Venus G. Dionisio
Network Engineer | Network Project Engineer
Mandaluyong City, Metro Manila,00
Summary
I am Network and Security Engineer with 17+ years of experience in second-level troubleshooting, proactive network monitoring, and incident management across global IT infrastructures. Proven ability to resolve complex issues related to WAN, WLAN, LAN, VLAN, DMZs, Firewalls, Internet Proxies, Remote Access, and Partner Connections. Skilled in leading cross-functional troubleshooting task forces, performing root cause analysis, and driving service improvements.
Expertise in MPLS, BGP, EIGRP, QoS, and network security technologies, including Cisco LAN and Palo Alto Firewalls. Strong background in SD-WAN, cloud networking, and cloud security, with hands-on experience in AWS, Azure, and SaaS-based security solutions. Knowledgeable in cloud-based firewalls, VPNs, and zero-trust architectures.
Certified in CCNA/CCNP with a deep understanding of ITIL processes, compliance, and security standards. Proactive, results-oriented, and highly collaborative professional with a keen ability to plan, document, and execute solutions efficiently in fast-paced, hybrid cloud and on-premises environments.
Overview
17
17
years of professional experience
6
6
Certifications
Work History
Senior/Network Engineer
NCS PTE Ltd
10.2023 - 11.2024
- Company Overview: (Managed Service Provider)
- Initiate pre-emptive maintenance and vulnerability scans using Nessus Software, aligning with cloud security best practices
- Implemented and managed network devices, including firewalls (Checkpoint, Palo Alto) and switches, paving the way for a transition to cloud security roles
- (Managed Service Provider)
Network Operations/Project Engineer
TCS and KMC Solutions
10.2020 - 09.2023
- Company Overview: (Managed Service Provider)
- Implemented network security projects, including firewall configurations and IPSEC Tunnel setups, demonstrating a strong foundation in security principles applicable to network environments
- Enhanced security postures through the deployment of ClearPass Network Access Control and standardization projects
- Palo Alto Global Protect Solution Solutions for SSL VPN, Palo Alto Firewall Build Setup, Palo Alto/Cisco ASA IPSEC Tunnel Build
- Conducts vulnerability assessment of network devices using Nessus Software
- Network health review, proposal for upgrades and remediation to network devices of small enterprise clients
- (Managed Service Provider)
Senior/Network Engineer
NCS PTE Ltd and NEC Asia Pacific
12.2016 - 04.2019
- Company Overview: (Managed Service Provider)
- Provisioning of WAN Connection and migration of WAN kit (router, switch, and Optimizer Riverbed) from SingTel to Starhub
- Plan: Verify client's setup behind the WAN kit and the LAN subnets that must be advertised out to the Data Centre and Headquarters site
- Allocate & assign WAN IPs & AS number to sites, provide base configuration to Star Hub Field Engineer
- Proceed on Phase 1-4 of configuration, cutover and decommission of old WAN Kit
- Incident, requests, and project support for the network tech refresh of all devices that includes network switch, access points, firewall and network 3 tier architecture for web, application and database project support and setup
- Fine tuning & app-id implementation of policies and settings on the Palo Alto Firewall
- (Managed Service Provider)
Network Engineer/II
RESSP and Weserv
08.2013 - 06.2015
- Company Overview: (Managed Service Provider)
- Dedicated Network support for Asia Pacific sites who have been involved on the tech refresh of network devices following the standard configuration for merger of the Asia Pacific sites to the Global Network Infrastructure
- Incident and Request fulfillment and liaise with internal infrastructure team, vendors, and telecommunication carrier in resolution of incidents to ensure optimal configuration, maximum up time on services
- (Managed Service Provider)
Network Operations Engineer
Verizon Business and Eastern Communications
06.2007 - 08.2013
- Company Overview: (Telecommunications)
- Provides technical support to manage data services in a large-scale enterprise, detect anomalies and performance issues using Verizon's proprietary ETMS alert handling system
- Takes ownership of customer issues and drives them to completion ensuring high levels of customer satisfaction
- Perform end-to-end trouble isolation and repair on physical and logical layer services using the Enterprise remote BER test tool for the customers and devise action plans on more complex issues, as well as oversee the execution of these plans
- Utilize network performance monitoring tools like CA Health and NetOps to identify and analyze impairments that may affect services sold
- Monitor and maintain the company's network elements (Routers, Switches, Transmission, switching facilities) using Nagios and SolarWinds Monitoring System
- Responsible for effective isolation, troubleshooting and restoration of customer PSTN, DSL Lines, International Private Lease Circuits, Domestic Lease Lines by analyzing the diagram, doing loop testing using tools like JDSU BER tester, coordinating with carriers, and conducting of inhouse fault clearing (i.e
- Rewire of cable, reseat and replacement of modems, IDF patching)
- (Telecommunications)
Education
Bachelor of Science - BSECE
Bulacan State University
Mandaluyong City, Metro Manila, Philippines 04.2001 -
Skills
Cloud Solutions with Azure
Certification
Cisco Certified Network Professional (CCNP)
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Senior/Network Engineer
NCS PTE Ltd
10.2023 - 11.2024
Network Operations/Project Engineer
TCS and KMC Solutions
10.2020 - 09.2023
Senior/Network Engineer
NCS PTE Ltd and NEC Asia Pacific
12.2016 - 04.2019
Network Engineer/II
RESSP and Weserv
08.2013 - 06.2015
Network Operations Engineer
Verizon Business and Eastern Communications
06.2007 - 08.2013
Bachelor of Science - BSECE
Bulacan State University
04.2001 -
Cisco Certified Network Professional (CCNP)
Cisco Certified Network Associate (CCNA), Active
Accredited Configuration Engineer (ACE) Exam - Palo Alto Networks, Active
ITIL Version 3 Foundation Examination (ITILv3), Active
Azure-104 (Azure Administrator), Exam is Scheduled
Check Point Certified Security Administrator (CCSA) R80, Expired
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