Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Erik Serrano

Summary

Results-driven IT professional with 12 years of experience in network engineering and information security. Proven expertise in incident response, network and security architecture. Demonstrated leadership as a team leader, complemented by strong technical acumen. Cultivated in multicultural workplaces, showcasing adaptability and a commitment to continuous learning. Seeking to contribute comprehensive skills to a dynamic organization

Overview

13
13
years of professional experience
1
1
Certification

Work History

Senior Information Security Analyst

NCS Pte Ltd
01.2021 - Current

On my 1st year i was under agency contract until NCS absorbed me directly. Agency name is ITCAN Pte Ltd.

  • Oversee and conduct continuous monitoring of security alerts and events to identify potential threats. Utilize SIEM tools to analyze logs and data from various sources for anomaly detection
  • Identifying and reporting false positives for refinement in event detection and analysis.
  • Collaborating with manager to enhance efficiency through automation initiatives in our responsibilities.
  • Coordinating and collaborating with penetration testing teams to simulate real-world attacks, identify vulnerabilities, and validate the effectiveness of security measures..
  • Perform effective communication skills to collaborate with cross-functional teams, including IT, legal, and management, ensuring a cohesive and well-coordinated response to security incidents.
  • Proactively searching for signs of malicious activity within the network, utilizing advanced analysis techniques and tools to identify and mitigate potential threats.
  • As a Team Leader, I am providing guidance and mentorship to junior analysts, contributing to the development of a skilled and knowledgeable security team.
  • Manage team members' leave, ensuring smooth operations and adequate coverage for responsibilities.
  • Evaluate team performance, providing insights for annual reviews and reporting to management.

Senior Network Engineer / Manager

Gosstech Pte Ltd
07.2020 - 01.2021
  • Network design and architecture for client office.
  • Analyze technical requirement, perform network design, planning and setup of network systems
  • Provide network operation support, problem determination, troubleshoot network incidents and escalate to vendor and higher management accordingly
  • Lead and improve network design and implementation of network solution
  • Manage the inventory of network devices
  • Arranging scheduled upgrades
  • Maintain network performance by performing network monitoring, analysis, and fine tuning.
  • Create and maintain documentation related to network configuration, policies, procedures, and service records
  • Participate and provide technical support projects wherever and whenever required
  • Setup partnership with distributor

Consultant, Systems

NCS Pte Ltd
03.2019 - 06.2020
  • Consultant to Government agencies regarding Government Private Cloud services.
  • Provide 24x7 Private Managed Cloud infrastructure support to ensure smooth operations that conformed to the agreed Service Level Agreement (SLA).
  • Perform and manage routine preventive maintenance and operational activities such as service requests, report generation, incident response, and patch management.
  • Perform Cloud infrastructure monitoring and escalation as per standard operations procedures
  • Assist Government Agencies in solving issues related to Private Managed Cloud platforms.
  • Provide support to Government Agencies on a variety of system technologies including Microsoft Windows Server OS, Unix/Linux OS, Hypervisor and Middleware
  • Responsible for 24x7 health check of infrastructure such as, Firewall, Web Proxy, SFTP, SMTP, Vulnerability Management Scanners, NIPS, HIPS, Server Host, Hyperconverged Host.
  • Responsible for monitoring of Network Devices, Server Host, Hyperconverged Host to ensure its availability
  • Responsible for bandwidth monitoring of infrastructure such as ISP and cross DC and Backup link.

Information Systems Engineer

Telistar Solutions Pte Ltd
06.2017 - 02.2019

On my 1st year my work permit is tied to Telistar partner named Gekko Pte Ltd.

