Hire the Best Network Engineers
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Expert Network Engineer & System Administrator | MikroTik Certified Summary: With a proven track record in network engineering and system administration, I offer a comprehensive skill set and a commitment to delivering excellence. As a certified MikroTik Network Associate, I specialize in designing, implementing, and optimizing networks for optimal performance and security. My expertise spans dynamic routing, network security, VPN setup, load balancing, and more, making me a reliable partner for your infrastructure needs. Key Skills: - Dynamic Routing & Optimization: Proficient in OSPF and BGP protocols, ensuring efficient traffic management and network scalability. - Robust Network Security: Implementing robust firewalls, intrusion detection systems, and encryption protocols to safeguard against cyber threats. - Advanced VPN Solutions: Configuring secure VPN tunnels for remote access and interconnecting geographically dispersed networks. - Load Balancing & Failover: Designing resilient architectures with load balancing and failover mechanisms to ensure high availability. - Quality of Service (QoS): Prioritizing network traffic for critical applications and services to maintain optimal performance. - Captive Portal Setup: Deploying captive portals for seamless guest authentication and access control in wireless networks. - DNS & Email Server Setup: Setting up and managing DNS servers and email servers for reliable communication infrastructure. - RADIUS Authentication: Configuring RADIUS servers for centralized authentication, authorization, and accounting. - Wireless Network Expertise: Designing and optimizing wireless networks, including long-range point-to-point links for seamless connectivity. - Monitoring & Management Tools: Proficient in utilizing Zabbix and other monitoring tools for proactive network management and troubleshooting. - VoIP Technologies: Experience with Asterisk and Vicidial for deploying VoIP solutions tailored to business needs. Additional Skills: - Programming Proficiency: Skilled in back-end languages such as Python and Bash scripting for automation and customization. - Web Hosting & Development: Experienced in web hosting management and front-end development to complement network infrastructure. Certifications: MikroTik Certified Network Associate (MTCNA), MikroTik Certified Routing Engineer (MTCRE) About Me: Driven by a passion for technology and a commitment to excellence, I thrive in dynamic environments where I can leverage my skills to solve complex challenges and drive business success. With a keen eye for detail and a proactive approach to problem-solving, I ensure that network infrastructures not only meet current needs but are also scalable and adaptable to future requirements.

🏆 UPWORK EXPERT-VETTED | NETWORK & SECURITY ENGINEER / ARCHITECT 🏆 I’m a Network & Security Engineer / Architect with 17+ years of experience and 15,000+ hours on Upwork. I design, secure, and optimize enterprise, ISP, data center, and cloud networks — focused on performance, scalability, and security. 🔹 CORE EXPERTISE Networking & Infrastructure Vendors: Cisco, Juniper, MikroTik, Arista, Dell, Ruckus, Mellanox, Ubiquiti, Aruba Technologies: BGP, OSPF, MPLS, VXLAN, EVPN, QoS, Load Balancing Firewalls & Security Fortinet, Palo Alto, Sophos, SonicWall, Zyxel, PFSense NGFW, IPS/IDS, Zero Trust, DDoS Mitigation, Web Filtering, SIEM Integration ISP & Broadband Huawei, ZTE, MikroTik, Netonix GPON/XG-PON, CGNAT, PPPoE, RADIUS, IPv6 Migration VPN & Remote Access IPSec, OpenVPN, WireGuard, DMVPN, SSL VPN, SD-WAN, V2Ray Cloud & Virtualization AWS, Azure, VMware, Proxmox, KVM, Hyper-V Linux (Ubuntu, Debian, CentOS, BSD) Monitoring & Automation PRTG, Grafana, LibreNMS, Zabbix, NetBox 📜 CERTIFICATIONS Cisco: CCNP / CCNA / CCDA / CCDP Juniper: JNCIS / JNCIA Ruckus: RCNI / RONE / RASZA / RICXI / RCWA HPE: HPE-Hybrid Cloud Fortinet: NSE4 💼 SERVICES Network Design & Optimization (Enterprise, ISP, Data Center) Firewall & Security Hardening (NGFW, IPS/IDS, Zero Trust) Cloud & Hybrid Networking (VPC, Peering, Transit Gateway) VPN & Secure Remote Access (IPSec, SSL, SD-WAN) ISP & Broadband Engineering (BGP, MPLS, GPON, IPv6) Network Troubleshooting & Performance Tuning

