System Performance Engineer II - VZGTJP00060299

Job Description

• Monitor and optimize LTE/5G network performance using hourly/daily KPIs, alarms, and trends.

• Lead/represent Performance Engineering on feature rollouts, new node integrations, and centralized projects-manage deliverables and hold partners accountable.

• Troubleshoot RAN hardware and performance issues-independently and via coordination with RF, Field, Integration, and Core teams.

• Identify poor coverage/performance areas, run root cause analysis, and propose/track optimization actions (parameter tuning, feature activation, neighbor changes, tilt/power tweaks).

• Collect and analyze drive test data, including post-processing and mapping to geo-location platforms; feed insights into build program prioritization.

• Report issues to the right engineering owners and close the loop with clear documentation and status updates.

• Support customer issue resolution, correlating complaints to network data and implementing quick-hit and longer-term fixes.

• Produce regular performance reports, dashboards, and technical documentation; present findings to cross-functional stakeholders.

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Skills and Requirements

• Bachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or related field.

• 3-5+ years of wireless network performance engineering experience focused on LTE/4G and 5G-NR.

• Strong understanding of 3GPP standards for LTE and 5G (NSA & SA architectures).

• Expert knowledge of RAN architecture and signaling protocols: RRC, S1AP, X2AP, NGAP; solid air interface analysis skills.

• Hands-on with drive testing, post-processing tools, and geo-location performance platforms.

• Proven use of RAN performance management tools for major vendors (Ericsson, Nokia, Samsung).

• Scripting & data analysis proficiency (SQL, Python, or R) for large network datasets.

• Excellent communication, presentation, and technical documentation skills. - Master's degree in a relevant technical field.

• Experience with vRAN/Open RAN and cloud-native RAN performance analysis.

• Knowledge of core network elements (EPC, 5GC) and how they affect RAN performance.

• Certifications (e.g., 5G, vendor-specific certs from Ericsson/Nokia/Samsung, or cloud/virtualization).