FullTime with Benefits

Head of Network Security (m/w/d)

SThree · Vienna

€110,000 – €140,000 a year · Full-time · Posted on 7 October 2026 · Open until 6 December 2026

Apply on the original siteOpen in FullTime with Benefits

Head of Network Security (m/f/x)

For a leading international organization operating a complex and highly secure IT environment, we are seeking an experienced Network Security professional to help shape and strengthen critical security services.

This opportunity is ideal for candidates with strong technical expertise in network and infrastructure security. Previous leadership experience is not strictly required. However, candidates who have led projects, mentored colleagues, or taken informal leadership responsibilities will be viewed favourably.

Your Responsibilities

Support the evolution and optimization of enterprise network security services

Work with technologies including Firewalls, VPN, WAF, Intrusion Prevention, DDoS Protection, and Privileged Access solutions

Contribute to the implementation of Zero Trust principles and modern access security concepts

Ensure secure, resilient, and highly available connectivity services

Participate in security transformation and infrastructure projects

Collaborate closely with Security, Infrastructure, Operations, and Architecture teams

Support incident response, problem management, and continuous improvement initiatives

Your Profile

Strong professional experience in Network Security, Cyber Security, or Infrastructure Security

Hands-on expertise with enterprise security technologies and connectivity solutions

Good understanding of Firewalls, VPNs, Network Segmentation, DDoS Protection, WAF, IPS, and Zero Trust environments

Ability to work effectively with both technical and business stakeholders

Previous people management experience is not required

Leadership potential, project ownership, or mentoring experience would be considered an advantage

Solution-oriented mindset and strong analytical skills

What's on Offer

Opportunity to work on business-critical security platforms

International environment with advanced security technologies

Exciting transformation initiatives and high-impact projects

Flexible working arrangements

Attractive benefits package like kindergarden, healthy opportunities, food benefits, etc..

Homeoffice up to 50% per week

Salary of up to €140,000 gross per year, depending on experience and qualifications

Interested?

For a confidential discussion, please get in touch with me or under the ad:

SThree_Germany is acting as an Employment Agency in relation to this vacancy.

Original posting: www.sthree.com