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Alexei ChalyginAC

Alexei Chalygin

Cybersecurity Engineer | SOC | Cloud | Audit

€750/day
Lyon, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexei

My professional background has allowed me to acquire both technical and functional skills in the field of cybersecurity:
- Audit and hardening of traditional information systems (IT) or industrial IT networks (OT)
- SOC from A to Z: design, implementation, scaling, RUN; cyber incident response
- Integration, configuration, management of cybersecurity solutions: EDR/XDR, SIEM, PAM, CASB, etc.
- Cybersecurity Governance: strategy, master plan; documentation corpus, etc.

Rigorous and motivated, I am committed to carrying out my missions in a pragmatic and effective way, while relying on my expertise.
  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Lyon (up to 50km), Genève (up to 15km), Grenoble (up to 15km), Chambéry (up to 15km), Annecy (up to 10km)

Experience

  • Alesten
    Cybersecurity Engineer
    ENTERTAINMENT AND LEISURE
    June 2024 - Today (2 years)
    Lyon, France
    Client: a major player in the leisure industry

    Missions:
    - Cybersecurity roadmap management; Cyber team supervision
    - Hardening of IT architectures and processes: Active Directory, network, access, permissions, etc.
    - Integration and configuration of cybersecurity solutions: PAM, SIEM, IAM, etc.
    CISO Elasticsearch Wallix Microsoft Azure SIEM
  • Jacquet Metals
    Senior Cybersecurity Engineer
    RAW MATERIALS INDUSTRY
    June 2021 - May 2024 (3 years)
    Lyon, France
    Missions:
    - Supervise the Group's Cyber-security team: tasks, planning, workload, etc.
    - Support the DRSI and the CIO in developing cybersecurity roadmaps
    - Evaluate infrastructure security through internal audits on traditional information systems (IT) or industrial IT networks (OT)
    - Manage projects: operational and/or technical referent
    - Implement security measures
    - Communicate and train on the Group's cyber-security standards
    Audit Microsoft Defender Trend Micro Azure Sentinel Incident Response
  • Sopra Steria
    Cybersecurity Engineer
    DIGITAL AND IT
    January 2020 - June 2021 (1 year and 5 months)
    Lyon, France
    Missions:
    - Bring new perimeters under cyber surveillance: infrastructure, endpoints, business applications, cloud environments
    - Improve and develop SIEM tools: detection and investigation capabilities, performance, alert aggregation and prioritization, collection monitoring, etc.
    - Enrich the repository of security policies and procedures (e.g., logging, surveillance)
    - Scale up the SOC team on the detection and handling of cyber incidents
    SOC SIEM Splunk Project Management Team Management

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Education

  • Master 2 Computer Science / Organization and protection of information systems in companies
    Université Lumière Lyon 2
    2017
  • Master 2 Computer Science / Integrated security of information for automated systems
    Volgograd State University
    2011

Skill set (40)

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