IT & Security Engineer

Dioxycle

CDI Saint Ouen sur Seine, Paris, France, Saint Ouen sur Seine, , France Environnement / Développement durable
Publiée le
13/03/2026
Contrat
CDI · Inconnue
Localisation
Saint Ouen sur Seine, Paris, France, Saint Ouen sur Seine, , France
Taille équipe
Inconnue emp.
Rémunération
Inconnue
Télétravail non autorisé 3-5 ans exp. Francais Anglais

Avantages

Horaires de travail flexiblesTickets restaurantCongés payésMutuelle santéFormation en leadershipTeam building
Missions clés Maintenir et améliorer l'environnement IT de l'entreprise. · Déployer et maintenir une infrastructure de cybersécurité robuste. · Assurer la préparation à la sécurité pour les clients et partenaires. · Établir des pratiques de sécurité et IT à travers l'entreprise. · Automatiser les tâches IT quotidiennes.
Profil recherché 3-5 ans d'expérience · Communication · Positive attitude · Methodical & detail-oriented · Commitment to the mission
Outils & compétences Microsoft environment, Networking skills, Automation of processes

Le poste en détail

About Dioxycle

Dioxycle is pioneering breakthrough carbon utilization technologies that convert industrial emissions into sustainable chemicals with unprecedented energy and cost efficiency. By displacing fossil fuels for the production of key chemicals, Dioxycle has the potential to ultimately reduce over 800 million tons of CO2 per year, representing over 2% of the world's emissions. 

 

At the core of our process is a novel "carbon electrolyzer", a machine capable of using just electricity and water to convert carbon emissions back into valuable everyday essential chemicals. Our team is innovating across chemical, mechanical and system engineering to turn carbon transformation into an economically feasible, industrial reality through this completely novel technological approach. Having completed our medium-scale Proof-of-Concept electrolyzer, we are now working towards a first-of-its-kind large-scale industrial prototype and are assembling key partnerships for future commercial roll-out.


We are supported by world-class funders including Lowercarbon Capital, Breakthrough Energy Ventures and Gigascale Capital and have raised $37M to date. We operate from two centers in Paris and California (so whether you are passionate about outdoors or good food/art scenes, we have a location for you to join!)


Your Mission


Dioxycle is seeking a dedicated, hands-on and detail-oriented IT & Security Engineer who, in collaboration with our Systems team, will be in charge of the development of our IT, network and (cyber)security systems. Reporting to the Director of Engineering, you'll have the autonomy to build processes from the ground up and directly influence how we protect and scale our technology as we advance our mission.


Key Responsibilities:

- Maintain and continuously improve the company’s IT environment, including managing the fleet of laptops, servers, mobile devices, SaaS tools and user accounts, ensuring reliability and scalability as the company grows.

- Deploy and maintain a robust cybersecurity infrastructure to protect our network, on-premise and cloud infrastructure, including access management, monitoring, and incident response.

- Ensure security and IT readiness for customers, partners, and investors, including responding to security questionnaires, preparing audits or certifications (e.g., SOC 2 / ISO 27001), and documenting policies, procedures, and risk decisions.

- Establish and promote practical security and IT practices across the company, through clear policies, onboarding, training, and day-to-day guidance that balances security, usability, and engineering velocity.

- Automation of daily IT tasks, including onboarding and offboarding.


Location: Onsite in Saint Ouen sur Seine (Paris), France


We seek an IT & Security Engineer who is dedicated to advancing our mission and possesses the skills outlined below.\n


Abilities and expertise we are looking for

  • Experience in IT/Security/Systems/Network: 3+ years of relevant experience with demonstrated proficiency in Microsoft environment, networking skills and automation of processes
  • Communication: You are an excellent communicator (verbal and written)
  • Positive: You bring sunshine and good mood wherever you are and you tend to look on the bright side!
  • Methodical & detail-oriented: You are extremely detail-oriented/thorough and don't drop the ball
  • English is our daily work language. Speaking French is a plus for this role too, but it is not required.


    Mindset we are looking for

    • Commitment to the mission and ambition
    • Innovative spirit
    • Determination to deliver on the mission you own, whatever it takes
    • Irreproachable work ethic
    • Anticipation capabilities
    • Radical open-mindedness: no ego. Ideas first


      What we have to offer

      • Impact: We are building a product unique in the world with the potential to radically transform a century-old chemical process to slash emissions at the gigaton scale.
      • Unique journey: We are an early-stage company with a world-class team, offering second-to-none career growth opportunities.
      • People-first: We are no-ego doers focused on self-improving while helping each other grow.
      • International team: We are a uniquely international team with >10 nationalities
      • Top of market compensation packages including
      • Competitive salary, generous Employee Stock Ownership plans, 401(k)
      • Health Insurance: Medical, dental, and vision coverage
      • Ergonomic work stations & state-of-the-art equipment
      • Emphasis on training opportunities
      • Fun: We constantly strive to cultivate a great work atmosphere and organize regular team events. 


        Our process

        • Intro call with our Head of People, Grace (30 mins)
        • Initial discussion (30 mins) with a Dioxycle technical team member to discuss Dioxycle's mission, get to know you, and answer your questions
        • 60-min technical workshop including a presentation of your career, skillset, followed by questions, case studies with our team
        • A final on-site series of interview and opportunity to meet the team 
        • 45-mins Cofounder interview with Sarah, Cofounder & CEO
        • A series of reference calls with provided contacts


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