Christian Espina
TAYSAN,Batangas
Summary
With nearly four years in cybersecurity within telecommunications and private security, a strong commitment to enhancing cyber defenses and addressing evolving threats has been demonstrated. Experience in high-pressure environments and advanced technical skills contribute to consistent excellence. The opportunity to advance within organization is eagerly anticipated, with a focus on strengthening security posture and protecting digital assets. Organized and dependable candidate successful at managing multiple priorities with a positive attitude. Willingness to take on added responsibilities to meet team goals.
Overview
5
5
years of professional experience
Work History
Security Analyst
Satellite Office
07.2022 - 08.2024
- Coordinated incident response efforts across multiple departments, fostering teamwork in resolving complex issues effectively.
- Assisted in successful completion of security audits, resulting in a boost of client trust and confidence.
- Maintained up-to-date knowledge of emerging threats by attending professional development events and staying informed on industry trends.
- Analyzed log files for anomalies, identifying potential intrusions or malicious activity before significant damage occurred.
- Enhanced security monitoring capabilities by upgrading to more sophisticated surveillance tools, providing real-time alerts on potential security infringements.
- Collaborated with IT department to ensure seamless integration of security measures with existing infrastructure, enhancing overall system robustness.
- Recommend improvements in security systems and procedures.
- Monitor networks, computers, and applications looking for events and traffic indicators that signal intrusion or indicators of compromise
- Responsible for evaluating security logs, defining how logs must be parsed to make them usable for detection rules on SIEM platform and writing new detection rules.
- Create cyber security report base on client request.
- Perform incident response and investigation on all incoming alerts on SIEM.
- Creating SIEM dashboard to other Geolocation Team and clients.
- Performing data analytics using Power-Bi with use of SIEM logs.
- Answering client inquiries using our ticketing system ServiceNow.
Security Solution Engineer
Next Generation Technology
03.2022 - 07.2022
- Resolved complex issues by utilizing strong analytical skills and innovative problem-solving techniques.
- Build security policy and standard and requirements for newly established SOC.
- Used in different security tools like SIEM, SOAR,Cloud and EDR.
- Prepare reports that identify technical and procedural findings and provide.
recommended remediation strategies/solutions. - Capture and analyze network traffic associated with malicious activities using network monitoring tools.
- Used OSINT for investigation for internal and external alerts.
- Investigation using different application tools for effective results.
- Reviewed problem logs to identify recurring problems and coordinated issue resolution activities.
Cyber Security Analyst
EPLDT
03.2021 - 02.2022
- Monitored for continued compliance with internal security controls, policies, regulations, and laws
- Analyzed security incidents post-resolution, identifying areas for improvement in both technical controls and incident response processes.
- Reduced false positive alerts in security monitoring systems by fine-tuning detection parameters, enhancing operational efficiency.
- Customized and managed security information and event management (SIEM) systems for real-time threat detection and analysis.
- Played key role in regulatory compliance projects, ensuring adherence to industry standards and legal requirements related to cybersecurity.
- Recommend improvements in security systems and procedures.
- Identifies, evaluates and reports information security threats for EPLDT Group and EPLDT Clients.
- Onboarding client on the security services of the company.
- Create daily and monthly report as requested by the clients.
- Performs vulnerability assessment as client onboarding on the security.
Service Desk Analyst
Yondu. Inc
08.2020 - 02.2021
- Entered service tickets into incident tracking system to facilitate faster problem identification and resolution.
- Discussed customer concerns regarding the user experience on the application to promote improved user experience.
- Contributed to knowledge base articles, sharing expertise with colleagues and improving overall team capabilities.
- Conducted regular reviews of service desk metrics to identify areas for improvement and implement enhancements accordingly.
- Implemented remote desktop support tools to increase efficiency in resolving user problems remotely.
- Provided after-hours support as needed to minimize business impact during downtime events.
- Collaborated with IT teams to resolve complex issues, ensuring minimal downtime for end users.
- Monitored system performance to identify potential issues.
- Generated reports to track performance and analyze trends.
IT Support
Project T IT and Business Solutions
07.2019 - 08.2019
- Created help desk tickets, troubleshot and resolved desktop issues.
- Delivered onsite technical support for employees.
- Determined hardware and network system issues using proactive troubleshooting techniques.
- Answered questions and provided information to customers about new software or hardware.
- Optimized network performance with regular maintenance checks, software updates, and hardware upgrades.
- Prepared new computers and mobile devices according to internal policies on standardized software and security deployments.
- Used ticketing systems to manage and process support actions and requests.
- Provided Tier 1 IT support to non-technical internal users through desk side support services.
- Resolved escalated issues by serving as subject matter expert on wide-ranging issues.
- Updated software to safeguard against security flaws.
- Configured and tested new software and hardware.
- Created user accounts and assigned permissions.
- Generated reports to track performance and analyze trends.
- Patched software and installed new versions to eliminate security problems and protect data.
Education
Bachelor of Science - Computer Engineering
De La Salle Lipa
Lipa City, Province Of Batangas, Philippines03.2019
High School Diploma -
Our Lady Of Mercy Academy
Taysan, Province Of Batangas, Philippines04.2013
Skills
- Vulnerability Assessment
- Endpoint Security
- Security orchestration, automation and response (SOAR)
- Threat Intelligence
- Security Information and Event Management (SIEM)
- Incident Response
- Critical Thinking Skills
- Teamwork and Collaboration
- Problem-Solving
- Time Management
- Multitasking
- Organizational Skills
- Adaptability and Flexibility
- Time management abilities
- Active Listening
- Security compliance and standard
- Firewall
- Log Parsing
Timeline
Security Analyst
Satellite Office
07.2022 - 08.2024
Security Solution Engineer
Next Generation Technology
03.2022 - 07.2022
Cyber Security Analyst
EPLDT
03.2021 - 02.2022
Service Desk Analyst
Yondu. Inc
08.2020 - 02.2021
IT Support
Project T IT and Business Solutions
07.2019 - 08.2019
Bachelor of Science - Computer Engineering
De La Salle Lipa
High School Diploma -
Our Lady Of Mercy Academy
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