Jairo Diaz Email & Phone Number

Lead a dynamic team in building and delivering secure software products by integrating security practices into the Software Delivery Life Cycle.

Madrid, Es

Oversees security operations team in charge of ensuring security compliance and protecting the security of multiple complex customer IT infrastructures in alignment with industry standards and best practices. Supervised implementation and maintenance for security controls for the organization certifications such as ISO 27001, SOC 1 & 2, and HIPAA.★ Leverages detailed security knowledge of technologies such as Endpoint Detection and Response, Next-Generation Firewalls, IDS/IPS, SIEM, and Vulnerability Management to generate effective solutions★ Collaborates and maintains relationships with external security vendors to ensure SLA compliance.★ Responsible for the internal corporate security, administering and monitoring security profiles, and review possible security violations.★ Increases security of client corporate assets by launching and maintaining client-to-site VPN access with two-factor authentication★ Spearheaded launch of Cortex XSOAR solution to automate alerts, context enrichment, and notification.

Madrid, Es

In charge of the updating of hardening guides, conducting an audit of systems to complying with IT security best practices, and performing vulnerability assessments. Served as liaison for the first line of data center management to create and improve processes for IT Service Operations. Additionally, acted as Security Officer for PCI Certified Environments.★ Implemented a log retention solution leveraging Syslog-NG and Python for log encryption and rotation★ Administered Thales HSM Payshield 9000 enabling the proper management and security of data encryption keys for a PCI environment★ Facilitated internal benchmarking as it applied to standard IT Managed Services offerings★ Delivered metric and performance-related reporting on the cost associated with internal and clients’ new projects★ Prepared documentation required for regularly scheduled internal client audits★ Promoted and monitored corporate Information Security awareness program within the operations team★ Implemented the McAfee ePO solution allowing internal endpoint protection with McAfee Virus Scan Enterprise Protection and Host Intrusion Prevention System

Madrid, Es

Performed various critical network security activities including security monitoring, analysis of security events and data sets, network health monitoring, and incident troubleshooting. Analyzed current events, threat actors, and campaigns.★ Accelerated compliance with contracted Service Level Agreements (SLAs) by following incident management lifecycle utilizing BMC Remedy★ Coordinated troubleshooting sessions discovering prompt solutions to network and security incidents★ Documented proper Reason for Outage and Root Cause Analysis for network and security incidents★ Partnered with the engineering team to execute network changes and corresponding documentation★ Conducted incident review meetings with clients to discuss incident resolution and preventative measures★ Evaluated and executed the integration of new customers in the AlienVault SIEM

★ Contributed to the new 3G Network launch participating in the implementation and configuration of key core network elements like the Base Station Controller (BSC), Mobile Switching Center (MSC), Media Gateway (MG), Packet Data Switching Node (PDSN), Home Location Register (HLR) and the AAA server.★ Successfully configuring and integrating a redundant Interactive Voice Response (IVR) for the voice mail system and a new Short Message Service Center (SMSC) over SIGTRAN (SS7 over IP). ★ Part of the team who lead the expansion and post-implementation testing of the National PSTN Interconnection.★ Fully engaged on the monitoring of core network KPIs and always looking for improvement in order to meet and exceed the industry standards.★ Successfully planning and configuring SIP Trunks with preselected international carriers like Sprint, Telco 214, Geotel, Verizon and AT&T.★ Day to day management of the National and International voice routing in order to balance voice quality and per minute costs in compliance with Finance Department.★ Backup handling and health check of Core Network Equipment like Huawei CSOFTX3000, UMG8900, HLR9820, BSC6680 and the AAA server.★ Configuration and Maintenance of SCCP Global Title routing tables to improve routing efficiency.★ Design, Creation and Management of the Preferred Roaming List (PRL) used by the company in order to improve and offer a better roaming experience to the customers. ★ Responsible for the improvement of the Company’s Answer to Seizure Ratio (ASR) to an average of 85% and thus increasing the revenue of the Company.★ Creation and Management of prepaid Data Bundles in the AAA to fulfill marketing and commercial requirements for the launch of the new Data Network.★ Managing of key elements of the Packet Switched Network (PSN) including PDSN, AAA (Radius Server), Home Agent (HA) and Foreign Agent (FA).