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Certificate Management Specialist (m/f/d)

ID de Puesto
507727
Publicado desde
26-Mayo-2026
Ámbito de trabajo
Information Technology
Empresa
SIEMENS HEALTHCARE, UNIPESSOAL, LDA
Nivel de experiencia
Profesional Experimentado
Tipo de jornada
Jornada completa
Modalidad de trabajo
Híbrido (remoto/oficina)
Tipo de contrato
Indefinido
Ubicación(es)
  • Lisboa - Lisboa - Portugal
  • Porto - Oporto - Portugal
Do you want to join us in helping to fight the world's most threatening diseases and enabling access to care for more people around the world? At Siemens Healthineers, we pioneer breakthroughs in healthcare. For everyone. Everywhere. Sustainably. 
We offer you a flexible and dynamic environment with opportunities to go beyond your comfort zone in order to grow personally and professionally. Sound interesting?

Then come and join our global team as Certificate Management Specialist.  

Job Summary:

We are seeking a highly skilled and experienced Certificate Management Specialist to join our Hybrid Cloud Security team. The candidate will be responsible for managing TLS and Code Signing certificates, including lifecycle management and troubleshooting, key management in Key Management System solutions and support building a key management service, helping users to use their own key in different applications. This position requires a proactive individual with strong soft skills and the ability to handle and solve certificate issues with minimal disruption to business operations.
 
Task and Responsibilities:
  • Operate and maintain Enterprise Certificate Authorities (CAs) and Public Key Infrastructure (PKI).
  • Manage TLS certificates, including issuance, renewal, revocation, troubleshooting, and lifecycle automation.
  • Provide code signing certificates for applications, platforms, and infrastructure components.
  • Ensure compliance with cryptographic standards and best practices (e.g. lifespan, key sizes, algorithms).
  • Design, operate and enhance a centralized Key Management System (KMS) to manage encryption keys used by sensitive business applications.
  • Define and maintain secure key isolation architectures, ensuring compliance with internal security policies and regulatory requirements.
  • Support and operate Bring Your Own Key (BYOK) services and external key integration scenarios across cloud and on‑prem environments.
  • Ensure proper key lifecycle management (generation, rotation, backup, revocation, and destruction).
  • Collaborate with application and infrastructure teams to securely integrate encryption and certificate services.
  • Troubleshoot cryptographic issues, certificate failures, and trust‑chain problems across complex environments.

Our global team:  

We are a team of more than 70,000 highly dedicated employees across more than 70 countries passionately pushing the boundaries of what’s possible in healthcare to help improve people’s lives around the world. As a leader in the industry, we aspire to create better outcomes and experiences for patients no matter where they live or what health issues they are facing. Our portfolio, spanning from in-vitro and in-vivo diagnostics to image-guided therapy and innovative cancer care, is crucial for clinical decision-making and treatment pathways. 

Our culture: 

We are part of an incredible community of scientists, clinicians, developers, researchers, professionals, and skilled specialists pushing the boundaries of what’s possible, to improve people’s lives around the world. We embrace a culture of inclusivity in which the power and potential of every individual can be unleashed. We spark ideas that lead to positive impact and continued success. 


As an equal opportunity employer, we welcome applications from individuals with disabilities. 


We care about your data privacy and take compliance with GDPR as well as other data protection legislation seriously. For this reason, we ask you not to send us your CV or resume by email. We ask instead that you create a profile in our talent community where you can upload your CV. Setting up a profile lets us know you are interested in career opportunities with us and makes it easy for us to send you an alert when relevant positions become open. Click here to get started.