CST Engineer: Network Support (L1-L3) | Cisco/IP

Cogent Communication; Madrid; In loco; EUR 55.000 - 75.000; Tempo pieno

Descrizione del lavoro

Cogent Communications in Madrid is seeking a CST Engineer to provide first-line technical support across Layer 1–3. You will diagnose issues, keep customers informed, and coordinate with internal teams and vendors to deliver timely solutions.

The role is based in the office in Madrid and requires at least 2 years in a networking role, Cisco equipment familiarity, and strong English communication. You will join a customer-focused, fast-paced team and work under pressure to meet deadlines.

Competenze

• Minimum 2 years in a similar network operator role.
• Strong knowledge of TCP/IP, BGP, IGP, MPLS, DNS and IP-VPN.
• English fluency; other languages are a plus.

Mansioni

• Provide first-line customer and technical support for Layer 1–3 services by phone and email; diagnose and resolve issues.
• Log clear steps in trouble-ticketing system for each reported issue.
• Manage a queue of tickets with timely status updates and progression toward resolution.
• Coordinate with Operations, other Cogent teams and vendors to resolve issues promptly.
• Communicate professionally with customers, vendors, and internal stakeholders, including in challenging situations.
• Manage customer expectations, handle escalations and de-escalate as needed.
• Provide accurate handover of outstanding issues at shift end.
• Carry out other duties or special projects as assigned.

Conoscenze

TCP/IP networking

BGP/IGP/MPLS

DNS/IP-VPN

English fluency

Strumenti

Cisco equipment

CCNA/CCNP certification

Descrizione del lavoro

Cogent Communications in Madrid is seeking a CST Engineer to provide first-line technical support across Layer 1–3. You will diagnose issues, keep customers informed, and coordinate with internal teams and vendors to deliver timely solutions.

The role is based in the office in Madrid and requires at least 2 years in a networking role, Cisco equipment familiarity, and strong English communication. You will join a customer-focused, fast-paced team and work under pressure to meet deadlines.