Hire the Best Brightzone Amise Specialists

ISP Network Engineer with 10+ years of experience in GPON, MikroTik, Linux, DNS, Email Infrastructure, and Hosting Operations. I have more than 10 years of hands-on experience operating real production environments, including an FTTH network, MikroTik routing platforms, GPON OLT systems, SmartOLT automation, hosting infrastructure, and business email systems. Recently received a 5-star Upwork review for DNS, Email Infrastructure, and Technical Operations support, with client feedback highlighting quality, problem-solving, and technical expertise. My experience comes from real operational environments rather than lab-only setups. I work daily with customer provisioning, PPPoE services, network troubleshooting, DNS management, hosting infrastructure, and email delivery systems. ISP & Network Operations • MikroTik RouterOS Administration • GPON OLT Administration (ZTE C620 / C650) • SmartOLT Deployment & Automation • ONU Provisioning & Troubleshooting • PPPoE Services & Subscriber Management • VLAN Configuration, Routing & Switching • VPN & WAN Failover Solutions • ISP Customer Provisioning & Operations Linux, Hosting & DNS • Ubuntu Linux Administration • VPS & Hosting Management • cPanel & WHM Administration • DNS Troubleshooting & Migration • Cloudflare Administration • SSL Certificates • Website & Email Migration • WordPress Hosting & Troubleshooting Email Infrastructure • Microsoft 365 Administration • Google Workspace Administration • SPF, DKIM, DMARC & MX Records • Email Deliverability Troubleshooting • Email Routing & Forwarding • SMTP Configuration I focus on identifying root causes, solving technical issues efficiently, and building reliable solutions that work in real production environments. Available for GPON, MikroTik, SmartOLT, Linux, DNS, Email Infrastructure, Hosting, WordPress, ISP Operations, and Network Troubleshooting projects.

With over 7+ of experience in enterprise and MSP environments, I have developed strong expertise in network operations, incident management, VoIP support, and infrastructure monitoring. In my current role as a NOC Team Leader, I lead daily NOC operations, manage critical incidents, ensure SLA compliance, and support network, cloud, and security infrastructure. I thrive in fast-paced environments and enjoy leading teams while delivering reliable and efficient IT services. I would welcome the opportunity to contribute my technical expertise and leadership skills to your organization. Thank you for your time and consideration. I look forward to hearing from you.

As a Network Engineer with more than five years of experience in ISP, MSP, and enterprise environments, I have developed strong expertise in designing, implementing, troubleshooting, and optimizing complex network infrastructures. My experience includes managing service provider and enterprise networks, configuring and maintaining routers, switches, firewalls, and network security solutions, as well as implementing scalable architectures using technologies such as BGP, OSPF, MPLS, VPNs, VLANs, QinQ, LACP, and High Availability solutions. I have extensive hands-on experience with equipment from leading vendors including Cisco, Juniper, MikroTik, Huawei, Arista, Datacom, Ubiquiti, and FS. Additionally, I possess strong system administration skills, including Windows Server, Active Directory, Linux administration, Proxmox virtualization, Asterisk PBX, and VoIP systems. I hold a Bachelor's Degree in Electrical Engineering and several industry-recognized certifications, including JNCIA, JNCIS-SP, MTCNA, MTCRE, and MTCINE. I am also fluent in both Spanish and English (C1 level), allowing me to work effectively in international and multicultural environments.

Hikvision | Dahua | CCTV Security Consultant – Remote Setup & Design (PT-EN-ES) $50.00/hr 15+ years experience in CCTV, IP security and surveillance systems Specialized in Hikvision, Dahua and Intelbras environments. Currently managing 1,500+ cameras across a large multi-site environment, delivering stable monitoring, remote access and optimized detection logic. What I deliver: • Remote setup, optimization & troubleshooting (Hikvision iVMS, Dahua SmartPSS/DSS, Intelbras SIM Next, Digifort, Milestone) • NVR/DVR configuration, ONVIF integration, AI events, motion logic & remote access • Security system design: camera positioning, coverage logic, cabling (CAT6 / Fiber / PoE), racks & infrastructure • End-to-end infrastructure design (CAT6/ / Fiber / PoE), from planning to final documentation • Technical communication & support in Portuguese, English and Spanish Available 20–30 hours/week US & Europe friendly hours • Weekends available Remote access via AnyDesk / TeamViewer

