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Senior Network Security Engineer

Senior Network Security Engineer

On site

Massy, France

Senior

Freelance

02-03-2026

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Skills

Communication

Job Specifications

Network & Security Engineer / Architect – Massy (Ref: AO414)

Location: Massy (occasional travel to Eragny)

Contract: 6 months, renewable

We are looking for a hands-on Network & Security Engineer / Architect to join our team in Massy. This role is ideal for someone dynamic, autonomous, and technically sharp, with strong communication skills and recent experience in industrial IT environments.

What You’ll Do

Design, adapt, and implement network & security architectures
Lead deployment projects (95% Build / 5% Run – Level 3)
Qualify complex requests and coordinate with project teams
Support projects through VABE & VSR phases, ensuring smooth transition to RUN
Decommission obsolete equipment and integrate new solutions
Contribute to standardization of network & security solutions across the group
Participate in scoping, POCs, integration, and operations support
Keep documentation up to date and propose performance improvements

Core Skills

Routing, Switching, Firewalling, Segmentation
Strong technical reflexes, ability to simplify complex topics
Fluent English (daily exchanges)
Minimum 6 years’ experience post Master’s degree

Technologies You’ll Work With

HPE, Cisco (Catalyst, Nexus, Wi-Fi, ISE)
Ucopia, Palo Alto, Forcepoint, NAC, Stormshield
Infoblox, SD WAN, Zscaler

Thanks for your time.

Let’s connect or share your resume to sai.krishna@thoughtlabs.be

About the Company

We focus on delivering high-performance and premium services to diverse organizations. ThoughtLabs® is a team of software engineers, programmers, technology experts and technical recruiters who work together to provide our clients with outstanding services. What we do? • IT Consultation • IT Staffing • Web Development • Mobile App Development • IT Consultation In this high-tech and digitalized world, you may be stuck in certain things. You need to analyze your current business practices, approach and standings in tec... Know more