Carrier-Grade Linux & Network Systems Engineer

Share; Barcelona; Presencial; EUR 85.000 - 110.000; Jornada completa

Descripción de la vacante

Share is seeking a senior Systems Engineer to own the infrastructure foundation—servers, virtualization, and security perimeter—running at carrier-scale. You will work on production Linux, virtualization, and the security perimeter around it.

You bring years in telco/ISP environments, deep Linux, virtualization (VMware, KVM, Hyper-V), security ownership, networking basics, and cloud exposure (AWS/GCP/Azure). You will contribute to a cloud-first stack and own production issues end-to-end.

Formación

• 7+ years of professional systems engineering experience in telco/ISP or carrier-grade operators.
• Deep production Linux administration with scale and hardened systems.
• Real virtualization depth across VMware, KVM, Hyper-V (or similar).
• True security ownership: perimeter security, firewalls, segmentation, VPNs, IDS.
• Solid networking fundamentals: routing, switching, VLANs, DNS, load balancing.
• Working knowledge of at least one hyperscaler (AWS, GCP, Azure).
• Kubernetes exposure.
• AI-native in workflow: built with AI tools, not just used.
• You ship, own problems through production and drive improvements.

Responsabilidades

• Own the infrastructure foundation: servers, virtualization, and security perimeter at production scale.
• Operate production Linux and virtualized infrastructure with discipline.
• Design and defend security boundaries, including firewall rules and VPNs.
• Collaborate with network team on routing, DNS, load balancing, and carrier-grade connections.
• Work with cloud providers (AWS/GCP/Azure) in a cloud-first stack.
• Demonstrate Kubernetes exposure and leverage AI tools in workflows.
• Own infrastructure or security problems end-to-end and push improvements across the department.

Conocimientos

7+ yrs exp

Linux admin

Virtualization

Security ownership

Networking basics

Hyperscaler exp

Kubernetes

AI-native workflow

Ownership & delivery

Descripción del empleo

Share is seeking a senior Systems Engineer to own the infrastructure foundation—servers, virtualization, and security perimeter—running at carrier-scale. You will work on production Linux, virtualization, and the security perimeter around it.

You bring years in telco/ISP environments, deep Linux, virtualization (VMware, KVM, Hyper-V), security ownership, networking basics, and cloud exposure (AWS/GCP/Azure). You will contribute to a cloud-first stack and own production issues end-to-end.