Alex Ionescu


DevSecOps engineer, with a security and computer architecture background.


Praetorian Security, Inc.

Austin, TX

Lead DevSecOps Engineer (Product Team)

Oct 2021 - Present

  • Automated provisioning of cloud infrastructure with Terraform.

Senior DevSecOps Engineer (Blue Team)

Mar 2020 - May 2021

  • Implemented a serverless SIEM using GCP Cloud Functions and BigQuery.
  • Deployed managed self service software center for end user workstations.
  • Supported end-user equipment while experiencing >100% growth throughout COVID-19.

Lead Security Engineer

Oct 2018 - Mar 2020

  • Developed new reporting methodology for the purple team service line.
  • Led multiple NIST assessments for large clients with multiple subsidiaries.

Senior Security Engineer

Jun 2017 - Oct 2018

  • Performed IoT security assessments against smart devices and medical devices.
  • Evaluated several clients through the NIST Cybersecurity Framework (CSF).
  • Maintains Praetorian's day to day IT infrastructure

Security Engineer Intern

May 2016 - Aug 2016

  • Performed red team penetration tests and vulnerability assessments for Fortune 1000 companies.
  • Executed social engineering phishing campaigns for user awareness training.
  • Collaborated with colleagues for development of a streamlined internal reporting system.

ARM Holdings

Austin, TX

Graduate Verification Enablement Engineer

Jan 2015 - Jul 2015

  • Wrote verification templates for compliance testing using a random architectural verification engine (RAVEN) for a variable vector length SIMD ISA.
  • Benchmarked templates against architectural coverage to verify correctness.
  • Developed directed tests which stressed the ISA using tables of "interesting" numbers.

National Instruments

Austin, TX

Software Engineering Intern

May 2014 - Jul 2014

  • Backported new features to a Windows kernel driver.
  • Implemented direct memory access functionality to improve performance.
  • Interacted with the hardware team to verify the correct timing of the driver.


Austin, TX

Software Development Intern

May 2013 - Aug 2013

  • Coded a web application in ASP.NET MVC3, and JavaScript to execute scripts on remote linux machines.
  • Developed an algorithm to filter invalid data for an application which reported the statistical probability that a driver would speed on a certain street.
  • Interfaced a Raspberry pi to stress test the tracking units.


MS Electrical and Computer Engineering

Purdue University

Aug 2015 - May 2017

BS Electrical and Computer Engineering

The University of Texas at Austin

Aug 2010 - Dec 2014

photo of me


    • Programming
    • Python
    • C
    • C#
    • Go
    • HCL
    • SQL
    • Bash
    • Latex
      Developer Tools
    • Git
    • Docker
    • Kubernetes
    • GitHub Actions
    • GCP, AWS, Azure


  • Romanian
  • English
  • Spanish


  • Certified Kubernetes Security Specialist (CKS) 2021
  • Certified Kubernetes Administrator (CKA) 2021
  • GIAC Systems and Network Auditor (GSNA) 2019


  • Flying
  • Skiing
  • Paddleboarding
  • Cooking
  • Travelling