Senior Automotive 5G Wireless Software Engineer - Embedded Linux

Sigma Group; San Francisco (CA); Presencial; USD 150.000 - 175.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Paid Time off

401(k) Matching

Life Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

Employee Assistance Program

Disability insurance (CA)

Carlsbad Palomar proximity perks

Descripción de la vacante

Sigma Connectivity, Inc. is seeking a Senior Wireless Engineer to own key parts of the in-vehicle 5G stack on embedded Linux. The role focuses on eSIM, cellular stack extension, and observability, collaborating with modem vendors, carriers, and cloud teams.

You will work hands-on with ICs, automotive modems, and cross‑functional partners to deliver robust connectivity across markets. The position emphasizes a hands-on, collaborative culture with strong problem‑solving, documentation, and

Formación

• BS in Computer Science, Electrical or Computer Engineering or equivalent practical experience.
• 6+ years of embedded or systems software experience, including 3+ years on device-side cellular (LTE/5G).
• Strong modern C++ (C++17+) on embedded Linux with multithreading, IPC, and unit testing.

Responsabilidades

• Build and own the vehicle-side eSIM client and cloud eSIM manager integration.
• Extend the cellular stack for multi-carrier, multi-region operation with per-carrier configuration.
• Design and maintain C++ services that control the modem on embedded Linux, including IPC and multiple APNs.
• Ensure connectivity recoveries and correct modem state across power cycles and sleep modes.
• Own cellular observability, telemetry, and triage; support IMS, emergency calling, and related services.
• Write design docs, review code, mentor engineers, and set technical direction with partners.

Conocimientos

Problem solving

Analytical skills

Communication

Collaboration

Ownership

Adaptability

Multitasking

Educación

BS in Computer Science, Electrical or Computer Engineering

Herramientas

GoogleTest/GoogleMock

Vendor SDKs

QMI/AT/MBIM

Android RIL

Descripción del empleo

Sigma Connectivity, Inc. is seeking a Senior Wireless Engineer to own key parts of the in-vehicle 5G stack on embedded Linux. The role focuses on eSIM, cellular stack extension, and observability, collaborating with modem vendors, carriers, and cloud teams.

You will work hands-on with ICs, automotive modems, and cross‑functional partners to deliver robust connectivity across markets. The position emphasizes a hands-on, collaborative culture with strong problem‑solving, documentation, and