Description
Job Summary:
We are seeking a professional with solid experience in Infrastructure, Networking, and Information Security to architect, administer, and sustain hybrid environments—with emphasis on high availability and governance.
Key Highlights:
1. End-to-end management of corporate networks and hybrid environments (On-Premises and Azure)
2. Focus on high availability, resilience, performance, and governance
3. Leadership in continuous improvement initiatives and Level 3 (N3) support
We seek a professional with solid experience in Infrastructure, Networking, and Information Security, responsible for architecture, administration, and sustainment of hybrid environments (On\-Premises and Microsoft Azure), with focus on high availability, resilience, performance, and governance.
Responsible for end-to-end corporate network management, including advanced configuration of L2/L3 switches, access points, VLAN segmentation, firewall policies, NAT rules, VPNs, and traffic control. Practical experience with structured cabling and troubleshooting in critical environments.
Responsibilities
* Administer and sustain hybrid environments (On\-Premises and Cloud – Azure).
* Manage network infrastructure (L2/L3 switches, VLANs, access points, firewalls, VPNs, NAT, and security policies).
* Monitor critical environments to ensure high availability and performance.
* Administer Windows Server systems (AD DS, GPO, DNS, DHCP, File Server, WSUS).
* Manage virtualized environments (Hyper\-V).
* Administer Microsoft 365 (Exchange Online, Teams, SharePoint, Intune) and Azure AD/Entra ID.
* Implement and renew SSL certificates on IIS and Nginx servers.
* Manage backups and disaster recovery (DR) plans.
* Apply security hardening and information security policies.
* Analyze logs, events, and vulnerabilities (SIEM/Wazuh is a plus).
* Lead continuous improvement projects and support compliance audits.
* Provide Level 3 (N3) support and resolve critical incidents.
**Technical Requirements**
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* Solid experience in corporate infrastructure and networking.
* Advanced administration of Windows Server.
* Knowledge of Microsoft Azure (VMs, virtual networks, RBAC, monitoring).
* Experience with firewalls and network segmentation.
* Knowledge of virtualization (Hyper\-V).
* Experience with Linux environments.
* Knowledge of SQL Server (installation, configuration, and troubleshooting).
* Experience with monitoring and backup tools.
**Preferred Qualifications**
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* Microsoft certifications (Azure, Windows Server, or Security).
* Experience with SIEM (Wazuh or similar).
* Knowledge of security frameworks (ISO 27001, NIST).
* Experience in high-availability environments and IT governance.
**Education**
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* Bachelor's degree in Information Technology, Networking, Systems, or related fields.
**Behavioral Competencies**
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* Analytical ability and strategic vision.
* Technical leadership.
* Proactivity and sense of urgency.
* Focus on security, governance, and continuous improvement.
### **Employment Type:**
Contractor (PJ)
### **Department:**
Outsourcing