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Senior Security Automation Engineer

Celonis
Madrid, Spain
Full Time
Posted November 13, 2025
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Job Description

The Senior Security Automation Engineer at Celonis is responsible for integrating automated security practices into the software development lifecycle, including building security tools, automating security scans, and ensuring secure infrastructure and supply chain practices within a DevSecOps environment.

Key Responsibilities

  • Design, build, and enhance security components for Celonis applications and platforms.
  • Integrate automated security scans (SAST, DAST, SCA, container scanning) into CI/CD pipelines.
  • Develop and maintain security tooling and custom integrations using scripting languages like Python or Go.
  • Implement automated security checks and fail-fast deployment gates for high-severity vulnerabilities.
  • Automate security baseline checks for cloud resources and infrastructure as code deployments.
  • Implement and maintain Software Bill of Materials (SBOMs) and build signing processes to secure supply chains.
  • Collaborate with Cloud Security Engineers to address vulnerabilities and guide secure coding practices.
  • Research emerging threats and DevSecOps tooling to improve security automation and processes.

Requirements

  • Minimum of 5 years of experience in security engineering or DevSecOps, emphasizing security automation.
  • Proven expertise in integrating SAST, DAST, and SCA tools into CI/CD pipelines.
  • Strong proficiency in scripting languages such as Python, Go, or similar.
  • Experience using Git and following version control best practices.
  • Hands-on experience with container technologies including Docker and Kubernetes, and container security scanning tools such as Trivy and Aqua.
  • Proficiency with Infrastructure as Code frameworks like Terraform and CloudFormation.
  • Solid understanding of OWASP Top 10 vulnerabilities and best practices in application security.
  • Experience with security automation tools such as Snyk, Checkmarx, Semgrep, and Trivy, including developing custom integrations and scripts.
  • Experience with Infrastructure as Code security practices, including automating baseline security checks using tools like Checkov.
  • Experience implementing and maintaining Software Bill of Materials (SBOMs) using tools such as Syft or CycloneDX.
  • Experience establishing build signing and artifact verification processes using tools like Cosign and GPG.
  • Ability to collaborate closely with Cloud Security Engineers to address cloud application vulnerabilities and coordinate remediation.
  • Ability to provide security best practices and guidance to development teams on secure coding and secure CI/CD processes.
  • Knowledge of Security as Code and Policy as Code approaches, including tools like OPA and Conftest.
  • Excellent communication skills to articulate complex security issues to both technical and non-technical colleagues, including writing security documentation or standard operating procedures.

Benefits & Perks

generous PTO
hybrid working options
company equity RSUs
comprehensive benefits
extensive parental leave
dedicated volunteer days
access to resources such as gym subsidies, counseling, and well-being programs
clear career paths
internal mobility
dedicated learning program
mentorship opportunities

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