Hire the Best Network Security Engineers
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Bachelor of Engineering (BEng) in Computer Networking and Cloud Security, Cisco Certified CCNP - Enterprise, CCNP - Security, and CCNA Cyber Ops and Experienced IT, Network, Security Specialist skilled & I have more than ten years of experience with following, - Assist in planning, design, documentation, and implementation of Network, Security, and System infrastructure - Hands-on experience with configuration administration of Cisco, Meraki, HP, Dell, Ubiquiti, routers, switches, and network devices and Cisco ASA, Fortinet, SonicWall, PaloAlto, pfSense, OPNsense firewall devices - TCP/IP, Routing and Switching Protocols RIP, EIGRP, OSPF, BGP, GLBP VRRP, HSRP, VLANS, STP, VTP, ACL, Security features - IP Sec site to site and remote access VPN on Ubiquiti Unifi, Fortigate, SonicWall, PaloAlto, pfSense, OPNsense firewalls, AWS, Azure, GCP cloud services, and Strongswan, Openswan and Libreswan as well - Familiar with security platforms such as IPS, IDS, Web Security Appliance, Email Security Appliance, and Cisco ISE - Familiar with VOIP platforms such as FreePBX, Grandstrem, etc

Hello, I am a senior network engineer with 20+ years of overall experience in Network Engineering. I got myself certified in respective domains as well through CCIE(R&S) & ACMP, ACSP(Aruba Certifications). I have held positions in Enterprise, System Integrator and Service Provider environments and gained extensive hands on experience in Network designing, implementation, troubleshooting and optimization in the domains of Routing & Switching, Wireless, Network Security and Unified Communication. I strongly believe that my knowledge, experience and technical know-how in the field will equip me to exceed your expectations if the opportunity avails to me.

💼 Network Engineer | NOC Team Lead | Multi-Vendor Specialist | 8+ Years Experience I’m a seasoned Network Engineer with over 8 years of hands-on experience in LAN/wireless network design, escalation support, network administration, and system administration. I bring a strong blend of technical expertise and leadership, having led NOC operations and managed teams to ensure 24/7 high availability across enterprise environments. 🔹 Key Strengths: Designing and implementing high-performance, secure, and scalable networks Troubleshooting and resolving complex networking issues across LAN/WAN/Wi-Fi Managing NOC operations and leading teams for proactive monitoring and rapid incident response Ensuring uptime and reliability in multi-platform, high-availability Data Center environments Expert support across on-premise and cloud-based infrastructure 🔹 Certifications: CCNP Enterprise | CCNP Security Certified Meraki Networking Associate (CMNA) VMware Certified Professional – DCV & Network Virtualization Juniper JNCIA-Cloud Huawei Certified ICT Associate – R&S Microsoft Certified: Azure Fundamentals Cisco Networking: On-Premise and Cloud Solutions (OCSE) 🔹 Multi-Vendor Expertise: I have extensive hands-on experience with a broad range of networking products and technologies, including: Cisco Routers, Switches & Firewalls Cisco Meraki (APs, Firewalls, Switches) Fortinet, Checkpoint, Sophos Firewalls Aruba, Ruckus, Ubiquiti, and other leading wireless solutions Whether you're looking for a network design consultant, an escalation support expert, or a reliable NOC manager/team lead, I bring the right combination of skill, experience, and certifications to deliver outstanding results. Let’s connect and make your network stronger, smarter, and more secure. 💡