With over five years of experience in the IT industry, I’ve developed solid expertise across some of the most essential areas of modern IT infrastructure. My background includes more than two years in IT support, working extensively with RMM platforms such as Ninja and ScreenConnect, as well as ticketing systems including ServiceNow, Freshservice, and Spiceworks. I specialize in networking, supported by certifications in Fortinet technologies and the CCNA, giving me hands-on experience with network configuration, security, and troubleshooting. In addition to this, I’ve worked as a remote System Administrator, managing servers, user environments, system performance, and general infrastructure operations. I bring a strong mix of technical skill, reliability, and problem-solving ability, and I’m committed to delivering high-quality work while helping clients maintain secure, stable, and efficient IT environments.

Hi, I’m Kron Hajdini 👋 I’m a Web Design Specialist focused on WordPress and ongoing maintenance. I build websites that are not only modern and user-friendly, but also secure, fast, and easy to manage long term. 💻 What I Do Best • WordPress website design & redesigns (business, e-commerce, booking systems) • Responsive, mobile-friendly layouts that convert visitors into customers • Website maintenance & care plans (updates, backups, security, small edits) • Hosting setup, migrations, and troubleshooting • Speed, performance, and SEO optimization 🔒 My Technical Edge With a background as a Network Engineer (CCNA certified, 4 years experience), I bring an extra layer of expertise in performance, hosting, and security that most web designers don’t offer. 📈 Why Work With Me? • Clear, professional communication • Clean, reliable websites that support your business goals • Long-term support so you don’t have to worry about updates or issues If you’re looking for a dependable partner to design, improve, or maintain your WordPress site, I’d love to help. Let’s create a website that works as hard as you do 🚀

Senior Network Consultant | Cisco CCIE & MikroTik Expert | ISP/WISP Specialist I design, secure, and optimize high-performance networks for ISPs, enterprises, and government agencies worldwide. With 16+ years’ experience and top-tier certifications (Cisco CCIE Security, MikroTik MTCINE, VMware, Azure), I work across Cisco, Fortinet/FortiGate, SonicWall, Aruba, and other major platforms to deliver reliable, scalable, and secure infrastructure — from complex routing (MPLS, BGP, OSPF) to VPNs, wireless, virtualization, and advanced QoS. I've built many ISP/WISP networks around the world (Los Angeles, Oregon, Pennsylvania, Canada, Cyprus, Somalia, Mexico etc) and provided network consultancy to other ISP, Bank, Government, Enterprises in South Africa, Denmark, Switzerland, Australia, England etc.

Accomplished Network Engineer with a decade of industry experience in designing, implementing, and optimizing complex network solutions. Expert in deploying robust network architectures across multiple platforms and environments, including Cisco, Microsoft, Fortinet, Sonicwall, HP and Juniper systems. Proven track record of enhancing system functionality and reducing downtime through strategic network improvements and preventive maintenance. - Network architecture design and strategic roadmap for your business. - Security Solution Design and Implementation: Developing tailored security frameworks that align with your business needs and compliance requirements. - Vulnerability Assessment and Penetration Testing: Identifying vulnerabilities in your network and applications to prevent potential attacks. - Ongoing Network Monitoring and Management: Ensuring continuous monitoring and immediate response to security incidents. - Compliance and Security Audits: Evaluating systems to ensure adherence to regulatory standards and best practices. - Training and Advisory Services: Providing cybersecurity training to your team to enhance security awareness and practices.