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Network Engineer & Architect with 6+ years of experience designing, deploying, and securing enterprise, data center, and cloud networks. CCNP & MCSA certified, delivering high-availability, cost-efficient, and secure network solutions. Hands-on expertise with Cisco, Huawei, Juniper, MikroTik, Dell, HP, Ruckus, and UniFi networks, along with firewalls including Palo Alto, Fortinet, Sophos, and Cisco ASA. I help businesses design, secure, and optimize enterprise and cloud networks. From network design and firewall configuration to VPN setup and complex troubleshooting, I solve your challenges quickly and professionally, ensuring your systems run smoothly and securely. Certifications: - Cisco Certified Network Professional (CCNP) - Cisco Certified Network Associate (CCNA) - Microsoft Certified Solutions Associate (MCSA) Tools: - Nagios - Cacti - OpManager - Zabbix - PRTG Network Monitor - Solar Winds NPM - Packet Tracer - GNS3 - EVE-NG - Microsoft Visio - Lucidchart

Senior Network Engineer specializing in Juniper and Cisco networks, with hands-on experience across ISP, telecom, enterprise, broadband, wireless, and data center environments. I help businesses and network teams design, configure, troubleshoot, and implement reliable network solutions — from enterprise networks and wireless infrastructure to large-scale service-provider environments. Areas I Can Help With • Network Design & Troubleshooting — Enterprise, ISP, Telecom, Broadband, Wireless & Data Center • Juniper & Cisco — MX, QFX, EX, SRX and Cisco enterprise/service-provider platforms • Enterprise Wireless & Access Points — Wireless LAN, Access Point deployment, configuration, troubleshooting, RF/connectivity issues and enterprise Wi-Fi infrastructure • Juniper Mist — Mist Cloud, AP deployment and configuration, wireless troubleshooting, WLAN configuration, monitoring, client connectivity analysis and network visibility • Routing & MPLS — BGP, OSPF, IS-IS, MPLS, L3VPN, VRF, LDP and routing policies • BNG & Broadband — BNG, PPPoE, IPoE, CGNAT, NAT64, IPv4/IPv6 and subscriber networks • EVPN & Data Center — EVPN/VXLAN, EVPN-VPLS, VPWS, VXLAN and Leaf-Spine networks • Multicast & MVPN — PIM, IGMP, Multicast, MVPN and multicast troubleshooting • AAA & Subscriber Services — RADIUS, AAA, subscriber authentication and IP address management • Network Implementation — Network optimization, Proof of Concept (POC), migration, commissioning and production support I have hands-on experience commissioning large-scale Juniper ISP deployments, including 17 MX960 routers for an IPoE CGNAT upgrade and 20 MX960 routers for a BNG/CGNAT hardware upgrade. I hold JNCIP-SP, JNCIP-ENT, JNCIP-SEC, and JNCIP-DC certifications and focus on delivering practical, reliable solutions that work in real-world production environments. Whether you need help troubleshooting a network issue, configuring Juniper or Cisco equipment, deploying enterprise wireless and access points, managing Juniper Mist, designing an enterprise or ISP network, or implementing a complete network solution, I can help.

Am a CCIE#26611 with extensive experience in Routing & Switching, Security, Datacenter, Virtualization, Public Cloud, Artificial Intelligence Network Skills & Agentics, Programmability & Automation. Am delivering unique & absolutely different service for the below technologies: * SDN Datacenter: Cisco ACI, VMware NSX, Nutanix Flow, Arista. * SDN Storage: Nutanix HCI, VMware VSAN. * SDN Access: Cisco DNA, LISP Implementation, Cisco Spaces, Cisco ISE, PacketFence. * SDN WAN: Cisco SDWAN, VMware VeloCloud, SilverPeak, PaloAlto SDWAN, FortiGate SDWAN, Meraki. * Programmability & Automation Controllers: Python & API tools to automate business intent & workflows within networks, Ansible, Chef, NSO, Terraform, OpenShift, AI network skills. * Monitoring Applications: Zabbix, SolarWinds, Home Made Custom Tools, Nmap, Packet Tracer (Wireshark), Splunk, Wazuh, ContraForce, ServiceNow and much more. * Routing & Switching and Wireless Technologies: Cisco, Mikrotik, Juniper, FS, Arista, HPE, Huawei. * Security: Cisco, PaloAlto, Meraki, FortiNet, Ubiquiti, VMware MDM, Infoblox. * Datacenter, Cloud Computing, Cloud Native, Virtualization & HCI Solutions. * Public Cloud: Design, Setup & Administer Tenants on AWS, Azure, GCP & OCI. * Micro-segmentation & Containerized Applications: Docker, Kubernetes. * API Gateways & Swagger Documentation. * Python Scripting for DevOps, SecOps, NetOps & I network skills. * Technical Writing & Documentation. Please refer to my LinkedIn account aossama. Certifications: * CCIE Enterprise CCIE#26611. * Cisco CCNP DevNet. * Cisco CCNP Enterprise. * Cisco CCNP Datacenter. * Cisco ACI Certified Specialist.

