Usama S.

✅ 5+ Years Securing & Managing Complex IT Systems Hi, I'm a Network & System Administration specialist with deep expertise in infrastructure security, firewall configuration, server hardening, and network troubleshooting. I’ve helped companies across industries secure their systems, streamline their networks, and ensure uptime-critical environments. 🔧 What I Do Best: Network design & setup (LAN/WAN, TCP/IP, DHCP, DNS, VLANs) Server management ( Windows Server, Active Directory) Remote IT management, Clustering and virtualization, Firewall configuration (pfSense, Ubiquiti, Cisco ASA, Fortinet) VPN & remote access (OpenVPN, IPsec, WireGuard) Security audits & patching Intrusion detection/prevention (IDS/IPS) Cloud infrastructure (AWS, Azure, GCP) Microsoft Office365 expert, DKIM, SPF MX RECORD 🛡️ Security-Focused Approach I take a proactive stance on system security—auditing configurations, patching vulnerabilities, and implementing best practices to prevent breaches. Let’s keep your systems fast, secure, and reliable. I’m ready to discuss your project—just send a message. IT Certifications I have, Certified Network Administrator/ Enterprise Ubiquiti/Unifi Network Expert Certified Systems Engineering Expert Certfied End-Point Security Specialist I have deep understanding of the Following tools and Technolgies. Connectwise Manage Expert, Screenconnect Expert. Connectwise implementor. Synology NAS Zoom Phone and Zoom Desktop Phone Expert Email Protection and Email Delivery Specialist, Hyperv, VMware, Vsphere, GCP, AZURE,AWS Expert. Certified IT Support Specialist/Cyber Security Consultant Certified Network Security Expert (Home / Business), VAPT Certified System Security Expert. Certified HelpDesk Support Specialist Microsoft Azure Certified, Microsoft365/Azure EntraID Network Security Certified Network Security and deployment Consultant Domotz Expert/ Synology consultant Fortigate Certified Sonicwall, Ubiquiti. Unifi/Ubiquiti Expert Hands on Experience on: Microsoft Exchange Online Windows 10 Administration Server Administration Experr Windows 11 Administration Remote IT Management/ VPN management Windows Server Administration Expert Domain Migration Microsoft Outlook Network Equipment consultation Server Virtualization Microsoft Windows Powershell Microsoft Active Directory Office 365 DNS DHCP Zendesk trainer, EDR, XDR, Connectwise Admin, CWRMM, Sentinal one Azure Sentinal. Fortinet, Cisco, Network monitoring Expert, Veeam Backup Specialist(Cloudberry, SPX) HIPPA complaince certified, PCI DSS accessor, PCI DSS complaince Expert. Having Certs (NSE1, NSE2, NSE3) ,CCNA, CCNP(training) Crowd Strike Deployment, TrendMicro deployment. i have worked Closely on Network Design Network security OWASP mitigation System Hardening System Security Network Optimization Server administration Server Migrations Network troubleshooting Firewall Configurations Backup policies / configurations. Desktop support. Cloud management Failover clustering Deployment and Management (Windows Server 2019, 2016, 2022). System security Solutions and Deployment. System Hardening. Hands on experience on Cisco Switches(CCNA CCNP LEVEL) and SonicWALL's + Fortigate firewalls, QNAP , QSAN, SYNOLOGY, Buffalo NAS, During My freelancing career i have worked on multiple projects like Network Designs solution deployment across the organization and on top of it have hands on Experience of vendor Management and have know how towards the TrendMicro and Crowd Strike. Setting up IT office were the main procedures during my Job Tenures and also Veeam backup deployment across the organization. EDR, MDR AWS AZURE Specialist. Experience in QNAPS, Synology, Virtualization Expert, Hyper V. Hands on Experience for providing Remote IT Support to multiple clients. Managjng Networks servers plus Security configurations. Hypervisor Expert, Remote IT tools complete Hands on Experience, vpn Expert wiregaurd, openvpn, NAS Expert. Ping me If you require Any sort of Assistance,