Desktop Support / IT Support-L2-United States

Oikotechno Japan Co., Ltd; Longview (WA); On-site; USD 90,000 - 120,000; Full time

Job summary

Oikotechno Japan Co., Ltd seeks a Senior Desktop Systems Administrator to manage enterprise client devices across locations. This on-site role covers Windows, macOS, Linux, AD, GPO, JAMF Pro, Intune/MECM and end-user computing in a large organization.

You will deploy OS images, support Microsoft 365 apps, handle security remediations, and assist with relocations, conferencing systems, printing, and ITAM practices in a fast-paced environment.

Qualifications

• 4+ years of desktop systems administration in a large enterprise.
• Experience packaging and deploying across Windows, macOS and Linux.
• Familiar with ITAM tools and inventory practices.
• Bachelor's degree in IT or related field; relevant certifications preferred.

Responsibilities

• Provide expert-level support for client devices (laptops/desktops) in a large enterprise.
• Manage WAN/LAN, TCP/IP, DHCP, DNS, VPN, and Active Directory infrastructure.
• Deploy and support Windows, macOS, and Linux OS images and configurations.
• Validate GPO/RSoP and JAMF profiles on endpoints.
• Administer user lifecycle: AD accounts, permissions, and group policies.
• Support Microsoft 365 apps (Teams, SharePoint, Exchange, Office).
• Configure and manage mobile devices via MDM solutions.
• Support videoconferencing and Cisco collaboration tools.
• Manage enterprise printing, scanning-to-email, and finishing devices.
• Contribute to IT security incidents, imaging, malware remediation, forensics.
• Plan relocations/migrations and collaborate on patch management and hardening.
• Drive EUC improvements, automation, and service delivery optimization.

Skills

Endpoint management

Active Directory

GPO

PowerShell

Automation scripting

End-User Computing

Self-motivation

Problem solving

Education

Bachelor's degree in Information Technology / Computer Science / Engineering

Tools

SCCM

Intune

JAMF Pro

MECM

ServiceNow

Remedy

Jira

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