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Serie Ricar

@seriericar

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DevSecOps and security engineer at Essalud Red Asistencial La Libertad, who developed secure FastAPI microservices.

Peru

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What I'm looking for

I’m seeking a fully remote opportunity in Brazil, where I can contribute to DevSecOps, application security, or infrastructure security work. I’m immediately eligible for residence and unrestricted work in Brazil under the Mercosur Residence Agreement.

At Essalud Red Asistencial La Libertad, I developed secure FastAPI microservices and Python routines with robust authentication, strict input validation, and detailed auditing of access to sensitive data.

I also administered data center infrastructure and virtualization with Proxmox VE and VMware ESXi, and configured secure VPN tunnels and perimeter rules. I led a Google Workspace migration with least-privilege governance, multifactor authentication, and developer permission reviews.

Earlier, at Andean Anthracite ACE S.A., I developed Python and Selenium automation that integrated the Google Gemini API and OCR for document classification and CAPTCHA resolution, achieving 95% semantic accuracy. My experience also includes AppSec, CI/CD security controls, cloud hardening, and security automation with Python and Bash.

Experience

Work history, roles, and key accomplishments

Analista Informático & Segurança de Infraestrutura

Essalud Red Asistencial La Libertad

Mar 2026 - Sep 2026 (6 months)

Arquiteto e desenvolveu microsserviços seguros em FastAPI e rotinas em Python, estabelecendo autenticação robusta, validação estrita de entradas e auditoria detalhada de acessos a dados sensíveis. Administrou infraestrutura de Data Center e virtualização com Proxmox VE e VMware ESXi em servidores Dell corporativos com arranjos RAID de alta resiliência.

fastAPI Python Proxmox VE VMware ESXi RAID VPN FortiClient Google Workspace RBAC MFA

Desenvolvedor de Automação Python & Scripting

Andean Anthracite ACE S.A.

Dec 2025 - Mar 2026 (3 months)

Desenvolveu scripts e robôs em Python e Selenium para automação de processos críticos, incorporando tratamento defensivo de falhas, retries exponenciais e controle de limites de taxa. Integrou modelos de IA (Google Gemini API) e OCR para classificação documental e resolução autônoma de CAPTCHAs, atingindo 95% de precisão semântica.

Python Selenium Google Gemini API OCR Logging Monitoramento

Desenvolvedor Full Stack & DevOps (Freelance)

Sistemas Web Corporativos

Aug 2025 - Nov 2025 (3 months)

Desenvolveu APIs RESTful escaláveis com NestJS e TypeScript, aplicando validação rigorosa de esquemas DTO, sanitização de inputs e mitigação de riscos OWASP. Configurou esteiras automatizadas de CI/CD no GitHub Actions com testes unitários, linting estático e empacotamento em contêineres Docker com imagens hardened.

NestJS TypeScript GitHub Actions Docker CI CD OWASP

Área de Sistemas & Segurança Perimetral

Clínica San Antonio / Novo Resonancia

Apr 2025 - Aug 2025 (4 months)

Implementou regras de firewall perimetral Fortinet e Windows Firewall, além de segmentação de redes hospitalares em switches corporativos Aruba com VLANs dedicadas. Administrou servidores PACS/RIS em Windows Server 2019, aplicando baselines de hardening, políticas de senhas e auditoria de logs para segurança de dados clínicos.

Fortinet Windows Firewall Aruba VLAN Windows Server 2019 Hardening Python

Suporte Informático, Redes & Desenvolvimento

ESSALUD

Aug 2023 - Dec 2023 (4 months)

Implementou servidor proxy Squid em Ubuntu Server, configurando políticas de filtragem web, controle de conexões e monitoramento de tráfego de rede. Estruturou ambiente de nuvem interna segura com Nextcloud, com criptografia e controle restrito de privilégios de acesso.

Squid Ubuntu Server NextCloud Python PyQt

Education

Degrees, certifications, and relevant coursework

Google

Google Introduction to Generative AI, Artificial Intelligence

2026 - 2026

Completed the Google Introduction to Generative AI course, focusing on applying LLM models in technical automation.

Google

Google Cybersecurity Professional Certificate, Cybersecurity

2025 - 2025

Completed the Google Cybersecurity Professional Certificate, covering SIEM triage, security log analysis, incident response, Python automation for security, and vulnerability mitigation.

Cisco

Cisco CyberOps Associate, Cybersecurity

2024 - 2024

Earned the Cisco CyberOps Associate certification, focusing on threat monitoring, Blue Team operations, data encryption, incident response, and classification under the MITRE ATT&CK framework.

Cisco

Cisco CCNA: Switching, Routing, and Wireless Essentials, Networking

2024 - 2024

Earned the Cisco CCNA: Switching, Routing, and Wireless Essentials certification, covering VLAN segmentation, ACLs, IP routing, VPN tunnels, and network infrastructure security.

Universidad Nacional de Trujillo

Bachelor's Degree, Computer Science

2019 - 2024

Grade: 15.16/20

Graduated in Computer Science with a focus on software security, computer networks, operating systems, software architecture, and software engineering. Achieved a weighted average of 15.16 out of 20.