Head of Cyber Security (f/m/d)

Head of Cyber Security (f/m/d)

We are seeking an experienced and visionary leader to establish and lead the Cyber Security function within A1's international Business Delivery Center. As Head of Cyber Security, you will be instrumental in shaping and scaling our cyber security delivery capabilities across all A1 markets. This is a unique opportunity to build a critical function from the ground up and elevate it into a high-impact, cross-market capability that protects our customers, platforms, and operations.

* Define and implement a group-wide cyber security delivery strategy, including organizational structure, governance, and operational processes.
* Lead the transformation from decentralized local units to a centralized, cross-market cyber security delivery organization.
* Build and manage a global cyber security delivery team across key domains: Enterprise Security Architecture, Security Operations Centers (SOCs), Security Engineering & Automation, Offensive Security & Red Teaming, Governance, Risk & Compliance (GRC), Security Consulting & Advisory Services.
* Own the full lifecycle of cyber and IoT security services - from design and delivery to continuous improvement and innovation.
* Oversee and enhance managed security services to meet customer expectations and regulatory requirements.
* Drive the integration of automation, AI, and threat intelligence to improve detection, response, and operational efficiency.
* Collaborate closely with Portfolio Management, Product Management, Sales, Legal, Compliance, and Infrastructure teams to align security with business and regulatory needs.
* Define, monitor, and report on KPIs related to service quality, threat response, operational maturity, and customer satisfaction.
* Ensure alignment with security frameworks (e.g., NIST, SABSA) and compliance with standards and regulations (e.g., ISO/IEC 27001, NIS2, GDPR).

Your Profile

* Longstanding experience in cyber security leadership managing cross-functional teams in complex environments, with a strong track record in service delivery and full lifecycle ownership
* Proven expertise in building and managing cyber security delivery functions, including SOCs, security engineering, offensive security, and consulting teams
* Deep understanding of managed security services, security architectures, GRC frameworks, and automation in security operations
* Strong capability in defining and reporting on KPIs related to service efficiency, quality, and performance
* Familiarity with key technology vendors and partners in the cyber security ecosystem
* Fluent in German and English (minimum B2 level); other languages are a plus
* Willingness to travel occasionally across A1 Group markets

Certifications are an advantage but not a must

* Security Leadership & Architecture Certified Information Systems Security Professional (CISSP) | Certified Information Security Manager (CISM) | SABSA Chartered Architect
* Technical & Offensive Security Offensive Security Certified Professional (OSCP) | GIAC Penetration Tester (GPEN) | Certified Ethical Hacker (CEH)
* Governance & Compliance ISO/IEC 27001 Lead Implementer or Auditor | Certified in Risk and Information Systems Control (CRISC)
* Cloud & Automation Security Certified Cloud Security Professional (CCSP) | Microsoft Certified: Cybersecurity Architect Expert | GIAC Security Automation Engineer (GSAE)
* Service Management ITIL(R) Foundation or higher | PMP(R), PRINCE2(R) - for program and transformation leadership

Optional: Technology & Vendor Experience

* Security Operations & Monitoring SIEM/SOAR platforms (e.g., Splunk, Microsoft Sentinel, IBM QRadar, Palo Alto Cortex XSOAR) | Threat intelligence platforms and EDR/XDR solutions (e.g., CrowdStrike, SentinelOne, Microsoft Defender, Trellix)
* Identity & Access Management Azure AD, Okta, Ping Identity, MFA, PAM solutions (e.g., FUDO, Wallix)
* Offensive & Red Teaming Tools Kali Linux, Metasploit, Cobalt Strike, Burp Suite
* Automation & AI in Security SOAR, playbook automation, AI-driven threat detection, anomaly detection engines

Benefits & More

* Flexible working: Home office, remote work, flextime, sabbatical
* 26 vacation days & days off on December 24th and 31st
* Paid lunch break, canteen & vouchers
* Free A1 internet plus additional discounts for family & friends
* Company phone for personal use as well
* Internal job market at A1 & skill enhancement
* A1 Radl - Lease a bicycle or e-bike at affordable rates

It is important to us that your salary reflects your qualifications and experience. It can exceed the collective agreement and starts at EUR 100,000 gross per year
including a 20% variable component, all-in.
Applications should be submitted in English only.

Unser Mindset

Wir bei A1 wollen mit den Besten zusammenarbeiten und glauben, dass Talent keine Norm hat.
Wir nehmen Menschen mit auf unsere Reise, von denen wir lernen können und die uns täglich inspirieren, die Zukunft digitaler, nachhaltiger und inklusiver zu gestalten.

* Frauen in IT & Technik
* Umweltfreundliche Lösungen
* Chancengleichheit & Diversität

Zukunft ist, was du draus machst!
#MakeItHappen