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Alexandre D. Junqueira

Póvoa de Lanhoso, Braga, Portugal

Alexandre D. Junqueira

Also known as Alexandre Docek

Specialist in infrastructure, cybersecurity and observability, with more than 20 years designing, running and protecting critical environments across cloud, on-premise and hybrid.

Portrait of Alexandre D. Junqueira

About

I have spent the last two decades between the data centre and the boardroom: solving critical incidents, leading teams and helping companies and public bodies make sound technology decisions.

I built my career in Rio de Janeiro, in IT and project management: ITIL implementation, network operations centres (NOC), data centre and cloud migrations, mission-critical virtualisation and writing technical specifications for large public tenders.

Today I live in Póvoa de Lanhoso, Portugal, where I founded NewWall, focused on observability and information security powered by artificial intelligence. I also continue as a senior consultant on IT and security projects in Brazil.

Expertise

An end-to-end view: from technical architecture to service management and investment decisions.

Infrastructure and cloud

Data centre, virtualisation and public and hybrid cloud, with automation and infrastructure as code.

  • VMware
  • Hyper-V
  • Nutanix
  • AWS
  • Azure
  • Oracle Cloud
  • Aruba
  • Terraform
  • Ansible
  • Kubernetes

Cybersecurity

Security architecture, next-generation firewalls, Zero Trust and data protection.

  • Check Point
  • Fortinet
  • F5
  • Illumio
  • Trellix
  • Zero Trust
  • SASE
  • ISO 27001
  • GDPR and LGPD

Observability and SRE

Proactive monitoring, application observability and site reliability engineering.

  • Zabbix
  • Grafana
  • Prometheus
  • Dynatrace
  • AppDynamics
  • SRE

AI for operations

Artificial intelligence to detect anomalies, correlate events and speed up incident resolution.

  • Anomaly detection
  • Event correlation
  • Automation

IT management and continuity

Leading multidisciplinary teams, service governance and business continuity.

  • ITIL
  • SLA and KPI
  • BCM
  • DRP
  • RTO and RPO

Public sector and tenders

Writing technical specifications and terms of reference, and technical evaluation of bids.

  • Terms of reference
  • Framework agreements
  • Bid evaluation

Experience

More than two decades leading infrastructure and security teams and projects.

  1. Present

    Founder

    NewWall, Póvoa de Lanhoso, Portugal

    Observability, monitoring and information security company powered by artificial intelligence, for small and mid-sized businesses.

  2. 2023to present

    Senior consultant

    Multiplus TI, Rio de Janeiro, Brazil

    IT and information security consulting on projects that align technology with business goals, with a focus on compliance and data protection.

  3. 2023to present

    Associate

    TI4U Tecnologia da Informação, Rio de Janeiro, Brazil

  4. 2018to 2023

    IT and Project Manager

    Extreme Digital Solutions (EDS), Rio de Janeiro, Brazil

    • Managed the technical support teams and implemented ITIL across the service lifecycle.
    • Proactive monitoring with Zabbix and Grafana, integrated with GLPI and OTRS.
    • Prepared framework agreements and tenders: hyperconvergence and VDI, the new Rio de Janeiro State Government data centre, the INFOVIA data network and private cloud.
    • Technical advisory to client vice-presidents and technical directors on new acquisitions and projects.
  5. 2013to 2018

    IT and Project Manager

    MarkWay, Rio de Janeiro, Brazil

    • Implemented a remote NOC, with proactive monitoring, fewer incidents and higher availability.
    • Cloud and hybrid migrations, plus storage and data centre moves.
    • Mission-critical projects with Oracle Engineered Systems (SuperCluster, Exalogic, Exadata) and RHV, VMware, Hyper-V and Oracle VM virtualisation.
    • Technical pre-sales and procurement, with significant cost reductions.
  6. 2010to 2013

    IT Manager

    Straick Informática (SKTI), Rio de Janeiro, Brazil

    • Deployment and migration of Microsoft platforms: Active Directory, Exchange, System Center and SharePoint.
    • Complex networks, firewalls and VoIP, sharply reducing costs for the company and its clients.
    • IP video surveillance for the Municipality of Rio das Ostras and management of public contracts.
  7. 2007to 2010

    IT Manager

    todo!, Rio de Janeiro, Brazil

    • Technical management of a third-level support team of around 60 specialists in Microsoft, Cisco, Linux, Oracle, SQL and Avaya.
    • Capacity and improvement project for Contax data centres.
    • Migrations from Exchange 2007 to 2010 and from Active Directory 2003 to 2008.
    • Crisis management during high-impact incidents, avoiding contractual costs and penalties.

Certifications

Active certifications, publicly verifiable on Credly. Verify on Credly

  • Certified in Cybersecurity (CC)ISC2 · 2023
  • Enterprise Technical SpecialistCheck Point · 2025
  • Cloud Network Security Technical SpecialistCheck Point · 2025
  • Cloud WAF Technical SpecialistCheck Point · 2025
  • NSE 2 Certified in CybersecurityFortinet · 2026
  • NSE 1 Certified in CybersecurityFortinet · 2026
  • Technical Specialist: Distributed Cloud AppSecF5 · 2026
  • Technical Specialist: Distributed Cloud Secure MCNF5 · 2026
  • Accredited Admin: Distributed CloudF5 · 2026
  • Network Security Technical SpecialistTrellix · 2026
  • Partner Pre-Sales Technical ProfessionalIllumio · 2025
  • AWS Certified Cloud PractitionerAWS · 2023
  • Nutanix Certified Associate 6Nutanix · 2024
  • HPE Sales Certified: Aruba NetworkingHPE · 2026
  • Partner Sales ProfessionalIllumio · 2025
  • Introduction to Cisco Sales (700-150)Cisco · 2023
  • Accredited Sales Rep ISplunk · 2024
  • Accredited Technical Selling FoundationsSplunk · 2023

Also: Check Point Sales Specialist (Enterprise, Cloud Network Security and Cloud WAF); Fortinet Getting Started in Cybersecurity 3.0 and Introduction to the Threat Landscape 3.0.

Earlier credentials

Microsoft MCSA Windows Server 2003, MCTS Exchange Server 2007 and MCP (2006 to 2009); Fortinet Certified Fundamentals in Cybersecurity, Forescout Accredited Engineer and F5 Partner Accreditation: Sales Foundations (2024); Check Point Email, CloudGuard Pre-Sales, Jump Start SMB and MSSP (2023 and 2024).

Education

  • 2012 to 2014

    Systems Analysis and Information Management

    Higher Technology Degree, Universidade Estácio

  • 2026

    Cybersecurity: certified modular training

    CINEL, Lisbon. Security policies, cybersecurity law, networking and threat protection (100 hours)

  • 2023 to 2024

    CyberOps Associate, CCNA Introduction to Networks and Cybersecurity Essentials

    Cisco Networking Academy

  • 2023 to 2026

    Azure, Azure migration, Microsoft 365 and Copilot

    Microsoft Learn

NewWall

Observability, monitoring and information security with AI for small and mid-sized businesses. Vendor-independent and built on open-source tools.

Let’s talk.

For projects, consulting or a conversation about infrastructure, security and observability.