I’m a Network and Security Engineer with 4+ years of hands-on experience in designing, implementing, and troubleshooting complex enterprise networks. My journey includes deep technical expertise, sharp problem-solving skills, and a passion for keeping infrastructure secure, scalable, and efficient. What I Bring to the Table: • Deep experience with Cisco, Palo Alto, Fortinet, and Juniper devices • Network architecture and migration planning (Data Center, WAN, LAN, VPN, Cloud) • Firewall setup, policy optimization, and incident response • 24x7 Network Operations Center (NOC) monitoring and alerts • Network performance tuning and root cause analysis • Secure remote access solutions (IPSec, SSL VPNs, Zero Trust) • Familiarity with tools like SolarWinds, Wireshark, PRTG, Service Now, Jira and Zabbix • Data pipeline development and optimization using tools like Apache Airflow, Spark, and Kafka • Experience in building and maintaining ETL/ELT workflows for high-volume data ingestion, transformation, and storage • Hands-on with relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, Cassandra) • Cloud-based data engineering on AWS, Azure, or GCP (S3, Redshift, BigQuery, Data Factory, etc.) • Data security and governance practices ensuring compliance with standards (GDPR, HIPAA, SOC 2) • Automation and scripting for infrastructure and data workflows using Python, Bash, and SQL Let’s connect and discuss how we can support your business!

I am an experienced IT professional with over 10 years of hands-on experience and a flexible approach to work. Throughout my career, I have successfully completed numerous projects across different domains. Having worked for more than 3 years as a Network Engineer in a broadcasting company (Sports TV channel), I have also gained extensive expertise in live video production and post-production. I am proficient in media-related applications such as Adobe Premiere Pro, After Effects, Blender, vMix, Resolume Arena, and Aximmetry (Unreal Engine). Areas of expertise Firewalls Fortigate,Cisco ASA, Cisco Meraki, Draytek, MikroTik, Pfsense, IPCOP IPS: Snort, Suricata Email Gateways: Forti Mail, Symantec Bright Mail Gateway Storage : Synalogy, EMC, Thecus, HP SAN, Freenas, OpenFiler OS : Windows 2016 – 2008 R2, Redhat, Ubuntu Server, Centos, Windows 10 to 98 Servers : Active Directory, Windows and Samba File Servers, Web Server Apache IIS, DNS Servers, Zimbra mail Server, Terminal Server TSPLUS, Radius Servers, Networking : Cisco Routers Configurations, Cisco Switches Configurations, Configuring VPN IPsec Site to Site Video Production(Pre and Post); Adobe Premiere Pro, Adobe After Effects, vMix

Expert Network & Security Support | Cisco | Huawei | H3C | Fortinet | VPN Solutions I provide Level 2 network support for Cisco, Huawei, H3C, and multi-vendor network infrastructures, ensuring high availability, security, and scalability for enterprise and telecom networks. My expertise includes network troubleshooting, security configurations, VPN solutions, and disaster recovery planning to optimize and secure your network. Services I Offer: ✅ Network Support & Troubleshooting: Diagnosing and resolving routing issues (OSPF, BGP, IS-IS), VLAN misconfigurations, and network latency problems. Troubleshooting low power values, CRC errors, faulty hardware (power modules, fans), and link redundancy failures. Performing network health checks, root cause analysis (RCA), and proactive issue resolution. ✅ Network Design & Implementation: Designing scalable network topologies using MS Visio, E-Draw, and E-Draw Max. New node integration and service migration between network nodes. Planning and implementing link redundancy and disaster recovery strategies. ✅ Security & Firewall Configurations: Configuration and management of Palo Alto, Fortinet, pfSense, Cisco ASA, and Huawei Eudemon firewalls. Setting up firewall rules, IDS/IPS policies, NAT, ACLs, and Zero Trust security models. VPN Solutions: Implementing IPSec VPNs, SSL VPNs, and remote access VPNs for secure data transmission. ✅ Network Maintenance & Upgrades: Installing and upgrading firmware, patches, and licenses on routers, switches, and firewalls. Supporting wireless service migrations and configuring Wi-Fi security policies. Managing QoS policies, traffic shaping, and bandwidth optimization. I am committed to providing high-quality, secure, and optimized network solutions tailored to your business needs. 📩 Let’s discuss your project and keep your network running seamlessly! 🚀

