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Senior Cyber Security Specialist
Senior Cyber Security Specialist
About the Role:
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.
Senior Cyber Security Specialist is a role responsible for implementing, enhancing, and maintaining security infrastructure, as well as actively contributing to protecting the organization against cyber threats.
Key Responsibilities:
- Supporting operations related to security infrastructure
- Documenting integrations, technical specifications, and operational processes
- Participating in the resolution of incidents caused by cyber-attacks
- Implementing, maintaining, and optimizing cybersecurity tools
- Monitoring new technologies and trends in the field of cybersecurity
- Contributing to the development and deployment of security services
- Supporting clients with security-related requirements
Required Skills & Qualifications:
- University degree (preferably in IT or a related field)
- Experience in ICT security or similar roles
- Good understanding of IP networks and IT systems
- Knowledge of technologies such as NGFW, XDR, NDR, WAF
- Relevant cybersecurity certifications (e.g., CEH, CISSP, CompTIA Security+) are an advantage
- Strong organizational and project management skills
- Analytical mindset with the ability to clearly identify key issues
- Innovative and proactive approach to work
- Ability to work both independently and as part of a team, in a dynamic environment
- High level of professional integrity
- Proficiency in English (both written and spoken)
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 shortlisted candidates will be contacted.
CETIN d.o.o. Beograd
CETIN je član CETIN International-a, vodećeg veleprodajnog provajdera usluga aktivne i pasivne telekomunikacione infrastrukture u centralnoj i istočnoj Evropi, koji posluje u Slovačkoj, Mađarskoj, Srbiji i Bugarskoj. CETIN upravlja telekomunikacionim portfoliom visokog kvaliteta koji obuhvata kompletnu infrastrukturu mobilne mreže širom Srbije, optičku i bežičnu mrežu, agregacione mreže i data centre. Pokrivenost naše mreže na nivou cele države kao i veliko iskustvo omogućavaju nam da…
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