I'm the Level III IT consultant who works for other MSPs and IT consultancies — the senior hand you bring in for the hard problems junior techs escalate: network redesigns, cybersecurity hardening, server migrations, and emergency triage. 30+ years in the trenches, U.S. Navy trained, Top Rated with a 100% Job Success score. Based in the Chicago area / Northwest Indiana, with remote and on-site coverage nationwide. Where I go deep: - Networking & Security: Design, configure, and secure networks with SonicWall, Fortinet, Cisco/Meraki, UniFi/Ubiquiti, TP-Link Omada, and Netgear — firewalls, VLANs, VPNs, 2FA/MFA, site-to-site bridges. - Servers & Hosting: Nearly 30 years of cPanel/WHM, DNS, POP3/IMAP, Microsoft 365, and Google Workspace; Apache/PHP/MySQL on RHEL/CentOS/AlmaLinux for reliable hosting and maximum uptime. - Systems & Cloud: Windows Server 2025, Windows 11, Linux, and macOS; Azure/Hyper-V virtualization and AWS/GCP deployments — from design through deployment and ongoing operations. - Microsoft Stack: Microsoft 365 administration and migration, Entra, Intune, and Active Directory Group Policy. Industry experience: HIPAA-compliant IT for medical/dental, Dealer Management Systems for automotive groups, secure corporate networks, and structured wiring and access control for warehouses. How I work: Precise and methodical. Project-based engagements first, hourly for smaller targeted work. I bring clear status updates and a bias toward documenting what I change, so the next person — internal or external — can pick up where I left off. I coordinate across internal IT teams, third-party vendors, and contract boards when an engagement requires it. Background: Self-taught IT professional since 1997; U.S. Navy Aircrewman, Patrol Squadron 26 (VP-26), 1990–1995, earning a Navy Achievement Medal for technical expertise on a classified surveillance system. Network Operations Center engineer at eSignal/Interactive Data, 2000–2007. Founded Ateki LLC in 2002. If you need a senior consultant who can redesign a network, harden security, migrate a server room, or own the escalations your team is stuck on — and who shows up, communicates, and documents — let's talk about your project.

I optimize technical systems and resolve challenges with over 13 years of hands-on experience in field technology. As a Trip Optimizer Field Technician, I specialize in troubleshooting 4G wireless issues, and installing, upgrading, and repairing network systems, PCs, POS, VOIP, and security monitoring solutions. My strong technical and mechanical aptitude enables me to effectively tackle complex problems and enhance operational efficiency. I have successfully collaborated with various companies, ensuring optimal functionality and client satisfaction. If you need a skilled technician who excels in system optimization and is dedicated to exceeding client expectations, I am here to elevate your project and deliver exceptional results. Let's discuss how I can contribute to your team's success.

Sr. Network Engineer | MSP Owner | Wi‑Fi Design (Ekahau) | Microsoft 365 | VoIP | CCTV I’m a Senior Network Engineer with 15+ years of hands‑on experience installing, configuring, monitoring, and troubleshooting network infrastructure across medical, financial, hospitality, retail, and airline environments. I bring a rare mix of deep technical skill, field experience, and calm, professional communication—especially during high‑pressure cutovers and outages. As the owner of Zorro Link LLC, I support multi‑site businesses across California with enterprise‑grade network engineering, structured cabling, Wi‑Fi design, Microsoft 365 email deployments, VoIP systems, and security camera installations. Core Strengths Network installation, configuration, and troubleshooting Wi‑Fi design & validation using Ekahau Microsoft 365 email setup, migration & administration VoIP deployment (3CX, PBX, SIP, CUCM) System migrations & integrations Reporting, documentation, and client communication Backup, failover, and continuity solutions Calm, patient problem‑solving during critical incidents Network Engineering & Infrastructure Set up and configured routers, switches, firewalls, servers, and workstations Assisted remote teams with successful corporate network cutovers Tested and activated LAN/WAN circuits, broadband, and fiber connections Installed and supported Cisco, HP, Dell, Fortinet, SonicWall, UniFi, Aruba, Juniper Performed structured cabling, cable management, and rack‑and‑stack deployments Wi‑Fi Design & Ekahau Ekahau heatmaps, predictive design, and onsite validation AP placement, RF optimization, and interference mitigation Indoor/outdoor Wi‑Fi for warehouses, hotels, restaurants, and offices Microsoft 365 & Email Services Microsoft 365 tenant setup, domain configuration, DNS, MX/SPF/DKIM/DMARC Email migrations (IMAP, Exchange, Google Workspace → M365) User provisioning, security policies, MFA, and device management VoIP & Telecom 3CX, PBX, SIP trunking, CUCM, and VoIP endpoint configuration Network readiness testing for voice quality VLANs, QoS, and call‑flow optimization CCTV & Security Systems 10+ years installing IP cameras, encoders, DVR/NVR systems, surge protection Running analog/digital cabling, conduit, and structured pathways Camera mounting, NVR setup, and remote monitoring configuration Additional Technical Experience POS installation, PIN pad upgrades, pairing/IP configuration Media player installs, AV setups (100”–120” laser projectors) Gateway controllers, sensor calibration, freezer/restaurant IoT systems Decommissioning outdated equipment and documenting new deployments