LR
Léo Royer
Apprentice network designer · Serinya Télécom
FIPCurrently an apprentice engineer at IMT Atlantique (Rennes)
Let’s buildtomorrow’sdigitalworld.
Apprentice engineer in computer science, networks & telecoms at IMT Atlantique and apprentice designer at Serinya Télécom, from optical transport to the IP/MPLS core.
backbone — westillustration
status — leo.royerillustrationlive
- Status
- ● UP — apprentice
- Location
- Rennes ·
- Uptime
- —
- Ping
- Stack
- MPLS · DWDM · Proxmox
DWDM · optical transportIP/MPLS · backboneBGP · OSPFFortiGate · FortiManagerNetFlow · telemetryProxmox · 2 nodesCloudflare · Zero TrustAnsible · automation3CX · SIP trunkIMT Atlantique · FIP 2026 — 2029
[ 01 ]About01 / 08
Who I am. At a glance.
A hybrid setup, home + cloud.
Proxmox 1
Proxmox 2
Tailscale
VPS
Cloudflare
First year of engineering school
At IMT Atlantique, alternating with Serinya Télécom.
MAX Tracker
max-tracker.fr[ 02 ]Journey02 / 08
My journey. No detours.
The building blocks that shaped me: three years of technical degree, an apprenticeship at a carrier since 2024, and now engineering school.
Experience
Since 2024Serinya Télécom
Apprentice network designer
ongoingI design customer and backbone infrastructure: DWDM optical transport, IP/MPLS routing, managed security on FortiGate and FortiManager, NetFlow telemetry. I work with partner carriers (Orange, SFR, IELO, Sewan, Altitude Infra…) to integrate their services and handle incidents.
2023→ 2026Université de Rouen
Part-time lecturer
2023→ 2024France Student
Support lead
Education
2026→ 2029IMT Atlantique, Rennes
Engineering degree in computer science, networks & telecoms (FIP)
ongoingApprenticeship-based engineering degree (French grande école), alternating with Serinya Télécom.
2023→ 2026IUT de Rouen
BUT Networks & Telecommunications (3-year Bachelor of Technology)
Three years of training in networks and telecoms, the last two as an apprentice at Serinya Télécom.
2020→ 2023Lycée Pierre Corneille
French baccalaureate, mathematics & computer science
My past
From fiber networks to cloud infrastructure, with one mission: being useful to our world.
[ 03 ]Projects03 / 08
My work. In the field.
The projects I have carried out over the last few years, at work, at school and at home.
[ 04 ]Skills04 / 08
What I master. And what I’m learning.
My tools of choice for building tomorrow’s infrastructure.
[ 01 ]carrier
Networking
Designing and optimizing carrier topologies: BGP/OSPF routing, MPLS, VLANs, QoS and integration of new PEs to ensure the performance, resilience and scalability of the infrastructure.
- BGP / OSPF
- MPLS
- VLAN
- QoS
[ 02 ]infra
Systems
Deploying and administering Linux and Windows servers, virtualization (Proxmox, KVM) and automation of operations tasks.
- Linux
- Windows
- Proxmox
- KVM
[ 03 ]voice
Telephony
Setting up and running IP telephony solutions based on 3CX and Asterisk, carrier interconnects (SIP, trunks) and analog ↔ digital gateways (Patton type).
- 3CX
- Asterisk
- SIP trunk
- Patton
[ 04 ]edge
CDN & Cloud
Using solutions such as Cloudflare, Fastly and Gcore to improve availability, security and performance, together with deploying infrastructure and services in the cloud (Azure, AWS).
- Cloudflare
- Fastly
- Gcore
- Azure
- AWS
[ 05 ]ecosystem
Partners & vendors
Working with network providers (Orange, SFR, IELO, Sewan, Altitude Infra…) and equipment vendors (Cisco, MikroTik, Huawei, Fortigate, Colt…) to integrate their solutions, handle incidents and evolve the infrastructure as needs change.
- Orange
- SFR
- IELO
- Sewan
- Altitude Infra
- Cisco
- MikroTik
- Huawei
- Fortigate
- Colt
[ 05 ]Profile05 / 08
How I work. Beyond the tech.
My soft skills: the foundation of my day-to-day effectiveness.
Organization and rigor
Every detail matters, every step is thought through.
Perseverance
Constructive stubbornness in the face of obstacles.
Curiosity
A constant desire to learn.
Autonomy
Able to work without assistance.
2023Started networks & telecoms
2024Apprenticeship at Serinya Télécom
5Skill areas
2029Target engineering degree
[ 06 ]What’s next06 / 08
What’s next. Already underway.
How we could grow together.
- ongoing
Join an engineering school
Enter a top-tier program to deepen my expertise.
- upcoming
Build up my skills
Broaden my technical toolkit and strengthen my foundations.
- upcoming
Get certified
Validate my know-how with recognized certifications.
- upcoming
Adapt to change
Evolve with a tech world that never stands still.
[ 07 ]Questions07 / 08
Your questions. My answers.
I have skills, some experience, and above all a thirst to learn more while being useful to society.
An environment that pushes me to get better every day.
I see myself as a rigorous infrastructure engineer, able to design robust and lasting solutions. Someone you can trust to lead critical projects, while continuing to learn and grow alongside passionate people.
Yes, anywhere in France; I currently split my time between Rennes and Rouen.
LinkedIn or email, at bonjour@royerleo.fr.
Write to me. Simply.
Let’s talk systems, networks, or what we could build together.
My email address
bonjour@royerleo.fr