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Senior Security Architect & Infrastructure Security Specialist (m/f/d)

Contract
Strasbourg, France
21.05.2026
We are looking for an experienced Security Architect / Infrastructure Security Specialist to join an international cybersecurity team working on highly secure and critical environments.
This role combines architecture vision and hands-on infrastructure security, ensuring robust protection across systems, platforms, and network layers.

Responsibilities:
·  Design and implement security architecture and controls across infrastructure and platforms
·  Apply and maintain system hardening standards and secure configurations
·  Integrate security monitoring and logging into centralised SIEM solutions
·  Manage privileged access, secrets, and identity governance (IAM / PAM)
·  Oversee certificate lifecycle management (PKI / X.509) and secure network flows
·  Drive vulnerability management and support security testing & remediation activities

Qualifications and Skills:
·  Strong experience in infrastructure security and cybersecurity architecture (minimum 4 years)
·  Solid knowledge of IAM / PAM concepts and security best practices
·  Hands-on experience with SIEM tools (e.g. Splunk) and security monitoring
·  Good understanding of PKI environments, certificates and secure communications
·  Ability to work in complex, regulated or high-security environments
·  Strong analytical mindset with excellent communication and stakeholder interaction skills

Halian Group
With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.
Our resourcing and smart services help you to realize tomorrow’s potential. Discover the amazing things possible when you bring the right people and the right technologies together.
At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients. We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives. We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique. By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.

 

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