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With 10+ years in network infrastructure and security, I help businesses resolve the issues that stop daily operations: failed VPNs, blocked firewall traffic, unstable branches, cloud connectivity and VoIP/SIP problems. My focus is simple: find the actual root cause, restore services with minimum disruption, and avoid risky trial-and-error changes on a live network. I have supported enterprise, government, data centre and multi-site business networks using Fortinet, Cisco and other leading firewall platforms, with hybrid connectivity across AWS, Microsoft Azure and Google Cloud. My "Zero-Risk" Methodology Many engineers rely on "guess and check" troubleshooting. I don't. I never make blind changes on a live production network. Before altering your setup, I map your current design, analyze your routing, and review firewall policies. I always pull backups, engineer a rollback plan, and execute controlled, fully documented changes. My goal is permanent stability, not temporary patches. Core Expertise & Outcomes Delivered: Firewall & Threat Management: FortiGate, Cisco, UniFi, and MikroTik. (Comprehensive policy audits, legacy rule cleanup, and strict hardening). Complex VPN Troubleshooting: Site-to-Site, Remote-Access, IPsec, and SSL VPNs. If your tunnel is unstable or failing, I will stabilize it. Cloud & Hybrid Infrastructure: AWS (VPC, Security Groups), Microsoft Azure (VNet, VPN Gateway, NSG), and Google Cloud. I build secure, seamless office-to-cloud and cloud-to-cloud bridges. VoIP/SIP Optimization: Resolving SIP registration failures, NAT traversal bugs, one-way audio, and call drops using precise QoS, Voice VLANs, and Cisco CUBE support. Advanced Routing & Switching: SD-WAN deployments, dual-ISP failover, VLANs, and comprehensive LAN/WAN/Wi-Fi troubleshooting. How We Can Partner: Emergency Troubleshooting: Rapid isolation and resolution of critical connectivity, routing, or security failures affecting your users. Network Health & Security Audits: Deep-dive reviews to identify vulnerabilities, clean up messy configurations, and provide actionable security roadmaps. Infrastructure Setups & Migrations: End-to-end planning for new branch offices, secure remote work environments, and physical security networks (CCTV/Biometrics). Retained Network Support: Dependable, on-demand escalation support for internal IT teams, MSPs, software companies, and business owners. My core technical experience includes: • FortiGate configuration, migration and troubleshooting • Cisco routers, switches, Firewall, Firepower, Voice Gateway and CUBE • Fortigate, Fortinet, Mikrotik, • IPsec, SSL and remote-access VPNs • Site-to-site VPN and multi-site connectivity • SD-WAN, dual-ISP failover and policy-based routing • VLANs, routing, NAT, DHCP, DNS and LAN/WAN troubleshooting • Firewall policy review, cleanup and security hardening • Wi-Fi, office connectivity and branch network support • AWS VPC, routing, security groups, VPN and hybrid access • Azure VNet, NSG, VPN Gateway, peering and hybrid connectivity • Google Cloud VPC, firewall rules, VPN and network access • SIP, NAT traversal, RTP, one-way audio and call-drop issues • Voice VLANs, QoS and firewall policies for voice traffic • Network diagrams, documentation and handover notes Where access permits, I take a backup, confirm the rollback plan, make controlled changes, test the traffic flow and document the result. This is especially important on production firewalls, remote branches, VPN tunnels and voice networks, where one quick change can affect another service. Let’s Secure Your Network Whether you need a one-time emergency fix, a comprehensive security audit, or ongoing support, I am here to help. Please share: Your primary firewall/hardware vendor and model. The exact issue or project scope (and any recent changes made). The number of sites or users affected. Once I understand your exact setup and the business impact, I will provide a clear, safe plan of action to get your network running flawlessly.