  • Responsible for the overall management of IT functions of the organization.
  • Perform day-to-day management in network and systems administration, network security, disaster recovery, systems backup & maintenance.
  • Assist Program Director, Sales Manager in Pre-Sales, Tender Bidding, projects planning and scoping and technical solution.
  • Design a Network and System architecture based on clients’ requirements and specification.
  • Perform Infrastructure project implementation and project hand over to the Managed Service Team
  • Perform Network devices configuration of Router, Wireless Router, Switches and Firewall.
  • Perform Server or System configuration of Exchange Server, File Server, System Virtualization, and Application.
  • Perform Project Documentation and Reports Submission for Projects.
  • Managing distributors, vendors, and contractors on sourcing for IT services and products.
  • Conduct technical training to the managed service team that been assigned to project sites.
  • Escalation and liaison with vendor upon arrival with replacement parts.
  • Manage hardware and software inventory check (Hardware and Software asset tagging)

Security Operations Management Analyst

Accenture
03.2015 - 01.2017
  • Perform initial level of problem identification and attempts to resolve an incident/issue
  • Performs incident notification and escalation to ensure problems/request/issues are communicated effectively and receiving proper management attention.
  • Assists with monitoring and tracking incidents to ensure resolution occurs within the customer Service Level Agreement.
  • Ensures that correct resolutions are found and involves appropriate areas in resolving problems when needed
  • Maintains internal procedural standards relating to support role as required
  • Analyze potential infrastructure security incidents to determine if incident qualifies as a legitimate security breach.
  • Monitor devices for potential threats
  • Participate/Conduct in/a knowledge sharing with other analysts and develop solutions efficiently
  • Security Information and Event Management
  • SME for two Factor authentication using RSA security console together with Cisco ACS and Checkpoint firewall for VPN connection
  • SME for Public Key Infrastructure – Internal and External SSL Certificates renewal.
  • Anti-Virus Monitoring and Vulnerability Management

Network Engineer

IPTel Software Solutions Inc
03.2011 - 01.2015
  • Monitor the performance & availability of systems using The Dude and Cacti.
  • Provide L1 support and dispatch trouble tickets to L2 and L3 field engineers in Jamaica.
  • Provide L2 technical support at local customers’ sites.
  • Configure Proof of concepts for deployment.
  • Configuration Access Controller, Radios, Access Points and Bridges. (Mikrotik, Ubiquiti and Altai)
  • Provide schedule and reports on the performance of each member of NOC.
  • Provide documentation used in project implementations such as procedures, flowcharts, network diagram etc.

Education

Bachelor of Science - Computer Engineering

Far Eastern University - East Asia College
Philippines
09.2012

Skills

Security

  • Expertise in as SIEM (Security Information and Event Management), EDR (Endpoint Detection and Response)
  • Log searching and process analysis
  • Experienced in identifying and responding to security incidents
  • Skilled in analyzing and containing security incidents to minimize impact
  • Knowledge in Vulnerability Management
  • Experienced in installing, administering, configuring and troubleshooting of firewalls such as Cisco, Juniper, Checkpoint, Palo Alto, Fortigate, Sonicwall and VMWare NSX
  • Experienced in administration and configuration of Load Balancer, WebProxy, HIPS/NIPS, and Anti VirusExperienced in management of two factor authentication
  • Experienced in Certificate management

Network

  • Experienced in campus network design and architecture
  • Experienced in working in Data Center
  • Knowledge in routing protocols such as RIP, EIGRP, OSPF and BGP
  • Experienced in switching protocols such as VLANs, Ether Channel and Layer 3 switching
  • Knowledge in network security of Access Control Lists
  • Experienced in Network Management Systems
  • Experienced in TCP/IP, DNS, SSH, Telnet, SMTP, and FTP
  • Knowledge in virtual network such as VMWare NSX
  • Experienced in SD-WAN and Load balancing
  • Experienced in Policy based Routing / Forwarding

Certification

  • CISSP - Certified Information System Security Professional
  • CC - Certified in Cybersecurity
  • VMware - Data Center Virtualization
  • CCNA - Cisco Certified Network Associate

Timeline

Senior Information Security Analyst

NCS Pte Ltd
01.2021 - Current

Senior Network Engineer / Manager

Gosstech Pte Ltd
07.2020 - 01.2021

Consultant, Systems

NCS Pte Ltd
03.2019 - 06.2020

Information Systems Engineer

Telistar Solutions Pte Ltd
06.2017 - 02.2019

Security Operations Management Analyst

Accenture
03.2015 - 01.2017

Network Engineer

IPTel Software Solutions Inc
03.2011 - 01.2015

Bachelor of Science - Computer Engineering

Far Eastern University - East Asia College
Erik Serrano