// IT Engineer · Network Security & Infrastructure

Antonio J. Perez

I keep firewalls, VPNs and cloud infrastructure secure and running, automate the repetitive work, and translate technical detail for the people who depend on it.

Rotterdam, Netherlands

Portrait of Antonio J. Perez
secure · stable · automated
years in IT engineering
3.5+
FortiGate firewalls maintained
6
AWS machines in operation
~150
set-top boxes served across Europe
2M+

About

IT Engineer with 3.5+ years of experience in network security, cloud infrastructure and IT service management. Skilled in Fortinet, AWS, security improvements and automation, with strong problem-solving and vendor management skills.

Core strengths

  • Fortinet
  • AWS
  • Network security
  • Automation
  • Vendor management

Experience

  1. IT Engineer / Analyst III – Information Technology

    Comcast / Metrological - Rotterdam, Netherlands

    to Present

    Keeping the network, cloud and business systems behind a European TV platform secure, available and automated.

    • Network Security & Firewall Deployment: Maintain and troubleshoot six FortiGate firewalls across multiple WANs and IPsec VPNs, configuring VLANs, firewall policies, CGNAT, SSO-enabled access and captive portals. Use FortiAnalyzer for troubleshooting. Led the end-to-end deployment of FortiGate 100F firewalls in high availability at the Poland office, including AWS connectivity.
    • Vulnerability Management: Support ongoing vulnerability remediation and security improvements across backend systems, using Qualys, CrowdStrike and Prisma for reporting and visibility.
    • Cloud & Automation: Maintain around 150 AWS machines supporting services delivered to over 2 million set-top boxes across Europe. Automate infrastructure tasks using Linux, Python and Fabric.
    • Identity & Integration: Configured Azure SSO for 10+ applications and developed API and Power Automate integrations to reduce manual work between internal systems.
    • Service Ownership & Continuity: Created the company's Business and Technical Continuity Plans and provide 24/7 operational support.
    • Vendor & Stakeholder Management: Act as a point of contact for 20+ applications and vendor agreements, coordinating suppliers and communicating technical matters to stakeholders.
    • FortiGate
    • FortiAnalyzer
    • AWS
    • Python
    • Azure SSO
    • Qualys
    • CrowdStrike
    • Prisma
  2. Technical Support

    Hello Auto - Martos, Spain

    to

    Tracked and solved technical issues for customers via tickets and phone.

    • Customer support
    • Ticketing
    • Troubleshooting

Technical skills

01

Network Security

  • FortiGate
  • FortiAnalyzer
  • IPsec VPNs
  • Firewall policies
  • VLANs
  • CGNAT
  • SSO
  • Captive portals

02

Security Tools

  • Qualys
  • CrowdStrike
  • Prisma
  • Vulnerability reporting
  • Remediation support

03

Cloud & Automation

  • AWS EC2
  • Load balancers
  • Linux
  • Python
  • Fabric
  • APIs
  • Terraform (basic)

04

Infrastructure

  • Docker
  • Hyper-V

05

Tools & Workflow

  • Jira
  • Ticketing
  • Issue tracking

Education & more

Higher Vocational Degree in Administration of Networked Computer Systems

IES Las Fuentezuelas (Jaén)

Graduated

  • CCNA Routing and Switching Essentials
  • VDI Implementation Project – best score
  • Networking
  • Systems administration
  • Virtualisation

Languages

  • SpanishNative speaker
  • EnglishFluent
  • DutchA2 certified, working towards B1

Volunteering

Webmaster

somosmartos.es · IES Fernando III (Martos)

Apr 2020 – Jun 2021

// 05 · contact

Let's talk networks, security and infrastructure.

References available on request.

© Antonio J. Perez