Security Engineer - Paris / Lyon / Cracow

LumApps
Louisiana, Paris, Krakow
Workplace: HybridFull timeFunction: CybersecuritySkills: ["Troubleshooting","Incident coordination","Security automation","Secure coding collaboration","Knowledge sharing"]

Own and improve the organization’s security detection stack by triaging and investigating security events from GuardDuty, Sysdig, and WAF telemetry. Perform active troubleshooting with log analysis and direct cluster interaction using kubectl and gcloud. Tune detection logic to reduce false positives, automate operational tasks with Python or Bash, and drive remediation of GitHub Advanced Security findings with code-level fixes and configuration-as-code. Support security reviews, incidents, and AI/LLM security best practices.

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FursaFursa
LumApps
LumApps
7 months ago

Security Engineer - Paris / Lyon / Cracow

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 18 hours agoStatus: Live

Job Summary

Own and improve the organization’s security detection stack by triaging and investigating security events from GuardDuty, Sysdig, and WAF telemetry. Perform active troubleshooting with log analysis and direct cluster interaction using kubectl and gcloud. Tune detection logic to reduce false positives, automate operational tasks with Python or Bash, and drive remediation of GitHub Advanced Security findings with code-level fixes and configuration-as-code. Support security reviews, incidents, and AI/LLM security best practices.
Location: Louisiana, Paris, Krakow
Workplace: Hybrid
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Proactively engineer and optimize the security detection stack by triaging and investigating events from GuardDuty, Sysdig, and WAF telemetry.
  • •Tune detection logic to reduce false positives and develop automation scripts in Python or Bash to eliminate manual operational tasks.
  • •Remediate GitHub Advanced Security findings by working with developers on actionable code-level fixes and ensuring security configurations are managed as code.
  • •Maintain and monitor automated DAST, SAST, and SCA setups; triage findings and coordinate with engineering teams to resolve vulnerabilities within SLAs.
  • •Support security reviews and incident processes, including internal penetration testing and risk assessments, and apply AI/LLM security best practices.

Pay and Benefits

Perks:Meal VouchersHealth InsuranceLife InsuranceDisability CoverRemote WorkLearning BudgetHome OfficePaid Leave

Key Requirements

  • •3+ years of professional experience in application and/or cloud security.
  • •Ability to analyze WAF traffic and cloud telemetry (e.g., GuardDuty, Sysdig) to identify attack patterns and tune for false positives.
  • •Hands-on experience applying and auditing security best practices in AWS/GCP, Kubernetes, and containerized infrastructure.
  • •Strong application and API security knowledge (e.g., OWASP Top 10, OWASP API Top 10).
  • •Practical experience reading Python and/or Java and integrating SAST/DAST/SCA into CI/CD pipelines.
Skills:TroubleshootingIncident coordinationSecurity automationSecure coding collaborationKnowledge sharing
Tech Stack:GuardDutySysdigWAFKubectlGcloudPythonBashGitHub Advanced SecurityAWSGCPKubernetesDASTSASTSCACI/CDOWASP Top 10OWASP API Top 10TCP/IPDNSGitHub

Company Brief

LumApps
Provides a mobile-first employee communication and engagement platform connecting deskless and frontline workers with company news, shift management, workflows, and collaboration tools to improve internal communication and operational efficiency.
Industry: HR Tech
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Headquarters: Zurich, Switzerland
Founded: 2012
Website