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Caio Lima

@caiolima2

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Windows Security Analyst at SEK who implemented CIS Controls v8 hardening across 100+ environments.

Brazil

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What I'm looking for

Senior remote role in cybersecurity or Windows/Microsoft infrastructure security: hardening (CIS Controls), vulnerability management, Active Directory/Entra ID, incident response and security compliance. Open to full-time or contractor engagements with international teams, working in English or Spanish.

At SEK – Security Knowledge Ecosystem, I implemented Windows system hardening based on CIS Controls v8 across 100+ environments. This work contributed to security compliance above 90% across clients.

I conducted risk assessments, managed vulnerability scanning and remediation prioritization, and carried out incident response activities. I also performed network mapping and topology analysis to identify security gaps.

Before SEK, I developed an internal asset control system at CONCENTRIX and supported IT operations at LOUIS VUITTON and ORANGE BUSINESS SERVICES. I hold a bachelor’s degree in Systems Analysis and Development and certifications in Fortinet cybersecurity fundamentals and Qualys.

Experience

Work history, roles, and key accomplishments

Windows Security Analyst (Bilingual)

SEK – Security Knowledge Ecosystem

Oct 2022 - Mar 2026 (3 years 5 months)

Conducted risk assessments and implemented hardening and vulnerability remediation strategies across multiple Windows environments. Led security projects and compliance initiatives, achieving over 90% compliance across clients.

CIS Controls V8 Vulnerability Management Incident Response Risk Assessment System Hardening Windows Server Active Directory Group Policy Detection and Response (VMDR) Platforms Qualys Network Mapping Technical Leadership Stakeholder Management

Senior IT Specialist

Concentrix

Sep 2021 - Jun 2022 (9 months)

Managed IT teams and projects improving operational efficiency and service delivery. Provided advanced technical support, asset management, and automated processes.

IT Management Project Management Technical Support Asset Management Process Automation Reporting

IT Analyst

Louis Vuitton

Feb 2018 - Sep 2021 (3 years 7 months)

Provided IT support across South America operations and supported store openings including POS infrastructure, contracts, and budget control.

IT Support POS Infrastructure Budget control Vendor Management Project Coordination

Special Operations Analyst

Orange Business Services

Feb 2013 - Feb 2017 (4 years)

Coordinated national and international field support operations, managed hardware logistics and remote support, and produced performance reports and operational analysis.

Field Support Hardware Logistics Remote Support performance reporting Operational Analysis