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Atos · México

• Support SRE, cloud-aligned, and modern infrastructure operations for MassMutual and Liberty Mutual mainframe environments.
• Administer and troubleshoot logical security across RACF and ACF2, including identities, groups, permissions, datasets, and protected resources.
• Work with z/OS UNIX System Services (USS) to analyze permissions, files, services, and operational issues from the command line.
• Investigate access failures and production incidents, coordinate remediation, document root causes, and improve operational reliability.
• Develop and maintain Python and Ansible automation for recurring validations, reporting, evidence collection, and administrative workflows.
• Create and maintain runbooks, technical documentation, and repeatable procedures that support consistent delivery and continuous improvement.

IBM · Guadalajara, Jalisco

• Led technical execution for mainframe logical security activities, providing guidance on RACF administration, access controls, incidents, and audit requirements.
• Coordinated priorities and supported team members in troubleshooting complex access and operational issues across enterprise z/OS environments.
• Drove Python and Ansible automation for employee revalidation, recurring security controls, reporting, and standardized evidence generation.
• Reviewed technical changes and collaborated with stakeholders, auditors, and infrastructure teams to track remediation, document procedures, and communicate technical risks.

IBM · Guadalajara, Jalisco

• Provide technical support for access control, security administration, and operational issues for enterprise environments.
• Investigate access-related incidents and support remediation activities through command-line analysis and technical validation.
• Administer RACF identities, groups, and resource profiles aligned with security policies, audit requirements, and operational controls.
• Develop and maintain Python + Ansible automation to reduce manual effort in recurring validations, reporting, and remediation support.
• Process zSecure/CKRCARLA and SMF-driven outputs into standardized evidence for audits, findings follow-up, and compliance activities.
• Support operational troubleshooting, documenting root causes, corrective actions, and repeatable procedures for the team.
• Work with ServiceNow and GitHub Enterprise to improve traceability, ticket execution, and delivery consistency.
• Contribute to audit initiatives, remediation tracking, and continuous improvement of administrative and security processes.

Universidad del Valle del Fuerte S.C. · Los Mochis, Sinaloa

• Led day-to-day IT operations for servers, endpoints, networks, and user support, ensuring business continuity for academic services.
• Administered Windows and Linux-based infrastructure, supporting patching cycles, security updates, and hardening activities.
• Diagnosed server and service issues through direct technical access, including resource usage, storage, connectivity, and performance problems.
• Managed support tickets related to user access, application issues, and infrastructure performance, improving response consistency.
• Participated in server migrations, backup validation, and service transitions in hybrid/on-prem and Azure-supported environments.
• Built automation scripts for routine operational tasks such as inventory, backups, and provisioning.

Comercializadora Gisnet S.A. de C.V. · Sinaloa

• Installed, updated, and remediated software in regulated banking environments.
• Worked on Jira ticket queues: triage, documentation, troubleshooting, resolution, and escalation for critical incidents.
• Supported access and endpoint-related issues while coordinating directly with customers and internal teams.
• Delivered on-site technical support across multiple locations within a 250-km radius.

Nueva Senda College · Los Mochis, Sinaloa

• Supported servers, networks, CCTV-IP, and digital platforms, performing preventive and corrective maintenance.
• Troubleshot connectivity, endpoint, and access issues while maintaining basic technical documentation.
• Helped maintain system availability and operational readiness for classrooms and school services.

Agroequipos del Valle S.A. de C.V. · Los Mochis, Sinaloa

• Developed a data analysis project using Power BI and VBA to support reporting and operational decision-making.
• Assisted with technical field deployment tasks, including GPS equipment installation and validation.