07/15/2026 updated
100 % available
Systems & Cloud Support Specialist
Vila Franca de xira, Portugal
Only remote
Bachelor's Degree in Computer Engineering (Ongoing)About me
IT Systems Specialist focused on infrastructure and networks. I configure and secure corporate environments with Active Directory, Microsoft Entra ID, and network security. High availability, system optimization, and efficient technical support.
Active DirectoryMicrosoft AzureCisco Certified Network Associate Security (CCNA Security)Computer NetworksDomain Name System (DNS)Networking HardwareNetwork SecurityRoutingNetwork VirtualizationNetwork Management SystemSecurity AdministrationServer AdministrationTCP/IPCloudflare
Networking
Network configuration, TCP/IP protocols, LAN/WAN management, Routing and Switching, as well as troubleshooting complex network connectivity and hardware incidents in high-density corporate environments.
Cybersecurity
Firewall management, Identity and Access Management (IAM), Network Security, and Infrastructure Protection, including implementation and maintenance of endpoint security measures and compliance with corporate IT security policies.
Cloud & Infrastructure
Resource deployment and management in Microsoft Azure, Systems Administration, and Infrastructure-as-a-Service (IaaS), including DNS migrations to Cloudflare and configuration of Microsoft 365 cloud integrations.
Databases
Proficiency in MySQL, PostgreSQL, and SQL Server, with a focus on performance optimization.
Programming
Python focused on network automation scripts, as well as Java and JavaScript development.
SSL/TLS Certificate Management
Management of SSL/TLS certificate lifecycles including issuance, renewal, and HTTPS implementation to ensure secure data encryption.
DNS Administration
Administration of domain portfolios and advanced DNS configurations including A, CNAME, MX, and TXT records.
Active Directory
Management of Active Directory, user permissions, and local server environments to ensure seamless daily operations.
Hardware & IT Support
Configuration and installation of CCTV surveillance systems, IP cameras, Point of Sale systems, and network peripherals, as well as preventive and corrective maintenance on hardware and IT equipment.
Network configuration, TCP/IP protocols, LAN/WAN management, Routing and Switching, as well as troubleshooting complex network connectivity and hardware incidents in high-density corporate environments.
Cybersecurity
Firewall management, Identity and Access Management (IAM), Network Security, and Infrastructure Protection, including implementation and maintenance of endpoint security measures and compliance with corporate IT security policies.
Cloud & Infrastructure
Resource deployment and management in Microsoft Azure, Systems Administration, and Infrastructure-as-a-Service (IaaS), including DNS migrations to Cloudflare and configuration of Microsoft 365 cloud integrations.
Databases
Proficiency in MySQL, PostgreSQL, and SQL Server, with a focus on performance optimization.
Programming
Python focused on network automation scripts, as well as Java and JavaScript development.
SSL/TLS Certificate Management
Management of SSL/TLS certificate lifecycles including issuance, renewal, and HTTPS implementation to ensure secure data encryption.
DNS Administration
Administration of domain portfolios and advanced DNS configurations including A, CNAME, MX, and TXT records.
Active Directory
Management of Active Directory, user permissions, and local server environments to ensure seamless daily operations.
Hardware & IT Support
Configuration and installation of CCTV surveillance systems, IP cameras, Point of Sale systems, and network peripherals, as well as preventive and corrective maintenance on hardware and IT equipment.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
EnglishFluentPortugueseNative speakerSpanishGood
Project history
Responsible for local infrastructure management, network monitoring, and systems stability across a high-density corporate environment. Troubleshooting tier-1 and tier-2 network connectivity, routing, and hardware incidents under strict SLA targets. Managing Active Directory, user permissions, and local server environments. Acting as key technical liaison between the consultancy and the client's IT operations. Documenting system architectures, network configurations, and operational workflows. Monitoring system performance and network bandwidth. Implementing and maintaining local endpoint security measures. Assisting with deployment and configuration of local infrastructure projects and hardware refresh initiatives.
Managed SSL/TLS certificate lifecycles to ensure secure data encryption. Administered domain portfolios and advanced DNS configurations. Executed infrastructure and DNS migrations to Cloudflare. Developed automated workflows using the WooCommerce API to process and format XML data. Designed and managed multiple websites using the WordPress platform. Configured custom domains and cloud integrations for Microsoft 365 and external web hosting platforms. Provided specialized technical support to clients.
Configured and installed CCTV surveillance systems and IP cameras. Installed and configured Point of Sale (POS) systems and network peripherals including thermal printers. Performed preventive and corrective maintenance on hardware and IT equipment. Provided first-line technical support and hardware device configuration for business clients.
Certificates
Introduction to Cybersecurity
Cisco Networking Academy2026
SC-900: Microsoft Security, Compliance
Microsoft2026
AZ-014: Azure Administrator Associate
Microsoft2026
CCNA (Cisco Certified Network Associate)
Cisco2026