Senior Infrastructure Engineer

We are looking for a Senior Infrastructure Engineer to provide on-site technical support for critical infrastructure
components. This professional will handle hands-on troubleshooting of network points servers firewalls
virtualization platforms and core services. The role supports a transitioning environment where services previously provided by a third-party company are being absorbed by the Allianz Technology team. This position requires strong technical autonomy solid communication skills and the ability to operate in a dynamic rapidly changing environment.

Key Responsibilities
Provide on-site support for network server and infrastructure incidents located on site.
Perform physical validation of network points and infrastructure components when required.
Manage and maintain Windows Server environments (2016 to 2025) across more than 100 servers.
Coordinate and execute monthly patching rollouts and deployments.
Support virtualization technologies in AWS and VMware.
Maintain a solid understanding of LAN and WAN concepts including VLANs and IP addressing without
requiring deep hands-on routing and switching expertise.
Administer firewall technologies including CheckPoint Fortinet and pfSense.
Configure and support Site-to-Site VPN solutions.
Manage Active Directory and LDAP users and groups.
Administer Microsoft IIS.
Provide Linux and UNIX system support.
Apply Group Policy configuration and design.
Maintain clear documentation and ensure strong communication with technical and non-technical
stakeholders.
Support the ATA team in service transition activities where legacy third-party services are being absorbed.
Act as an escalation point for complex issues requiring on-site presence.
Manage small to medium infrastructure projects with autonomy.

Knowledge Skills and Abilities
Advanced knowledge of Windows Server environments.
Strong understanding of LAN WAN routing switching VLANs and IP addressing.
Solid expertise with firewalls VPNs and network security.
Experience with virtualization in AWS and VMware.
Familiarity with IIS administration.
Linux knowledge is considered a plus (not a core requirement).
Strong communication collaboration and documentation skills.
Ability to work independently and adapt to rapidly changing environments.
Team-oriented mindset with a positive proactive attitude.

Experience Requirements
Professional experience managing large-scale Windows Server infrastructures.
Hands-on experience in network troubleshooting and on-site infrastructure support.
Experience with virtualization technologies (AWS and VMware).
Experience managing firewalls and VPNs.
Experience coordinating patching cycles and infrastructure upgrades.
Proven delivery experience in international or multi-region projects is required.

Education
Bachelors degree in Computer Science or related field preferred.

Preferred Certifications
Microsoft certifications (such as MCSE).
AWS VMware or related technical certifications.
ITIL Foundation.

Language Requirements
Advanced English for daily communication.
Basic Spanish is a plus.

Work Model
Hybrid on-site presence required twice a week.
Work location: ABC region (São Bernardo do Campo SP).