
Matheus Aguiar
Verified Expert in Engineering
Security Engineer and Developer
Porto, Portugal
Toptal member since September 13, 2022
Matheus is a cybersecurity specialist experienced in implementing SIEM solutions and security orchestration, automation, and response. He holds a bachelor's degree in computer software engineering, an AWS security certification, and a Google Cloud professional security engineer certification. Being proactive, goal-oriented, and a strong team player, Matheus has guided newcomers and trainees, delivering his knowledge and leading to the growth of the team and the company.
Portfolio
Experience
- SIEM - 3 years
- Network Security - 3 years
- Incident Response - 3 years
- AWS Lambda - 2 years
- Cloud Security - 2 years
- Terraform - 2 years
- Wazuh - 1 year
Availability
Preferred Environment
Amazon Web Services (AWS), SIEM, Incident Response, Cloud Security, Automation, Python, AWS Lambda, Kubernetes, Terraform, ELK (Elastic Stack)
The most amazing...
...project I've completed is a centralized logging system using primarily Wazuh and Kubernetes for high availability.
Work Experience
Cyber Defense Specialist
Jumia
- Activated and managed AWS Security controls using Terraform.
- Created and implemented solutions that redirect, store, and aggregate alerts and logs to be correlated and analyzed by the security operations center team.
- Automated the solutions using Amazon EventBridge and AWS Lambda functions.
- Designed and executed highly demanding, highly available (HA) OpenSearch solutions, taking care of cyber security projects and ensuring they meet objectives.
- Proposed and evaluated security strategies and defenses.
- Developed and enforced SIEM and SOAR solutions in the cloud environment with a HA Kubernetes cluster using Node.js taint and worker groups, autoscaling groups, load balancers, and VPC peering.
- Devised and implemented log source integrations via API gateways, Lambda functions, CloudWatch log groups, and S3 buckets, creating and handling use cases with the MaGMa Use Case Framework.
- Managed critical incident response using the NIST Framework, tracking vulnerabilities and collaborating with internal network teams to ensure closure and remediation of vulnerabilities.
Cyber Security Analyst
Euronext
- Performed SIEM engineering tasks and implemented cloud SIEM on Azure Sentinel.
- Managed the ArcSight platform and implemented several log source integrations.
- Handled use case creation, documentation, and knowledge transfer.
Support Engineer
Securnet
- Implemented several automation processes working as a system administrator.
- Managed, monitored, and maintained the network and servers.
- Designed and implemented Check Point firewalls on the client's infrastructures.
Experience
Wazuh EKS Infrastructure Deployment
https://github.com/mvask/Wazuh-EKS-infra-deploymentEducation
Bachelor's Degree in Computer Software Engineering
Polytechnic of Porto - School of Engineering (ISEP) - Porto, Portugal
Certifications
Professional Cloud Security Engineer
Google Cloud
AWS Certified Security — Specialty Certification
Amazon Web Services
AWS Certified Cloud Practitioner
Amazon Web Services
Skills
Tools
Terraform, ELK (Elastic Stack), Sentinel, ArcSight, Darktrace, Git, Packer, Amazon EKS, Syslog
Platforms
Wazuh, Amazon Web Services (AWS), AWS Lambda, Kubernetes, Linux, Google Cloud Platform (GCP)
Storage
Amazon S3 (AWS S3), Google Cloud
Industry Expertise
Network Security
Languages
Python
Paradigms
Automation
Other
Incident Response, Vulnerability Management, IT Security, Security, Identity & Access Management (IAM), PCI Compliance, PCI DSS, Security Architecture, NIST, SIEM, Cloud Security, Software Development, Networks, Checkpoints, Single Sign-on (SSO), Cloud, Amazon API Gateway, Okta, Cyber Defense
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