Guilherme Teles Cloud Security, CISSP | Enterprise cloud security AWS, Azure,

Cloud Security Consultant

TALLER

Jan 2025 - Dec 2025 (1 year)

Led advanced threat modeling and security assessments across Azure, AWS, and GCP, leveraging cloud native capabilities such as IAM, workload identity, container security, logging, and posture management to mitigate cloud specific risks. Collaborated with CloudOps, DevOps, networking, and platform engineering teams to integrate security controls and compliance validations into CI CD pipelines, strengthening governance and resilience across multi cloud environments.

Machine Learning Consultant

CIDIC Consultoria em TI

Mar 2024 - Oct 2024 (8 months)

Designed and implemented end-to-end MLOps workflows on Azure, leveraging Azure Machine Learning, Azure Databricks, Azure Data Factory, and Unity Catalog to support scalable model development, training, deployment, and monitoring. Built CI/CD pipelines using Azure DevOps, Git, Python, and Docker to automate the ML lifecycle and enforce quality gates. Established standards, best practices, and governance processes for reproducibility, security, and operational excellence. Ensured data privacy, compliance, and Responsible AI principles throughout the solution.

Cloud Architect

Mazzatech

Jan 2024 - Feb 2025 (1 year 2 months)

• Designed and implemented AWS cloud environment for LGCNS project, focusing on Operational Resilience, FinOps, and Security. • Collaborated with team to optimize mobile applications and enhance end customer experience. • Achieved 99.99% uptime for the cloud environment, ensuring seamless operation for users.

Cloud Security Architect

Zazmic Inc

Jan 2023 - Dec 2023 (1 year)

Acting as a technical reference for cloud security projects, providing solution design on Cloud Environments. TripAdvisor Client.

Cloud Security Architect

TALLER

Jul 2022 - Dec 2022 (6 months)

Part of a SRE squad acting as technical reference for cloud security projects, providing solution design and review of security posture on Cloud Environments. PayPal Client.

Content Developer

Guilherme Teles Training

Dec 2021 - Current (4 years 8 months)

👨🏽‍💻 Cloud Security & AWS Trainer | AI & Risk Consultant 📊 Security, governance and business impact in cloud 👉 More Info: https://www.guilhermeteles.com.br

Cloud Security Architect

PicPay

Dec 2020 - Jul 2021 (8 months)

Technical reference for Cloud Security best practices. Technical support to SRE and AppSec teams in Cloud incident investigations.

Cloud Security Architect

Ubiminds

Jul 2020 - Jul 2022 (2 years 1 month)

Acted as a technical reference for cloud security projects, providing solution design on Cloud Environments. My main activities focused on cloud security best practices and technical support to SRE and AppSec teams in cloud incident investigation. Worked with multi-cloud environments, GCP, Azure and AWS, implementing, developing, and documenting security best practices among the company. Main Client: PowerSchool.

Cloud Security Architect

Vivo Telefônica Brasil

May 2020 - Sep 2020 (5 months)

Acting as a technical reference for Cloud Security projects. Main activities focused on Cloud security best practices according security frameworks such as NIST, CIS and CAS.

Cloud Security Architect

PagSeguro PagBank

Oct 2018 - Apr 2020 (1 year 7 months)

Acting as a technical reference for Cloud Security projects. Solution design on AWS and on-site. Main activities focused on Cloud security best practices. Technical support to SRE and AppSec teams in Cloud incident investigations.

Cyber Security Manager

KPMG

Jul 2018 - Nov 2018 (5 months)

Leader for Cloud Security projects and initiatives. Analysis with LGPD, GDPR, NIST, PCI and Cloud Security Architect approach

Senior Cloud Architect

Provider IT Business Solutions

Sep 2017 - Jul 2018 (11 months)

My current role as a Cloud Security and Information Security Solutions Architect. I get involved with customers from the design phase to implementation and delivery. Currently my primary activities involves: • End to End implementation and migration of resources to AWS • Suggesting the best architecture with security vision/advisor • Implementing management and monitoring of all Cloud AWS environment with ElasticSearch, Kibana, Zabbix, Grafana and CloudWatch • Exposure to various methodologies, industry best practices and technologies.

