- Conducted ethical hacking for banking, petroleum, and raw material production entities, typically medium to large companies.- Coordinated and trained new employees on methodologies, technical queries, and work improvements.- Provided ongoing feedback and continuous monitoring of collaborative work.- Performed web pentesting, infrastructure, Active Directory assessments, and various security bypass techniques.- Created technical and executive reports on identified vulnerabilities.- Planned architecture for effective pentesting.- Demonstrated proactivity in implementing automations.

- Managed SIEMs (McAfee and Helix), created security alarms, dashboards, and improved current alerts.- Conducted forensic investigations on individual systems and servers using Orion tool and created security incident reports.- Conducted cyber intelligence investigations on ongoing alerts to identify and mitigate targets.- General investigations into company procedures and infrastructure to mitigate user malpractices.- National hardening campaign to improve security based on human error prevention.

- Attended and analyzed SOC incidents for CRMC/CSIRT (MCAS, Microsoft 365, Qradar, Tiboli).- Performed event analysis and correlation in SIEM, using AQL for advanced queries.- Monitored and identified threats such as malware and ransomware.- Advanced threat detection analysis for phishing (email/web).- Reviewed security controls and asset compliance (EPO, Bigfix, Bitlocker).- Controlled and monitored equipment, server, and application indicators.- Analyzed and followed up on vulnerability reports detected through Threat Intelligence.- Detected false positives and normal behavior events to improve correlation rules.- Monitored and detected vulnerabilities on devices using company tools (Tenable, MVision McAfee).- Analyzed alerts for suspicious process executions in Windows.- Implemented and improved cybersecurity processes.

General network monitoring, Secure CRT, Level 3 incident management.- Configured clients in GPON technology, ONUs (ZTE, Cisco, Huawei).- ABMinStech, DSA, RIM, Tacacs, Google Tools, ONT changes via DSA Stech.- Resolved tickets in InvGate, EDR, and ERM.- Monitored with Zabbix, Tivoli IBM, Mira, Pandora FMS - Integria.- Recorded, tracked, and resolved massive incidents, network events, and customer complaints.- Managed claims to carriers and providers.- Verified Datacenter alarms.- DWDM(FONetworkPathManager).- Documented activities and procedures.- Managed system infrastructure, IT, Gispanel, Network Manager.- Migrated VMs (VmWare).

- Monitored and analyzed applications, hardware, and links using agile methodologies and scrum with the team.- Implemented monitoring circuits and alert processes.- Generated proactive and reactive reports.- Generated reports and analyzed events in Zabbix.- Managed incidents and requests through InvGate Service Desk.- Created Python scripts to automate new implementations.- Administered tools:- Zabbix 5.0- CentOS 7- CATechnologies APM- Application Performance Management- Grafana- Slack- Trello- Jira