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Portfolio · 2026 / 2027

Clément MARRAST

Cybersecurity student · SOC / SIEM · network

2026 / 2027 apprenticeship · 2 weeks company, 1 week schoolScroll

About

I am entering the third year of a Bachelor’s in cybersecurity at Guardia Cybersecurity School, looking for a 2026-2027 apprenticeship with a rhythm of 2 weeks at a company and 1 week at school.
Three disciplines

Skills

A path centred on cybersecurity, kept sharp by daily practice in development and creative work.

01

Cybersecurity

Born from a passion for breaking into systems, I am now building a defensive, network and application-security profile: SOC / SIEM, hardening, log analysis and web security.

  1. Training

    CCNA

    Cisco Certified Network Associate certification scheduled for September 2026, covering network administration, routing and infrastructure security.

  2. Competition

    CTF GuardiaHack

    Over 48 hours, 42 teams of 5 players faced off in a hacking competition (CTF) hosted by my school. I put my skills to work in system penetration, hardware reverse engineering and OSINT. Through intense effort, my team and I finished in 6th place.

  3. Internship

    GitGuardian

    Security R&D internship: automatic detection of exposed secrets across more than 1,000 public Docker Hub images, with 137 secrets detected.

  4. School

    Guardia Cybersecurity School

    Bachelor in Cybersecurity, entering the third year in 2026-2027. Offensive and defensive techniques, networking, cryptography and forensics.

  5. Training

    CSNA

    Completed and validated training on StormShield firewalls and Internet protocols.

  6. Training

    CSNE

    Advanced Stormshield firewall training obtained after a top-8 finish in the Spring Brain contest.

  7. Training

    RootMe Pro

    84 challenges solved through regular practice: web, reverse engineering, forensics and SOC.

02

Developer

Programming languages are full of possibilities, which is why I build new solutions every day to bring my projects to life.

  1. Entrepreneurship

    Founded a company

    Founder of a sole proprietorship building secure websites: 6 sites for 4 clients, HTTPS/TLS hardening, security headers and backups.

  2. Internship

    GitGuardian

    Designed a Python detector targeting API keys, tokens and Git credentials in public Docker Hub image manifests.

  3. Training

    TUMO

    A digital creation school for ages 12 to 18, where I learned JavaScript programming, drawing animation, video game development, 3D modelling and music creation.

  4. Project

    ESIEE Paris

    Designed and built a Java video game project.

  5. Self-taught

    Scratch

    First steps into programming through the Scratch platform.

03

Creator

On the artistic side, I enjoy designing websites as well as producing videos, both for personal and professional projects.

  1. Self-taught

    Photography

    Managing the digital image of a photographer: editing interviews and Instagram content (stories, posts), as well as designing and building his website.

  2. Self-taught

    Music

    Born from a deep love of music, I started composing my own tracks on the computer, first on Logic Pro, then on FL Studio.

  3. Self-taught

    Olympic Broadcasting Services

    Fixed-term contract during the Paris 2024 Olympics: on-course sound capture for live worldwide golf broadcast.

  4. Self-taught

    Video editing

    Through the growth of my YouTube channel, I picked up video editing, first on WonderShare Filmora, then Premiere Pro, and now on DaVinci Resolve Studio.

  5. Self-taught

    YouTube

    Created my YouTube channel to share my passion for technology, video games and tech news.

Certifications

Four cards, four milestones

Networks, Stormshield firewalls and professional English: technical foundations either validated or planned.

  • CCNA certification card with cyan glow
    09/2026 · Scheduled

    CCNA

    Cisco Certified Network Associate

    Installation, operation and troubleshooting of networks for small and medium businesses.

  • CSNA certification card with magenta glow
    01/2026Passed

    CSNA

    Cybersecurity Network Associate

    StormShield firewalls and Internet protocols, training completed and validated.

  • CSNE certification card with magenta glow
    06/2026Passed

    CSNE

    Cybersecurity Network Expert

    Advanced Stormshield firewall training, obtained after a top-8 finish in the Spring Brain contest.

  • TOEIC certification card with golden glow
    05/2026895/990

    TOEIC

    Test of English for International Communication

    Professional English, essential in a sector that is open to the world.

    Test date
    04 May 2026
    Centre
    QUEST EDUCATION GROUP France, Metropolitan
    Valid until
    04 May 2028
    Listening
    480 / 495
    Reading
    415 / 495
    Total score
    895 / 990
Contact

Let’s talk apprenticeship.

A LinkedIn message or an email, and the conversation can begin.

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