Senior Administrator – Network ; m​/f​/d at Cologne, Germany

Senior Administrator – Network Support (m/f/d) at Cologne, Germany

• Operate and maintain complex network infrastructure and management systems
• Plan and execute commissioning and operational IT projects
• Analyze and resolve technical issues in complex system environments
• Develop technical concepts, documentation, and decision‑making materials
• Design and implement tools, workflows, and automation processes
• Ensure service levels and customer satisfaction through monitoring and improvements
• Manage resources, suppliers, and project deliverables
• Support portfolio development and organizational strategy initiatives
• Maintain system documentation and technical records

• Minimum 7 years of professional experience
  , including 5+ years in IT administration
• Strong experience with Cisco Catalyst and Cisco Nexus switches
• ITIL Expert certification or equivalent knowledge
• Strong analytical and problem‑solving skills
• Project management and stakeholder coordination experience
• Fluent German and English communication skills
• Strong documentation, presentation, and teamwork abilities
• Proficiency in MS Office and network administration tools