Jorge Grave

VoIP Engineer & Systems Administrator with over a decade of experience in the IT sector. Specialist in providing expert technical support and network management, driven by a commitment to delivering high-quality solutions that exceed client expectations

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

EQF 5 | 16 Values in Instalação e Manutenção de Redes e Sistemas Informáticos – ESAN - 16 (2007-11 – 2009-04)

CCP (2013)