Sergio Nunes

Experience

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  Bauxite Angola

  Oct 2011 - Jun 2012

  Analista de Sistemas e redes

  Specialized in malware and virus removal for laptops and desktop systems. Cultivated and maintained strong relationships with service providers, vendors, dealers, and consumers. Collaborated closely with end-users in remote and desk-side environments, addressing software and system issues.Offered on-site technical support post-project implementation, providing valuable recommendations for product changes and upgrades to product managers. Proficiently set up new desktop systems and configured laptops for incoming employees, including software installation and server permissions.Consistently met customer service response standards, promptly addressing emails. Implemented software updates, patches, and installations to enhance security and protect users. Conducted system observations and executed commands to test various operational areas. Show less

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  Unitel

  Aug 2012 - Sept 2024

  Técnico Senior de Operações IP

  Led quality assurance initiatives with on-site evaluations, internal audits, and customer surveys. Implemented WAN and LAN designs in multi-datacenter setups, identifying cost-saving opportunities through rigorous analysis of expenses, schedules, and contract performance. Developed and maintained advanced knowledge of networking protocols, including Border Gateway Protocol and Multi-Protocol Label Switching.Analyzed, troubleshooted, and optimized network performance to enhance efficiency. Defined network requirements and provided support for Service Provider projects, monitoring capacity and resolving complex issues. Planned and executed network enhancements, ensuring overall efficiency and effectiveness. Applied deployment best practices and security protocols in network management, conducting assessments for disaster recovery, remote access, network appliances, servers, and directory services security.Introduced automation to the monitoring system for 24/7 network operations, reinforcing continuity. Produced operational reports encompassing trouble resolution, project status, and equipment/network requirements. Swiftly identified and resolved issues with various network devices, including ASR901, ASR903, ASR1001, ASR9001, ASR9006, ASR9010, CRS-1, Huawei ATN910, NE8000. Configured, managed, and evaluated multi-protocol network elements to ensure seamless end-to-end communications. Show less

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  PinSkills Solutions

  Mar 2017 - now

  Network Operation Engineer

  Led the design and implementation of robust IT infrastructure, crafting systems proposals to optimize and enhance operational efficiency. Implemented automation solutions utilizing frameworks such as Ansible and Python, contributing to streamlined processes and superior outcomes for the startup's IT operations