I am a Network & Security Subject Matter Expert (SME) with 12+ years of hands-on experience in enterprise network architecture, security design, planning, and end-to-end implementation. I help organizations design secure, scalable, and high-performing network infrastructures across on-prem, hybrid, and cloud (Azure) environments. I’ve delivered multiple enterprise programs for customers across different industries, including Del Monte, Subaru, Enercare, Bank of America, and CenturyLink, supporting initiatives like modernization, secure access transformation (ZTNA/SASE), segmentation, firewall migrations, and cloud network deployments. My strength is bridging architecture + real implementation—I don’t just design diagrams; I also deliver working solutions, documentation, migration plans, and operational handover. Core Expertise Network Security Architecture: design, implementation, hardening, and migration planning Enterprise Network Design: segmentation strategy, routing/switching architecture, high availability, resiliency SASE / Zero Trust: Zscaler ZIA, ZPA, ZDX end-to-end deployments and troubleshooting. Netskope SASE Realtime Protection, SSL Decryption, Web filtering, and troubleshooting. Azure Networking: Azure Firewall, vWAN, ExpressRoute, hybrid connectivity, network security posture Load Balancing / ADC: F5 LTM, DNS — full lifecycle implementation Firewall Platforms: Cisco ASA, Cisco Firepower, Fortinet Firewall, Fortinet SD-WAN Wireless Enterprise: Cisco WLC 9800 end-to-end deployment CDN / Edge Security: Imperva CDN end-to-end implementation Tools & Technologies Zscaler: ZIA | ZPA | ZDX Firewalls: Fortinet (Firewall, SD-WAN), Cisco ASA, Cisco Firepower Cisco: Catalyst Switches, WLC 9800 F5: LTM, DNS Cloud (Azure): Azure Firewall, Azure vWAN, ExpressRoute Other: Network Segmentation, Secure Access Design, Enterprise Network Architecture, Imperva CDN What I can do for you on Upwork ✅ SASE / Zscaler deployment (ZIA/ZPA/ZDX) — design → rollout → validation → support ✅ Azure networking design & deployment (vWAN, ExpressRoute, Azure Firewall) ✅ Firewall migration & implementation (Fortinet/Cisco) with minimal downtime ✅ Enterprise network architecture (HLD/LLD), segmentation strategy, implementation roadmap ✅ Troubleshooting complex performance/security issues (routing, policies, tunnels, proxy, latency) ✅ Build project documentation: HLD, LLD, runbooks, cutover plan, rollback plan, SOPs Deliverables You’ll Receive Architecture diagrams (high-level and detailed) HLD/LLD documentation Implementation plan + cutover/rollback Configuration guidance / best practices Testing & validation checklist Knowledge transfer/handover documents If you need someone who can design like an architect and deliver like an engineer, I can help. Just FYI, I have a USA B1 Visa, So If any short-term onsite business requirment I can travel there.

🛡️ CCIE-Certified Network & Security Expert | 15 Years Experience Your network infrastructure is your business backbone. I make it bulletproof. Enterprise-grade solutions for security, cloud, and wireless—delivered fast, right, and with 14 days FREE post-deployment support. ⚡ WHAT I SOLVE FOR YOU 🔐 Network Security Breaches → Multi-layered firewall architecture that stops threats ☁️ Complex Cloud Migrations → Seamless AWS/Azure deployments with zero downtime 📡 WiFi Dead Zones → Professional site surveys + enterprise wireless that works everywhere 🏢 Data Center Buildouts → From concept to live deployment for any organization size 🔄 Network Performance Issues → Advanced troubleshooting that finds and fixes root causes 🏆 ELITE CERTIFICATIONS ✅ CCIE Security (Cisco's Top-Tier Expert Certification) ✅ Fortinet NSE8 (Network Security Expert) ✅ JNCIP (Juniper Networks Certified