LTE Network Field 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.

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 :

• Ensure secure and stable LTE-based communication for AHS trucks, field devices, and industrial sensors.
• Design and implement enhancements in LTE topology, IP routing, and wireless coverage for operational continuity.
• Maintain strict adherence to the Purdue Model principles and network zone segmentation, while aligning with NIST cybersecurity guidelines and IEC 62443 standards for industrial control system security.
• Assist with backhaul integration between LTE and core IT / OT infrastructure.
• Contribute to audits, root cause analyses, and continuous improvement of LTE-related performance metrics.

Technical Expertise

LTE and Networking Expertise

Tools and Technical Proficiency

Desirable Skills

Education and Experience

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.

J-18808-Ljbffr