Open to work · IT Security & Infrastructure Officer

IT Infrastructure & Security

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./view_experience
./contact
jamo@otatats: ~

$ whoami

John Anthony Otayco

$ cat role.txt

IT Infrastructure & Security

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San Fernando City, Cebu, Philippines

$ systemctl status security

[ OK ] monitoring · incident response · hardening

$ cat about.md

About

IT Support Team Lead with 7+ years of experience in Managed Service Provider (MSP) and enterprise environments. Currently part of the security team, actively involved in cybersecurity monitoring, incident response, vulnerability remediation, and secure infrastructure operations. Strong hands-on background in Microsoft 365, Active Directory, endpoint security, and patch management, with proven leadership in guiding engineers, handling escalations, and supporting security-driven initiatives.

years in IT
+
roles
certifications
core skills

$ ls ./skills

Skills

Automation

  • PowerShellProficient
  • Power AutomateProficient

Cybersecurity

  • Cybersecurity Incident ResponseExpert
  • Threat & Vulnerability ManagementProficient
  • Security Policy EnforcementProficient
  • EDR/XDR (Huntress, Bitdefender)Expert
  • Proofpoint, Endpoint & Email SecurityExpert

Identity & Cloud

  • Microsoft 365Expert
  • Azure AD (Entra ID)Proficient
  • Active DirectoryExpert

Infrastructure

  • Windows ServerProficient
  • Group PolicyProficient
  • Patch Management & Infrastructure MonitoringExpert

Leadership

  • IT Operations LeadershipProficient
  • MSP & Client-Facing SupportExpert
  • Mentoring EngineersProficient

$ history | grep work

Experience

  1. IT Support Team Lead

    Geidi IT Services · Cebu, Philippines

    CURRENTOct 2025 – Present

    >Lead and mentor IT support engineers in an MSP environment

    >Oversee daily operations, escalations, and incident response, including security-related incidents

    >Participate as part of the security team supporting threat monitoring and vulnerability remediation

    >Coordinate infrastructure projects, system upgrades, and security implementations

    >Collaborate with cybersecurity teams on EDR/XDR deployment and policy enforcement

    >Ensure patch management, system hardening, and compliance

  2. IT Support Engineer – Subject Matter Expert (Cybersecurity)

    Geidi IT Services · Cebu, Philippines

    Mar 2025 – Oct 2025

    >Senior escalation point for security monitoring, threat analysis, and incident response

    >Managed Proofpoint, Huntress, Bitdefender, and endpoint security solutions

    >Assisted with identity and access management and security policy implementation

    >Mentored junior engineers on secure troubleshooting practices

  3. IT Support Engineer (On-site Assignments)

    Geidi IT Services · Perth, Australia

    Sep 2023 – Apr 2025

    >Delivered onsite infrastructure and end-user support in business-critical environments

    >Assignments: Sep 2023 – Dec 2023 and Jan 2025 – Apr 2025

  4. IT Support Engineer

    Geidi IT Services · Cebu, Philippines

    Apr 2018 – Mar 2025

    >Administered Microsoft 365, Active Directory, Windows Server, and networking services

    >Managed patching, Group Policy, system configuration, and technical documentation

    >Responded to security alerts and assisted in risk remediation

    >Automated routine tasks using PowerShell and Power Automate

  5. Technical Helpdesk Analyst

    Atos · Cebu, Philippines

    Jul 2017 – Apr 2018

    >AD password resets, Exchange management, and Windows support

    >Delivered customer-focused Tier 1–2 technical service

  6. Technical Support Representative

    Convergys · Cebu, Philippines

    Jul 2017 – Apr 2018

    >Assisted U.S. clients with broadband and home network support

    >Handled billing concerns and router/modem troubleshooting

$ gpg --list-keys

Certifications & Education

Microsoft

SC-900: Microsoft Security, Compliance & Identity Fundamentals

Microsoft

AZ-900: Microsoft Azure Fundamentals

Cisco Duo

Certified Duo Help Desk Administrator

Google

Google IT Support Specialization

Microsoft

PL-900: Microsoft Power Platform Fundamentals

Education

Bachelor of Science in Information Technology

AMA University · Zamboanga City, Philippines

$ ls ./projects

Projects

★ Featured

The Inner Mirror

codex.otatats.top

A self-reflection web app inspired by Carl Jung's archetypes: explore twelve archetypes to understand your persona, shadow, and inner tensions.

Web AppSupabasePrivacy by designUX
visit site ↗details →

$ ssh contact@otatats

Get in touch

Hiring for security, infrastructure or IT operations? I'd like to hear about it.