Core Transport Network Expert

CETIN Bulgaria delivers high-quality telecommunications infrastructure services in Bulgaria, ensuring reliable connectivity with a commitment to excellence We provide an enjoyable customer journey and great performance by pushing sustainable technological development and anticipating customers' demands, based on our cutting-edge communications infrastructure, highly skilled team of more than 300 professionals, and our customer-driven strategy.

CETIN Bulgaria is a member of CETIN International - a leading wholesale provider of active and passive telecommunications infrastructure services in Central and Eastern Europe.

Join us to be part of a team shaping the future of telecommunication!

Main Responsibilities

• Participate in the planning, design, and optimization of the IP transmission network to support connectivity and capacity demands
• Ensure the reliability and availability of the IP transmission network
• Lead and actively participate in company projects related to the transmission network
• Define end-to-end connectivity parameters between network elements
• Maintain up-to-date documentation of the IP network infrastructure

Requirements

Education, qualification and personal experience:

• University degree in Telecommunications or a related field
• Strong interest in new technologies and continuous self-development
• Proven experience in planning and architecture of transmission networks
• Experience in IP network operations, including data center networks, routing, switching, LAN, VPN, etc.
• Experience in network security operations, including Next-Generation Firewalls, security policies, and network devices security hardening
• Experience in leading projects in the field of transmission networks
• At least 5 years of experience in an ISP and/or telecommunications environment
• Relevant network technical certifications are considered an advantage
• Ability to work under pressure and meet tight deadlines
• Very good command of English (both written and spoken)
• High level of integrity and reliability

Specific knowledge and abilities:

• Solid knowledge of network technologies and protocols, including: TCP/IP, Routing (BGP, OSPF, IS-IS), Data Center SDN architectures, LAN (VLAN, VXLAN), VPN, etc.
• Hands-on experience with Next Generation Firewalls (NGFW), including design, deployment, and operations; good understanding of security policies, traffic inspection (L3–L7), VPN technologies, threat prevention features (IPS, anti-malware), and network segmentation in enterprise environments
• Experience in preparing planning and design documentation for transmission projects, including High-Level and Low-Level Design (HLD/LLD) and testing procedures
• Advanced user of Microsoft Office products
• Familiarity with Linux environments and/or cloud computing technologies is considered an advantage
• Basic hardware knowledge

Personal characteristics:

• Results oriented, team-player
• Correct and committed to the company strategy
• Fast learner with strong ability to keep strict documentation on its activities

Work-conditions & benefits: 

• Positive workplace culture where you would receive all the support you need from your peers and managers in order to achieve your personal and team goals
• Preferential prices for mobile devices and accessories
• Unlimited mobile services and mobile internet
• Flexible working hours
• Possibility for remote work
• Monthly food vouchers
• Transportation allowance
• Additional health insurance
• Up to 25 days paid leave

Only short-listed candidates will be contacted. All applications will be treated in strict confidentiality and in compliance with applicable law regarding personal data protections.