I have a 10-year experience in automation, networking and DevOps. Have a Juniper JNCIE-SP, JNCIE-DC, RHCA, Kubernetes, and AWS certification. I worked for a big Mobile operator and one of the largest hosting providers. Have experience in Enterprise, Data Center and Service Provider. List of technologies I have experience: Data Center EVPN, L2/L3 fabrics, Leaf/Spine architecture, VXLAN MPLS, LDP, RSVP-TE, L3, L2 VPN BGP, MP-BGP OSPF, IS-IS Multicast Routing, PIM, IGMP Switching: STP, VLANs, Link Aggregation Security: Cisco ASA, ACS, Radius

✔ Expert in Fortigate, Sonicwall, Sophos, pfSense, OPNSense, Cisco, Meraki, Unifi, VPN etc. 🥇 100% JSS & Positive Feedback ☑️ 13+ Years Experience ☑️ 100+ Projects Delivered ⭐️Top Rated Plus ☑️ 93% Long-Term Client ➤ Full Time Freelance Consultant and Engineer with a background as a Senior Information Specialist. ➤ Vast experience working in MSP, Enterprise environment 🏦. Served 100+ projects in Upwork for clients around World 🌎. ➤ My expertise spans network & security design and implementation ( Firewall, Routers, Switches, Wi-Fi, Servers, Cloud ), cybersecurity strategy, migration projects, security enhancement, on-going support & maintenance and troubleshooting, with a focus on balancing performance and protection with compliance, so businesses can grow confidently. 🥈 Core Competencies: 🔹 Network & Security Architecture (Enterprise LAN/WAN, SD-WAN, Cloud & Hybrid Networks). 🔹 Security Audits, Hardening & Infrastructure Assessments. 🔹 Firewall Solutions (FortiGate, Sophos, SonicWall, Unifi, Meraki, pfSense, OPNsense). 🔹 VPN Solutions (Site to Site; Remote access VPN; IPSec/SSL; OpenVPN; WireGuard ) 🔹 Cloud & Hybrid Networking (AWS, Azure, Cloudflare Domain & DNS Management). 🔹 SASE & Zero Trust (Umbrella, CloudConnexa, Perimeter 81, Cloudflare ZTNA). 🔹 IAM & MFA (Entra ID, Okta, Duo, SAML). 🔹 Routing, Switching & Network Segmentation (Cisco, Aruba, Fortinet, UniFi, Meraki). 🔹 Wireless Design, Security, Performance Analysis & Optimization. 🔹 Infrastructure Services (Active Directory, DNS, DHCP, RDP, File Services). 🔹 Endpoint & Access Security -FortiEMS, Sophos Intercept X. 🔹 Compliance Readiness & Security Governance (ISO 27001, SOC 2, PCI DSS, HIPAA). 🔹 Technical Consulting, Documentation & Standards Governance. 👁‍🗨Your Trusted Network Security Expert: :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Leveraging my extensive experience and high-level skills in network security, my ability to rapidly adopt new technologies ensures I stay ahead of the curve, offering a full suite of freelance services to fortify your digital infrastructure and protect your valuable data. 💬 Please connect with me via Upwork chat to discuss your specific requirements.. Thanks 🙏 ------------------------------------------------------------------------ #Network #Security #Fortigate #VPN #SDWAN #Cisco #Pfsense #Sonicwall #Unifi #Meraki #AWS #Fortinet #Firewall #Cloud #VPC #Network Architecture #IPS #Malware Protection #NGFW #ZTNA #SASE #CASB #Cloudflare #Zero Trust #Perimeter 81 #Active Directory #Security Consultant #Sophos #Wifi #Switch #Storage Server #Synology NAS #TrueNAS #RAID --------------------------------------------------------------------------

