Cybersecurity Pki Systems Administrator H/F Ekkiden

International consulting group founded in 2019, Ekkiden fosters an ecosystem of passionate and committed consultants who lead organizational, operational, and technological transformation projects in IT/Digital, Industry/R&D, and Sustainability, for large enterprises and SMEs in France, Switzerland, Spain, and Germany.

About the job :
We are looking for a Cybersecurity PKI Systems Administrator to support the implementation, operation, and continuous improvement of PKI and cryptographic services within a complex enterprise environment. The role focuses on managing certificate lifecycles, protecting cryptographic assets, and ensuring secure authentication and identity integrations across hybrid infrastructures. Environment : PKI systems including Microsoft CA and EJBCA, Hardware Security Modules (HSMs), enterprise Identity Providers (IdPs), and public Certification Authorities. Technologies include SSO, MFA, federation protocols (SAML, OAuth2, OIDC), certificate automation (ACME), and scripting tools such as PowerShell and Python.
Responsibilities:

- Manage the full certificate lifecycle (issuance, renewal, revocation, auditing, and compliance tracking)
- Operate and maintain PKI environments across hybrid cloud and on-prem infrastructures
- Implement automation workflows for certificate management using ACME and scripting tools
- Manage and secure Hardware Security Modules (HSMs) and cryptographic keys
- Support secure integrations with Identity Providers, SSO, MFA, and federation protocols
- Develop automation scripts for certificate deployment, renewal, and reporting
- Support security operations in certificate-related incidents and investigations
- Maintain documentation and support internal and external security audits

What we are looking for:

- 5+ years of experience in cybersecurity, PKI, or cryptographic infrastructure management
- Strong knowledge of PKI systems such as Microsoft CA, EJBCA, and public Certification Authorities
- Solid understanding of certificate lifecycle management, CRLs/OCSP, and trust-chain validation
- Experience with identity federation protocols (SAML, OAuth2, OIDC) and MFA authentication models
- Hands-on experience with certificate automation protocols such as ACME
- Proficiency in scripting and automation (PowerShell, Python, Bash)
- Experience working with Hardware Security Modules (HSMs) and cryptographic key management
- Strong analytical mindset, communication skills, and ability to work autonomously
- Fluent in english

We offer:
Join us at the right time to make your mark in a fast-growing organization Various missions and projects that will allow you to have a real impact on the company The ability to work autonomously and to drive new initiatives A career path adapted to your personality, both in terms of role and location A strong culture, based on sharing, respect, ambition, and team spirit The opportunity to manage teams and develop your area of expertise by leading one of our squads Develop your management and leadership skills, because, at Ekkiden, consultants look after the careers of other consultants. Gone are the days when your career was driven by a salesman! Health insurance
What's the Recruitment Process Like at Ekkiden?

At Ekkiden, we're committed to providing a positive experience for every candidate.
Initial Call: Our recruitment team will reach out to discuss your motivations and expectations. Interviews: You'll have one or two interviews with our business managers, depending on the role you're applying for. Client Meeting: Finally, you'll have the opportunity to meet with the client.
While this is our standard process, we may make adjustments based on specific circumstances.

You can also find all our job offers on our website
https://jobs.ekkiden.com/