Freelancer profile translated to English.
Back to original languageAbout Daniel
I am passionate about telecommunications with11 years of experiencetransforming critical infrastructures into efficient and scalable systems. My approach combines the technical rigor of aSystems Administrator (ASIR)with the creativity needed to design solutions from scratch (Greenfield projects).
I define myself as aperfectionist and detail-orientedprofessional, focused on service robustness and operational excellence. My experience in high-demand environments, such as Avatel Telecom, has allowed me to perfect Level 2 and 3 incident resolution under strict service level agreements (SLAs).
What do I bring to your project?
Traffic Engineering and IP Core:Design and optimization of dynamic networks usingBGP and MPLSprotocols.
Multi-vendor Expertise:Advanced operation and hardening of Cisco,Juniper, Huawei, and MikroTikequipment.
ISP and FTTH Infrastructure:Comprehensive management ofGPON (Huawei and ZTE OLT)heads and integration with provisioning systems.
VoIP Specialist:Maintenance of critical platforms such asMetaswitch, Asterisk, and Commsmundi,with in-depth analysis of SIP signaling.
Virtualization and NetOps**: Deployment of high-availability clusters on **Proxmox VEand task automation through scripting inBash and PHP.
Spanish
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Avatel TelecomAdvanced Technical Support for Businesses (Level 2)TELECOMMUNICATIONSJuly 2024 - September 2025 (1 year and 2 months)Mérida, SpainResponsible for technical management and incident resolution for the corporate segment(B2B), ensuring business continuity and compliance with strict SLAs.•Operation of Corporate CPEs:Configuration, commissioning, and troubleshooting ofHuaweiAR Series andMikroTikenterprise routers, adapting the configuration to specific client needs ( **VPNs**, Port Forwarding, DMZ).•Circuit and Wholesale Management:Provisioning and technical support for data circuits onNEBASfootprint ( **AireNetworks**) and dedicated dark fiber or bitstream links with Tier-1 providers ( **Lyntia**, **TESA**, **Alea**).•Specialized VoIP Support:Administration of the corporate voice platform in aMetaswitchenvironment. Provisioning of terminals viaGDMSand management ofSIP trunks.Signaling trace analysis to isolate interconnection failures.• Technical Coordination:Direct communication with external provider engineers ( **Codipro**, wholesalers) and escalation of complex incidents through ticketing tools ( **SMAX**).
- Avatel TelecomAdvanced Residential Technical Support (Level 2)TELECOMMUNICATIONSNovember 2022 - June 2024 (1 year and 7 months)Mérida, SpainLevel 2 Technician focused on resolving complex connectivity and converged services incidentsfor the residential customer base.•Multi-Technology Diagnosis:Resolution of incidents in heterogeneous access networks ( **FTTH, HFC, WiMax, and 4G/5G**).•Mobile and Fixed Telephony Management:Advanced technical support for mobile and fixed services, including incident management with the network provider **TESA (xSP)**.•Proactive Monitoring:Intensive use of observability tools (PRTG, The Dude, Phicus, Grafana)for early detection of bandwidth saturation, fiber cuts, or service degradation.• Voice Engineering:Analysis ofMetaswitch SIP tracesfor resolving voice quality and signaling incidents in residential environments ( **CGNAT**).
- Antisa TelecomSpecialist Systems and Networks Technician (Project Manager)TELECOMMUNICATIONSNovember 2014 - October 2022 (7 years and 11 months)Mérida, SpainServed as one of the two main technical managers**in a "Greenfield" project**, leading the design, deployment, and operation of the operator's network from scratch.•IP Backbone Design:Architecture and implementation of the operator's backbone network usingBGP and OSPFdynamic routing protocols overMikroTikequipment and licensed linksUbiquiti/Cambium/SAF/Ceragon.• FTTH Deployment:Configuration and administration of OLT heads (Huawei MA5600, ZTE C300) and integration with subscriber management systems ( **SmartOLT, Golix**).•Virtualization of Critical Services:Migration of physical servers to a high-availability virtualized infrastructure based onProxmox VEandVMware**, hosting essential services such as **CRM, Radius, DNS, and monitoring.•VoIP Infrastructure:Comprehensive implementation of the IP telephony solution, managingCommsmundinodes.•Systems and Development: Data Center Maintenance.Development of scripts inBash/PHP and MySQL queriesfor automating billing and technical support processes.• Implementation of secureVPN (OpenVPN)access.
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Education
- Higher Technician in Network Computer Systems Administration (ASIR)I.E.S. Ágora.Técnico Superior en Administración de Sistemas Informáticos en Red (ASIR)
- MikroTik Certified Network AssociateMikroTik Certified Network Associate