Are you looking to secure, optimize, or modernize your IT infrastructure? I’m Hamza, a CCNP Security-certified Systems & Network Engineer with 5+ years of hands-on experience in cloud, cybersecurity, and enterprise network environments. I help businesses strengthen their infrastructure, secure remote access, and build resilient cloud-connected networks. Core Expertise - Firewall configuration & hardening (Cisco , FortiGate, Palo Alto,) - Secure VPN deployment (IPsec, SSL VPN, Zero Trust concepts) - Microsoft Azure security & cloud infrastructure (VMs, Azure AD, Intune, Defender for Cloud, Sentinel) - Windows Server administration (AD, GPO, DNS, DHCP) - Hybrid & cloud migration projects - Network monitoring & security optimization What You Can Expect – Security-first approach – Clear technical communication – Reliable remote collaboration – Structured and well-documented implementations – Practical solutions tailored to small and medium businesses I work with international teams where reliability, performance, and security are critical. Let’s discuss your project — whether it’s a one-time setup, firewall audit, VPN configuration, or ongoing infrastructure security support.

CCIE #42303 | Fortinet Security Architect | Microsoft Teams, Azure Cloud & AI Certified Solution Consultant Team Lead With over 18 years of experience, I specialize in designing, implementing, and supporting enterprise-grade Network, VoIP, Unified Communications (UC), Contact Center (UCCE/UCCX), Telepresence, Security, SD-WAN, SASE, and Cloud solutions. I help organizations modernize their communication infrastructure, optimize performance, and enhance security and reliability across multi-vendor environments — from on-prem to hybrid and cloud. ________________________________________ ⚙️ Areas of Expertise 🔹 Cloud & Microsoft Ecosystem • Designing and administration of Office 365 tenants, Azure Cloud, and Microsoft Entra ID (Azure AD) solutions. 🔹 Unified Communications & Collaboration • Design, implementation, and troubleshooting of Microsoft Teams, AudioCodes Mediant, Sonus/Ribbon, Oracle Acme SBCs, Cisco Call Managers (CUCM, CUCME, CUCMBE, SME), Cisco Unity, IM&P, Expressway, CUBE, and Prime Collaboration. • Extensive experience with Cisco Hosted Collaboration Solutions (HCS), UCS (B & C Series), and CUCDM. • End-to-end setup of Cisco Telepresence (Codecs, TMS, CMS, VCS, Expressway) and Webex Collaboration platforms. • Designing and supporting hybrid environments integrating Microsoft, Cisco, Zoom, 3CX, and Multi-Vendor collaboration solutions • Designing and supporting scalable open-source VoIP solutions like FusionPBX, Asterisk, FreePBX, ASTPP Billing, and integrating them with various communication platforms like Twilio, Telnyx, and different other communication channels and tools. 🔹 Contact Center & Voice Integration • Strong background in Cisco On-premises contact center UCCE and UCCX ecosystems including ICM, CVP, CUSP (SIP Proxy), PG, CTI, Finesse, CUIC, and other critical components. • Designing, implementing, and supporting Mutli-Vendor Cloud Contact Center Solutions including Cisco Webex Contact Center, Genesys Cloud, Microsoft Dynamics, and Anywhere365. • Designing, implementing, and supporting open-source cost effective contact center solutions like VICIdial. • Integration with voice recording, billing, XML, and 3rd-party applications (Verint, Nice, Qfiniti, Carin, VPI, etc.). • Skilled in Voice XML, SQL troubleshooting, and multi-vendor interoperability. 🔹 Protocols & Connectivity • Deep expertise in different network routing and switching protocols. • Deep expertise in VoIP Protocols SIP, H.323, MGCP, Skinny, and Fax over IP. • Skilled in E1/T1 R2, ISDN PRI/BRI, and QSIG trunk configurations. 🔹 Networking & Security • Expertise in wired and wireless network infrastructure solutions including Cisco switches, routers, VGs, Fortinet SD-WAN & SASE, ZScaler SASE, VPNs, and L2TP security. • Solid understanding of Cisco ASA, ISE, Fortinet, Palo Alto Firewalls, HAProxy, and F5 Reverse Proxies. • Hands-on experience with VMware vSphere & vCenter, SolarWinds, and network monitoring integrations. 🔹 Operational Excellence • Skilled in change management, release management, and system optimization across multi-platform environments. ________________________________________ 🚀 What I Deliver ✅ Scalable, secure, and high-performance Network, Cloud, and collaboration architectures ✅ Smooth migrations and hybrid integrations (on-prem ↔ cloud) ✅ 24/7 reliability through proactive monitoring and optimization ✅ Expert troubleshooting and post-deployment support ________________________________________ If you’re looking for a seasoned consultant who can design, build, and secure your Infrastructure and communication ecosystem end-to-end, I’d be glad to help you achieve it efficiently and cost-effectively.

