Mario de Jesús
Devsecops Engineer Technical Lead @Arkusnexus
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WORK HISTORY
Devsecops Engineer Technical Lead @Arkusnexus
Led comprehensive security transformation across 23 AWS services, improving compliance from 45% to 92%KEY ACHIEVEMENTS- Remediated critical vulnerabilities while maintaining 99.9% service uptime- Reduced AWS infrastructure costs by 46% through security-first architecture optimization - Prevented DDoS attacks in <2 hours using AI-powered threat detection and automated response- Led cross-functional team of 14 professionals (Dev, QA, DevOps) implementing security-first cultureTECHNICAL FOCUS- AWS Security Services: GuardDuty, Security Hub, IAM, KMS, WAF, CloudTrail- Automation: Python/Boto3 scripts for vulnerability remediation and compliance reporting- Incident Response: Real-time log analysis, threat mitigation, forensic investigation- AI/ML Integration: Elasticsearch analytics, Jupyter notebooks for data processing TECHNOLOGIES: AWS Security Architecture, Python automation, ModSecurity, Docker security, CI/CD security integration (Azure DevOps, GitHub Actions)
EDUCATION
Instituto Superior de Estudios Universitarios ISIMA
Bachelor of Computer Systems Engineering, Ingeniería en Sistemas Computacionales
SKILLS
ABOUT MARIO DE JESÚS
DevSecOps Engineer with 15+ years transforming security challenges into automated solutions. Recently led teams of 14 professionals to achieve 92% compliance (from 45%) while remediating critical vulnerabilities across 23 AWS services. PROVEN SECURITY WINS:• Prevented DDoS attacks in <2 hours through AI-powered threat detection• Reduced AWS costs by 46% while enhancing security posture• Maintained 99.9% uptime during complete security transformation• Implemented OWASP methodologies across legacy and cloud systems🤖 AI + SECURITY EXPERTISE:Throughout my career, I\'ve specialized in combining traditional security practices with modern AI automation:• Python/Boto3 for vulnerability remediation automation• Machine learning for threat pattern recognition• AWS architecture optimization with security-first design• Legacy system modernization (PHP/Laravel to secure cloud) TECHNICAL FOUNDATION:• Cloud: AWS (Security Hub, GuardDuty, IAM), Docker, microservices• Development: PHP (Laravel, CakePHP), JavaScript, React, Python• Security: OWASP, vulnerability assessment, incident response• Leadership: Distributed teams, mentoring, technical decision-making MONTREAL-BASED with open work permit - ready to contribute to Canada\'s thriving tech ecosystem.Currently seeking DevSecOps/Cloud Security roles in Montreal/Canada where proven experience meets cutting-edge automation. Open to immediate opportunities with established tech companies.
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