Secure cloud architecture
AWS architecture, security for GCP migrations, KMS encryption, private connectivity, multi-account governance and organization-wide controls.
Cybersecurity architecture
ThiagoSilva.
Cyber Architect · Security Lead
Security from the first design decision. Bringing cloud, engineering and business together to build more secure systems.
Connect on LinkedIn25+ yearsof experience in technology
AWS · GCP · Azuresecurity, governance and cloud
Brazil & LATAMexperience with global teams
01 / ABOUT
Technology with a business perspective.
My career brings together infrastructure, leadership and cybersecurity. As a Cybersecurity Architect at LTIMindtree on the Equifax project, I support the migration of on-premises environments to GCP and application modernization.
I combine technical experience in cloud, identity and secure development with service management, innovation and customer relationships. At Globant and Unisys, my work covered security architecture, testing leadership, mentoring and helping international teams adopt Secure SDLC practices.
02 / EXPERTISE
Security at every layer.
From architecture to operations: technical controls, processes and collaboration to protect applications, identities and data.
Security in software delivery
CI/CD security gates, SAST, DAST, SCA, secret detection and manual security code reviews for sensitive components.
Access, risk and compliance
Least privilege, MFA, Zero Trust, control assessments and alignment with PCI DSS, LGPD and security best practices.
Visibility and investigation
Security findings and telemetry integration, vulnerability management and support for incident analysis using AWS services and SIEM platforms.
Automation for security
Vulnerability lifecycle automation with Power Automate, generative AI initiatives and security controls for RAG solutions.
Strategy, people and services
Mentoring, global training, service management and customer relationships, focused on cloud adoption, costs and continuous improvement.
03 / EXPERIENCE
Experience across disciplines.
LTIMindtree2026 — present
Cybersecurity Architect
- Equifax project: supporting architecture, implementation and operations for an on-premises-to-GCP migration involving Brazilian financial scoring data and application modernization.
Globant2024 — 2026
Cybersecurity Architect & Security Testing Lead
- Led the implementation of AWS security architecture for the Red Sea project, covering workload protection, identity, encryption and private connectivity.
- Implemented Secure SDLC controls in pipelines, security testing and code reviews, aligned with PCI DSS and privacy requirements.
- Integrated services including WAF, GuardDuty, Config, CloudTrail, Security Hub, Inspector and Security Lake; also served as a cybersecurity career mentor.
Unisys2022 — 2024
Cybersecurity Architect & Security Testing Lead
- Delivered global training and secure development content to strengthen security culture and team maturity.
- Reviewed Zero Trust across eight layers, automated vulnerability management with Power Automate and Tenable data, and used Wiz for security assessments.
- Contributed to OWASP-based minimum security requirements, threat intelligence, MITRE ATT&CK, cyber risk quantification and innovation initiatives.
SoftwareOne2020 — 2022
Service Success Manager — LATAM
- Managed customer cloud journeys across Azure, AWS and Google Cloud, including business reviews, onboarding, SLA monitoring and sales support.
- Worked with FinOps and PyraCloud, created a FinOps Foundation community for LATAM and used Power BI for performance reporting.
- Conducted cloud security research and vulnerability assessments, and established a Blue Team to support remediation and DevSecOps improvements.
Cleartech2019 — 2020
IT / Business Consultant
- Managed requirements and solution development for indices used by Anatel, alongside automation and digital transformation initiatives.
- Participated in the LGPD committee, implemented AWS WAF and IAM, conducted security testing and centralized logs and alerts with Splunk.
- Administered AWS environments and assessed digital experience, performance and capacity.
MiX Telematics2018 — 2019
Service Manager IoT — LATAM
- Established service governance, ITIL processes and a lifecycle management approach for telemetry and IoT solutions.
- Developed the partner network, security policies and oversight of web and embedded software releases.
Claro Brasil2015 — 2018
Mobility / Security / Innovation Consultant
- Worked in América Móvil Group’s MDM tower, which the résumé reports reached more than 4,000 customers or 70,000 devices in its first year.
- Deployed and supported mobility solutions, integrated SIEM, NAC and ISE, managed vendors and developed executive performance indicators.
- Served on Embratel’s innovation committee, contributing to IoT, automation, chatbots, information security and new products.
VITAIT Technology Services2011 — 2015
Operations Consultant & Co-founder
- Managed national and international teams, Service Desk, a 24×7 NOC, infrastructure and cloud solutions.
- Implemented ITIL processes, BIA-based business continuity, security policies, a service catalog and executive reporting.
- Planned IT budgets, managed vendors and strategic projects, and supported team development.
04 / EDUCATION & QUALIFICATIONS
Learning throughout a career.
Education
- MBA in Business ManagementIBTA · 2011
- Postgraduate qualification in Technology ManagementIBTA · 2011
- Extension courses in Project Management and IT ManagementFundação Getulio Vargas · 2010
- Bachelor’s degree in Information SystemsUniversidade Anhembi Morumbi · 2008
- Database Development programUniversidade Anhembi Morumbi · 2006
- Technical qualification in Data ProcessingColégio Técnico Módulo · 2000
Selected certifications and qualifications
- CloudAWS Certified Cloud Practitioner · Azure Fundamentals · Microsoft 365 Fundamentals · Azure Security and Compliance
- Security and privacyFortinet NSE 1 · OneTrust · Qualys · Tenable · LGPD Foundations · Centrify IAM
- Management and qualityITIL Foundations 2, 3 and 4 · COBIT · ISO 20k · ISO 27k · CTFL · IREB
- Infrastructure and mobilityVMware VCP · Citrix CCA · Cisco Jasper · MobileIron · Check Point CCSBMSE
Selected certifications and qualifications listed in the April 2026 résumé; issue dates and current validity were not specified.
Languages
English · AdvancedSpanish · Basic
Publication
Nove passos para construir um Data Warehouse
Authored book listed in the résumé, published in Portuguese.
View publication on Amazon ↗PROFESSIONAL CONTACT