Sebastián Arámbulo Email & Phone Number

Paraguay

Asunción, Paraguay

Pioneered the implementation of Detection-as-Code (DaC) methodologies, enhancing version control, consistency in review and approval processes, and scaling maintenance across security detection rules.Led the integration of SaaS systems into Datadog using Python, leveraging best security practices and software development principles to enable comprehensive security alert detection and monitoring.Developed and automated incident response workflows by integrating Datadog with Slack, streamlining the escalation process and improving the mean time to resolve (MTTR) incidents through real-time alerts and efficient communication channels.

Paraguay

Acted as the primary responder for security incidents, analyzing alerts from Crowdstrike, Datadog, and phishing reports to ensure swift mitigation and resolution of potential threats.Led proactive threat hunting in Google Workspace, identifying risks and implementing enhanced security policies to strengthen the organization's defense against cyberattacks.Developed and fine-tuned detection rules within Datadog, classifying alerts into low, medium, high, and critical tiers to prioritize responses and reduce incident handling time.Collaborated closely with IT and Security teams to conduct comprehensive reviews of systems, user activities, and incident logs, fostering a unified approach to cybersecurity.

Paraguay

Configured and optimized FortiGate firewalls and switches, integrating Meraki and Aruba access points to enhance network security and connectivity.Redesigned network infrastructure by expanding access points, resulting in improved office connectivity and performance.Deployed and managed Proxmox environments for both testing and production servers, ensuring robust virtualization solutions.Implemented Performance SLAs and proactive monitoring with Zabbix, tracking key metrics like jitter, packet loss, latency, and device uptime.Monitored network infrastructure using SNMP and SYSLOG-NG, ensuring smooth daily operations and swift issue resolution.Integrated FortiGate with Datadog through SNMPv3 for real-time alert monitoring, enhancing incident response capabilities.Led cybersecurity training for staff, focusing on social engineering prevention and best practices to strengthen organizational security.

Asunción, Paraguay

Led the development and maintenance of Power BI dashboards and Excel reports, enhancing data visualization and enabling data-driven decisions for Revenue Management and senior leadership.Streamlined the monthly financial closure process by automating data workflows with Power Query, resulting in faster and more accurate Net Revenue reporting.Conducted in-depth analysis of client behavior, brand performance, and revenue trends, identifying key drivers of seasonality and discount impacts to optimize business strategies.

Paraguay

-Utilize analytical skills to interpret commercial data, generating valuable insights and Key Performance Indicators (KPIs) to support effective decision-making and reporting.-Developed and maintained a local data warehouse to streamline and significantly improve the reporting process, achieving an 80% reduction in time.

Paraguay

Correct pricing and discount misconfigurations in the company's ERP system to ensure accurate and consistent pricing.