Network Engineer (Level 3)
* Location: Fully Remote (with occasional travel to Madrid or Barcelona office, 1–2 times per month)
* Contract Type: Freelance / Autonomo
* Duration: 11–12 months
About the Role:
We are seeking a highly skilled Level 3 Network Engineer to support a large-scale data center environment for a global IT services and consulting provider. The role involves working within a dynamic infrastructure team that supports enterprise-grade networking solutions across multiple client sites.
Key Responsibilities:
* Provide advanced support and troubleshooting for complex network issues in a data center environment.
* Manage and optimize Cisco-based switching and routing infrastructure.
* Administer and troubleshoot firewalls, particularly Fortinet (NSE5/NSE7).
* Support wireless network environments using Cisco and Aruba technologies.
* Operate within virtual networking platforms such as Cisco ACI and VMware NSX.
* Manage and troubleshoot load balancers including F5 and Netscaler.
* Handle DNS configurations and maintenance using Infoblox.
* Participate in on-call rotations and provide rapid response during critical incidents.
* Collaborate with cross-functional teams to propose workarounds and solutions during outages or service disruptions.
Required Skills & Experience:
* Minimum 4 years of hands-on experience in IT operations, specifically in networking.
* Certifications: Cisco (CCNA, CCNP), Fortinet (NSE5, NSE7).
* Strong understanding of network and internet protocols.
* Experience with WLAN/WiFi technologies (Cisco, Aruba).
* Familiarity with virtual networking (Cisco ACI, NSX).
* Load balancer experience (F5, Netscaler).
* DNS management expertise (Infoblox).
* Ability to work independently and propose effective solutions under pressure.
* Fluent in English (spoken and written).
Nice to Have:
* Spanish language skills.
* Experience working in large enterprise or managed service environments.
If you are interested in this role apply now!
APPLY NOW!