CST Engineer (Networking)

Location: In-office position based in Madrid, Spain

Company

hirify.global is a publicly traded, global Tier 1 facilities-based ISP providing high-speed Internet access, Ethernet transport, and IP services through its all-optical network backbone.

What you will do

• Provide first-line customer and technical support for Layer 1, Layer 2, and Layer 3 services by telephone and email.
• Diagnose and resolve customer-reported service issues and technical questions, documenting all troubleshooting steps in the ticketing system.
• Manage customer-created ticket queues, provide timely status updates, and progress issues toward resolution.
• Coordinate with Operations, internal teams, and vendors to resolve issues and manage escalations.
• Communicate professionally with customers and stakeholders, manage expectations, and de-escalate challenging situations.
• Provide accurate handovers of outstanding issues at the end of each shift and carry out assigned special projects.

Requirements

• At least 2 years of experience in a similar role with a network operator.
• Good technical knowledge of networking, including TCP/IP, IP protocols, BGP, IGP, MPLS, IP addressing, DNS, and IP-VPN.
• Strong written and verbal communication skills, including fluency in English.
• Strong analytical and problem-solving skills, a customer-focused approach, and willingness to learn.
• Ability to collaborate as part of a team and work effectively under pressure and to tight deadlines.
• Availability for morning or evening shifts, Monday to Friday.

Nice to have

• Experience with Cisco equipment.
• CCNA or CCNP certification.
• Additional language skills.

Culture & Benefits

• In-office work in Madrid, Spain.
• Customer-focused environment involving collaboration with Operations, internal teams, and vendors.
• Work is organized across morning and evening shifts from Monday to Friday.

Hiring process

• Submit a resume and cover letter to careers@cogentco.com.
• Applications are accepted from candidates only; recruiters should not apply.