Germany Remote (Global) €86.000 - €115.000 EUR

Mattermost is hiring a Senior Security Engineer

About the Role

The role involves advancing the security posture of a secure collaboration platform through proactive threat detection, secure architecture design, and cross-functional collaboration with engineering teams.

Responsibilities

  • Lead the identification and remediation of security vulnerabilities in software systems
  • Design and implement secure software architectures and protocols
  • Conduct thorough security assessments and penetration testing
  • Collaborate with development teams to integrate security best practices
  • Develop and maintain security policies and compliance documentation
  • Respond to security incidents with clear mitigation and resolution steps
  • Evaluate third-party components for security risks and compliance
  • Support secure deployment practices across cloud and on-premises environments
  • Advocate for security improvements throughout the product lifecycle
  • Stay current with emerging threats, attack vectors, and defensive technologies
  • Mentor engineers on secure coding techniques and practices
  • Integrate automated security testing into CI/CD pipelines
  • Perform code reviews with a focus on security flaws
  • Assist in achieving and maintaining security certifications
  • Work closely with product management to align security with roadmap goals
  • Analyze logs and monitoring data to detect suspicious activity
  • Improve authentication and authorization mechanisms
  • Support secure API design and implementation
  • Evaluate cryptographic implementations for correctness and strength
  • Drive improvements in logging, alerting, and incident response workflows
  • Promote a culture of security awareness across the organization
  • Assess supply chain risks in software dependencies
  • Contribute to threat modeling for new features and services
  • Ensure secure handling of sensitive data at rest and in transit
  • Collaborate on disaster recovery and business continuity planning

Compensation

Competitive salary and benefits package

Work Arrangement

Remote with flexibility for global time zones

Team

Collaborative engineering team focused on building secure, open-source software

Why This Role Matters

  • Security is embedded in every layer of the platform, and this role directly influences how effectively threats are anticipated and neutralized.
  • You will help shape the trust users place in the system by ensuring confidentiality, integrity, and availability are maintained.

What We Value

  • Practical problem-solving over theoretical perfection.
  • Transparency in security practices and open communication of risks.
  • Continuous learning and sharing of security knowledge across teams.

Available for qualified candidates

About company
Mattermost
Mattermost builds the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. The platform enables secure, efficient operations for the world’s most critical teams and is trusted by governments, financial institutions, and technology companies.
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Job Details
Category security
Posted 3 hours ago