IT Security Manager | IT-Sicherheitsmanager (m/w/d)

Mainzer Stadtwerke AG

Mainz am Rhein, Rheinland-Pfalz, Deutschland
Published Mar 20, 2026
Full-time
Permanent

Job Summary

As an IT Security Manager at Mainzer Stadtwerke AG, you will play a pivotal role in securing the digital infrastructure of a leading energy and mobility provider. Your daily responsibilities include the management and advancement of the Information Security Management System (ISMS) in accordance with ISO/IEC 27001. You will conduct risk analyses, advise various departments on security measures, and ensure compliance with critical infrastructure (KRITIS) requirements. This role is highly collaborative, involving close coordination with IT teams to monitor processes and prepare for internal and external audits. The position is particularly attractive due to its focus on the energy transition and innovation, offering a competitive salary under the TV-V collective agreement (up to €90,000), extensive benefits including flexible remote work, comprehensive health programs, and a strong commitment to professional development and work-life balance.

Required Skills

Education

University degree in Computer Science, Information Security, or a comparable qualification. ISMS-related certifications are advantageous.

Experience

  • 3–5 years of professional experience in information security
  • Professional experience within a KRITIS (Critical Infrastructure) company environment is preferred
  • Proven experience in risk analysis and documentation
  • Experience in managing and developing documentation for ISO/IEC 27001 standards

Languages

Not specified

Additional

  • Willingness to acquire relevant IT security certifications if not already held. The role is based in Mainz and follows the TV-V collective agreement framework.