Senior Security Engineer – EDR/ Harfanglab (H/F)

Thales
France
Workplace: HybridFull timeFunction: CybersecuritySkills: ["Curiosity","Collaboration","Passion for cybersecurity"]

Join the CSOC team to improve 24/7 cyber detection and incident response for clients. You’ll serve as the HarfangLab detection referent, supporting deployment, tuning, rule matrices, and commercial project contributions. You’ll also evolve SOC detection strategy using MITRE ATT&CK, optimize SIEM detection capabilities, automate detection methods, and help clients continuously improve supervision—plus contribute to AI-enabled innovation and demonstrations.

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FursaFursa
Thales
Thales
1 month ago

Senior Security Engineer – EDR/ Harfanglab (H/F)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 19 hours agoStatus: Live

Job Summary

Join the CSOC team to improve 24/7 cyber detection and incident response for clients. You’ll serve as the HarfangLab detection referent, supporting deployment, tuning, rule matrices, and commercial project contributions. You’ll also evolve SOC detection strategy using MITRE ATT&CK, optimize SIEM detection capabilities, automate detection methods, and help clients continuously improve supervision—plus contribute to AI-enabled innovation and demonstrations.
Location: France
Workplace: Hybrid
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Act as HarfangLab detection referent: support skill growth, deploy/tune/evolve detection capabilities, maintain detection matrices, and provide expertise for proposals and commercial projects.
  • •Evolve SOC detection strategy, coverage, and detection rules using MITRE ATT&CK.
  • •Deploy and optimize client SIEM detection capabilities and support continuous improvement of client supervision.
  • •Automate and industrialize detection methods and tools.
  • •Contribute to innovation (including AI), and prepare client presentations and demos.

Key Requirements

  • •At least 3 years of experience in security incident detection.
  • •Strong proficiency with HarfangLab (rule implementation/modification, use-case/reflex-sheet writing, alert handling, investigations on true-positive tickets).
  • •Interest in automation and Artificial Intelligence for detection use cases.
  • •A solid foundation in cybersecurity threats (including cybercriminal and state threats) and cyber defense.
  • •Fluent/strong practical skills with GitLab and Python/Bash and/or a SANS certification are a plus.
Skills:CuriosityCollaborationPassion for cybersecurity
Certifications:SANS
Languages:English
Tech Stack:HarfangLabEDRSIEMSplunkMS SentinelChronicleSekoiaSOARXSOARGitLabPythonBashMITRE ATT&CKIntelligence ArtificielleIA

Company Brief

Thales
Designs and delivers advanced systems and services for aerospace, defence, security, and digital identity and cybersecurity markets, serving government and commercial customers worldwide.
Industry: Defense Technology
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Paris, France
Founded: 2000
WebsiteLinkedIn