain renewals, ticketing, preventive maintenance, and infrastructure documentation.

I have supported specialized operational systems including CCTV, PABX, biometric devices, printers, workstations, and endpoint security platforms. I am focused on minimizing downtime, improving system reliability, and providing responsive technical support.

I hold an HND in Cyber Security from Qualifi UK Level 5 and have certifications in CCENT, CCNA, MCSA, CEH, Linux Network Administration, computer hardware, and Windows networking.

Skills

14 capabilities

Experience

Career history

Systems & IT Executive Polygon Holdings (Pvt) Ltd

I maintain, secure, and troubleshoot the organization's hardware, software, network infrastructure, and user-access environment to support business continuity.

I manage servers, networks, firewalls, and backups; configure and troubleshoot IT equipment and applications; administer user accounts and permissions; and provide day-to-day technical support to reduce downtime.

IT Administrator Express Newspapers (Cey) Ltd.

I provided technical support to end users and maintained IT infrastructure, including servers, network equipment, and end-user devices.

I diagnosed hardware, software, and networking issues, monitored network performance, assisted with upgrades and preventive maintenance, and maintained Fortinet firewall and CrowdStrike endpoint security.

IT Administrator TS Lankan (Pvt) Ltd.

I administered and maintained IT infrastructure, network systems, and end-user support services to help ensure smooth daily operations.

I resolved hardware, software, and network issues both in person and remotely, while assisting with system updates, backup activities, and security protocols.

IT Administrator Align Dental Care (Pvt) Ltd.

I provided IT support to clinical and administrative staff, installing and maintaining PCs, laptops, printers, and peripheral devices. I resolved hardware, software, and network issues and performed preventive maintenance.

I supported infrastructure for more than 50 workstations, 13 printers, 5 switches, 3 routers, CCTV, PABX, and biometric systems. I also managed Microsoft 365, email systems, domain renewals, licensing, IT ticketing, and asset records.

Trainee - IT Support & Network Administrator Actiive Tech Networks

I installed and configured desktop computers, peripherals, and related end-user equipment.

I assisted with Windows Server administration and network support. I was recognized as Trainee of the Month for three consecutive months.

Education

Learning history

WinSYS City Campus

HND, Cyber Security

Completed an HND in Cyber Security under Qualifi UK Level 5. Achieved a GPA of 3.8/4.0, including 8 Distinctions and 2 Merits.

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