Freelancer profile translated to English.
Back to original languageAbout Guillaume
Passionate about IT specialized in security, rigorous and versatile.
Graduated "Expert in Information Systems Engineering" in the IT security specialty from ESGI.
6 years of professional experience as an engineer on cryptography solutions (PKI, authentication, encryption, signing) + 2 years as an IT Security Officer apprentice.
I also have good skills in development (Python, Bash, Powershell, Javascript, Java) and in Linux systems, particularly Red Hat.
I am open to the market for a payroll or freelance position.
Do not hesitate to contact me by email () if you have any questions or proposals with a brief description of the mission (job description, place of activity and remuneration).
Looking forward to discussing!
------------
Keywords: cryptography, authentication, encryption, digital signature, PKI, Linux, Red Hat, Ansible, Bash, Python, IT security consultant, cybersecurity
French
Native or bilingual
English
Fluent
Spanish
Conversational
Can work on-site
Paris (up to 50km)
Experience
- Thiqa Security MakerPKI Software IntegratorNovember 2018 - November 2024 (6 years)Contractor at BNP Paribas+ Administration and support on PKI and CMS solutions (OpenTrust)+ Administration and support on the CLM solution (Evertrust Horizon)+ Migration project from OpenTrust PKI to Evertrust PKI+ Administration and support on several signing/encryption solutions+ Migration project from PGP Command Line tool to GnuPG tool+ Improvement of application operation and automation (Ansible)+ Improvement of application monitoring (Centreon, Dynatrace)+ L3 Support for certificate, smart card, and encryption issuesContractor at IDnomic (Atos)+ Preparation of training sessions with installation of environments (systems, software, HSM) and training materials+ Delivery of virtual machines to clients with pre-installation of Opentrust PKI+ Migration project with EDF for the replacement of their HSMs (nCipher) and application servers (PKI and CMS Opentrust)+ ESXi server and virtual machine administrationContractor at Banque de France+ Administration and support on electronic authentication and signature solutions (Idemia software) for BDF and ECB+ Administration and support of smart cards (SafeNet Authentication Client)Contractor at Crédit Agricole+ Administration and support on Internet payment authentication solutions (Idemia software)+ Improvement of application operation and monitoring via scripts
- Euro DisneyIntern "Architecture, Security"July 2016 - September 2016 (2 months)Disneyland, Castelbuono, PA, Italy+ Configuration of a CheckPoint firewall with SmartDashboard + Retrieval and correlation of firewall logs with IBM QRadar + Automation of reports via a shell script, the curl library, and the QRadar API
- ACTIA AutomotiveIT Security Officer ApprenticeOctober 2016 - August 2018 (1 year and 10 months)Toulouse, France+ Installation and operation of a SIEM (Splunk and Elasticsearch-Logstash Kibana) + Development of a tool for managing access rights to file servers (Powershell) + Performing penetration tests and vulnerability scans on company servers + Deployment of security tools for users (KeePass, TeamPass, VeraCrypt) + Monitoring and resolution of incidents, user awareness on IS security + Participation in the implementation of an ISMS + IT security technology watch
Recommendations
Be the first to recommend Guillaume
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master of Information and CybersecurityESGI2018Master sécurité informatique, Cybersécurité
- High Tech Engineering SchoolECE Paris2015Ecole d'ingénieur High tech