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L2 Security Specialist at Kyivstar | Kyiv, Ukraine

KyivstarKyiv, Ukraine
Hybrid Full-time

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Experience Level

Experience

Qualifications

Essential Qualifications:Advanced proficiency in operating systems (Windows, Unix/Linux);Experience in event log analysis;Familiarity with security software;Understanding of network protocols;Experience with security devices;Knowledge of SIEM tools;Basic database knowledge;Understanding of access management principles.

About the job

Kyivstar is seeking an L2 Security Specialist to join its Information Security Management Center in Kyiv. This senior SOC position centers on monitoring, analyzing, and responding to security events in a large enterprise environment.

What you will do

  • Monitor and analyze security incidents across Windows and Unix/Linux systems at both user and administrator levels
  • Review event logs and log files from multiple operating systems
  • Work with AntiVirus and EDR solutions to detect and respond to threats
  • Apply knowledge of the OSI model and TCP/IP protocols to security operations
  • Operate and configure network security devices, including firewalls, IDS/IPS, WAF, and proxies
  • Use SIEM platforms, with required experience in Microfocus ArcSight ESM
  • Understand the SMTP protocol and email system operations
  • Utilize basic Oracle database skills, including writing SQL queries
  • Apply principles of Access Management and Role-Based Access Control (RBAC)

What we look for

  • Technical English proficiency or higher
  • Strong sense of responsibility and clear communication skills
  • Keen attention to detail and a systematic, analytical approach
  • Motivation to learn and willingness to share knowledge with colleagues

Benefits

  • Inclusive culture that values individuality and a positive work experience
  • Flexible hours and a hybrid work model
  • Standard social benefits plus additional perks
  • Opportunities for career growth and personal development
  • Mental and emotional support programs for employees and families
  • Supportive onboarding from the first interaction

About Kyivstar

Kyivstar is a leading telecommunications provider in Ukraine, dedicated to creating an inclusive and engaging work environment that respects individual differences. We invest in our employees' growth and well-being, providing a range of benefits and opportunities for career advancement.

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