Logo Telonic GmbH

Security Analyst

Job

  • Level
    Experienced
  • Job Field
    IT, Security
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Cologne
  • Working Model
    Hybrid, Onsite
  • Job Summary

    In this role, you will handle security incidents, conduct threat analyses, and coordinate actions throughout the incident lifecycle while communicating closely with clients.

    Job Technologies

    Your role in the team

    • You take over confirmed security incidents end-to-end, conduct the complete threat analysis until completion, and serve as the primary contact for the customer, including independent coordination of all measures throughout the incident lifecycle.
    • You determine the entire scope of the attack (affected systems, attack vectors, activity status) and reconstruct timelines including lateral movement and IOC analysis based on EDR, SIEM, firewall logs, and other data sources.
    • You initiate containment measures within the scope of contractual authority or upon customer approval, oversee cleanup and recovery, and conduct in-depth forensic analyses for complex incidents (APT, Ransomware, Zero-Day), including malware, memory, persistence, and attack path analysis.
    • You document incidents in a structured manner (closure reports, forensic reports), conduct proactive threat hunting based on current threat intelligence regardless of incoming alerts, and derive new detection requirements including specific rule proposals.
    • You enhance the quality of the L1 team through runbooks, shadowing, and training, and support regular customer reports with well-founded situation assessments and concrete recommendations for action.

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    Our expectations of you

    Qualifications

    • Secure understanding of modern attack techniques, lateral movement, and complex attack chains based on MITRE ATT&CK.
    • Practical experience in the development, optimization, and continuous improvement of detection rules.
    • Strong communication skills in customer contact, a structured and documentation-driven work approach, as well as proficiency in German (negotiation level) and fluency in English, both spoken and written.

    Experience

    • Several years of experience in operational security analysis, ideally within a SOC or MSSP environment, combined with solid knowledge of SIEM platforms and EDR solutions.

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    What we offer

    • With us, you are not just an anonymous personnel number.
    • We foster an open 'Du' culture in our family-owned company and offer you the perfect balance through flexible remote work from home or at our Cologne headquarters.
    • Immerse yourself in high-end security and network solutions.
    • Together with your team, you manage top infrastructures at our clients.
    • Stay at the forefront of technology.
    • We offer you tailored training programs at the cutting edge, as well as short decision-making processes, flat hierarchies, and maximum agility for your ideas.
    • Look forward to a work environment characterized by trust, support, and genuine team spirit.
    • At Telonic, you take responsibility and actively shape the digital world of tomorrow.

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    Topics that you deal with on the job

    Job Locations

    • Location Cologne

      Nordrhein-Westfalen

      Germany

    This is your employer

    Telonic GmbH

    Telonic GmbH

    Telonic GmbH ist eines der führenden Systemhäuser in Deutschland für Leistungen rund um die IT-Infrastruktur.

    Description

  • Company Size
    50-249 Employees
  • Company Type
    Established Company
  • Working Model
    Hybrid, Onsite
  • Industry
    Trade
  • Logo Telonic GmbH

    Security Analyst

    Location
    Cologne
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders

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