Systems Administrator – Security & Compliance

About the role

We are seeking a Systems Administrator focused on Security & Compliance to join our team in Lisbon or Porto. The role combines system administration with the implementation and monitoring of security and risk frameworks.

Key responsibilities

• Define and model IT and security‑related processes.
• Manage information security and IT risk frameworks based on ISO standards.
• Support risk management activities aligned with ISO 31000 and ISO 27005.
• Ensure secure usage and administration of Windows and Linux systems.
• Maintain digital certificate infrastructures, such as TLS certificates.
• Support compliance and security governance processes.
• Contribute to security controls implementation and operational monitoring.
• Collaborate with teams to enforce security policies and standards.

Required profile

• Relevant certifications (ISO 27001 Lead Implementer, CISSP, CISM or equivalent).
• Knowledge of risk management frameworks ISO 31000 and ISO 27005.
• 3‑5 years of professional experience in IT security, systems administration or risk management.
• Experience with Windows and Linux operating systems.
• Advanced proficiency with Microsoft Office tools.
• Experience in process definition and modeling.

Required skills

• Windows operating system administration.
• Linux operating system administration.
• TLS certificate management.
• Implementation of ISO 27001 security controls.
• Risk management using ISO 31000 and ISO 27005.
• Process modeling and definition.
• Microsoft Office suite.

What we offer

• Projects aligned with your skills, ambitions and preferred working policies.
• Competitive salary with additional benefits and income‑earning opportunities.
• Empowering and respectful work culture with social and learning events.
• Dedicated People Experience Partner to support career growth and work‑life balance.