Senior Systemadministrator (m/w/d) - Mainz @ A&M STABTEST Labor für Analytik und Stabilitätsprüfung GmbH [38.000 - 62.000 €]

Salary: 38.000 - 62.000 € per year Requirements: At least seven years of professional experience in administration Successfully completed training as an IT specialist in system integration or a comparable qualification Structured and careful way of working Good written and spoken English skills Very good communication and teamwork skills Sound understanding of current IT security technologies, including endpoint protection, firewalls and monitoring Very good knowledge of identity and access mana

Salary: 38.000 - 62.000 € per year Requirements: At least seven years of professional experience in administration Successfully completed training as an IT specialist in system integration or a comparable qualification Structured and careful way of working Good written and spoken English skills Very good communication and teamwork skills Sound understanding of current IT security technologies, including endpoint protection, firewalls and monitoring Very good knowledge of identity and access management systems (Active Directory, Entra ID) Responsibilities: Administration and continuous development of our security infrastructure, including endpoint protection, firewall systems and security monitoring Administration and further development of our identity and access concepts, particularly in the Active Directory and Entra ID environment Supporting architectural decisions and providing technical advice to the team Operation and further development of the server and network infrastructure Support for virtualization using VMware and Proxmox as well as application provisioning using Citrix Support, administration and validation of specialist applications Implementation and documentation of activities under GMP Accepting, analyzing and processing service and support requests via ticket system Technologies: Active Directory Citrix Firewall Support Mobile Network Security VMware More: We are A&M, one of the largest service providers for cGMP-compliant, cutting-edge pharmaceutical analysis in Europe, with around 360 employees in Mainz and Bergheim. We believe in quality, reliability, and friendly, fair cooperation because only a satisfied team can be a good team. We offer a permanent employment contract with flexible working hours, the option of mobile working, intensive training, modern working conditions, and the opportunity to actively shape architectural decisions. Additionally, we provide a job ticket, job bike, company pension scheme, and various company events. last updated 5 week of 2026