Information Security Administrator – Mid-Level Linux

• Configure, administer, and maintain security policies in Linux environments, ensuring system protection and compliance with institutional guidelines.
• Manage access controls, file permissions, groups, and user privileges on Linux servers and workstations.
• Configure, administer, and monitor firewall rules and other protection mechanisms for the Linux infrastructure.
• Monitor and analyze event and audit logs to identify suspicious activity, anomalous behavior, and potential security incidents.
• Apply patches, security updates, and fixes to Linux operating systems.
• Implement hardening practices on Linux servers and workstations.
• Conduct periodic assessments of security configurations, permissions, and access privileges.
• Perform vulnerability scans on Linux servers, services, and workstations, supporting remediation efforts and risk mitigation.
• Support security audit processes by verifying adherence to internal policies, standards, and regulatory requirements.
• Assess the use of privileged accounts and segregation of duties.
• Collaborate on the investigation and handling of security incidents related to Linux environments, supporting root cause analysis and preventive actions.
• Implement and administer encryption solutions to protect sensitive data, including LUKS and equivalent mechanisms.
• Prepare and maintain technical documentation related to security configurations, operating procedures, and infrastructure protection standards.
• Support the implementation of security controls focused on the availability, integrity, and confidentiality of information.
• Work jointly with infrastructure, development, and security teams to implement improvements and ensure the compliance of Linux environments.
• Contribute to the continuous improvement of information security processes, tools, and controls.
• Provide operational support analysis and monitoring services in accordance with the client's standards and processes.

• Bachelor's degree in Information Technology or a related field.
• At least 3 (three) years of experience in the stated specialty, in critical, high-availability corporate environments.
• Experience must be substantiated through records in the Brazilian Work and Social Security Card (Carteira de Trabalho e Previdência Social) or a statement from a public or private institution where the candidate has worked.
• ITIL 4 training, with a minimum duration of 12 (twelve) hours.
• Official ITIL 4 Foundation certification or higher.
• Obtain the Linux Professional Institute Security Essentials certification within 3 (three) months of starting the position.
• Obtain Linux Professional Institute LPIC-1 or Linux Professional Institute LPIC-2 certification within 3 (three) months of starting the position.
• Experience administering Linux environments with a focus on information security, hardening, access management, log analysis, patching, vulnerability management, firewalls, auditing, and data encryption.
• Knowledge of information security standards and best practices is a plus.

• Hapvida, Bradesco, or Unimed health insurance (available according to region)
• Hapvida Odonto or Bradesco Dental insurance
• Meal or food allowance
• Life insurance fully paid by Lanlink
• Transportation allowance
• Gympass
• Auster
• Pharmacy benefit
• Partner college and university discounts
• Corporate Education Platform
• Welcome-to-the-World Baby Kit
• Moodar Platform