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Senior Layer 1 (PHY) Firmware Engineer – 5G NR gNodeB

Qualcomm -
Hyderabad, Telangana

Apply Now

Job details

Qualifications

Doctoral degree
Computer Science
Signal processing
Engineering
5G
Firmware
Information Systems
M.Eng
Master's degree
C++
C
Bachelor's degree
Embedded software
Systems engineering
4G/LTE

Full job description

Company:

Qualcomm India Private Limited

Job Area:

Engineering Group, Engineering Group > Systems Engineering

General Summary:

We are hiring a Layer‑1 (Physical Layer) Firmware Engineers to work on 5G NR gNodeB Firmware . This role focuses on PHY development on the DU side , building high‑performance, real‑time wireless software used in modern cellular networks.

You will work closely with PHY, RF, platform, and system teams to develop and optimize carrier‑grade NR PHY features .

What You’ll Do

Develop and maintain Layer‑1 (PHY) firmware for 5G NR gNodeB
Work on uplink and downlink PHY channels , including:
- PUSCH, PDSCH, PUCCH, PDCCH, PRACH, SRS, SSB
Implement and optimize signal processing algorithms such as:
- Channel estimation and equalization
- HARQ processing
- MIMO and beamforming
Work on FEC processing :
- Turbo coding/decoding (LTE)
- LDPC and Polar coding/decoding (5G NR)
Optimize real‑time performance for latency and throughput
Integrate PHY software with MAC, RF, and hardware platforms
Debug complex PHY‑level and real‑time issues

Required Skills

Strong experience in Layer‑1 / PHY firmware development
Hands‑on experience with LTE and/or 5G NR
Solid understanding of 3GPP PHY specifications
Strong C/C++ programming skills
Experience working on real‑time or embedded systems
Good understanding of:
- OFDM / SC‑FDMA
- Numerologies and frame structures
- HARQ and link adaptation

Minimum Qualifications:

Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 2+ years of Systems Engineering or related work experience.

OR
Master's degree in Engineering, Information Systems, Computer Science, or related field and 1+ year of Systems Engineering or related work experience.
OR
PhD in Engineering, Information Systems, Computer Science, or related field.

Applicants : Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail [email protected] or call Qualcomm's toll-free number found here . Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries).

Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law.

To all Staffing and Recruiting Agencies : Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications.

If you would like more information about this role, please contact Qualcomm Careers .

Apply Now

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