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TRCD-26-06233
LTE/5G NR PHY Layer (L1) Engineer - RAN
Contract role for a 2–8 years LTE/5G NR RAN Layer-1 (High PHY) engineer to design, implement, optimize and debug PHY algorithms for eNB/gNB (including vRAN/O-RAN variants). The role needs strong C/C++ and 3GPP PHY knowledge (modulation/coding, MIMO/beamforming, FFT/IFFT, channel estimation/equalization), plus experience with real-time embedded systems and fronthaul (CPRI/eCPRI) and L1 acceleration. Location: Bengaluru (Manyata) or Delhi NCR.
Position summary
- Location
- India
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 2 years and Maximum 8 years
Role overview
Why This Role Matters.
Contract role for a 2–8 years LTE/5G NR RAN Layer-1 (High PHY) engineer to design, implement, optimize and debug PHY algorithms for eNB/gNB (including vRAN/O-RAN variants). The role needs strong C/C++ and 3GPP PHY knowledge (modulation/coding, MIMO/beamforming, FFT/IFFT, channel estimation/equalization), plus experience with real-time embedded systems and fronthaul (CPRI/eCPRI) and L1 acceleration. Location: Bengaluru (Manyata) or Delhi NCR.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
02
Expertise in modulation, coding (FEC, Low Density Parity Check/ LDPC, Turbo decoding), MIMO, beamforming, Complex I/Q sample processing, FFT / IFFT, Channel estimation & equalization, Modulation / demodulation
03
Proficiency in C/C++, MATLAB, real time embedded systems, FPGA/ASIC/GPU/ based programming
04
Experience with fronthaul (CPRI/eCPRI) and L1 acceleration
05
PHY/RF software development experience
06
Additional years of driving delivery of 4G/5G L1 programs
07
Design and implement LTE/NR PHY algorithms and procedures
08
Review and Mentor high performance L1 teams towards delivery excellence in the following
09
Optimize L1 for latency, throughput, and CPU/DSP/GPU/FPGA utilization
10
Interface with Radio/RF, L2, and fronthaul subsystems
11
Debug PHY issues using logs, IQ capture, and lab equipment
12
Ability to drive large scale 4G/5G L1 product development, sustenance and customer support programs involving multiple variants of eNodeBs/gNodeBs in various forms including vRAN/ORAN/custom
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
LTE
Required
02
4G
Required
03
NR
Required
04
5G
Required
05
RAN
Required
06
L1
Required
07
Layer 1
Required
08
High PHY
Required
09
PHY
Required
10
DSP
Required
11
RF
Required
12
Antennas
Required
13
3GPP
Required
14
eNodeB
Required
15
gNodeB
Required
16
vRAN
Required
17
O-RAN
Required
18
CPRI
Required
19
eCPRI
Required
20
C
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
LTE/NR PHY Layer (L1 / High PHY)
RAN (eNodeB/gNodeB)
3GPP specifications (LTE/NR PHY)
C/C++ programming
DSP fundamentals for wireless PHY
Modulation/demodulation
Channel coding/FEC (LDPC, Turbo decoding)
MIMO and beamforming
Complex I/Q sample processing
FFT/IFFT
Channel estimation and equalization
Real-time embedded systems
Fronthaul: CPRI/eCPRI
L1 acceleration and optimization for latency/throughput/CPU utilization
PHY/RF software development
Debugging PHY issues using logs and IQ capture
Preferred
Nice to Have
MATLAB
FPGA/ASIC/GPU-based programming
Intel Xeon 6 processor
FlexRAN
vRAN
O-RAN
RF, antennas and lab equipment exposure
Experience driving delivery of 4G/5G L1 programs / mentoring L1 teams
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for LTE/5G NR PHY Layer (L1) Engineer - RAN
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