Presales Security Engineer

Publication date : Oct 28, 2026, 12:00AM

Lorsque vous êtes prêt, Orange Business est là pour vous accompagner !
Nous sommes un intégrateur réseau et digital qui comprend l’ensemble de la chaîne de valeur du monde numérique, permettant à nos clients de se concentrer sur les initiatives stratégiques qui façonnent leur activité.
Chaque jour, vous collaborerez avec une équipe dédiée à fournir des solutions globales, cohérentes et durables, où que nos clients opèrent. Avec plus de 30 000 salariés en Asie, dans les Amériques, en Afrique et en Europe, nous offrons un environnement dynamique pour développer et perfectionner vos compétences dans un secteur riche en défis et opportunités passionnants.

Lead the design and delivery of tailored cybersecurity solutions by deeply analyzing client technical requirements, facilitating high-value technical workshops, and driving innovative security architecture proposals in partnership with sales teams.

• Analyze in depth the technical challenges and needs of clients to tailor cybersecurity solutions effectively.
• Conduct technical workshops and demonstrations that provide substantial added value to prospective clients.
• Design innovative and customized security architectures that address evolving cybersecurity threats.
• Develop comprehensive technical specifications and compelling proposals to support sales efforts.
• Manage responses to calls for tenders collaboratively with Account Managers to secure new business opportunities.
• Maintain active technological watch and serve as a trusted technical reference within the team.

You hold a Bac+5 degree in Computer Science, Networks, or Cybersecurity and bring a minimum of five years of experience in cybersecurity pre-sales. You have a strong technical foundation in areas such as firewall technologies, NAC, Zero Trust architectures, web and mail filtering, sandboxing, data protection including DLP and encryption, as well as application and API security. Your capabilities extend to IAM, strong authentication, SIEM, VPN, and vulnerability management. You communicate clearly, present convincing arguments, and work autonomously to meet client needs effectively.
Your professional skills:

• Demonstrate expertise in configuring and managing firewall solutions, network access control (NAC), and Zero Trust security models.
• Implement and monitor web and email filtering technologies including sandbox environments to mitigate threats.
• Apply data protection measures such as data loss prevention (DLP) and encryption techniques to safeguard sensitive information.
• Design security controls for web applications and APIs to prevent vulnerabilities and attacks.
• Administer identity and access management (IAM), enforce strong authentication methods, and utilize security information and event management (SIEM) tools.
• Configure and manage virtual private networks (VPN) and deploy vulnerability management strategies to enhance security posture.

• Communicate technical concepts clearly and effectively to diverse stakeholders, ensuring understanding and alignment.
• Present persuasive arguments and maintain conviction when advocating for technical solutions to support client needs.
• Work independently, taking ownership of tasks and managing priorities to meet deadlines and deliver results.

Join Orange as an Ingénieur avant-vente and contribute to delivering innovative cybersecurity solutions that address complex client needs. In this role, your technical expertise and analytical skills will make a direct impact on advancing secure business architectures. You will operate within a collaborative environment that values continuous learning, technical rigor, and proactive exploration of new security challenges, supporting your professional growth and influence.

• Opportunités mondiales: Travailler au sein d’équipes multinationales avec la possibilité de collaborer avec des collègues et des clients du monde entier..
• Environnement de travail flexible: Horaires flexibles et possibilité de combiner travail au bureau et à domicile (modalités hybrides).
• Développement professionnel: Programmes de formation et opportunités de montée en compétences ou de reconversion.
• Évolution de carrière: Possibilités de progression interne et de mobilité au sein d’Orange.
• Culture bienveillante et audacieuse: Programmes de santé et de bien-être, initiatives en faveur de la diversité et de l’inclusion, actions de Responsabilité Sociétale des Entreprises (RSE) et événements de lien avec les salariés.
• Programmes de récompenses: Programme de parrainage.

At Orange, only your skills matter.

Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.