Technical Lead - Network Infrastructure & Security

Yas Networks; Österreich; On-site; EUR 90,000 - 120,000; Full time

Job summary

YAS Networks is seeking a hands-on Technical Lead to own engineering delivery and operational quality across customer network and security environments. You will lead engineers and technicians, make sound technical decisions, and remain directly involved in complex troubleshooting, designs, migrations, and production changes.

You will coordinate with operations and project management to turn customer requirements into clear engineering plans, assign work, and verify results.

Qualifications

• 7+ years hands-on enterprise network engineering and delivery leadership.
• Strong Cisco Catalyst and Nexus with OSPF, BGP, VLANs, VRFs, STP, LACP, and resilient campus/data center designs.
• Production experience with Cisco Secure Firewall FTD and FMC or cloud-delivered management: access policies, NAT order, VPNs, HA, upgrades, packet captures, and fault isolation.
• Working knowledge of enterprise wireless and network access control, including 802.1X, RADIUS, certificate-based authentication, and guest access.
• Ability to trace an application path across DNS, DHCP relay, routing, firewalls, NAT, and VPNs using packet captures, logs, counters, and structured testing.
• Evidence of leading complex migrations and incidents, delegating effectively, reviewing other engineers’ work, and communicating clearly with technical teams and customer leadership.
• Experience using network monitoring and logs to investigate service health, alongside strong documentation and change management habits.
• Ability to support scheduled maintenance windows, participate in an agreed escalation rotation, and attend customer sites as required.

Responsibilities

• Own technical delivery for assigned customer environments; prioritize risks and track dependencies.
• Mentor engineers and technicians; conduct design reviews, establish technical standards, runbooks, and backups.
• Lead architecture/implementation across campus, data center, WAN, wireless, and segmentation; produce designs and rollout plans.
• Own firewall policy, NAT, VPNs, high availability, and network access control; review security changes for impacts.
• Lead major network incidents; coordinate TAC and provide customer updates; restore service and document root cause.
• Own technical readiness reviews and go/no-go decisions; ensure backups, approvals, and rollback readiness.
• Maintain diagrams, inventories, backups, and monitoring; track certificate expiry and lifecycle; automate repeatable tasks.
• Lead customer discussions; explain risks and options; support scope changes with project management.

Skills

Technical leadership

Network troubleshooting

Documentation

Communication

Project coordination

Tools

Cisco Catalyst/Nexus

Cisco Secure Firewall FTD/FMC

802.1X

NAC & VPN technologies

Packet capture tools

Splunk/log analysis

Python automation

Ansible

Job description

YAS Networks is seeking a hands-on Technical Lead to own engineering delivery and operational quality across customer network and security environments. You will lead engineers and technicians, make sound technical decisions, and remain directly involved in complex troubleshooting, designs, migrations, and production changes.

You will coordinate with operations and project management to turn customer requirements into clear engineering plans, assign work, and verify results.