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Provide Linux systems administration and operational support: install, configure, monitor, patch, and troubleshoot servers, virtualization, storage, network equipment and infrastructure tools; maintain security posture, backups, automation (Ansible), deployment (Foreman), and Tier III support. Perform hardware moves, after-hours support, and liaise with vendors.

Support full-cycle recruiting and HR administration: source and screen candidates, coordinate interviews, manage ATS and candidate records, assist onboarding, payroll/benefits support, maintain employee files, conduct reference checks, prepare HR reports, and coordinate internal communication and orientation activities while preserving confidentiality.

Manage end-to-end DAS (Distributed Antenna System) deployment at a large Arizona manufacturing facility. Oversee low-voltage construction, coordinate subcontractors, maintain schedules, track progress, report to clients and stakeholders, monitor quality and safety alignment, and prepare weekly/monthly progress reports using PowerPoint and Excel.

Manage drayage operations including arrival notices, ISF, delivery orders, empty container returns, carrier relationships, contingency carrier sourcing, daily delivery schedules, KPI reporting, tracking LSPs, customer communications, corrective actions, and ad-hoc reporting to improve on-time delivery and logistics performance.

Manage and support multi-site IT infrastructure including WAN, Layer 3 switching, VPNs, firewalls, and wireless. Administer G-Cloud and on-prem servers (AD, DHCP, MECM), oversee network security solutions (UTM, Zscaler, NAC, IPS), and support IT infrastructure/security projects while coordinating with local and remote teams and AWS headquarters. Korean bilingual required; on-site Atlanta presence and multi-location support expected.

Provide accounts payable and receivable support, payroll recordkeeping and inquiries, assist with payroll audits, tax and 1099 tasks, reconciliations, invoice entry, vendor management, and other general accounting duties to ensure accurate, timely financial operations.

Lead design, development, and production deployment of LLM-powered applications, RAG pipelines, agentic workflows, and evaluation/monitoring systems. Collaborate cross-functionally to translate business needs into scalable, secure AI services and mentor engineering teams while enforcing responsible AI practices and production-grade MLOps.

Manage inbound drayage operations including arrival notices, ISF processing, delivery/work order creation, carrier coordination, contingency carrier sourcing, tracking LSPs, reporting KPIs, improving on-time delivery, and communicating delivery status to customers. Perform corrective actions and other related duties.

Support development, maintenance, and enhancement of internal web applications and server-side/database components. Participate in design, testing, deployment, troubleshooting, and translating user requirements into technical specifications while collaborating with cross-functional teams and providing technical assistance.

Manage daily accounts receivable operations including invoicing, billing dispute resolution, contract interpretation, revenue recognition, aging reports, and client communications. Coordinate with sales and finance teams, maintain contract and billing records, and prepare revenue-related forecasts and reports. Must be bilingual in Korean and English.