Senior Cyber Security Specialist

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.

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 short-listed candidates will be contacted