BS.c, MS.c In Electronics & Telecommunication/ IT Security CCSA, CCNA-CCNP R&S,CCNA-CCNP Security, CISSP, CEH, CHFI, LPT, CSX, CISM In my last 7 years i have been working on variety of System/Network products and have gained wide experience in Microsoft, Cisco, Intel McAfee, Azure, AWS, AlienVault, PaloAlto, Fortigate, Sonicwall, Checkpoint, HP/EMC, F5 ,Radware technologies. Used Different Products and infrastructures such as Windows, Linux desktop/server administration, Network infrastructure administration including Cisco iOS, Juniper or 3rd party (Switches, Routers, Firewalls), Cisco and other Wireless products, Snort, Alien Vault, McAfee DLP/IPS/Web gateway products, Network monitoring products (Net flow Analyzer/PRTG/Noci), NAC Solutions (Cisco, Forescout), Load balance solutions (Radware, F5), URL Filters (FortiGate/Palo Alto/PF Sense), Proxy solutions (Bluecoat/McAfee Web gateway), VMWare ESX, Veeam, Amazon AWS, Azure Cloud Solutions, Office 365, Google Apps. I have been involved in design, configuration and troubleshooting of Network products. ***Firewalls: Palo Alto PA500/PA4000, Cisco ASA 5500 Series Cisco RV Series Cisco IAS 500 Series Cisco PIX Cisco IPS 4200 Series Fortigate 40C Fortigate 60C Fortigate 60D Fortigate 800C Fortigate 100C Fortigate 310B Fortigate 620B Checkpoint 4000 Appliance Checkpoint 2200 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series DrayTek Vigor 3200 Series DrayTek Vigor 2925 Series DrayTek Vigor 2920 Series Pfsense Juniper SRX Series Juniper SSG Series. ****Load Ballancers: F5 BIG-IP 4000s F5 BIG-IP 3900 F5 BIG-IP 2200s F5 BIG-IP 2000s F5 BIG-IP 1600 Radware LinkProof 200/208 Radware App Director Cisco ACE 4700 Application Control Engine Barracuda 440 Routers: Cisco 800 Series Cisco 1700 series Cisco 1800 series Cisco 2600 series Cisco 2800 series Cisco 2900 series Cisco 3800 series Cisco 1000 series Cisco 7600 series Switches: Cisco SG300 Cisco Catalyst 2900 series Cisco Catalyst 3500 series Cisco Catalyst 3600 series Cisco Catalyst 4500 series Cisco Catalyst 6500 series Cisco Catalyst 6800 series HP 3500 series HP 2500 series Netgear Prosafe GSM 7224 Netgear FS750T2 Netgear FS728TS Netgear FS728TP *****Wireless Controller & Access Points: Cisco Meraki, Cisco WLC 2500 series Cisco WLC 2600 series Cisco Aironet 3600 Series Cisco Aironet 2600 Series Cisco Aironet 1600 Series NETGEAR ProSAFE® Wireless Access Points ******NAC: Forscout and Cisco NACs.

I’m Isira Uthpala, a systems and network engineer with 11+ years of hands-on experience designing, fixing, and managing business-critical IT infrastructure. I work directly with clients on complex environments where uptime, security, and long-term stability matter. Many of my projects involve taking over unstable, poorly documented, or failed setups and turning them into clean, secure, and maintainable systems. What I Help Clients With • Enterprise and multi-site network design and stabilization • Large-scale Ubiquiti UniFi deployments and migrations • Firewalls, VLAN segmentation, and network security hardening • Windows Server and Active Directory environments • NAS, backups, disaster recovery, and data protection • Docker-based self-hosted platforms and cost-optimized infrastructure • Hybrid and cloud-managed environments • Monitoring, alerting, and preventive maintenance Environments I Commonly Work In • Corporate offices and multi-location businesses • Hotels, resorts, and hospitality environments • Casinos and entertainment venues • Residential complexes and campuses • Remote locations, islands, and challenging network setups Proven Experience • Managed and supported 500+ Ubiquiti sites and 20,000+ devices • Currently supporting 200+ active sites • Led recovery projects after failed migrations • Delivered full infrastructure transformations for complex environments • Replaced expensive cloud services with efficient on-prem and Docker solutions How I Work I focus on practical solutions, not unnecessary complexity. Every project starts with understanding real requirements, risks, and long-term goals. If you’re looking for someone who can design, fix, or take full ownership of your infrastructure, we’ll work well together. Feel free to message me to discuss your setup or project. Best Regards, Isira Uthpala