Senior IT Engineer

Location: Cerritos, CA

About the role

Golden Star Technology (GST) is seeking an experienced Senior IT Engineer to oversee and enhance our internal technology environment. This hands-on role combines IT infrastructure, systems administration, end-user support, cybersecurity, collaboration technologies, AV systems, and AI-driven solutions. The ideal candidate is a proactive problem solver who can support employees, manage Microsoft 365 technologies, lead technical projects, and identify innovative solutions that improve business operations and productivity.

Responsibilities

• Administer and support Microsoft 365, Exchange Online, Outlook, Teams, SharePoint, OneDrive, Active Directory, and Microsoft Entra ID
• Manage user accounts, permissions, onboarding/offboarding, device deployment, and endpoint management
• Provide Tier II/III support for desktops, laptops, software, printers, networking, and business applications
• Maintain and troubleshoot conference room technology, Microsoft Teams Rooms, AV equipment, and collaboration tools
• Support surveillance camera systems, video management platforms, and related network infrastructure
• Assist with networking, Wi-Fi, servers, backups, cloud services, and system reliability initiatives
• Implement and maintain cybersecurity best practices, including MFA, endpoint protection, and access controls
• Lead technology improvement projects from planning through implementation and documentation
• Drive adoption of Microsoft collaboration tools and workflow automation solutions
• Evaluate, implement, and support AI-powered tools that improve employee productivity and operational efficiency
• Partner with vendors and internal stakeholders to resolve issues and deliver technology solutions

Requirements

• 5+ years of experience in IT Systems Administration, Systems Engineering, Infrastructure Support, or Senior Help Desk/Desktop Support
• Strong experience with Microsoft 365 Administration in a Windows-based environment
• Hands-on experience with Active Directory, Microsoft Entra ID (Azure AD), Exchange Online, and user access management
• Knowledge of networking, endpoint management, security technologies, and troubleshooting methodologies
• Experience supporting collaboration technologies, AV systems, and end-user computing environments
• Strong project management, communication, and problem-solving skills
• Ability to manage multiple priorities while delivering exceptional internal customer support

Skills

• Microsoft Intune and endpoint management solutions
• Microsoft Teams, SharePoint, and collaboration platform administration
• Microsoft Teams Rooms and conference room AV support
• IP surveillance cameras and video management systems
• PowerShell, Power Autom