Infrastructure officer II

Vacancy Announcement: Medior Infrastructure Officer – Hybrid Cloud & Networking

**Location:** Rijeka, Croatia

**Department:** Global IT Operations & Infrastructure

**Reports to:** Manager Global IT Operations & Infrastructure

**Job Type:** Full-time On-site

About the Role

We are seeking a proactive and skilled Medior Infrastructure Officer to join our Rijeka team. This role is pivotal in ensuring the stability, security, and performance of IT systems across a dynamic hybrid cloud environment. You will be responsible for monitoring, patching, system management, and networking operations to support business continuity and compliance with internal and external standards.

Key Responsibilities

· Monitor infrastructure health across on-prem and cloud environments.

Analyze performance metrics and proactively address bottlenecks.

· Maintain system documentation and ensure accurate logging of activities.

· Coordinate and execute patching schedules for servers, endpoints, and network devices.

· Ensure compliance with security baselines and update policies.

· Collaborate with security teams to validate patch effectiveness and risk mitigation.

· Manage virtual and physical servers, storage, and network components.

· Configure and maintain switches, firewalls, routers, and VPNs.

· Support backup, disaster recovery, and failover strategies.

· Implement changes and upgrades in line with ITIL and Kanban methodologies.

· Work closely with IT Operations, Security, and Application management teams.

· Provide 2nd line support and resolve infrastructure and network-related incidents.

· Participate in infrastructure-related projects

Qualifications

**Education & Certification**

· master degree in IT or related field.

· Microsoft certifications (e.g., MCSA, Azure Fundamentals) preferred.

· Networking certifications (e.g., CompTIA Network+, Cisco CCNA) are a plus.

· Familiarity with ITIL, Kanban, and hybrid cloud principles.

**Experience**

· 3–5 years in infrastructure or system/network administration roles.

· Proven experience with patching, monitoring, and system lifecycle management.

**Technical Skills**

· Proficiency in Windows Server, Active Directory, and virtualization platforms.

· Experience with monitoring tools (e.g., Azure Monitor, SCCM, Tanium).

· Strong understanding of networking technologies (e.g., VLANs, TCP/IP, DNS, DHCP).

· Experience with firewall management, VPN configuration, and network troubleshooting.

· Familiarity with hybrid cloud architecture and automation (e.g., PowerShell, Terraform).

**Soft Skills**

· Strong analytical and communication skills.

· Ability to work independently and in cross-functional teams.

· Fluent in English and Croatian.

KPIs & Deliverables

· High system and network uptime and performance.

· Timely and compliant patching across environments.

Documented infrastructure and network changes and incident resolutions.

· Contribution to infrastructure and network optimization and cost control.

R0006957