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L3 Network Engineer Senior

Hybrid in Barcelona·Added yesterday (last checked 4 Nov)

COBSER Consulting

29 open roles

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Our summary

Salary
€45,000 - €55,000 a year

About €2,720 - €3,210 a month after tax.

Work mode
Hybrid, Barcelona
Contract
Permanent
Experience
8+ years

Visa options

  • The ad doesn’t mention sponsorship

    Not a refusal, but not a yes. Worth asking in your first message.

  • Pay clears the EU Blue Card threshold

    The advertised pay is over the €41,356 bar, so the route exists if COBSER Consulting uses it.

More jobs over the Blue Card threshold

Skills

This job advert was originally written in Spanish.

Requirements

What we're looking for

Requirements

  • Minimum 8 years of experience in Network Engineering, preferably in enterprise or service provider environments.
  • Experience with Cisco and/or Juniper equipment.
  • Advanced knowledge of TCP/IP, BGP, OSPF, EIGRP, and MPLS.
  • Demonstrable experience in advanced troubleshooting and fault isolation.
  • Knowledge of VPNs, firewalls, and network security.
  • Experience with monitoring tools such as SolarWinds, PRTG, Nagios, or Cisco Catalyst Center/DNAC.
  • Ability to work autonomously in critical environments.
  • Availability to perform on-call shifts for a maximum of one week per month, from Tuesday to Tuesday and including one weekend.
  • Availability for professional travel.

Nice to have

  • CCNP, CCIE, Palo Alto, or equivalent certifications.
  • Automation using Ansible and/or Python.
  • Experience with Azure or AWS Networking.
  • Knowledge of SDN/NFV.
  • Data Center Networking and virtualization.
  • Experience in large-scale network migration projects.

Pay & benefits

What you'll get

  • Permanent contract.
  • Hybrid modality (Barcelona).
  • Salary range: €45,000 - €55,000 gross/year.
  • Annual training plan.

The role

We are looking to hire a Senior L3 Network Engineer with extensive experience in enterprise or service provider network environments, oriented towards advanced support, troubleshooting, and maintenance of critical network infrastructures.

What you'll do

Main duties

  • Provide advanced L3 support for the network infrastructure.
  • Diagnose and resolve complex incidents, performing root cause analysis (RCA).
  • Maintain and optimize the existing network infrastructure.
  • Participate in design reviews, upgrades, migrations, and network evolutions.
  • Collaborate on security improvements and the configuration of VPNs and firewalls.
  • Improve monitoring and automation processes.
  • Document configurations, incidents, resolutions, and changes.
  • Collaborate with different technical teams on networking projects.

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