Especialista em Remediação de Infraestrutura – Windows/Linux – Sênior

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Especialista em Remediação de Infraestrutura – Windows/Linux – Sênior based in Brazil .

This is a senior infrastructure security role focused on protecting and strengthening critical technology environments through advanced vulnerability remediation. The professional will be responsible for executing technical improvements across Windows and Linux platforms, ensuring systems remain secure, stable, and compliant. Working in a remote environment, you will collaborate with infrastructure, security, and operations teams to address complex technical challenges. The role requires strong expertise in patch management, system administration, and troubleshooting within high-impact environments. You will contribute directly to reducing security risks by applying best practices in hardening, updates, and infrastructure maintenance. This opportunity is ideal for an experienced technology professional who enjoys solving complex problems and driving operational excellence.

Accountabilities:: The role focuses on executing infrastructure remediation activities, improving security posture, and ensuring the reliability of enterprise environments. The professional will collaborate with technical teams to implement solutions, validate changes, and support continuous improvement initiatives.

Execute vulnerability remediation activities across Windows and Linux environments, applying security patches, updates, and infrastructure improvements.

Perform system hardening according to corporate security standards and recommended practices.

Manage maintenance windows, ensuring controlled execution of infrastructure updates.

Conduct advanced troubleshooting after patching activities and perform rollback procedures when required.

Validate system services and application availability after updates and remediation actions.

Support technical validations, testing processes, and infrastructure homologation activities.

Document execution evidence, procedures, and remediation results.

Collaborate with vulnerability management teams to prioritize and resolve security findings.

Support emergency remediation activities in critical environments.

Requirements:

The ideal candidate should have strong experience in enterprise infrastructure administration, security remediation, and operational support. This role requires technical expertise, analytical thinking, and the ability to work independently in complex environments.

Minimum of 5 years of experience in Systems Administration.

Advanced knowledge of Linux Enterprise administration.

Strong experience managing Windows Server environments.

Experience with Active Directory administration.

Knowledge of VMware and Hyper-V virtualization technologies.

Experience with WSUS, MECM/SCCM, or Intune.

Proficiency in PowerShell and Bash scripting.

Hands-on experience with Patch Management processes.

Advanced troubleshooting skills and experience supporting critical environments.

Ability to apply security patches, perform hardening activities, and manage infrastructure updates.

Familiarity with security standards, documentation practices, and operational procedures.

Professional certifications such as RHCSA/RHCE, Microsoft certifications, or VMware VCP are considered a plus.

Knowledge of automation tools such as Ansible, Puppet, or Terraform is a differentiator.

Additional experience with storage and corporate backup solutions is valuable.

Benefits:

Remote work model with flexibility.

Meal or food allowance.

Discounts on courses, universities, and language institutions.

Access to a corporate learning platform with free online courses and certifications.

Mentoring opportunities for professional development.

Health insurance.

Dental insurance.

Benefits program with discounts at partner establishments.

Access to healthcare consultation and exam benefits.

Travel benefits program.

Pet care benefits.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1