About the Position

Network & Security Architecture Manager (Transition Manager)

Paris, France

Devoteam est une entreprise de conseil en technologies, cloud, cyber, IA et développement durable. Avec plus de 11 000 collaborateurs dans plus de 25 pays, nous guidons nos clients depuis près de 30 ans dans la transformation technologique de leurs activités. En France, nous sommes 4500 Digital Architects répartis dans + de 50 tribus d’expertises et coachés par + de 400 managers experts. Nous rejoindre c’est : travailler sur des projets innovants et durables pour mettre la Technologie au service de l’humain, se certifier en continu sur les nouvelles tech du marché et partager des moments uniques entre collègues!

Pour en découvrir plus sur Devoteam, rendez-vous ici.

Responsibilities

Your main missions will be to:

Quickly assess the current architecture landscape, ongoing initiatives and risks, and confirm a pragmatic 3–6 month roadmap aligned with IT and cybersecurity strategy
Lead, support and develop the team of network and security architects (4 people): clarify priorities, allocate capacity, and ensure day-to-day management continuity
Define and drive the architecture strategy for network & security domains, including LAN, WLAN, SD-WAN, SSE and datacenters, with a focus on immediate impact and decision-making
Provide high-level expertise and escalation support on critical topics, ensuring service stability and risk mitigation
Coordinate efficiently with other stakeholders (cybersecurity, operations, external vendors, etc.) and prepare an organized handover package for the permanent manager

Interim Mission – Objectives & Expected Deliverables

0–30 days: onboarding, stakeholder mapping, review of current architecture standards and in-flight programs; identification of key risks and quick wins
30–90 days: validated priorities and roadmap; governance cadence in place; decisions unblocked on critical topics (SSE, SD-WAN, datacenter, cloud connectivity)
Delivery: updated architecture principles/standards where needed; documented target states and transition plans for major initiatives
Handover: complete handover pack (status, risks, decisions log, roadmap, stakeholder map, vendor landscape) and support of the permanent manager’s ramp-up

Technical Context

As a manager of a technical team, hands-on and practical experience is really important. Your role will be to lead a team of architects while having a strong understanding of all key concepts:

Enterprise network architectures (WAN, LAN, WLAN, SSE, datacenters)
SD-WAN - Fortinet
SSE - Zscaler
Firewalling - Checkpoint, Palo Alto, Fortinet
WLAN/LAN – Cisco Meraki
Datacenter – Juniper LAN, Cisco LAN, F5
Cloud networking concepts – AWS in particular

Requirements

10+ years of experience in Enterprise networking, including significant architecture experience and proven experience in team management or technical leadership
Proven ability to step into complex organizations quickly (interim/transition, consulting or turnaround contexts) and deliver within short timelines
Capability to interact with multiple stakeholders in an international environment; ability to challenge, arbitrate and make decisions
Strong prioritization skills and pragmatic approach to balance long-term architecture principles with operational constraints
Fluent English (written and spoken)

Why Join Us?

Career support from a tech manager with regular exchanges
Free access to technical and soft skills certifications with a goal of 2 certifications per year, provided vouchers, and expert coaching
Top technology partners: Google, AWS, Microsoft, ServiceNow, Snowflake, MuleSoft, Outsystems, SAP, Databricks, Gitlab, …
Diverse career trajectory through geographical, functional, and inter-entity/tribe/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, commerce, article writing, organizing meetups or community events, …
A strong community spirit through internal events and sports and cultural activities with over 30 Happiness@Devoteam clubs, allowing you to meet colleagues regularly and share your passions
A Tech for People vision embodied in our values, responsible practices, our sustainable development program awarded the Ecovadis label, and our strong commitments including the Devoteam Foundation

Recruitment Process at Devoteam

The process includes 2 to 3 interviews:

Talent Acquisition Interview: The goal is to review your skills, your English level, and validate your motivation
Tech & Business Interview: This interview aims to deepen your technical skills and verify their alignment with our needs during an exchange with a business expert
Leadership Interview: It allows us to assess your potential, your ambitions, and consider your evolution within Devoteam

We prefer at least one interview in person. A reference check is requested, and depending on your profile, you may be asked to take technical, English, or personality tests. If your application is selected, we will send you an offer presenting the employment conditions. If accepted, the employment contract will be formalized.

If you share our passion for technology and want to build the responsible digital world of tomorrow, then you might be the passionate individual we are looking for at Devoteam.

Devoteam Group works for equal opportunities, promotes 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.

Network & Security Architecture Manager (Transition Manager)

Job description