Level: Senior

Job Field: IT, Network, Security

Employment Type: Full Time

Contract Type: Permanent employment

Salary: from 3.396 € Gross/Month

Location: Vienna

Working Model: Onsite

Job Summary

In this role, you will plan, implement, and operate enterprise-wide networks, manage security solutions, and optimize network performance using modern technologies and automation.

Job Technologies

Your role in the team

Planning, implementation, and ongoing operation of enterprise-wide network infrastructures (LAN, WAN, and secure remote access solutions) to ensure high availability and optimal performance at all locations.
Ensuring network security, compliance, and governance through the deployment and management of firewalls, VPNs, secure application gateways, and intrusion prevention systems.
Continuous monitoring of network infrastructure, analysis of disruptions, and troubleshooting including root cause analysis to sustainably reduce downtime.
Creation, updating, and maintenance of technical documentation, network diagrams, configuration guidelines, and operational processes to ensure transparency, consistency, and auditability.
Close collaboration with cross-functional IT teams (e.g., Operations, Cybersecurity, Applications) to support and integrate ongoing and new initiatives.
Evaluation, recommendation, and implementation of modern network technologies and architectures (e.g., SD-WAN, Zero-Trust models, network automation) to promote innovation and continuous optimization.
Active performance and capacity management, including proactive monitoring, tuning, and lifecycle management of the deployed network components.
Configuration and administration of routers, switches, firewalls, and secure gateways to ensure stable operations and consistent security policies.
Implementation of automation and orchestration concepts as well as policy-based configurations to increase efficiency and minimize manual activities.
Support in incident response and change management processes with a focus on service orientation, quick response times, and high user satisfaction.
Proactive operation and support of the network infrastructure to prevent disruptions and ensure an excellent user experience.

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Our expectations of you

Education

Completed IT training (apprenticeship, technical college, university of applied sciences) or a comparable qualification.

Qualifications

Solid knowledge of common network protocols and technologies such as TCP/IP, DNS, DHCP, VLANs, and routing protocols.
Knowledge in the areas of SD-WAN, wireless technologies, and network automation.
Network certifications such as Cisco CCNA, CCNP, or CCIE are highly welcome. Certifications from Palo Alto (e.g., PCNSA, PCNSE) as well as Azure certifications (e.g., AZ-700) are an additional advantage.
Willingness to occasionally support patches, updates, or rollouts outside regular working hours (evenings/weekends).
Proficiency in German, both spoken and written, as well as good command of English, both spoken and written; Spanish skills are a plus.

Experience

At least 5 years of relevant professional experience in network design, implementation, and operation in enterprise environments.
Proven experience with network security solutions, particularly Palo Alto firewalls, VPNs, Intrusion Detection/Prevention Systems (IDS/IPS), as well as Secure Application Gateways.
Practical experience in configuring and managing networks in Microsoft Azure, including Virtual Networks, Network Security Groups, Azure Firewall, as well as hybrid connections (e.g., VPN Gateway, ExpressRoute).
Familiarity with Microsoft and Linux server environments as well as practical experience with VMware technologies (e.g., vSphere, ESXi, vCenter).
Strong analytical skills as well as experience in structured root cause analysis and sustainable problem solving.