Senior SIEM/SOC Engineer

Deutsche Telekom IT Solutions Slovakia

2d • Remote

About The Position

Deutsche Telekom IT Solutions Slovakia, operating as T-Systems Slovakia since 2006, is a significant IT employer in the Košice region and a founding member of Košice IT Valley. With over 3900 employees, the company focuses on innovative information and communication technology services. Within Deutsche Telekom Systems Solutions Slovakia, Operational Services GmbH provides opportunities for IT infrastructure experts. OS is a leading ICT service provider in the German market, driving digitalization for medium-sized companies. With nearly 1,000 specialists, OS designs, operates, and supports modern IT systems, ensuring service continuity and business process availability. This role involves the development of use cases and detection rules for SIEM/SOC, conception and design of detection strategies, collaboration with the SOC for validation, refinement of existing rules, creation of dashboards and reports, and contribution to knowledge sharing and process development.

Requirements

• 2–5 years of professional experience in SIEM/SOC, IT security, or threat detection.
• Familiarity with frameworks like MITRE ATT&CK, Cyber Kill Chain, and IOC-based detection.
• Knowledge of log data analysis, attack detection, SIEM, or security monitoring.
• Proficiency in at least one scripting, query, or programming language (e.g., Python, PowerShell, KQL, Lucene).
• Analytical thinking and problem-solving skills.
• Self-organization and a disciplined approach to documentation.
• Very good written and spoken English skills.

Nice To Haves

• Ideally, experience in developing detection use cases in Elastic SIEM, Palo Alto XSIAM, or comparable systems.
• German skills are a plus but not necessary.

Responsibilities

• Development of use cases and detection rules.
• Assisting in the conception and design of detection strategies.
• Collaboration with the SOC for use case validation and acceptance.
• Refinement and optimization of existing detection rules.
• Creating dashboards and reports for customers or the internal SOC.
• Contributing to internal knowledge sharing and process development.

Benefits

• Attractive and extensive work-life balance portfolio
• Over 25 different benefits to improve personal and professional life
• Financial benefits
• Benefits with focus on learning and development
• Benefits with focus on health and sport
• Benefits with focus on family and work – life balance
• Other benefits

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed