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Job Description
Job Summary: Reporting to the IT Director, the Systems Administrator supports the administration, maintenance, security, and continuous improvement of the company's enterprise IT infrastructure. This role focuses primarily on Windows and Linux server environments, Microsoft Entra ID (Azure AD), Microsoft 365, virtualization platforms, and related systems. The Systems Administrator works closely with senior IT staff to ensure systems are reliable, secure, and well documented, while gaining hands-on experience with advanced infrastructure, cloud services, automation, and security practices. Duties/Responsibilities:
* Install, configure, maintain, and support server systems in accordance with established standards and procedures. * Assist with administration of Microsoft Entra ID (Azure AD), including user and group management, role assignments, access reviews, and identity lifecycle tasks. * Support Microsoft 365 services, including Exchange Online, Teams, SharePoint Online, and related collaboration and security features. * Perform routine system monitoring, alert review, and troubleshooting; escalate complex or recurring issues to senior staff as appropriate. * Apply operating system and application patches following established testing processes. * Assist with virtualization environments using VMware and/or Hyper-V, including virtual machine provisioning and maintenance. * Perform routine backup and recovery tasks and assist with disaster recovery testing activities. * Assist with Linux server administration and application support as needed. * Provide support for issues related to server, identity, and infrastructure systems. * Participate in infrastructure improvement projects under the guidance of senior IT staff. * Create and maintain documentation for systems, configurations, procedures, and changes. * Assist with inventory management and asset configuration documentation. * Execute and maintain existing PowerShell or Bash scripts. * Participate in after-hours support for scheduled maintenance and critical incidents. * Support user and device security incidents, including initial triage, containment actions (such as account disablement, password resets, and device isolation), and escalation to senior staff. * Assist with the investigation of suspicious activity related to phishing attempts, compromised user accounts, malware infections, or unauthorized access. * Support the implementation and maintenance of identity and access security controls within Microsoft Entra ID and Microsoft 365, including MFA and conditional access policies. * Participate in security-related audits by providing technical evidence, logs, and documentation as requested.
Required Skills/Abilities:
* Ability to communicate effectively with both technical and non-technical users. * Excellent time management skills with a proven ability to meet deadlines. * Ability to diagnose problems and triage/resolve issues across various tiers (application, network, database, server, middleware, or storage tiers). * Solid working knowledge of Windows Server administration. * Experience supporting Microsoft Entra ID and Microsoft 365 in a production environment. * Familiarity with virtualization concepts (VMware and/or Hyper-V). * Basic understanding of information security concepts such as least privilege, MFA, patch management, and secure system configuration. * Ability to recognize and respond to common security incidents such as phishing, malware infections, and compromised user accounts. * Strong troubleshooting and analytical skills with attention to security and data protection. * Strong organizational skills and attention to detail. * Willingness to learn new technologies and follow established standards and procedures.
Education and Experience:
* Bachelor's degree in Information Technology, Computer Science, or equivalent practical experience. * 3-5 years of experience in system administration or a related IT infrastructure role. * Hands-on experience with Windows Server, Active Directory / Entra ID, and Microsoft 365. * Exposure to virtualization, Linux, SQL Server, scripting, or security tooling is a plus. * Automation (PowerShell, etc.) is a plus.
Physical Requirements:
* The ability to lift and/or carry at least up to 30 pounds unassisted. * The ability to wear personal protective gear, as needed. * Frequently required to sit, use hands and fingers to handle/feel items, reach with hands and arms, stoop, bend, and talk or hear.
Sprachkenntnisse
- English
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