Network and Security Administrator

Remote, Madrid·Added today

Fistrek

48 open roles

Overview

Job details

  • Fully remote

    Per the ad.

Requirements

  • Have the right to work in Spain

    Fistrek doesn't mention sponsorship in the ad.

  • University degree

    “Formación técnica en Ingeniería Informática, Telecomunicaciones, Redes o similar.” — per the ad.

This job was automatically translated to English.

Requirements

What we're looking for

  • Technical training in Computer Engineering, Telecommunications, Networking, or similar.

  • Experience in the administration and operation of Layer 3 network infrastructures in corporate environments or data centers.

  • Advanced knowledge of BGP (eBGP, iBGP, route reflectors, communities, prefix filtering, AS-path, MED, and routing policies).

  • Experience working with OSPF and IS-IS protocols.

  • Knowledge of network segmentation, VRF, route redistribution, and high availability architectures.

  • Experience in environments with Check Point, Cisco, or Fortinet firewalls.

  • Ability to diagnose and resolve complex communication and network performance incidents.

  • Experience in change management, impact analysis, and technical documentation.

  • Analytical profile, oriented toward problem-solving and with the capacity to work in critical environments.

  • Availability to travel to Madrid occasionally when necessary.

The role

What you'll do

  • Administer, operate, and support Layer 3 enterprise networks and data centers, including WAN environments, site-to-site connectivity, Internet edge, and interconnection with third parties.

  • Design, configure, and optimize BGP-based routing environments (eBGP and iBGP), ensuring performance, stability, and high availability.

  • Manage and optimize routing protocols such as OSPF and IS-IS, performing convergence tuning, redistribution, and network segmentation.

  • Participate in the definition of routing policies, VRF management, route control, and network architecture reviews.

  • Collaborate in the administration of redundant infrastructures with routers, firewalls, and other critical communication elements.

  • Manage technical changes, risk analysis, implementation plans, and rollback procedures.

  • Resolve complex incidents related to routing, connectivity, latency, packet loss, MTU, convergence, and network performance.

  • Perform root cause analysis and propose continuous improvement actions to increase the resilience and efficiency of services.

  • Maintain up-to-date technical documentation, network diagrams, IP inventories, and operating procedures.

  • Collaborate in knowledge transfer and the definition of best practices for operations teams.

About Fistrek

Fistrek is a recruiting agency specializing in connecting professionals with job opportunities across various industries. The company operates on a global scale, with a presence in multiple countries, including Spain. Fistrek's core business revolves around providing recruitment services, matching candidates with suitable roles in fields such as engineering, design, and IT. The company's extensive network and expertise in the recruitment industry make it a valuable resource for both employers and job seekers.

Fistrek has a significant presence in Spain, with offices in multiple cities. The company's work culture is focused on professionalism and efficiency, ensuring that both clients and candidates receive top-notch service. For international professionals, Fistrek offers a range of opportunities to relocate and build a career in Spain, leveraging their expertise in the recruitment sector.

Industry
Recruiting
Website
fistrek.es
All open roles at Fistrek
WhatsApp