Network Support Engineer (L1-L3) - Madrid (Onsite) en Madrid, España

Cogent Communications in Madrid, Spain, is seeking a CST Engineer to provide first-line technical assistance across Layer 1–3 services. You will diagnose issues, document steps, and coordinate with internal teams and vendors to deliver effective support.

The role requires strong networking knowledge, CCNA/CCNP valued certification, and excellent English communication. Availability for morning or evening shifts is expected in this in-office position.