Core Network Operations Expert

About us:

As a leading telecommunications infrastructure provider in the region, CETIN drives digital transformation with a strong presence across Bulgaria, Hungary, Serbia, and Slovakia. Through our subsidiaries, we deliver advanced technology solutions that empower connectivity and enable innovation.
CETIN owns and operates some of the largest telecommunications networks in Bulgaria and Serbia, committed to delivering high-quality, cutting-edge infrastructure that meets and exceeds our customers’ technological needs. Our focus is on developing and deploying world-class telecommunications infrastructure to tackle the dynamic demands of today’s market.
At CETIN, we bring together highly skilled and motivated experts dedicated to excellence.

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

ROLE OVERVIEW:

Monitor and optimize Core Network performance
Troubleshoot and resolve network issues (hardware/software)
Handle alarms and trouble tickets
Integrate new network elements and software releases
Collaborate on major projects and network expansions
Support interconnection, signaling, and routing
Participate in on-call rotations

MAIN REQUIREMENTS:

Education: B.Sc. in Electrical Engineering or Computer Science (M.Sc. is a plus)
Experience: 3+ years preferred, but not mandatory
Skills:

Core Network technologies & protocols (SIP, Diameter, H.248)
Basic IP networking
Linux/Unix/Windows system operations
Software testing and troubleshooting

Team player with strong communication skills in English
Self-driven, adaptable, and resilient under pressure

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
• Private health insurance
• Recreation or health program
• Participation in annual bonus system
• Competitive terms and conditions

Only short-listed candidates will be contacted