Internet Professional) ✅ JNCIS (Juniper Networks Certified Internet Specialist) ✅ CCNP Routing & Switching ✅ CWNP Certified Wireless Network Professional ✅ Azure for Network Architects 🔥 FIREWALL & SECURITY PLATFORMS Fortinet (NSE8 Certified) 🔸 Models: FortiGate 400F, 200F, 100F, 80F, 60E 🔸 Management: FortiManager, FortiAnalyzer 🔸 Features: HA, SD-WAN, IPS, UTM, Web Filtering, App Control Juniper (JNCIP/JNCIS Certified) 🔸 Models: SRX 550, 345, 1500 🔸 Features: Zoning, Clustering, Auto-Failover, Traffic Engineering Cisco 🔸 Models: ASA 5515, Meraki MX, FTD 2000/4000 🔸 Full lifecycle: Design → Deploy → Manage Other Platforms 🔸 Sophos | SonicWall | WatchGuard | Arista | UniFi 🌐 VPN EXPERTISE ✔️ IPSec Site-to-Site VPN ✔️ SSL/Remote Access VPN ✔️ OpenVPN Deployment ✔️ Cloud VPN (AWS & Azure integration with BGP) ☁️ CLOUD INFRASTRUCTURE (AWS & AZURE) AWS 🔹 VPC Design & Security Groups 🔹 Site-to-Site VPN with BGP 🔹 Transit Gateway & VPC Peering 🔹 Route53, ELB, CloudWatch Azure 🔹 Virtual Networks & VPN Gateway 🔹 Azure Firewall & Active Directory 🔹 SAML 2.0 Integration 🔹 Blob Storage & Network Security Groups Cloud Firewalls 🔹 Fortinet & Juniper Virtual Appliances 🔀 ADVANCED ROUTING & SWITCHING Routing Protocols ✳️ BGP (eBGP/iBGP) | OSPF | Route Redistribution ✳️ Policy-Based Routing | QoS | Traffic Shaping ✳️ Internet Load Balancing | Performance-Based Routing Switch Platforms ✳️ Cisco: Catalyst 3850, 3750, 9300 Series ✳️ Juniper: EX 3400, 4600 ✳️ Fortinet: FortiSwitch Series ✳️ Brocade: ICX 7450, 7550, 7100 ✳️ Others: Aruba, HP, UniFi 📡 ENTERPRISE WIRELESS SOLUTIONS Site Survey Tools 📶 Ekahau | NetSpot (RF planning & heat mapping) Wireless Platforms 🔷 Ruckus: ZoneDirector 3000/1205, Virtual SmartZone, Cloud, Analytics 🔷 Cisco: WLC 3501, Aironet AP 4800 🔷 Juniper Mist: AP33, AP43 with AI-driven insights 🔷 Aruba: Controllers 7x Series, Aruba Cloud 🛠️ Advanced WiFi Troubleshooting: RF interference, roaming, capacity optimization 🏗️ WHAT I BUILD & OPERATE FOR YOU Complete Network Lifecycle Management 🏢 Greenfield Deployments → Building your network from absolute zero 🔧 Brownfield Transformations → Modernizing existing infrastructure 📏 Any Scale, Any Stage: ├─ Startups (5-50 users) ├─ Mid-Market (50-500 users) └─ Enterprise (500+ users, multi-site) Full-Stack Services 🎨 Design Phase ✦ Network architecture blueprints ✦ Security framework planning ✦ Scalability & redundancy design ✦ Vendor selection & cost optimization ⚙️ Deployment Phase ✦ Hardware installation & configuration ✦ Security policy implementation ✦ Testing & validation ✦ Staff training & documentation 📊 Operations Phase (24/7/365) ✦ Managed NOC Services → Round-the-clock network monitoring ✦ Managed SOC Services → 24/7 security operations & threat response ✦ Structured SLA Framework → Guaranteed response & resolution times ✦ Proactive Maintenance → Issues fixed before they impact you ✦ Dedicated Team → Expert engineers assigned to your infrastructure Why Choose Managed Services? 💰 Cost-Effective → Less than hiring full-time network staff ⏰ Always Available → No gaps in coverage, no vacation downtime 🎓 Expert Knowledge → Access to CCIE-level expertise 24/7 📈 Predictable Budgeting → Fixed monthly costs with SLA guarantees 💎 MY CLIENT GUARANTEE 🎁 14 Days FREE Support after deployment 🚀 Fast Response Times within business hours 📋 Complete Documentation for every project 💬 Clear Communication in non-technical language 🎯 Solutions That Scale with your business growth ✅ PERFECT FIT PROJECTS ✔️ Network security audits & hardening ✔️ AWS/Azure cloud migrations ✔️ Enterprise data center setup ✔️ Wireless network deployment ✔️ SD-WAN implementation ✔️ Firewall policy optimization ✔️ VPN setup & troubleshooting ✔️ High-availability architecture 🚀 LET'S TALK Got a network challenge? I've solved it before. Click "Invite to Job" and let's discuss your specific needs. I'll provide a clear roadmap to success. Network Security | CCIE | Fortinet NSE8 | Juniper JNCIP | AWS | Azure | Firewall | VPN | SD-WAN | Wireless | Ruckus | Cisco | Data Center |