Senior Middleware Architect

Banco Cetelem BNP Paribas Personal Finance

Nov 2016 - Aug 2017 (10 months)

Acting as technical leadership in implementation, integration and migration projects for middleware platform. Main technologies: Jboss Fuse, Jboss EAP, JON - Jboss Operations Network, Liferay Portal, CA IAM in global renovation and refresh technology project. Review and implementation of monitoring and performance tools - APM Technologies. Also supporting continuous integration design based on the DevSecOps concept. Central interface between production, architecture and information security.

Senior Middleware Consultant

TIVIT

Jun 2016 - Sep 2016 (4 months)

Responsible for the design, implementation, integration, and product support for Oracle Middleware, such as Exalogic X5, OVM, OVCA/OPCA (Oracle Cloud) and all Fusion Middleware suite, Weblogic.

Integration Security Manager

Cipher

Oct 2014 - Jul 2015 (10 months)

Initially acting as technical profile leadership in IAM solutions (Rio2016 and Fleury) and BCP / DRP with Novell/NetIQ/Microfocus products. Responsible for a team of professionals allocated in more than 30 integration projects of security products from different technologies and manufacturers. Building security integration projects, contacts with internal and external team, suppliers (partnerships maintenance , training). Driving risk assessment, inform senior management on sales, synergy teams, results, suggesting changes, monitoring and implementation support. periodic review of the effectiveness of organizational security controls, construction to ensure that they remain effective during and after the changes in the organization or in

Senior Infrastructure Consultant

eWave do Brasil

Feb 2014 - Jul 2014 (6 months)

Responsible for application, security, infrastructure, and solution architecture IBM Middleware Websphere products focused on security and SOA architecture for internal and external integration. Technologies: IBM Integration Bus, Websphere MQ, MQ FTE, WebSphere Application Server, IHS, ITCAM, ODM, Business Monitor and Cognos. Infrastructure Architect responsible for internal projects as team leader, setting standards, frameworks, policies and security best practices. Using TOGAF as an architecture model. Responsible for the architectural design of IBM High Availability products. Emphasis on implementation of the expanded scope maintaining the same deadline in the announcement.

Systems Specialist Consultant

BRQ

Apr 2013 - Jan 2014 (10 months)

Architect responsible for many projects at BNDES and FAPES responsible for supporting IBM technologies like Websphere Message Broker, Websphere MQ, BPM, Application Server, Portal Server, and Cognos Connections. Infrastructure Architect responsible for internal projects as team leader, setting standards, frameworks, policies and security best practices.

Senior Systems Specialist

IBM

Jul 2012 - Apr 2013 (10 months)

Allocated in EBX Rio de Janeiro and responsible for the implementation, support, management, and maintenance of the IBM Maximo system in the group of companies: MPX, OSX, MMX, LLX. Design, support, cargo and alteration of data, personalization, Maximo 7.1, Websphere 6:07, IHS, JBoss, SQL Server 2008 R2. Integration with ERP Protheus, MS Project, Primavera, GED, SM2, Klassmatt, IBM Mobile. Supporting more than 500 users in total for Maximo EAM platform nationally distributed at remote sites.

Senior Systems Specialist

BRQ

May 2011 - Jun 2012 (1 year 2 months)

Allocated in EBX Rio de Janeiro and responsible for the implementation, support, management, and maintenance of the IBM Maximo system in the group of companies: MPX, OSX, MMX, LLX. Design, support, cargo and alteration of data, personalization, Maximo 7.1, Websphere 6:07, IHS, JBoss, SQL Server 2008 R2. Integration with ERP Protheus, MS Project, Primavera, GED, SM2, Klassmatt, IBM Mobile.

Senior IT Architect

Hypermarcas

Jul 2010 - Nov 2010 (5 months)

Focus on operating systems, and corporate email, EMC storage, and information security. In Deployment Project Business Continuity Plan (BCP or BCP) Hypermarcas, I worked on the design and architecture definition of solutions and Information, Deployment and Management of Security tools Safety tools that operate on DRP (Disaster Recovery Plan ) and aid in the logistics of testing and deployment.

