Administers and supports enterprise wired and wireless network infrastructure, including routing, switching, DNS, DHCP, wireless platforms, VLANs, QoS, segmentation, and security policies. Diagnoses network disruptions, analyzes security logs, configures event connectivity, manages service requests, supports technology migrations, maintains documentation, and provides network services to staff, clients, exhibitors, and events.

Supports the Chief of Staff by coordinating strategic and cross-departmental initiatives, tracking deliverables, reviewing and summarizing complex materials, preparing briefings and meeting content, and liaising with internal departments and external stakeholders. The role requires sound judgment, discretion with confidential information, strong communication, organization, adaptability, and the ability to manage shifting priorities in an on-site executive office environment.

Supports weekly payroll processing for approximately 400 employees, including payroll audits, reconciliations, deductions, garnishments, benefits, retirement reporting, tax compliance, expense reimbursements, and year-end activities. Maintains employee payroll and HR data, resolves discrepancies, supports audits and system improvements, and provides payroll-related customer service to employees and managers. The role coordinates with Human Resources, Finance, external providers, and retirement agencies while ensuring compliance with applicable laws and collective bargaining requirements.