Modem Engineer (C/C++)

New York, NY, US • Posted 5 hours ago • Updated 5 hours ago
Contract W2
No Travel Required
On-site
$50 - $55/hr
Fitment

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Job Details

Skills

  • QXDM
  • QPST
  • MTK modem tools Baseband log decoding RF & protocol analyzers Android/iOS modem logging   Operating Systems Android iOS Embedded Linux   Networking Knowledge TCP/IP over cellular Network attach & session lifecycle Carrier core network interaction

Summary

Modem Engineer (C/C++)

Client- Verizon

Location- Baskin Ridge NJ - 3 days a week Hybrid

About the job
Job Description:

 

We are seeking a Modem & Chipset Systems Engineer with deep expertise in cellular modems, RF stacks, and SoC integration across Qualcomm, MediaTek, and Apple chipsets. This role will support device telemetry, network diagnostics, performance optimization, and firmware-level integration across carrier networks, including 5G, LTE, and NB-IoT platforms. This role bridges device hardware, modem firmware, and network systems, enabling reliable data ingestion, remote diagnostics, and performance tuning for large-scale connected-device platforms.

 

Key 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
Work with modem telemetry pipelines feeding DMAT-style analytics platforms
 

Firmware & OS Integration

 

Android modem HAL
iOS baseband interfaces
Linux-based embedded systems
OTA modem updates
Crash logs
Baseband dumps
Vendor debug tools (QPST, QXDM, MTK tools, Apple baseband logs)
 

Carrier Network Integration

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

Production Support & Escalation

Support field escalations involving: 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
 

Networking Knowledge

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

Preferred Skills:

Experience working with carrier device labs 
Experience supporting large-scale device fleets
Knowledge of telemetry ingestion platforms 
Familiarity with OTA firmware pipelines
Understanding of device certification and carrier acceptance testing.
 

Education:

 

Bachelor’s or Master’s degree in Computer Science, Computer or Electrical Engineering, Mathematics, or a related field.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.
  • Dice Id: 91142794
  • Position Id: 8957359
  • Posted 5 hours ago

Company Info

About SSTech LLC

SSTech LLC specializes in IT consulting, focusing on understanding client needs and providing skilled professionals to meet those requirements. Whether it’s through project-based consulting, staff augmentation, or full-scale IT solutions, the firm likely works closely with clients to identify technology gaps and deliver the right talent and expertise.

SSTech LLC is a dynamic and rapidly growing IT staffing and consulting firm headquartered in Irving, TX. With years of experience in the industry, we specialize in delivering innovative technology solutions and augmenting our clients’ IT teams with top-tier professionals. We pride ourselves on our commitment to integrity, honesty, and excellence in service.

Founded on the core values of integrity, technological insight, and customer satisfaction, SSTech LLC has built a reputation for providing reliable, high-quality IT staffing solutions. Our team works closely with clients to understand their unique needs and ensure that the right talent is deployed at the right time, empowering businesses to achieve their technology goals.Whether you’re looking to expand your IT staff, implement a cutting-edge technology solution, or need specialized expertise for a critical project, SSTech LLC is your trusted partner in success

SSTech LLC provides premier IT staffing services designed to help businesses develop and deploy innovative IT solutions that reduce costs and enhance performance across large enterprises worldwide. Our primary focus is on building mission-critical business applications engineered for optimal performance, scalability, and reliability.

With a deep understanding of the complexities facing modern enterprises, SSTech LLC ensures that our IT solutions not only meet the current needs of our clients but are also flexible and scalable to adapt to future demands. We specialize in delivering high-performance systems that are built to scale predictably, while maintaining the highest levels of reliability, security, and efficiency.

Whether you’re looking to streamline operations, enhance productivity, or develop cutting-edge applications, SSTech LLC is your trusted partner for building technology solutions that power business success on a global scale.

We are driven by core value and we are confident that when you select us as your IT Business Solutions Partner, we help businesses to move forward , faster by combining deep industry experience and frictionless technology delivery. Businesses today require transformational change at a scale and speed that defies traditional ways of working. We spark change through our digital transformation hub that delivers deep digital engineering and industry expertise through client-specific and integrated agile scrum teams.The SSTech LLC team is focused on delivering customer satisfaction by providing world-class IT services to the dynamic and developing high-technology market

SSTech LLC is a dynamic and fast growing company with headquarters in Dallas, Texas, USA. Through close relationships with partners , SSTech LLC has an extended presence in India.

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