Telonic GmbH | Germany | 50xxx, 51xxx Köln | Permanent position | Full time / Home office | Published since: 25.07.2026 on stepstone.de
Security Analyst (m/f/d)
Who we are: Telonic GmbH Secure networks, analyze threats, rethink digital infrastructures: Since 1979, Telonic GmbH has been one of the leading independent system houses for IT security and network technology in Germany. With a clear focus on network, security and analytics, we design, implement and manage high-end solutions for well-known companies that value us as a reliable partner at eye level. As a family-run owner in the second generation, we focus on healthy, sustainable growth. Today work approx. 200 experts in Telonic GmbH – and we continue to grow. We see ourselves as the “Manufacture of the Digital Future” – a strong team in which visionary minds, technology enthusiasts and organizational talents get the freedom to really move things. For our Cyber Security Team at the Cologne site, we are looking for a Security Analyst (m/w/d)
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Your tasks • Your profile • What we offer
Responsibility & Ownership: You take confirmed Security Incidents end-to-end, perform the complete threat analysis to the end and are primary contact for the customer, including independent coordination of all measures in the incident lifecycle Analysis & Visibility: You determine the entire attack dimension (affected systems, attack paths, activity status) and reconstruct timelines including Lateral Movement and IOC analysis based on EDR, SIEM, firewall logs and other data sources. Response & Forensics: You introduce containment measures in the context of contractual powers or after customer release, accompany cleaning and recovery and perform deep forensic analyses in complex incidents (APT, ransomware, zero-day) (malware, memory, persistence, attack path) Documentation & Detection: You document Incidents structured (final reports, forensic reports), run proactive Threat Hunting on the basis of current Threat Intelligence independently of incoming alerts and launch new detection requirements including specific rules Enablement & Reporting: You strengthen the quality of the L1 team by runningbooks, shadowing and training, and support regular customer reports with sound position assessment and concrete action recommendations
Experience & Expertise: Multiannual experience in operational security analysis, ideally in the SOC or MSSP environment, combined with sound knowledge in SIEM platforms and EDR solutions Attack Understanding & Frameworks: Secure understanding of modern attack techniques, Lateral Movement and complex attack chains based on MITRE ATT&CK Forensik & Threat Hunting: Experience in digital forensics (memory, malware analysis, artifact evaluation) as well as Threat Hunting and dealing with Threat intelligence platforms and feeds Detection & Engineering: Practice in the development, optimization and continuous improvement of Detection Rules Communication & mode of operation: Imprinted communication strength in customer contact, structured and document-driven mode of operation as well as German reliable and English fluent in word and writing
Humanity & Flexibility: With us you are not an anonymous staff number. We live an open duz culture in the family business and offer you the perfect balance through mobile work at home office or Cologne headquarters. Technology of tomorrow: dive into high-end security and network solutions. Together with your team, you enter top infrastructures with our customers. Knowledge advantage & leg freedom: stay technologically far ahead. We offer tailored training at the heart of time as well as short decision-making, flat hierarchies and maximum agility for your ideas. Strong Team & Sinnstiftung: Look forward to a working atmosphere characterized by trust, retention and real team spirit. At Telonic you take responsibility and actively shape the digital world of tomorrow. .
Location
![]() | Telonic GmbH | |
| 51147 Köln | ||
| Germany |
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