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Network & Security Engineer (CCNP) | Network Administration | MikroTik (MTCNA) | Fortinet | pfSense | VPN | Firewall | Monitoring | IT Support | Windows server I help businesses design, troubleshoot, and secure reliable networks so operations stay stable and risk stays low. I’m a hands-on Network & Security Engineer with 9+ years of experience delivering real-world solutions across Cisco, MikroTik, Fortinet, pfSense, VPNs, and monitoring. I focus on scalable, documented, long-term fixes (not temporary patches), and I communicate clearly throughout the project. What I can help you with • Network Design & Troubleshooting (LAN/WAN/Wi‑Fi): routing, switching, VLANs, inter-VLAN routing, performance tuning, site-to-site connectivity • Firewall Setup & Hardening: Fortinet / pfSense / Cisco ASA, NAT, security policies, segmentation, best practices • VPN Setup: IPsec / SSL / Site-to-Site / Remote Access, user access control, multi-site tunnels, secure remote work • MikroTik RouterOS Services: routing, firewall, bandwidth/QoS shaping, ISP/WISP setups, wireless optimization, network troubleshooting • Server & Virtualization Support: Windows/Linux administration, VMware / Hyper‑V (support, integration, migrations) • Cloud Support: AWS / Google Cloud (GCP) connectivity, migration support, hybrid networking • Monitoring & Alerts: PRTG / Zabbix, dashboards, alerts, proactive issue detection Example results delivered • Ransomware recovery + security hardening: recovered 91% of encrypted files and implemented protective controls • Multi-site network (50+ employees): reduced downtime 87% and saved $15,000/year through optimized architecture • Secure VPN rollout (3 countries): enabled remote work for 30+ users across multiple locations How I work • Quick assessment → clear plan → controlled changes → testing → full documentation • Secure-by-default approach and clean, maintainable configurations • Available for one-time projects, ongoing managed services, and urgent troubleshooting Send me a short summary of your environment (devices, number of sites/users, ISP links, current issues/goals), and I’ll reply with a practical plan and next steps.

Top Rated Plus IT Professional with 15+ years of enterprise experience helping businesses design, troubleshoot, secure, and optimize networks, Microsoft 365 environments, Windows servers, VPNs, and cloud infrastructure. I have worked with leading organizations including Accenture, Hewlett Packard (HP), Cisco, and Australian Managed Service Providers such as BaseHost, MACIT, and Easy Internet Services, supporting businesses ranging from small offices to large enterprise environments. I specialize in helping businesses keep their IT infrastructure secure, reliable, and running efficiently through proactive support and practical solutions. Core Expertise Managed IT Services (MSP) Level 1–3 Help Desk Support Microsoft 365 Administration Active Directory & Entra ID Windows Server Administration Windows 10/11 & macOS Support User Onboarding & Offboarding VPN Configuration & Troubleshooting Printer & Peripheral Support Remote Desktop Support Email Migration & Administration Networking Cisco Routing & Switching Enterprise Wireless (Cisco & Aruba) VLANs, STP, OSPF, BGP VPN & Site-to-Site Connectivity Firewall Configuration DNS, DHCP & TCP/IP Cisco Meraki Network Troubleshooting Network Documentation Cloud & Infrastructure Microsoft 365 Exchange Online SharePoint Teams Intune Azure Fundamentals Google Workspace Virtual Machines Backup & Disaster Recovery Automation Python for Network Automation Ansible Network Monitoring Scripts Configuration Automation Operational Reporting Process Automation Services I Offer ✔ Microsoft 365 Administration ✔ Windows & macOS Support ✔ Active Directory & Entra ID ✔ Network Troubleshooting ✔ VPN Setup & Support ✔ Cisco Networking ✔ Firewall Configuration ✔ Python Network Automation ✔ WordPress Support ✔ Technical Documentation ✔ Remote IT Support

