Core IP Network Engineer

About us:

CETIN is a service provider for the digital business ecosystem, delivering connectivity, data center, cloud, and cybersecurity services. As a leading national and international interconnection hub in the CEE region, CETIN holds a unique position in the Serbian market. Born in telecom, with deep engineering expertise, the company provides secure, reliable, and high‑availability infrastructure for businesses whose operations depend on performance, resilience, and trust. With all services internally developed and validated, CETIN ensures proven quality, scalability, and operational excellence, enabling partners and customers to focus on their core business while digital ecosystems connect, scale, and grow across the region.

CETIN offers an environment for people so they can grow, continually learn, and build deep expertise, while being respected and supported to do their best.

Join us and build your expertise by working on meaningful projects and complex and large‑scale systems.

What we will expect from you:

• Operating and maintaining a triple-site, multi-homed core network infrastructure
• Managing and optimizing BGP routing (peering, policy control, traffic engineering, failover)
• Delivering and supporting L2/L3 services (Internet transit, VPN/SD-BRANCH, infrastructure hosting)
• Configuring, deploying, and troubleshooting network equipment (Fortinet, MikroTik, and multi-vendor platforms)
• Performing incident detection, root cause analysis, and resolution across core and customer-facing services
• Implementing new network services and integrating new vendors into the existing architecture
• Monitoring network performance, capacity, and availability, with a focus on resilience and redundancy
• Working with upstream providers on routing, peering, and service delivery
• Providing advanced support and escalation handling for internal teams and business customers
• Maintaining documentation, network diagrams, and configuration standards

For a good start you will need:

• College degree in IT or Technical field
• At least 4 years of experience in a same or similar position
• Excellent knowledge of networking protocols and technologies (routing, BGP, switching, and security), as well as Fortinet, and MikroTik network equipment
• Familiarity with 802.11-based wireless networks
• Cisco, Fortinet, or MikroTik certification (an advantage)
• Excellent command of the English language
• Excellent computer skills

Personal attributes:

• Ability to independently resolve challenges
• Quick learner with strong analytical skills
• Strong organizational skills
• Oriented towards compliance with procedures and rules

What we offer:

• Open working space and flexible working hours
• Training and development programs
• 25 days paid holiday leave per annum
• Laptop, mobile phone and tariff package in line with company policy
• Health package
• Recreation or health program
• Participation in annual bonus system
• Competitive terms and conditions
   
  Only short-listed candidates will be contacted