Senior Mobile Core Network & Automation Engineer

Grid Networks

Reston (VA)

On-site

USD 140,000 - 180,000

Full time

14 days+

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Job summary

GRID Networks is seeking a Senior Core Network Engineer to join our mobile team in Reston, VA. You’ll own automation-driven operations for the mobile core, building tools and dashboards to improve reliability, performance, and efficiency across signaling, voice, SMS, data, and roaming.

The role requires 5+ years in telecom or network operations, deep knowledge of 2G-5G signaling, and proficiency in Python or Go.

Qualifications

5+ years in telecommunications or network operations.
Solid understanding of mobile network technology across generations (2G-5G) including signaling, voice, SMS, data, and roaming.
Programming experience in Python, Go, or a similar language, with automation-building track.
Experience automating operational workflows: monitoring, alerting, remediation, or reporting.
Familiarity with SS7/MAP and Diameter signaling, IMS, VAS platforms, core network elements, ITU-T / 3GPP specifications, and GSMA recommendations, plus comfort working with APIs and operational data.
Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or related field - or equivalent hands-on experience.
Practical, detail-oriented problem solver who's comfortable owning production issues end to end.

Responsibilities

Operations - Run day-to-day operations for the mobile network including monitoring, incident response, and troubleshooting across signaling, voice, SMS, data, and roaming.
Automation - Build tools and scripts that automate manual operational work: alerting, remediation, capacity and service checks, and routine network tasks.
Tool Development - Design and build internal tooling and dashboards for network monitoring, performance analysis, and QoS/KPI tracking.
Systems Integration - Integrate network elements, monitoring systems, and ticketing/alerting platforms through APIs and custom automation.
Roaming Operations - Support international roaming operations, including IREG/TADIG testing, performance monitoring, and troubleshooting.
Process Improvement - Identify manual, repetitive operational work and replace it with automated, self-service, or self-healing solutions.
Collaboration - Work with network engineering, vendors, and cross-functional teams to resolve issues and improve reliability.