salman Ahmad

Work Experience

National Company for Learning & Education (NCLE)

Aug 2024 - Present -1 yr

Saudi Arabia

Job Details:Configured and deployed Cisco switches across enterprise LANs, implementing VLANs, trunk/access ports, and port security for segmentation and protection. Configured, maintained, and troubleshot routers, switches, firewalls, and wireless devices. Collaborated with IT teams to support server, cloud, and VoIP infrastructure. Documented network topologies, configurations, and procedures. Provided troubleshooting and technical support to resolve hardware, software, and network issues. Configured and deployed wireless access points, including SSID setup, VLAN tagging, WPA2 security, and AP uplink to switches. Performed signal testing, basic troubleshooting, and user connectivity support. Administered IT infrastructure including Cisco switches, routers, and servers; installed and supported Windows 10/11 systems. Installed and configured Cisco layer 2 and layer 3 switches (3550, 3660, 4500 series) ensuring optimal network performance. Experienced in deploying, configuring, and managing Grandstream VoIP systems, including UCM IP PBX, SIP trunks, IP phones, and troubleshooting VoIP networks. Managed IT service desk tickets, providing technical support via phone and email to end users.

Shifa International Hospital

Jan 2023 - Nov 2023 -10 months

Pakistan

Job Details:Maintained and administered all hardware, computer systems, and network servers to ensure stable and reliable IT operations. Diagnosed and resolved hardware/software issues, performed regular backups, and supported disaster recovery procedures. Installed and configured operating systems, applications, and computer components; monitored and maintained network connectivity. Acted as the primary point of contact for client support via phone, email, and chat, delivering timely and clear technical assistance. Documented technical issues and resolutions, ensuring follow-up and system functionality post-troubleshooting. Maintained accurate procedural documentation, reports, and provided feedback to customers while coordinating with internal departments.

Trillium

Jul 2021 - Dec 2022 -1 yr, 5 months

Pakistan

Job Details:Monitored and analyzed security events using IDS and SIEM tools to identify intrusions and malicious activity. Conducted log analysis in Splunk and reviewed firewall, DNS, email, and web logs to investigate threats and mitigate attacks. Investigated phishing emails, malicious domains/IPS using open-source intelligence (OSINT), and recommended blocking actions. Used antivirus monitoring tools (MCAFEE, Trellix) to assess and update endpoint protection. Performed vulnerability assessments using Nessus and Nmap; coordinated with teams to patch and remediate findings. Identified and ingested indicators of compromise (IOCs) such as malicious IPs and URLs into network devices and applications. Recommended tuning and improvements to reduce false positives and enhance overall detection capability. Stayed current with emerging threats and vulnerabilities to proactively improve the organization’s security posture. Monitored and responded to reported spam and phishing incidents. Provided incident response for security events including phishing, ransomware, DoS/DDoS attacks; executed containment, mitigation, and recovery procedures. Collaborated with internal teams to analyze impact, block malicious indicators, and document findings for post-incident review.