s
srgioserra

Sergio Serra

@srgioserra

Cybersecurity and Secure Backend Engineer, MSc Cybersecurity

Portugal
Englisch, Portugiesisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
MSc in Cybersecurity, BSc in Computer Engineering, and Information Systems and Security Specialist for a Portuguese public administration. I help clients secure what they have and build what is missing: security reviews and hardening aligned with ISO 27001 and NIS2, IAM and SSO with Keycloak, OAuth 2.0 and SAML, and secure backends in Java, Spring Boot, Python and Laravel, containerized with Docker, with CI/CD and monitoring. 5 published papers on AI and cybersecurity, plus 2 years teaching software engineering. Message me before ordering and I will tell you honestly if I am a good fit.... Mehr lesen

Kompetenzen

s
srgioserra
Sergio Serra
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

E-Mail-Management
I will setup and configure a secure professional email server for your domain
Ab45 $ / ProjektWeitere Details
Fehlerbehebung
I will fix website errors, bugs, layout, responsive and wordpress issues
Ab20 $ / ProjektWeitere Details

Arbeitserfahrung

Barcelos

Information Systems and Security Specialist

Barcelos • Vollzeit

Jun 2025 - Present • 1 yr 3 mos

Deploy and operate AI-driven Network Detection and Response (NDR) and next-generation firewalls, and run the full incident response lifecycle from detection and triage to containment, eradication and post-incident analysis. Implement and manage Identity and Access Management (IAM) and Privileged Access Management (PAM) with OAuth 2.0, SAML and Single Sign-On, automate internal security workflows, and securely administer Linux and Windows environments. Contribute to NIS2 compliance initiatives and security governance.

Instituto_Politécnico de Viana do Castelo

Instituto Politécnico de Viana do Castelo

Vollzeit • 2 yrs 5 mos

Research and Development Engineer

Jul 2023 - Jul 2025 • 2 yrs

Led the research, design and delivery of a machine-learning platform for automated data-quality assessment for the EU Digital Product Passport in the textile and clothing industry. Evaluated supervised and unsupervised models (Random Forest, XGBoost, SVM, Isolation Forest, Local Outlier Factor), built a scalable microservices backend in Java and Spring Boot with a dedicated Python API for model serving, and designed the PostgreSQL data model. Containerized the stack with Docker and Docker Compose, automated CI/CD with GitHub Actions, added observability with Prometheus, Grafana and Loki, and integrated Keycloak for Identity and Access Management and API security.

Invited Assistant Professor

Jan 2025 - Jun 2025 • 5 mos

Taught Software Engineering to Computer Graphics and Multimedia Engineering students, covering development methodologies, requirements engineering, UML, BPMN, software architecture and CASE tools. Taught Web Programming in the Higher Technical Professional Course in Information Systems Technologies and Programming, covering HTML5, CSS3, JavaScript, PHP, MySQL, Node.js, Laravel, REST APIs, web security and scalable software architectures.