Modem & Chipset Expert IRC286618

Description

Job Responsibilities:

Modem & Chipset Engineering

• Analyze, debug, and optimize modem behavior on Qualcomm, MediaTek, and Apple SoCs
• Work with baseband firmware, modem logs, and RF metrics to diagnose network and device issues
• Support 5G, LTE, VoLTE, IoT, and eSIM modem stacks
• Perform call flow, attach, handover, throughput, and latency analysis

Device & Network Diagnostics

• Interpret and analyze:
• RSRP, RSRQ, SINR, CQI, BLER, throughput
• Attach failures, PDP context, IMS registration
• Mobility, roaming, and network fallback

Firmware & OS Integration

• Android modem HAL
• iOS baseband interfaces
• Linux-based embedded systems

Support:

• OTA modem updates
• Crash logs
• Baseband dumps
• Vendor debug tools (QPST, QXDM, MTK tools, Apple baseband logs)

Requirements

Networking Knowledge

• TCP/IP over cellular
• Network attach & session lifecycle
• Carrier core network interaction

Preferred Skills

• Experience supporting large-scale device fleets
• Familiarity with OTA firmware pipelines
• Understanding of device certification and carrier acceptance testing

 Education: Bachelor’s or Master’s in Computer Engineering, Electrical Engineering, or Computer Science.

GlobalLogic estimates the starting pay range for this role to be performed in Basking Ridge, NJ, to be $120,000 to $130,000, and reflects base salary only. This pay range is provided as a good-faith estimate, and the amount offered may be higher or lower. GlobalLogic takes many factors into consideration in making an offer, including candidate qualifications, work experience, operational needs, travel and onsite requirements, internal peer equity, prevailing wage, responsibilities, and other market and business considerations.

Job responsibilities

Carrier Network Integration

• Validate modem behavior against:
• APN, IMS, VoLTE, VoWiFi
• 5G NSA/SA configurations
• Support network certification, testing, and performance tuning

Production Support & Escalation

• Support field escalations
• Poor signal
• Call drops
• Data failures
• Device-network mismatches
• Work with OEMs, chipset vendors, and carrier teams to resolve root causes

Required Technical Skills

Chipsets & Modems

• Qualcomm Snapdragon + X-Series modems
• MediaTek Dimensity modem stacks
• Apple Baseband / iOS modem stack

Wireless Technologies

• 5G NR (SA & NSA)
• LTE, VoLTE, VoWiFi
• IoT (NB-IoT, LTE-M)
• IMS, SIP, APN, eSIM

Diagnostics & Tools

• QXDM, QPST, MTK modem tools
• Baseband log decoding
• RF & protocol analyzers
• Android/iOS modem logging

Operating Systems

• Android
• iOS
• Embedded Linux

What we offer

Culture of caring. At GlobalLogic, we prioritize a culture of caring. Across every region and department, at every level, we consistently put people first. From day one, you’ll experience an inclusive culture of acceptance and belonging, where you’ll have the chance to build meaningful connections with collaborative teammates, supportive managers, and compassionate leaders. 

Learning and development. We are committed to your continuous learning and development. You’ll learn and grow daily in an environment with many opportunities to try new things, sharpen your skills, and advance your career at GlobalLogic. With our Career Navigator tool as just one example, GlobalLogic offers a rich array of programs, training curricula, and hands-on opportunities to grow personally and professionally.

Interesting & meaningful work. GlobalLogic is known for engineering impact for and with clients around the world. As part of our team, you’ll have the chance to work on projects that matter. Each is a unique opportunity to engage your curiosity and creative problem-solving skills as you help clients reimagine what’s possible and bring new solutions to market. In the process, you’ll have the privilege of working on some of the most cutting-edge and impactful solutions shaping the world today.

Balance and flexibility. We believe in the importance of balance and flexibility. With many functional career areas, roles, and work arrangements, you can explore ways of achieving the perfect balance between your work and life. Your life extends beyond the office, and we always do our best to help you integrate and balance the best of work and life, having fun along the way!

High-trust organization. We are a high-trust organization where integrity is key. By joining GlobalLogic, you’re placing your trust in a safe, reliable, and ethical global company. Integrity and trust are a cornerstone of our value proposition to our employees and clients. You will find truthfulness, candor, and integrity in everything we do.

About GlobalLogic

GlobalLogic, a Hitachi Group Company, is a trusted digital engineering partner to the world’s largest and most forward-thinking companies. Since 2000, we’ve been at the forefront of the digital revolution – helping create some of the most innovative and widely used digital products and experiences. Today we continue to collaborate with clients in transforming businesses and redefining industries through intelligent products, platforms, and services.