WILLIAM NICOLAS

Red-team Operator | Pentester

Informations

Rennes, France
w.nicolas.ca@proton.me
mmigration status: PVT application (in processing) - possibility Visa Jeune-Pro
Availability: September 14, 2026

EXPÉRIENCE

09/2024 - 09/2026 | Apprentice - Cyber Defense Engineer, Red-Team Operator MinistÚre des Armées | Rennes, France

  • Development of a Windows agent (EvilSSP) for post-authentication credential collection.
  • Design and management of Red/Blue/Purple scenarios for SOC training; writing reports and playbooks.
  • Creation and automation of a purple-team platform: provisioning, Ansible playbooks, industrialization.

09/2023 - 09/2024 | Apprentice - Cyber Defense Engineer, White-Team MinistÚre des Armées | Rennes, France

  • Design and participation in cyber defense exercises in coordination with SOC and Red Team.
  • Virtualized infrastructure evolution and network and system probe integration.
  • Participation in SOC deployments and incident response operations.

07/2023 - 09/2023 | N2 Helpdesk Technician Experis | Cesson-Sévigné, France

  • L2 Support, Active Directory and Azure AD management and administration; tools: Citrix Director, Inwebo, SCCM.
  • Automation of recurring tasks and continuous improvement of support.

08/2021 - 07/2023 | Apprentice - N1/N2 Helpdesk Technician Experis | Cesson-Sévigné, France

  • Incident management, account administration and AD policy, technical escalation.

10/2019 - 01/2020 | Versatile team member McDonald’s | Bain-De-Bretagne, France - Team member in the kitchen.

  • Supervision of teams up to 4 people.

10/2018 - 07/2019 | logistics operator Stef | Bain-De-Bretagne, France

  • Management of parcels for supermarkets.

EDUCATION

Cyber Defense Engineer - In progress 08/2023 - 08/2026 | ESNA - École supĂ©rieure du numĂ©rique appliquĂ© | Bruz, France

  • Title : IngĂ©nieur en cyberdĂ©fense RNCP39126 (CNAM, recognized by CTI).

System, Network and Security Administrator 08/2023 - 08/2024 | ESNA - École supĂ©rieure du numĂ©rique appliquĂ© | Bruz, France

  • Title : System, Network and Security Administrator- RNCP39851 (Bac+3).

Superior systems and network technician 08/2021 - 07/2023 | ENI Ecole Informatique| Chartres-De-Bretagne, France

  • Title : Superior systems and network technician - RNCP37682 (Bac+2).

Professional baccalaureate in digital electronic systems 09/2015 - 07/2018 | Lycée professionnel Coëtlogon | Rennes, France

  • Title : Professional baccalaureate in digital electronic systems (Bac).

LANGUAGES

French : first language English : B2 level (Validate with LanguageSkill)

CERTIFICATES

Practical skills on PKI and Certification Authorities
06/2025 Badge CyberPKI

Certified Penetration Testing Specialist | CPTS
04/2025 Badge HackTheBox

Certified Red Team Professional | CRTP
04/2025 Badge AlteredSecurity

IT Essentials
06/2023 Badge Cisco

PROGRAMMING LANGUAGE

- Python - C++

SOFTWARE

NetExec, Rubeus, Sliver, CobaltStrike, BurpSuite, Metasploit, BloodHound, Certipy, MITRE ATT&CK Framework and other.

HARD SKILLS

Development of offensive tools - malware development Context: Development of several tools for SOC team training scenarios like my EvilSSP project (Windows agent for credential capture). Lien Github.

Operation & Post-operation & TTP emulation Context: Design of Red Team scenarios and emulation of opposing techniques for SOC/purple team exercises.

C2 & offensive frameworks Context: use of Sliver, Cobalt Strike and Metasploit.

Automation & orchestration Context: Development of an automated purple-team platform (Ludus, FastAPI, Ansible playbooks, provisioning and industrialization).

SOFT SKILLS

Analysis and critical thinking Justification: Design of attack scenarios, identification of missing detections and adjustment of playbooks.

Teamwork Justification: Coordination between SOC, Red Team and White Team for local and international exercises.

Project management & prioritization Justification: Conduct of automation projects and engineering brief with technical scope and deadlines.

Discretion & operational ethics Justification: Work in a Ministry of the Armed Forces: confidentiality requirements, security and compliance.