Senior Network and Security Administrator

União Quimica

Sep 2009 - Jun 2010 (10 months)

Management and restructuring of the entire enterprise network. Environment of virtualized 100 servers using vmware esx and esxi. Focus on environmental security, response to incidents, documentation, and auditing. Expertise in management of information security incidents. Coordination of actions to be taken during incidents of information security. Focal point for items related to tools and deployment of security-related information (Console Antivirus, Monitoring etc) tools.

Senior Support Analyst

Politec

Jul 2009 - Aug 2009 (2 months)

Windows 2000 Migration Project (AD) and Exchange 2000 to Windows 2008 and Exchange 2007. Main emphasis given to migration design of Exchange Server 2000 platform for 2007. Support for over 2000 concurrent users on the client. Project developed on time and estimated costs.

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Senior Support Analyst

BSI do Brasil

Nov 2008 - May 2009 (7 months)

Responsible for all infrastructure and network support company. Specialties: Sharepoint, Windows Server 2003 / 2008, Exchange Server 2007. Also working with security management services and security policies. Held each survey and the restructuring of the support area, implementing service desk with tool opening called OTRS (open source), and review of security policies. Aker Firewall administration. Main emphasis given to the design of platform migration Exchange Server 2003 to 2007.

Senior IT Consultant

Politec

Feb 2008 - Nov 2008 (10 months)

Operating in BANCOOB (Cooperative Bank of Brazil) with Microsoft technologies. Managing Microsoft networks, Active Directory, DNS, Exchange Server 2003. Performing restructuring projects and migration services, and restructuring e-mail service (Exchange Server), as well as structuring corporate policy of using electronic mail. Support for 5000 users. Made all the documentation for the Microsoft environment and restructuring of services. Review and restructuring of Websphere MQ. Migration of MQ Series to Websphere MQ

IT Consultant

Cast

Jun 2007 - Feb 2008 (9 months)

Leader and restructuring projects in Federal Revenue of Brazil, acting as consultant and best practices of Cluster Virtualization. Products using VMware, Microsoft, Symantec, among others. Exchange of information with security personnel, infrastructure, storage and administration. Main emphasis given to design migration and consolidation of Windows 2000 to 2003 in single domain. Structured and documented POC Exchange Server 2003.

Senior Support Analyst

BBr

Jun 2006 - Jun 2007 (1 year 1 month)

Initially allocated in SEBRAE national team responsible for integrating the support of the member units, platforms and Exchange 2003 Active Directory environment. Directed completion of the migration to Exchange Server 2003. Responsible for implementing the structure of the Sebrae 2003 SMS (System Management Server) and MOM 2005. Complete administration of the SMS server, Reporting, Query, Software Distribution, Updates, Hot Fixes, among other activities reported.

Support Analyst

TELEDATA TECNOLOGIA EM CONECTIVIDADE

Dec 2005 - Jun 2006 (7 months)

Exchange Server 2003 analyst, backup monitoring, message queues, creating distribution lists, moving mailboxes, permissions, support 3. Level, network backup, local cluster. Management accounts and servers. Cluster Management and knowledge tools TSM backup, ARCserve, routines and procedures. Treatment of calls. Experience with VPN, and TCP / IP. Management antivirus corporate ePO.

Distribution Supervisor

DHL Supply Chain

Apr 2002 - May 2003 (1 year 2 months)

Team coordination, inventory control, writing and scheduling of delivery across the North of Brazil, storage of equipment identified in batches, Nokia Customer Information / TIM, return and exchange materials with the Matrix. Reporting and document preparation and logistics conference. Field experience, problem-solving. Throughout the period used is English for all types of tasks because all are involved in the process of foreign origin.

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Support Analyst

TransQuadros Armazéns Gerais e Logística LTDA

Jan 1999 - Jan 2002 (3 years 1 month)

Installation, system administration, hardware maintenance and training networks 2000/9X windows, help desk. Installation and configuration of computers and servers.

Guilherme Teles

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