Desktop Support / IT Support-L2-Germany Frankfurt

Oikotechno Japan Co., Ltd; Frankfurt; On-site; EUR 65,000 - 90,000; Full time

Job summary

Oikotechno Japan Co., Ltd in Frankfurt is seeking a Senior Desktop Systems Administrator to support our enterprise infrastructure on site. You will manage client compute devices, OS deployment, and endpoint security in a multi-location, fast-paced environment.

You will collaborate with cross-functional IT teams, maintain AD, GPO, JAMF Pro, Intune, MECM, and contribute to EUC improvements, automation, and incident response. On-site duties require strong problem-solving and initiative.

Qualifications

• 4+ years of desktop systems administration in large enterprise environments.
• Experience packaging and deploying apps across Windows, macOS, and Linux.
• Strong AD, GPO, and JAMF Pro experience with Intune/MECM familiarity.
• Self-motivated, proactive, able to work independently.

Responsibilities

• Provide expert-level support for client compute devices in a large enterprise.
• Manage WAN/LAN, TCP/IP, DHCP, DNS, VPN, and Active Directory.
• Deploy and support Windows, macOS, and Linux OS.
• Validate GPO/RSoP and JAMF configuration profiles on endpoints.
• Handle user account lifecycle and directory maintenance.
• Support Microsoft 365 apps including Teams, SharePoint, Exchange.
• Manage mobile devices via MDM across enterprise environments.
• Assist with videoconferencing systems and Cisco collaboration tools.
• Contribute to EUC optimization and automation initiatives.

Skills

Desktop systems administration

Problem solving

Independent work

Cross-functional collaboration

Education

Bachelor’s degree in IT/CS/Engineering

Certifications (e.g., CompTIA A+)

JAMF Certified Administrator

Tools

SCCM

Intune

JAMF Pro

Active Directory

Group Policy (GPO)

MDM

Microsoft 365

Exchange Online

Job description

Senior Desktop Systems Administrator

We are seeking a highly motivated and technically skilled Desktop Systems Administrator to support our enterprise infrastructure. This on-site role involves managing and maintaining client compute devices, operating systems, mobile platforms, and supporting technologies across multiple locations. The ideal candidate will have strong technical expertise, excellent problem-solving skills, and the ability to work independently in a fast-paced environment.

Key Industry Keywords

Desktop Support, Endpoint Management, Windows Administration, macOS Deployment, Linux Systems, Active Directory, Group Policy (GPO), JAMF Pro, Microsoft 365, Exchange Online, Mobile Device Management (MDM), IT Service Desk, Enterprise Infrastructure, Systems Integration, IT Security, Incident Response, Network Protocols (TCP/IP, DHCP, DNS, VPN), IT Asset Management (ITAM), Cisco Collaboration, Video Conferencing Systems, Office 365, Windows Imaging, System Deployment, Client Compute Solutions, End-User Computing (EUC).

Job Highlights

• Location: On-site — no remote work available
• Work Schedule: Core business hours (8:00 AM – 6:00 PM); occasional after-hours support may be required
• Team Structure: Collaborate with cross-functional IT teams in a large-scale enterprise environment

Key Responsibilities

• Provide expert-level support for client compute devices (laptops, desktops, peripherals) and accessories in a large-scale enterprise environment.
• Manage and troubleshoot infrastructure technologies including WAN/LAN, TCP/IP, DHCP, DNS, VPN, and Active Directory.
• Deploy, configure, and support operating systems including Windows, macOS, and Linux (Ubuntu, CentOS, RHEL).
• Validate and troubleshoot Group Policy Object (GPO) Resultant Set of Policy (RSoP) and JAMF configuration profiles on endpoints.
• Manage user account lifecycle: creation, modification, deactivation, permissions, and directory maintenance (e.g., Active Directory).
• Support and troubleshoot Microsoft productivity suite: Microsoft Teams, SharePoint, Exchange/Outlook, and Office applications.
• Configure, deploy, and support mobile devices (Apple iOS and Android) across enterprise environments using Mobile Device Management (MDM) solutions.
• Support single- and multi-site videoconferencing solutions and advanced conference room control systems (Cisco experience is a plus).
• Manage enterprise network printing infrastructure, including high-volume scanning-to-email and finishing unit operations.
• Participate in IT security incident response, including system imaging, malware remediation, and forensic support.
• Plan and execute user and site relocations, including office moves and full-scale site migrations.
• Collaborate with IT security teams to enforce endpoint compliance, patch management, and device hardening best practices.
• Participate in continuous improvement initiatives for End-User Computing (EUC), automation, and service delivery optimization.

Preferred Qualifications

• 4+ years of experience in desktop systems administration and/or service desk administration in a large-scale enterprise environment.
• Ability to work with minimal supervision — self-motivated, proactive, and solution-oriented.
• Experience with client application packaging and deployment across Windows, macOS, and Linux platforms (e.g., using SCCM, Intune, or JAMF).
• Familiarity with IT asset management (ITAM) tools and standard inventory practices.
• Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field.
• Relevant certifications (e.g., CompTIA A+, Microsoft Certified: Modern Desktop Administrator Associate, Apple Certified Support Professional, JAMF Certified Administrator, or Cisco CCNA Collaboration).
• Hands-on experience with Microsoft Intune, Microsoft Endpoint Configuration Manager (MECM), or JAMF Pro for endpoint lifecycle management.
• Knowledge of scripting languages (e.g., PowerShell, Bash, Python) for automation of routine desktop administration tasks.

Skills: hardware troubleshooting (laptops, desktops, printers, docking stations), linux support (ubuntu, centos, rhel), jamf administration / mac device management, itsm tools (servicenow, remedy, jira, etc.),desktop support / end user computing (euc),macos / apple device support,active directory (user administration, permissions, group management),os deployment & imaging,microsoft 365 support (outlook, teams, sharepoint, office apps),windows 10/11 administration & troubleshooting