• Automating the vulnerability discovery process either at network or at web applications in order to verify their exposure levels using the Tenable One.• Implementation of scans via Nessus Agent on all workstations, due to the Home Office scenario.• Analyzing possible malware indicator on the network, from alerts sent by our partners (SNOC).• Administration of the SentinelOne EDR solution.• Automating the detection and response process at network level using the Darktrace solution.

• Implementing improvements in systems and processes, aiming to guarantee confidentiality, integrity and availability.• Fixing vulnerabilities that were brought after performing vulnerability scans using either Nessus or Tenable.io.

• Managing Flexera Vulnerability Management Software to effectively protect our environment against security flaws providing a reliable patch management process, mitigating security risks on many different operation systems and software platforms.• Performing vulnerability scans using tools such as Nessus, Tenable IO, Acunetix or Qualys.• Executing logs correlation and managing incidents using the SIEM IBM QRadar.• Managing a comprehensive endpoint anti malware and data loss prevention tool using the powerful McAfee ePolicy Orchestrator.• Providing reliable VPN services using Juniper Secure Pulse solutions.• Managing user accounts and roles on IBM Security Identity Manager.• Supporting password vault solutions such as CA PIM and Senhasegura.• Working alongside our security team across the globe when necessary.

• Managing Flexera Vulnerability Management Software to effectively protect our environment against security flaws providing a reliable patch management process, mitigating security risks on many different operation systems and software platforms.• Administering and deploying McAfee Agent, VSE, HIPS, DE, FRP to all required workstations and servers. Centrally managing McAfee related settings using ePO servers. Managing workstation anti-virus software, DAT, and engineer updates. Performing virus scans and updates as scheduled.• Performing vulnerability scans using either Nessus to our internal environment or Tenable IO to our external services and Acunetix when talking specifically about web application services.• Executing logs correlation and managing incidents using the IBM QRadar.• Providing reliable VPN services using Juniper Secure Pulse solutions.• Managing user accounts and roles on IBM TIM.• Working alongside with our ISO team across the globe when necessary.

• Configured security settings and web access rules in firewalls/proxy such as Palo Alto and Microsoft TMG.• Analyzed network data to determine network usage, performing reports to our customers either about attack attempts or malware infections.• Operated management consoles such as Zabbix and Splunk to monitor performance and availability of systems and network links.• Worked together with our provider and customers as well, to solve hardware or software problems and replacing faulty components when necessary.• Created or updated technical documentation to facilitate team work.• Management of the additional following tools: Cisco Meraki and Microsoft NPS, Active Directory Certificate Services and Directory Services.

• Proactive management of Active Directory environment, maintaining the health and eliminating possible risks by deploying best practices and access policies.• Implemented solutions that reduced single points of failure and improved system uptime from around 69% to 99.9% availability, such as VMware vCenter Heartbeat 6.6, Microsoft DFS File Servers, Microsoft Clusters for SQL environments, Microsoft DHCP Load Balance and Failover, achieving all of it using the Windows Server 2012 R2 technologies.• Recommended changes to improve systems and network configurations, and determine hardware or software requirements related to such changes.• Installed new hardware or software systems or components, ensuring integration with existing network systems.• Diagnosed, troubleshooted, and resolved hardware, software, or other network and system problems, and replaced defective components when necessary.• Analyzed network data to determine network usage, disk space availability, or server function.• Created or updated technical documentation for network installations or changes to existing installations.

• Acted as Microsoft Specialist using the Microsoft ADRAP tool to execute a daily assessment on customers Active Directory environment.• Configured, monitored, and maintained email applications, anti-spam, proxy servers and virus protection software.• Operated master consoles to monitor computer performance of systems and networks, and to coordinate computer network access and use.• Acted on projects involving Microsoft architecture, managing, implementing and migrating environments.• Troubleshooted network or connectivity problems for users or user groups.• Configured security settings or access permissions for groups or individuals.

• Managed the entire business environment, deploying access policies and network services.• Administrated virtualized environments using either Microsoft or VMware technologies.• Installed, configured and administrated data-center's hardware.• Antivirus administration, monitoring data links and network devices.• Executed preventive and corrective support to our clients either internal or external.• Researched and evaluated the network technology to recommend purchases of network equipment.• Responsible for the installation and physical maintenance of all network components throughout the company.