A CCNA&CCNP certified network and system specialist with 14+ years of experience in designing, configuring, troubleshooting, and documenting diverse IT scenarios for ISPs, enterprises and startups. I have extensive hands-on experience in managing and optimizing network infrastructures. Proven expertise in firewalls (Fortinet, SonicWALL, Sophos, PfSense), network switches (Cisco Catalyst, Nexus, HP, Ruckus, H3C, Ubiquiti), and access points (Cisco, Ruckus, Aruba, Ubiquiti/Unifi). Proficient in VPN, routing and switching, and various protocols from layer 2 to layer 7. Committed to delivering robust and secure network solutions. I have strong expertise in following: Routing & Switching Topology Design and Configuration Layer2 & Layer3 Protocols FortiGate Fortinet SonicWALL FirePro Firewalls Cisco ASA Cisco Switches, Access Points & Wireless Controller Cisco WLC 9800, 5508, 2508 Cisco Packet Tracer Ruckus Switches , Access Points and Wireless Controller HP Aruba Switches, Access Points, Wireless Controller H3C Switches, Brocade Switches Ubiquiti Unifi switches, Ubiquiti Unifi UDM Pro, Ubiquiti Unifi UDM-SE, Ubiquiti Unifi USG, Ubiquiti Unifi Access Points, Unifi Controller, Gateways, Cloud Key WAN Optimization and WAN Failover SDWAN Windows Server Administration DNS, DHCP, Group Policies Microsoft Active Directory, Microsoft Azure AD Microsoft Office365 Microsoft Hyper-V Linux Administration Zabbix CCTV Specialist - practical experience to a variety of camera types, including PTZ, Bullet, Dome, and Wireless IP cameras, sourced from reputable brands like: Hikvision, Dahua, Bosch security systems & Unifi cameras, etc.

Hi, I am Zahid Ali, An experienced and motivated Technical (System & Network Administration & Network Security) Person, accomplished in running Systems and Networks, IT Infrastructure, Disaster Recovery, and Technical support with 8+ years of Experience. I’m an adaptable and efficient technical person with excellent communication skills at all levels. Skills:-  Network Administration LAN, WAN, WLAN, NOC, IP Addressing & Subnetting.  Cisco, Huawei, H3C, Mikrotik and ADSL Routers Configurations.  Cisco, HP and TP-Link Switches Configurations.  Wireless Bridges and Devices Configurations with 2.4GHz and 5GHz frequencies and WLC Network.  Unifi Controller Configuration, Access Point Configuration, Management.  SSH, Telnet and.  VPN Configurations Site to Site, Remote Access and IPSec.  Routing and Switching Protocols RIP, EIGRP, OSPF, BGP, MPLS, and STP.  ACLs, Port Security, MAC Filtering and NAT, PAT Configurations.  Configuration of VLAN, VTP, Inter VLAN Routing with SVI Method.  Network Designing, Cabling and Rack Mounting for Network Devices and Servers.  Data Center Core Network Infrastructure Monitoring.  SolarWinds NMS Network Monitoring System.  Palo Alto, Fortigate, and PfSense Firewalls Configurations, Administration, and Logs Management.  VMware ESXI 6.5 Virtual Environment Configurations.  Windows Server Installations 2008, 2012-R2 and 2016.  DNS and DHCP Configurations.  Remote Desktop and Remote Assistance Support.  Installation of Operating Systems (Windows XP, 7, 8, 10 & 11).  PC troubleshooting & installation of any kind of Applications, and software.  Resolve Computer Hardware Issues, Installation and Configuration of Computer Peripheral devices.  Perform Vulnerability Assessments for Network Devices and Operating Systems.  Able to make any kind of LAN or Wireless Network environment.  CCTV Surveillance Setup Configuration, Hikvision, and Dahua NVR with 32 and 64 IP POE Cameras.  Team Management and Training.  MS Word, Excel, Powerpoint and Visio. I hope you will give me a positive response and will give me the opportunity to show my talent.

