Olivier Cervello

Pentester | Security Engineer

Salary / Daily rate

Saint-Étienne, France

Freelance

Can come onsite

Skills

TerraformPythonDockerKubernetesHTMLTypescriptFlaskPostgreSQLSQLiteRedisGitJenkinsRESTful APIsGrafanaSplunkVueCSSDjangoMongoDBGoogle Cloud PlatformMySQLRabbitMQGoogle BigQueryBurp SuiteConsulting ITLinuxGitHubPrometheusAnsibleAWSElasticsearch

Languages

EnglishFrenchGermanSpanish

About me

Intro

Web developer, DevOps and Security specialist. Former Google Strategic Cloud Engineer now running FreeLabz, performing security audits and developing specialized cyber-security tools. Offering professional vulnerability assessments and ethical hacking services with expertise in web application security and infrastructure protection to keep your digital assets secure. Top 1% of Python engineers on GItHub: https://algora.io/og/user/ocervell

Links

Work experience

Founder and Security Engineer

FreeLabz

Jan 2023 - Present

3 years 10 months

Saint-Étienne, France

I manage FreeLabz, write cyber-security tools and perform security audits and penetration tests for a living.

Pentester

Self-employedFreelance

May 2022 - Jan 2023

9 months

Saint-Étienne, France

Skills: Penetration Testing · Web Application Security · Vulnerability Assessment · Ethical Hacking

Google

Jan 2018 - May 2022

4 years 5 months

Paris Area, France

Strategic Cloud Engineer

Jan 2019 - May 2022

3 years 5 months

Paris Area, France

- Consulting on SRE, DevOps, Infrastructure - Terraform automation on Google Cloud Platform - Open-source development: - slo-generator (https://github.com/google/slo-generator) - terraform-google-slo (https://github.com/GoogleCloudPlatform/terraform-google-slo)

Strategic Cloud Engineer

Jan 2018 - Mar 2019

1 year 3 months

Greater Chicago Area

- Consulting on SRE, DevOps, Infrastructure - Terraform automation on Google Cloud Platform - Open-source development: - slo-generator (https://github.com/google/slo-generator) - terraform-google-slo (https://github.com/GoogleCloudPlatform/terraform-google-slo)

DevOps Engineer

CCC Information Services

Oct 2015 - Jan 2018

2 years 4 months

Région de Chicago, États-Unis

=> Main tasks <= - Migrate company datacenter to AWS (CloudRunner project) - Automation with Chef: authoring Ruby recipes and cookbooks - Shell scripting for automation - Python scripting for automation - Deploy and run applications on AWS - Weblogic deployments automation and troubleshooting - Monitoring solution - Server administration console (Web interface) - Systems architecture, engineering and supoort - Built DEV, INT and QA, CT and PROD environments for 30+ weblogic domains - Taught Python classes internally (classes of 15 to 20 people) => Other tasks <= - Hudson administration and CI Jobs configuration - IPA (Redhat Free-IPA) administration - Data analysis with Gephi and Python - Python software prototyping => Meta <= - Scrum and Agile methodologies - Foster new architectures / code design / open-source softwares - Relational skills and collaborative work with 5 different teams (Application team, Interface team, ITOps team, System Engineering team)

Master Thesis Student

Illinois Institute of Technology

Jan 2015 - Oct 2015

10 months

Région de Chicago, États-Unis

Thesis title: Linux Implementation of a Sleep-scheduling Algorithm at MAC-level for Smartphones. Description: Conducted a Master Thesis Project at Illinois Institute of Technology, which focuses on energy-efficiency on Smartphones. Ph. D students and master's thesis student are part of FunLab, and have developped a sleep-scheduling algorithm on the MAC-layer level, that allows a minimal consumption of power during continuous traffic (like VoIP calls). My goal is to implement it in the Linux Kernel, and develop an interface to it on a network driver (ath9k).

FPGA / uP engineer (Internship)

Lheritier-ALCEN

Jun 2014 - Aug 2014

3 months

Région de Paris , France

Development of an embedded cryptographic protection system in a high-performance military-grade camera. - Algorithm design dedicated to secure communication between a PIC and an FPGA Board. - Implementation of the algorithm in an FPGA Board Cyclone IV (VHDL) and a PIC microprocessor (C). - Implementating a new VHDL module dedicated to security and integrating it in the existing design. - Come up with solutions to program a PIC without removing it from the FPGA board. - Communication (SPI) establishment between the FPGA board and the PIC, oscilloscope probing and terminal emulating. - Choice and implementation (C and VHDL) of a secure hash function.

Private Tutor (Mathematics / Physics)

Acadomia

Dec 2013 - Aug 2014

9 months

Cergy, France

- Following students with different level of study (principaly High School students) - Help students to achieve better scores with comprehensive learning methods and handpicked exercices. - Communicating with parents on students progress and discussing better strategies to improve learning efficiency of their children.

System and Network Administrator (Internship)

A.G.I

Jun 2012 - Aug 2012

3 months

Région de Lyon , France

- Setting up of a private network with all basic services. - Connecting all equipment to the private network. - Maintaining the network, adding new functionalities, adding security (firewals, email filters, cryptography).


Education

Illinois Institute of Technology

Master of Science (MS)

2014 - 2015

1 year 1 month

Ecole nationale supérieure de l'Electronique et de ses Applications

Master of Science (M.Sc.)

2012 - 2015

3 years 1 month

Lycée Fauriel

CPGE - Classe Préparatoire aux Grandes Ecoles

2010 - 2012

2 years 1 month

The best place to find your next move

© 2026. All Rights Reserved.