LTE Network Engineer

POSITION OVERVIEW

The LTE Network Field Engineer plays a critical role in supporting and maintaining the enterprise network infrastructure at ASARCO, with a strong focus on LTE connectivity and field-deployed technologies. This position combines hands-on technical proficiency with strategic contribution, ensuring robust, secure, and high-performance communication systems for both IT and Operational Technology (OT) environments.

ESSENTIAL FUNCTIONS

LTE Network Support:

Provide hands-on support for the Nokia LTE infrastructure, ensuring uninterrupted performance for AHS and other field automation systems.

Field Deployment & Troubleshooting:

Perform installation, testing, and diagnostics of LTE base stations, user equipment (UE), antennas, and backhaul components in harsh mining environments.

Performance Monitoring:

Use network monitoring tools to track LTE performance, identify bottlenecks, and proactively resolve issues impacting availability, latency, or throughput.

Cross-Team Collaboration:

Work with OT, AHS operations, IT networking, and vendor teams to troubleshoot LTE-related issues and coordinate firmware or configuration changes.

Documentation:

Maintain current technical documentation for LTE components, coverage maps, asset inventories, and work procedures.

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ADDITIONAL DUTIES

Support Projects and Upgrades:

Participate in LTE expansion efforts, including site surveys, RF planning, and new equipment commissioning.

Incident Response:

Serve as the front-line responder for Severity 1 and 2 incidents related to LTE and network infrastructure.

After-Hours Availability:

Be available for critical after-hours tasks to minimize operational disruptions during upgrades or maintenance.

Network Governance:

Review and approve LTE-related change control requests, ensuring alignment with best practices and security standards.

RESPONSIBILITIES

The LTE network engineer is responsible for:

Technical Expertise

LTE and Networking Expertise

+ Firewalls (Fortinet, Palo Alto, Cisco ASA) + Wireless standards (802.11) and RF propagation analysis tools (EkaHau, iBwave, or similar) + Industrial networking protocols (Modbus, Profinet)

Tools and Technical Proficiency

Requirements:

Desirable Skills

Education and Experience

+ 5+ years' experience in relevant network infrastructure roles + Valid driver's license and ability to work in field environments + English language fluency.

o At least CEFR B2 - Upper Intermediate: Can understand the main ideas of complex text on both concrete and abstract topics, including technical discussions in their field of specialization.

+ Certifications in Cisco, Nokia, or other wireless/networking disciplines + Experience supporting LTE for Autonomous Haulage Systems or comparable applications