Ingénieur Réseau & Sécurité Build N3

About Devoteam

Devoteam is a technology, cloud, cyber, AI, and sustainable development consulting firm. With over 11,000 employees in more than 25 countries, we have been guiding our clients in the technological transformation of their businesses for nearly 30 years. In France, we are 4500 Digital Architects spread across +50 expertise tribes and coached by +400 expert managers. Joining us means: working on innovative and sustainable projects to put Technology at the service of people, continuous certification on new market technologies, and sharing unique moments with colleagues!

To learn more about Devoteam, visit here.

Job Description

Focus on the NetSec (Network & Security) tribe. Reporting to the NetSec tribe, an entity dedicated to Network and Network Security professions, you will be at the heart of infrastructure evolution projects, obsolescence management projects, or Datacenter Move programs.

Your main responsibilities as a Network & Security Build N3 Engineer:

Main Mission:

You will be involved in strategic and complex projects, ensuring the design, implementation, and support of high-level network and security solutions.

Your Responsibilities:

• Conduct technical feasibility studies and propose the best implementation options.
• Prepare and quote estimates, subject to client validation.
• Configure and commission equipment to meet expressed needs.
• Produce and maintain up-to-date technical architecture documentation.
• Analyze and resolve incidents related to interventions performed.
• Provide Level 3 support for major incidents.

Qualifications

Technical Skills Expected:

• Architecture: design and study of network and security architectures.
• Security: Firewall, VPN, Reverse Proxy, Proxy, WAF expertise…
• Fortinet (FW, VPN), FortiProxy, F5 (LTM, ASM, APM), Netskope Proxy, Checkpoint (FW, VPN), Palo Alto (FW, VPN), Forcepoint (FW, VPN).
• Network: LAN, WAN, MPLS, VPN
• Network protocols, switching, routing, load balancing, Cisco routers…
• Automation & scripting to optimize and industrialize operations.
• Certificate management and PCI/LPM compliance notions.

Personal Qualities:

• High-level oral and written communication.
• Excellent client-facing skills and synthesis ability.
• Technical curiosity, rigor, and proactivity.
• Team spirit and ability to collaborate with multidisciplinary stakeholders.
• Ability to work under pressure and manage critical situations.

Conditions and Environment:

• English level: professional.
• Location: Saint-Quentin-en-Yvelines, with occasional travel.

Profile Sought:

• Minimum 6 years of confirmed experience in network & security engineering.
• Very good knowledge of LAN/WAN environments, firewalls, cloud, and automation.
• Successful experience in banking environments (strong asset).
• Rigor, autonomy, sense of responsibility, and excellent interpersonal skills.

You are certified in some of these technologies and speak fluent French and English. And what does Devoteam offer you in return? A permanent contract (CDI), to project ourselves together in the long term.

Additional Information

Why Join Us?

• Career monitoring by a tech manager with regular exchanges;
• Technical and soft skills certifications freely accessible with a goal of at least 2 certifications per year, vouchers provided, and expert coaching;
• Preferred technology partners: Google, AWS, Microsoft, ServiceNow, Snowflake, MuleSoft, Outsystems, SAP, Databricks, Gitlab, …;
• A trajectory with varied possibilities through internal geographic, functional, and inter-entity/tribe or squad mobility.
• Internal roles to build your career within the Group: manager, internal trainer, tech leader, digital champion, squad leader, …;
• Internal contributions to broaden your skills such as school relations, recruitment, sales, article writing, meetup or community animation, …;
• A strong community spirit, through internal events and sports and cultural activities thanks to more than 30 Happiness@Devoteam clubs, allowing you to meet your colleagues regularly and share your passions;
• A Tech for People vision embodied in our values, our responsible practices, our sustainable development program recognized by the Ecovadis label, and our strong commitments, notably with the Devoteam Foundation.

How is the recruitment process at Devoteam?

It includes 2 to 3 interviews:

• Talent Acquisition Interview: the objective is to review your skills, your English level, and validate your motivations.
• Tech & Business Interview: this interview aims to deepen your technical skills and verify their alignment with our needs through an exchange with a business expert.
• Leadership Interview: it assesses your potential, your ambitions, and considers your evolution within Devoteam.

We prefer at least one in-person interview. Reference checks are requested and, depending on your profile, tests (technical, English, personality...) may be sent to you. If your application is selected, we will send you a proposal outlining the hiring conditions. Upon acceptance, the employment contract is formalized.

If you share our passion for technology and wish to build the responsible digital world of tomorrow, then you may be the enthusiast we are looking for at Devoteam.

The Devoteam Group works for equal opportunities, for the promotion of its employees based on merit, and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism, and excellence of our organization. All our positions are open to people with disabilities.