CCSE, ITILv3 , Fortinet NSE4 CCNP R&S,CCNP Security. In the last 15 years, I have been working on various network products and have gained comprehensive experience in Cisco, Fortinet, SonicWall, Checkpoint, HP, F5, Trellix (McAfee) ENS/EDR technologies. I have been involved in the design, configuration, and troubleshooting of Network products. Firewalls: Cisco ASA & Cisco Firepower Fortigate UTM Firewalls Checkpoint management servers & Security Gateways. SonicWall TZ & NSA UTM Firewalls Pfsense Firewall ZTNA FortiClient ZTNA & FortiClient EMS. Load Balancers: F5 BIG-IP Application Delivery Controllers Radware Application Delivery Controllers Array Application Delivery Controllers Fortinet Application Delivery Controllers. Routers: Cisco, Arista, HP Switches: Cisco Catalyst Cisco Nexus N5K & N9K HP Switches Wireless Controller & Access Points: Cisco WLC, Aruba WLC Unify WLC Meraki Endpoint Security Trellis (McAfee) ENS & EDR

I aspire to contribute to an organization that recognizes my strengths, enhances my skills, and fosters professional growth in the field of networking. With around 10 years of experience in the IT industry, I bring expertise in networking, wireless technologies, security, and SD-WAN. As a versatile and adaptable professional with over a decade of experience in the private sector, I have extensive hands-on knowledge of routers, switches, firewalls, and a broad range of networking solutions. My technical proficiency covers Cisco Nexus Switches, Cisco Meraki devices, Cisco Wireless, Cisco Prime, Cisco WAAS, Aruba Wireless, Aruba ClearPass (CPPM), Aruba Central, Aruba Gateway, Palo Alto Firewalls, Panorama, Prisma SD-WAN, Fortinet products (FortiGate, FortiSwitch, FortiAP, FortiExtender, FortiManager, FortiAnalyzer, FortiCloud), F5 BIG-IP, Silver Peak SD-WAN, Ubiquiti UniFi solutions, Cradlepoint, VMware Cloud, OpsRamp, MS Visio, ServiceNow, and various network-related projects. I am a dedicated, motivated, and adaptable professional with a positive attitude, strong problem-solving skills, and a commitment to maintaining high professional standards. My ability to quickly grasp new technologies, communicate effectively, and take on challenges allows me to work independently or as part of a team. Technical Expertise Routing OSPF, EIGRP, eBGP, iBGP, VRF, Static & Dynamic Routing, Cisco Routers, Cisco Meraki Appliance, Cisco WAAS, Ubiquiti UniFi Gateway Switching VLANs, Port Security, Trunking (802.1q), EtherChannel, VTP, STP, MST, RSTP, PVST Inter-VLAN Routing, CEF, HSRP, VRRP, GLBP, PoE, SPAN, MAC Table, VSS, vPC, Flex-Link Cisco Catalyst & Nexus Switches, Cisco Meraki Switches, Ubiquiti UniFi Switches Security Policy-based & Route-based VPN, AAA, ACLs, Cisco ASA, FortiGate, Palo Alto Firewalls, Sophos Firewalls Panorama, Aruba CPPM, Aruba Gateway, Cisco Meraki Firewall (L2/L3 Security), NAT, SD-WAN IP Source Tracking, OpenVPN, pfSense Firewall, UniFi Gateway Wireless Cisco Wireless LAN Controller (WLC), Cisco Prime, Cisco DNA, Cisco Meraki, Aruba Central Aruba WLC, Aruba CPPM, WLAN, Cisco AP, Cisco Meraki AP, Aruba AP, Mist AP, UniFi AP Network Monitoring & Tools ServiceNow, OpsRamp, Remedy, JIRA, ScienceLogic, SolarWinds Certifications & Professional Qualifications Cisco Meraki Solutions Specialist (ECMS) CCIE Enterprise Infrastructure Managing Campus Networks with Aruba Central Cisco Meraki Network Associate (CMNA) Aruba Mobility Fundamentals Palo Alto Networks Certified Network