Backbone Build Engineer (Network Infrastructure)

TL;DR

Backbone Build Engineer (Network Infrastructure): Delivering critical backbone infrastructure projects, including data center migrations and fiber deployments, with an accent on multivendor ecosystem management and supplier coordination. Focus on validating fiber connectivity, troubleshooting DWDM backbone links, and executing complex circuit migrations.

Location: Hybrid Sofia, Bulgaria

Company

hirify.global is a dynamic tech service provider supporting global enterprise clients across various industries including Fintech, Logistics, and Healthcare.

What you will do

• Lead and execute data center and customer circuit migrations.
• Coordinate with third-party providers for fiber installation and service delivery (tails, cross-connects).
• Collaborate with field technicians to verify physical connectivity and fiber patching.
• Validate fiber connections and troubleshoot DWDM backbone link onboarding.
• Manage escalations and resolve high-impact infrastructure issues.
• Perform network configuration and troubleshooting via CLI across Cisco IOS, Junos, and Arista EOS.

Requirements

• Solid experience in network infrastructure projects, specifically fiber installations and data center migrations.
• Hands-on CLI experience in multivendor environments (Cisco, Juniper, Arista).
• Familiarity with DWDM systems for fiber connectivity troubleshooting.
• Proven ability to manage suppliers and coordinate external service delivery.
• Strong understanding of network protocols and configurations.
• Location: Must be based in Sofia, Bulgaria (Hybrid)

Nice to have

• CCNA certification or equivalent.
• Experience with additional network technologies and equipment.
• Familiarity with project management tools and methodologies.

Culture & Benefits

• Continuous learning and professional growth opportunities.
• Professional training and English language classes.
• Flexible working hours.
• Inclusive and supportive corporate culture.