Senior Administrator

Senior Administrator for Platform Firewall and VDI Support

Location Cologne Germany (Onsite)

Employment Type Full Time Permanent

Number of Positions 2

Travel Up to 10 Percent

Language Requirements German C2 Level and Advanced English

Key Responsibilities

• Manage and operate complex VMware based platform environments
• Plan and implement platform commissioning and infrastructure projects
• Perform advanced troubleshooting root cause analysis and resolution of complex technical issues
• Develop technical concepts solution designs and decision making documentation
• Design and implement supporting tools automation solutions and operational workflows
• Plan and manage complex IT projects including resource and supplier coordination
• Develop and monitor measures to ensure service levels operational efficiency and customer satisfaction
• Contribute to infrastructure strategy organizational development and service portfolio improvements
• Participate in technical acquisition activities and provide technical leadership where required
• Maintain accurate technical documentation and operational procedures
• Support IT infrastructure projects for public sector organizations

Required Skills and Qualifications

• Masters degree Diploma or equivalent qualification with relevant professional experience
• At least 7 years of overall professional experience including 5 years in IT administration
• Strong hands on experience with the OMNISSA Horizon platform
• Solid knowledge of VMware vSphere and VMware vCenter
• Experience with VMware networking components including port groups and virtual switches
• Mandatory SÜ security clearance or certificate as required for the assignment
• Excellent analytical conceptual and problem solving abilities
• Strong customer orientation and a structured systematic approach to work
• Excellent communication presentation moderation and stakeholder management skills
• Strong leadership teamwork and conflict resolution abilities
• Proficiency in Microsoft Office applications
• Professional and confident communication with technical teams customers and management

Preferred Skills

• Experience with VMware Firewall and microsegmentation
• Previous leadership or technical team management experience
• Experience managing complex infrastructure projects and coordinating external suppliers
• Strong presentation and stakeholder engagement skills
• Five days per week on site in Cologne Germany
• Remote work is not available
• German language proficiency at C2
• Advanced English proficiency is required
• Willingness to travel up to 10 percent is required

Confirm that candidates hold the specific SÜ security certificate or clearance required for the assignment before submission.