Mark Casera

Experience

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  Advanced Science and Technology Institute

  Jul 2015 - Jun 2018

  Science Research Specialist l

  # Provide technical assistance to PREGINET (Philippines’ research and education network) and PhOpenIX (a neutral internet exchange hosted by DOST-ASTI) stakeholders.# Monitor network uptime/downtime 24/7 via MRTG (Cacti and LibreNMS).# Perform software patching, configuration changes, and maintenance as needed.# Provide technical support on video conferencing and live streaming of agency sponsored/partnered events such as telemedicines, distance learning, space endeavors, etc.# Conduct site surveys and information gathering for pre-project implementation. Show less

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  Sophos

  Sept 2018 - Oct 2019

  Technical Support Engineer - Network Security Group

  # Provide technical support on configuration, administration and troubleshooting of various Sophos security devices including Sophos XG, Sophos UTM, Sophos Email and Web Appliance, and PureMessage.# Provide technical support on different deployment scenarios such as, but not limited to, Active Directory integration, SSL/IPSec VPN, Mail Servers (On-premise, Cloub-based, Hybrid), WAF, Wireless and Network Protection, etc.

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  Trustwave

  Nov 2019 - Jan 2022

  # Provide technical assistance and handle escalations of Fortinet cases via phone, remote sessions, and all other electronic means.# Spearhead, provide inputs and/or involvement on various internal projects on SOC operations, provisioning, client-specific requirements, etc.# Respond in timely manner, properly document and track actions in cases for effective internal communication and to customers. # Provide technical assistance on firewall configuration, policy adjustments, and network troubleshooting of FortiGate devices via phone, remote sessions, and all other electronic means.# Provide timely response within documented SLAs, proper ticket documentation, and following proper escalation procedures.# Provision, install, and provide post-deployment support on Fortinet firewalls to new and/or existing clients.

  • Security Engineer

    Feb 2021 - Jan 2022

  • Security Analyst

    Nov 2019 - Feb 2021
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  Yondu, Inc.

  Jan 2022 - Dec 2022

  Cyber Security Tech Lead

  # Conduct End User Training, Admin Training, and knowledge transfer to customers for every project completed.# Deploy cybersecurity projects such as but not limited to bundled cybersecurity projects like SDWAN + Cybersecurity.# Collaborate with PreSales and Solutions Architects during opportunity scoping for solution whiteboarding/planning workshop, and man-hour/day estimating.# Prepare Technical Implementation Plan (TIP), with low level design (LLD) document as part of project implementation sign off prerequisites.# Work closely with Project Manager, partners/vendors to ensure successful project implementation on time, on scope, and on budget. Show less

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  Globe Group

  Jan 2023 - now

  Cyber Security / Cloud Deployment Tech Lead

  # Conduct End User Training, Admin Training, and knowledge transfer to customers for every project completed.# Deploy cloud and cybersecurity projects such as but not limited to * AWS * Azure * Fortinet * Zscaler * M365# Collaborate with PreSales and Solutions Architects during opportunity scoping for solution whiteboarding/planning workshop, and man-hour/day estimating.# Prepare Technical Implementation Plan (TIP), with low level design (LLD) document as part of project implementation sign off prerequisites.# Work closely with Project Manager, partners/vendors to ensure successful project implementation on time, on scope, and on budget. Show less