I am a Senior Network and Systems Administrator with over 15 years of hands-on experience designing, securing, and managing enterprise IT infrastructures. I currently work remotely with HDCE (Canada), where I support multiple clients and have worked on more than 2,000 servers, networks, and workstation environments. What I can help you with: • Network design, configuration, and troubleshooting (Cisco, Meraki, MikroTik, HP, Dell) • Firewall setup and security hardening (FortiGate, Juniper, Meraki, pfSense, OPNsense) • VPN configuration (site-to-site and remote access) • Windows Server & Active Directory (DNS, DHCP, GPO, RDS) • Linux server administration (Ubuntu, CentOS) • Hyper-V virtualization (setup, HA, replication, optimization) • Monitoring solutions (PRTG, Zabbix) • Backup and disaster recovery (Altaro, Veeam) • Cloud infrastructure support (AWS & Azure – foundational) • Data center and SAN storage management (HP 3PAR, QNAP) I am known for my calm approach, clear communication, and ability to solve complex technical problems efficiently. I focus on delivering reliable, secure, and scalable solutions tailored to each client’s environment. If you need a senior-level engineer who can design, fix, or optimize your infrastructure, I’m ready to help.

I help businesses design, troubleshoot, and secure reliable networks so operations stay stable and risk stays low, with 9+ years of hands-on experience across Firewall, VPN, SD-WAN, and pfSense environments. Network & Security Engineer (CCNP) | MikroTik (MTCNA) | Fortinet | Cisco | Monitoring | Windows Server | Cloud I focus on scalable, documented, long-term fixes — not temporary patches — and communicate clearly throughout every project. What I can help you with • Network Design & Troubleshooting — LAN/WAN/Wi-Fi, VLANs, inter-VLAN routing, BGP/OSPF, STP, subnetting, site-to-site connectivity, performance tuning • Firewall Hardening — Fortinet (FortiGate), pfSense, Cisco ASA, UniFi — NAT, DMZ, segmentation, security policy design • VPN & Secure Remote Access — IPsec, SSL, WireGuard, OpenVPN, Xray/V2Ray — site-to-site and remote-access tunnels for distributed teams • SD-WAN & Multi-Site Connectivity — centralized policy management, WAN optimization, resilient failover across branch locations • MikroTik RouterOS & WISP Operations — routing, firewall, QoS/bandwidth shaping, wireless optimization, ISP-grade troubleshooting • Network Automation & Scripting — Python, Git version control, automated provisioning and configuration deployment • Security Assessments & Compliance — vulnerability assessments, penetration test reporting, and hardening aligned to NIST CSF 2.0, CIS Controls v8, and ISO/IEC 27001 • Endpoint & Identity Security — Microsoft 365/Intune device management, endpoint hardening, Active Directory, DNS/DHCP • Monitoring & Alerting — Zabbix, PRTG, SNMP dashboards, proactive issue detection and reporting • Servers & Virtualization — Windows Server, Linux, VMware ESXi, Hyper-V, disaster recovery/backup planning • Cloud & Hybrid Networking — AWS and GCP connectivity, hybrid architecture, migration support Example results delivered • Ransomware recovery + security hardening: recovered 91% of encrypted files and implemented protective controls • Multi-site network (50+ employees): reduced downtime 87% and saved $15,000/year through optimized architecture • Secure VPN rollout (3 countries): enabled remote work for 30+ users across multiple locations How I work • Quick assessment → clear plan → controlled changes → testing → full documentation • Secure-by-default approach and clean, maintainable configurations • Available for one-time projects, ongoing managed services, and urgent troubleshooting Send me a short summary of your environment (devices, number of sites/users, ISP links, current issues/goals), and I’ll reply with a practical plan and next steps.