MVNO/MNVE Network & Device Escalation Engineer _ Philadelphia, PA

Title: Senior MVNO Network & Device Escalation Engineer

Location: Philadelphia, PA (4 days onsite) Open to relocation

Duration: Longterm

Role Overview: Seeking a hands-on analyst to manage SIM/eSIM provisioning and activation triage across MVNO/MVNE stacks, troubleshoot network and telephony issues (Voice/VoLTE/VoNR, SMS, MMS, Data, RCS), and resolve OEM-specific cases (Apple iOS, Android). This role ensures reliable activation and service through technical analysis, cross-carrier coordination, and SLA-driven resolution.

Key Responsibilities

• SIM/eSIM Provisioning & Activation: Diagnose activation failures (entitlement, subscription mismatch, profile errors), execute provisioning flows.
• Network & Telephony Triage: Troubleshoot Voice/SMS/Data issues across 2G 5G; analyze SIP/IMS, Diameter, PCRF/PCF; identify RAN/Core/device/APN issues.
• OEM Resolution:
• Apple iOS: Carrier bundle checks, entitlement, iMessage/FaceTime, Wi-Fi Calling, sysdiagnose logs, eSIM management.
• Android: TelephonyManager, adb/logcat, RCS diagnostics, SIM toolkit parsing.
• Coordinate escalations with MVNE/MNO and OEM partners; document defects.

Preferred Skills

• Tools: Kibana/Grafana, sysdiagnose, Xcode Instruments, Postman.
• Knowledge: Entitlement Servers, carrier certification, 5G SA, IMS/SIP, DNS basics.
• Familiarity: LNP, E911, Short Codes.
• Scripting: Python/Shell for tests and data extraction.

Certifications (Nice to Have)

• GSMA eSIM/eUICC, 3GPP IMS/VoLTE, WCNA, ITIL Foundation.

LGL Tech is a trusted technology partner specializing in Software Development, Product Engineering, and IT Services. We provide comprehensive solutions and strategic advisory services to businesses worldwide, from mid-market enterprises to Fortune 100 companies.

With expertise in ERP, SaaS, AI/ML, cloud computing, infrastructure management, and cybersecurity, we help businesses modernize operations, streamline processes, and drive digital transformation.

Balancing innovation with managing legacy systems and mitigating security risks is critical in today s digital world. LGL Tech delivers tailored software solutions, scalable IT services, and strategic technology approaches that accelerate growth and ensure long-term success.

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