Ricky G. Jamero

Senior Unix/Linux System Administrator

Professional Summary

Senior Unix/Linux System Administrator with over 15 years of enterprise IT experience across diverse global organizations, including Optum, DXC Technologies, FireEye, UBS AG, NYSE Technologies, and Hewlett Packard. Proven expertise in managing critical infrastructure within banking, financial markets, telecommunications, cybersecurity, healthcare, and BPO sectors. Certified in Microsoft Azure Fundamentals (AZ-900) and Linux Professional Institute LPIC-101, complemented by advanced training in AWS Systems Operations and Red Hat Linux Administration (RH254, RH033, RH133). Demonstrates deep technical proficiency in Unix/Linux operating systems (Red Hat Enterprise Linux, Solaris, AIX, HP-UX), enterprise application management, core network services, VMware virtualization, storage architecture, and server hardware provisioning. Adept at automation using Bash, Python, Puppet, Chef, and Ansible, and developing self-service solutions.

Work experience

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Technical Skills Explorer

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Education & Certifications

Education

Bachelor of Science in Information Technology

Polytechnic University of the Philippines | 2005-2009

Key Certifications

Training