Summary
Overview
Work History
Education
Skills
Timeline
Tools And Tech Stack
Project Highlights
Hi, I’m

DREXLER DUMAS LIBOR

IT Specialist | Support Cyber Security
Mactan Lapu-Lapu City
DREXLER DUMAS LIBOR

Summary

Strategic and vigilant Cybersecurity Support Analyst with 2+ years of proven experience protecting enterprise-level systems, data, and networks from evolving cyber threats. Adept at conducting threat hunting, vulnerability assessments, incident response, and SIEM analysis. Played a key support role in fortifying a Fortune 500 enterprise's defense against over 2 million annual threat events. Dynamic IT Specialist with a proven track record at RESULTSCX, adept at enhancing system efficiency and user support. Successfully led modernization projects, improving productivity for over 1,700 users. Skilled in IT consulting and customer success management, with a strong focus on delivering high-quality solutions and fostering vendor relationships. Experienced IT professional with strong background in system administration, network security, and technical support. Skilled in troubleshooting, software installation, and optimizing IT infrastructure for peak performance. Known for effective team collaboration and adaptability in dynamic environments, consistently delivering reliable results. As IT professional, well-versed in providing comprehensive technical support and managing complex IT systems. Recognized for fostering team collaboration and driving successful project outcomes. Reliable and adaptable to changing technological needs, with proficiency in troubleshooting and network administration.

Information Security Specialist with passion for aligning security architecture plans and processes with security standards and business goals. Extensive experience developing and testing security framework for cloud-based software. Versed in robust network defense strategies.

Overview

9
years of professional experience
3
years of post-secondary education

Work History

ResultsCX
Mactan Newtown, Mactan Lapu-Lapu City

IT Specialist | Site IT
03.2020 - Current

Job overview

  • Configured over 2,000 hardware, devices, and software to set up work stations for employees
  • Managed 2,000 to 2,500 hardware and software inventory, ensuring timely updates and replacements as needed
  • Maintained 3 servers, 4 client servers and 8 systems to keep networks fully operational during peak periods
  • Explained technical information in clear terms to promote better understanding for non-technical users
  • Enhanced system efficiency by implementing and maintaining IT infrastructure upgrades with Cisco devices from 2 Power Firewalls, 23 Cisco Switches, 20 Cisco WAP upgrade/installation
  • Established strong relationships with vendors, negotiating favorable contracts while maintaining high-quality products and services
  • Developed customized software solutions with over 1,700 employees WFH & Onsite users for improved business processes and increased productivity
  • Led 4 Campaign migration projects to modernize legacy systems for over 1,500 system units without disrupting daily operations or compromising security standards

ResultsCX
Mactan Newtown, Mactan Lapu-Lapu City

Support Cybersecurity Analyst
01.2023 - Current

Job overview

  • Spearheaded the implementation of a 24/7 SOC (Security Operations Center), reducing incident response time by 58%
  • Proactively monitored and analyzed logs via Barracuda Security, Splunk & Sentinel, mitigating 1,200+ critical alerts within SLA

ResultsCX
Mactan Newtown, Mactan Lapu-Lapu City

Customer Experience Specialist
03.2019 - 09.2020

Job overview

  • I started out at ResultsCX as a Customer Service Representative, where I spent a year and a half helping customers with everything from billing concerns to product support
  • But I wasn’t just answering calls—I was learning the ins and outs of the systems we used, figuring out faster ways to solve problems, and jumping in to help teammates when they hit tech snags
  • Kept my customer satisfaction scores consistently high (95+)
  • Helped cut down handling time by creating simple guides and tool shortcuts
  • Flagged recurring issues that helped improve internal systems
  • Supported fellow CSRs with tool and tech issues—even before I was officially in IT

MAPLE
MEPZ 1, Pusok, Lapu-Lapu City

Quality Control Inspector | Production Spot Welding
02.2016 - 02.2019

Job overview

  • Inspected over 5,000 to 10,000 incoming and outgoing materials for accuracy and quality
  • Communicated with 700 production team members about quality issues
  • Inspected quality of products, taking note of functionality, appearance and other specifications
  • Improved product quality by conducting thorough inspections and identifying defects in a timely manner
  • Performed root cause analysis to identify and resolve defects with over 500 to 800+, improving quality standards
  • Investigated customer complaints related to product quality, working closely with manufacturing teams to resolve concerns swiftly
  • Maintained compliance with industry regulations through meticulous record-keeping and documentation of inspection results

Education

Cebu Technological University
Cebu City

Bachelor of Science from Information Technology
03.2013 - 03.2016

Skills

Threat Detection & Incident Response

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Timeline

Support Cybersecurity Analyst

ResultsCX
01.2023 - Current

IT Specialist | Site IT

ResultsCX
03.2020 - Current

Customer Experience Specialist

ResultsCX
03.2019 - 09.2020

Quality Control Inspector | Production Spot Welding

MAPLE
02.2016 - 02.2019

Cebu Technological University

Bachelor of Science from Information Technology
03.2013 - 03.2016

Tools And Tech Stack

Splunk, Sentinel, QRadar, CrowdStrike, Carbon Black, AWS, Azure, GCP, Python, PowerShell, Bash, Wireshark, OpenVAS, OSINT Frameworks

Project Highlights

Insider Threat Detection Engine – Windows Defender, Developed and deployed a custom SIEM correlation rule set that detected abnormal insider behavior, leading to the identification of a breach attempt., IT Support to Developed a user-friendly chatbot designed to assist employees with common technical and security-related issues. The bot provided instant support for software, hardware, and access concerns, improving response time and reducing helpdesk workload.
DREXLER DUMAS LIBORIT Specialist | Support Cyber Security