Security Engineer (PCNSE) NSE 1/2/3/4 Network Security Associate Silver Peak Technical Sales Professional, Silver Peak SD-WAN Cisco Certified Network Associate (CCNA) Firewall Vendors: Cisco (Cisco ASA, Firepower, Meraki MX) Palo Alto Networks (PA-Series, Prisma Access, Panorama) Fortinet (FortiGate, FortiManager, FortiAnalyzer) Check Point (Quantum Security Gateway, Harmony) Sophos (XG Firewall, SG UTM) WatchGuard (Firebox Series) SonicWall (NSA, TZ Series) Juniper Networks (SRX Series) Barracuda (CloudGen Firewall) Zscaler (Cloud Security) Forcepoint (Next-Gen Firewall) Hillstone Networks (A-Series, X-Series) Huawei (USG Firewall) Sangfor (NGAF – Next-Gen Application Firewall) F5 Networks (BIG-IP Advanced Firewall) McAfee (Trellix) (Network Security Platform) Cyberoam (UTM Firewall) Netgate (pfSense) Ubiquiti (UniFi Security Gateway) DrayTek (Vigor Security Firewalls) Lancom (R&S Unified Firewalls) GajShield (Next-Gen Firewall) Versa Networks (SASE & SD-WAN) Cato Networks (SASE) Hillstone Networks (Next-Gen Firewall) OPNsense (Open-source Firewall) Clavister (Secure SD-WAN & Firewalls) ZYXEL (ATP, VPN, USG FLEX Firewalls) Perimeter 81 (Cloud Firewall & SASE) Networking Vendors Cisco (Catalyst, Nexus, ISR, ASR, Meraki) Aruba (HPE) (Aruba Central, ClearPass, Instant APs, Switches) Juniper Networks (EX, QFX, MX Series) Extreme Networks (Summit, VSP, Fabric) Hewlett Packard Enterprise (HPE) (FlexNetwork, Aruba Switches) Brocade (Now Broadcom) (ICX, MLX Series) Ubiquiti (UniFi Switches, Dream Machine, EdgeMax) MikroTik (RouterBOARD, Cloud Core Router, Switches) Dell EMC Networking (PowerSwitch, VxRail) TP-Link (Omada, JetStream Switches) Huawei (CloudEngine Switches, NetEngine) Netgear (ProSAFE Switches, Orbi, Insight Managed) Nokia Networks (Service Routers, AirScale) Zyxel Networks (Nebula, GS Switches) Ruckus Networks (CommScope) (ICX Switches, SmartZone) Ciena (Blue Planet, Adaptive Networks) Broadcom (StrataXGS Switches, Tomahawk) Arista Networks (CloudVision, EOS Switches) Radware (Alteon Application Switches) Cradlepoint (NetCloud SD-WAN, Wireless Routers) Silver Peak (HPE) (SD-WAN EdgeConnec Silver Peak (HPE) (SD-WAN EdgeConnect) Cato Networks (SASE & SD-WAN) Versa Networks (SD-WAN, Secure Networking) With my extensive experience and deep technical expertise, I am confident in my ability to deliver effective networking, security, and cloud solutions while continuously adapting to new technologies and industry trends.

Highly experienced Network Engineer with over 7 years of experience in designing, implementing, and managing complex network infrastructures. My core area of expertise is in Cisco networking technologies, where I have gained extensive knowledge and hands-on experience in various Cisco products and solutions, including routers, switches, firewalls, and wireless networks. In my previous roles, I have worked on a variety of projects, including network design and implementation, network security, and network troubleshooting, and have been involved in all stages of the project lifecycle, from planning and design to implementation and maintenance. My technical skills include network design and architecture, routing and switching, VPNs, firewalls, wireless networks, network security, and network monitoring and management. I am also well-versed in industry-standard protocols and technologies such as TCP/IP, BGP, OSPF, SNMP, and VLANs. I have a strong commitment to delivering high-quality work and ensuring customer satisfaction. I am a great communicator and can work effectively with cross-functional teams, stakeholders, and customers. If you are looking for a highly skilled and experienced Network Engineer with expertise in Cisco, I would be happy to help you with your project.