VoIP Engineer | VoIP Systems Integrator at Jolera, INC (2024-06 – Present)
Focus: Advanced Management, Automation, and Complex Integrations.
- Advanced VoIP Architecture: Managed and optimized high-performance iPBX systems based on Asterisk, Kamailio, and Freeswitch
- Enterprise Integrations: Specialized in Session Border Controller (SBC) setup and configuration for complex environments, including MS Teams and Genesys Cloud
- Infrastructure Automation: Developing Bash scripts (Intermediate) and Python scripts (Initiate) to automate routine server maintenance and monitoring tasks
- Version Control: Utilizing Git for configuration management and script versioning to ensure environment stability
- Containerization: Orchestrated and deployed Docker / Docker Swarm based systems tailored for VoIP services
- Cloud & Multi-platform Admin: Senior administration of Oracle Cloud infrastructure and comprehensive management of Windows, Linux, and OSX environments
- High-Availability Virtualization: Managed and maintained complex virtualization clusters using Hyper-V, VMWare, and Proxmox
- Expert Technical Support: Provided Tier-3 helpdesk support for mission-critical VoIP infrastructure
VoIP Engineer | VoIP Systems Integrator at ITCenter (2021-06 – 2024-06)
Focus: Implementation, Infrastructure Setup, and Technical Foundations.
- System Implementation: Executed the setup and maintenance of iPBX systems (Asterisk, Kamailio, Freeswitch) and associated VoIP terminals
- SBC Deployment: Configured SBC technologies with a focus on ENUM and unified communication integrations
- Core Systems Administration: Performed setup and maintenance of Linux and Windows servers to ensure reliable service delivery
- Automation & Data Management: Developed bash scripts for task automation and performed intermediate MySQL querying for system reporting
- Multi-channel Support: Provided both remote and on-site technical assistance for VoIP-related incidents
- Technical Certification: Successfully achieved Yeastar and Oracle SBC professional certifications and badges
Network and Systems Administrator at Pascoal & Filhos, SA (2018-06 – 2021-06)
Focus: Full-stack Infrastructure Management, Security, and Business Systems.
- Network & Security Infrastructure: Managed and optimized a Cisco-based network architecture, encompassing both LAN and industrial WIFI environments
- Implemented robust security measures, including Active Directory management, Firewalls, VPNs, and ESET endpoint protection
- Maintained 24/7 system availability through Zabbix monitoring and proactive troubleshooting of physical and Hyper-V virtual servers
- VoIP & Communications: Administered and maintained Asterisk-based IPBX systems and all associated VoIP hardware
- Business Systems & Data Intelligence: Managed and supported ERP systems (Primavera and Flowtech), ensuring seamless business operations and EDI data flow
- Developed specialized business intelligence reports using Crystal Reports and SSRS, utilizing SQL querying for data extraction
- IT Support & Mentorship: Provided comprehensive helpdesk support (remote and on-site) for a diverse range of hardware, from servers to industrial picking tools
- Acted as an IT Mentor, guiding team members and users on best practices and system adoption
IT Technician at Sucesso do Saber, Lda (2013-11 – 2018-06)
Focus: Hardware Diagnostics, OS Deployment, and POS Systems.
- Hardware & Systems Engineering: Diagnosed and repaired a wide range of hardware, including servers, workstations, and mobile devices
- OS & Network Deployment: Managed OS installation and configuration across Windows, Linux, and OSX environments
- Network Troubleshooting: Administered and resolved complex issues within LAN and WIFI infrastructures
- Retail Technology: Specialized in the setup and troubleshooting of Eticadata POS systems
- Technical Assistance: Provided high-level remote and on-site helpdesk support for diverse client needs
Learning Mentor at Escol(h)as em Boa Hora - NC117 (2011-09 – 2012-12)
Focus: IT Education, Mentorship, and Digital Literacy.
- Instructional Leadership: Acted as a Learning Mentor in a governmental project, delivering comprehensive IT training to diverse audiences
- Certification Guidance: Facilitated access to IT certifications, including Diploma de Competências Básicas (FCT) and Microsoft Digital Literacy
- Technical Training: Developed and delivered modules covering computer fundamentals, hardware booting, and digital audio/video manipulation