Fortinet Certified Solution Specialist (FCSS) with hands-on troubleshooting skills in a broad range of Fortinet products such as FortiGate, FortiSASE, FortiClient EMS, FortiSwitch, FortiAP, FortiAnalyzer and FortiManager, etc. I've worked at Fortinet Master Distributor. Currently, working as Network Security Engineer. My day-to-day role is to provide technical ticket TAC break & fix support to the Fortinet customers. Provide administrative support to security concern customers like banks by aligning with the industry best practices and compliance requirements, such as - Zero Trust Network Access (ZTNA) Orchestration, - Center for Internet Security (CIS) Benchmarks, - Secure LAN and SD-WAN Orchestration, - Network Micro-segmentation, - Vulnerability & Patch Management, - Centralized quarantine management, - Rogue Wireless AP suppression, - Host and Application-based segmentation, - ZTA (Zero Trust Access) and Endpoint protection etc.

I am a Linux Certified System Administrator with more than 5+ years experience configuring,managing and troubleshooting Servers and IT Infrastructure in Data Center Environment. Some of my expertise includes: ○ Linux Servers that includes Centos,RHEL,Ubuntu,Oracle Server ○ Virtualization platform Vmware,KVM,Proxmox,OpenStack and Power Virtualization ○ Private and Public Cloud Platform Vmware,OpenStack,Oracle PCA,AWS ○ Open Source technologies Docker, Ansible, Kubernetes ○ Web Hosting Platforms WHM,CWP,Plesk,CyberPanel ○ Webservers(apache,nginx), Email Servers(posfix,exim),DNS Servers(bind,powerdns) ○ Databases Technologies (MySQL,PostgreSQL,MariaDB) ○ Bash Shell Scripting ○ Networking Technologies Huawei,Cisco ○ Troubleshooting and fixing issues

I am a CCIE-certified Network Engineer with over 14 years of experience designing, upgrading, and supporting on premise and hybrid enterprise network infrastructure across healthcare, financial services, professional services, public sector, and managed services environments. My background is rooted in deep hands-on expertise across routing and switching, data center networking, WAN architecture, and advanced troubleshooting in complex, multi-vendor environments. I have worked extensively with platforms including Cisco, Palo Alto, Infoblox, Arista, and Juniper. Throughout my career, I have led large-scale remote and hybrid deployments, stabilized critical network environments, and improved uptime, performance, and scalability across both data centers and distributed enterprise systems. I bring a strong ability to partner cross-functionally with infrastructure, security, and operations teams to deliver resilient, high-performing network solutions. CORE COMPETENCIES: ★ Data Center Architecture ★ Routing & Switching ★ SD-WAN ★ Network Security ★ WAN Architecture ★ Infrastructure Modernization ★ Advanced Troubleshooting ★ Cisco Nexus & Catalyst ★ Palo Alto / Fortinet Firewalls ★ Infoblox ★ BGP / OSPF / EIGRP ★ MPLS / DIA ★ Network Automation (Ansible) ★ High Availability & Resiliency ★ Leaf & Spine / Core & Distribution & Access TOOLS: Cisco IOS | Cisco NX-OS | Cisco Nexus (9000/7000/5000/2000) | Cisco Catalyst | Cisco ACI | Arista EOS | Juniper MX/EX | ArubaOS | Nokia OS | Cisco Meraki | BGP | OSPF | EIGRP | vPC | STP | VDC | VXLAN | EVPN | NAT | QoS | Multicast | VRF | DMVPN | IPsec | HSRP | VRRP | GLBP | LACP | LLDP | CDP | Cisco Catalyst SD-WAN | Viptela SD-WAN | SilverPeak SD-WAN | MPLS | DIA | Metro Ethernet | Palo Alto | Fortinet | Cisco ASA | Cisco ISE | Cisco DNA | Wireshark | Ansible | TCL Shell | Python | SecureCRT | PuTTY | ServiceNow | Microsoft Teams | Zoom | Webex | Outlook | Visio CERTIFICATIONS: CCIE Routing & Switching #51201 | CCNP | CCDA | MCSE