Experienced IT Support Specialist | System & Network Admin | Windows & Linux Expert Overview: 🚀 11+ years of IT Support & System Administration | Windows, Linux, Networking, Cloud I help businesses and professionals resolve IT issues fast, securely, and remotely. What I Can Do for You: • System Administration (Windows Server, Linux – Ubuntu, CentOS, Debian) • Network Administration (Ubiquiti, Cisco, MikroTik, firewalls, VPNs, routing/switching) • Technical Support & Troubleshooting (Desktops, laptops, printers, software) • Remote Support (via AnyDesk, TeamViewer, RDP, SSH, etc.) • IT Infrastructure Setup & Maintenance • Active Directory, DNS, DHCP, Group Policies • Data Backup & Recovery (including Synology NAS, cloud backup solutions) • Email Setup & Support (Microsoft 365, Google Workspace) • Cybersecurity Best Practices & Tools Deployment • Deployed and managed Azure Virtual Machines, Storage, and Virtual Networks • Integrated on-premises Active Directory with Azure AD for hybrid identity and SSO • Automated infrastructure provisioning using Terraform and ARM templates • Configured Azure Site-to-Site VPN and NSGs for secure hybrid networking • Implemented Azure Backup and Site Recovery for data protection and disaster recovery • Monitored system health using Azure Monitor, Log Analytics, and alerts • Secured secrets and certificates with Azure Key Vault • Built CI/CD pipelines using Azure DevOps and GitHub Actions • Automated administration using PowerShell and Azure CLI Tools & Platforms I Work With: • Windows 10/11, Windows Server • Linux (Ubuntu, Debian, CentOS) • VMware, VirtualBox, Hyper-V • Synology NAS, AWS, Azure • Network Monitoring Tools (Zabbix, Nagios, PRTG) • Remote Tools: AnyDesk, TeamViewer, VNC, RDP Why Work with Me? • Proven track record with educational institutes and corporate environments • Detail-oriented and proactive in solving issues • Excellent communication and documentation skills • Available for ongoing support or one-time tasks • 100% committed to client satisfaction and data security

👑 Expert Vetted - Top 1% of talent on Upwork ⭐️ Top Rated Plus - Highly rated for work on large projects 🎯 100% Job Success Score 🕒 3000+ hours on Upwork ✅ 14+ years of experience ✅ 50+ projects delivered ✅ Excelling in delivering Fortune 500-scale projects Over 13 years of extensive experience in Cloud Environment, Corporate Network, FinTechs and ISPs. In Summary, my credentials include, Cloud Expertise Amazon Web Services (EC2, S3, VPC, IAM, Security-Groups, DirectConnect, Transit Gateway, WAF etc) Oracle Cloud Infrastructure (VCN, Subnets, Route Tables, Compute, IAM etc) Google Cloud Platform (IAM, Compute Engine, Firewall, Partner Interconnect, VPN, VPC etc) Security: Cisco FMC, FTDs & ASA, Palo Alto Network Firewalls and Panorama, Fortinet, FortiManager, Fortigate Firewalls, F5 BigIP LTM WAF, IPSec & Remote Access VPNs, NGIPS, Threat Prevention, URL Filtering, Cisco ISE, Cisco DUO, TACACS & Radius Authentication, SIEM, Cortex XDR, Wazuh, Rapid7, Security Onion Routing: OSPF, BGP, MPLS, Policy Base Routing using Route Maps, TCP/IP, Layer 3 Redundancy (HSRP), IP Spoofing, Virtualization (VRF), IP SLA, NAT/PAT, GRE Tunnels. Switching: Nexus VPC, Cisco Stack, Catalyst VSS, VXLAN, Spanning Tree Protocol, EtherChannels (LACP, PAGP), Access-Maps. DevOps: Terraform, Ansible, Python, Git, BitBucket, Docker, Jenkins, Linux, Netbox, Wireshark PCNSE, PCNSA CCNA 200-120 CCNA Security 640-554 CCNP R & S