Professional Summary
Senior IT Systems Administrator with 25+ years of experience delivering reliable, secure, and scalable infrastructure across hybrid (on-premise and cloud) environments. Expert in Windows and Linux administration, virtualization, networking, and disaster recovery. Proven track record in improving system uptime, optimizing monitoring and alerting, and accelerating operations through automation and AI-assisted tooling (Claude, OpenAI, Gemini).
Core Skills
• Infrastructure Management (Windows Server, Linux)
• Cloud & Virtualization (AWS, Azure, VMware/Hyper-V)
• Backup, Disaster Recovery & Business Continuity
• Monitoring, Alerting & Incident Response (SLA-driven)
• Networking (VPN, Firewalls, Routers, Switches)
• Automation & Configuration Management (Ansible, Bash, PowerShell)
• Security, Hardening & Patch Management
• Active Directory & Identity Management
• AI-Assisted Operations (Claude, OpenAI, Gemini for scripting, troubleshooting, and documentation)
Experience: 10+ years
AWS Cloud Engineer with extensive experience designing, deploying, and managing scalable cloud infrastructure using AWS services such as EC2, S3, VPC, and IAM. Proven expertise in high availability architecture, cost optimization, security best practices, and performance tuning. Skilled in monitoring, backup and disaster recovery, and automation to support reliable, production-grade environments.
Experience: 10+ years
Linux Systems Administrator with 10+ years of experience managing and maintaining production servers across on-premise and cloud environments. Skilled in system administration, performance tuning, security hardening, and automation using Bash and configuration management tools. Experienced in managing services such as DNS, DHCP, web servers, databases, and VPNs, ensuring high availability, reliability, and security. Proven ability to troubleshoot complex issues, optimize system performance, and support scalable infrastructure.
Experience: 10+ years
Windows Systems Administrator with 10+ years of experience managing and maintaining enterprise Windows environments. Skilled in Active Directory, Group Policy, Windows Server administration, patch management, and system monitoring. Experienced in managing file servers, DNS, DHCP, virtualization platforms, and ensuring system security, reliability, and performance. Proven ability to troubleshoot complex issues and support business-critical infrastructure.
Experience: 10+ years
Senior Network Administrator with extensive experience designing, implementing, and managing secure and scalable network infrastructure. Expertise in routers, switches, firewalls, VPNs, and network services (DNS, DHCP). Proven ability to optimize network performance, ensure high availability, and troubleshoot complex connectivity issues across multi-site environments. Strong focus on security, monitoring, and infrastructure reliability.
Onlinejobs.ph "ID Proof" indicates if "they are who they say they are".
It DOES NOT indicate skill level.
ID Proof scores are 0 - 99 with 99 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake identity.