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