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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.

New here so starting with a low rate CCIE Specialties: Cisco Security, FTD, ASA, Firepower, NGFW, NGIPS, ISE, Stealthwatch, OpenDNS, Fortigate, VPN, Linux, AWS cloud Security, Azure Security, PCI Compliance, Devsecops, Kubernetes, Docker, Guardicore workload protection, Segmentation, Network automation, SASE, Zero Trust, Nautobot, Netbox

I help teams design, debug, and deliver complex embedded and wireless communication systems—especially where real-time performance, reliability, and hardware-software integration are critical. With 30+ years of hands-on experience, I work directly in C/C++, FPGA (Verilog/SystemVerilog/VHDL), SDR pipelines, and RTOS/Linux systems—not just at architecture level, but through debugging, optimization, and final delivery. What I can help you with • SDR systems (GNU Radio, LiquidDSP) QAM, GMSK modulation, FEC, synchronization End-to-end RF/baseband pipeline development • FPGA design (Xilinx – Artix/Virtex) High-throughput, multi-channel systems Gigabit Ethernet packet processing (zero packet loss) Timing closure across multi-clock domains • Embedded & RTOS systems ARM Cortex (TI AM5728, NXP, STM32, etc.) Custom RTOS / Embedded Linux Performance tuning, low-latency systems • Wireless & networking systems MANET (Dynamic TDMA, AODV) DPI, packet analysis, protocol stacks PHY → MAC → Network layer integration Selected Work • Built dual Gigabit Ethernet FPGA system with zero packet loss and automatic failover • Developed MANET stack with dynamic TDMA on ARM Cortex-A15 • Designed SDR pipelines (QAM, GMSK, FEC) using GNU Radio • Implemented multi-channel FPGA communication systems (Artix-7, high-speed parallel data) • Created custom RTOS with scheduler, IPC, and IEEE-754 support How I typically engage • Debugging difficult system issues (performance, packet loss, timing, SDR instability) • Developing complete subsystems (FPGA / SDR / embedded firmware) • Supporting teams with architecture + hands-on execution If your system involves real-time constraints, wireless communication, or FPGA acceleration, I can help you move from prototype → stable working system. Feel free to reach out—even if you just need help diagnosing a problem