Omar Petit — Lead security engineer, finding weak points before attackers do

Lead security engineer, finding weak points before attackers do · Lisbon, Portugal

Nine years across application security, cloud hardening and incident response. I run penetration tests, build detection and teach developers to ship safer code.

The best way to reach me is email.

Work01

  1. 2022 — now

    Corvalis Bank — Lead Security Engineer

    Lisbon

    Built the in-house penetration testing programme and a detection pipeline for cloud workloads.

    • Mean time to detect down from 3 days to 4 hours.
  2. 2019 — 2022

    Northgate Security — Penetration Tester

    Led web, API and cloud assessments for fintech and health clients, from scoping to retest.

  3. 2017 — 2019

    Telvia — SOC Analyst

    Triage, investigation and playbooks for a 24/7 security operations centre.

Selected work02

cloudlint

A scanner that flags risky IAM policies in pull requests, before they reach production.

Go, AWS

Logging that catches attackers

Conference talk on useful detections for small teams.

Skills03

Offensive
Web and API penetration testingCloud configuration reviewThreat modelling
Defensive
Detection engineeringSIEM tuningIncident response
Governance
ISO 27001 readinessSecure development lifecycle

Education04

  1. 2015 — 2017

    Atlantico Institute of Technology — MSc, Information Security

Also05

Certifications
GIAC Certified Incident Handler (GCIH) GIAC, 2024Certified Information Systems Security Professional (CISSP) ISC2, 2021Offensive Security Certified Professional OffSec
Languages
English fluentPortuguese native