Senior RF Hardware Engineer Job in Bengaluru | L&T Semiconductor Technologies Careers

September 1, 2025 Indianjobhub

Senior RF Hardware Engineer Job Opportunity at L&T Semiconductor Technologies, Bengaluru

Introduction

L&T Semiconductor Technologies Limited (LTST), a division of the globally renowned Larsen & Toubro, is seeking a Senior RF Hardware Engineer to strengthen its advanced Research & Development (R&D) initiatives in Bengaluru. This role is designed for experienced RF professionals who have a passion for wireless communication technologies, RF and microwave circuit design, and system-level performance optimization.

The position is ideal for individuals with 4 to 7 years of experience in RF engineering who are eager to work on next-generation solutions across 4G LTE, 5G NR, Wi-Fi, Bluetooth, GNSS, and mmWave technologies. As part of the L&T Semiconductor engineering team, the selected candidate will contribute to the design, simulation, testing, and deployment of RF systems that meet global standards and support high-performance applications.

Role Overview

In the role of Senior RF Hardware Engineer, you will be instrumental in transforming innovative RF design concepts into reliable, real-world solutions. Your expertise will contribute to RF front-end design, prototyping, PCB layout, validation, and certification processes. The role requires not only technical proficiency but also strong problem-solving skills, attention to detail, and the ability to collaborate with multidisciplinary teams.

This is a full-time opportunity in Bengaluru, India’s thriving technology hub, where semiconductor and wireless communication research is advancing rapidly.

Key Responsibilities

1. RF & Microwave Circuit Design

Design, develop, and optimize RF and microwave circuits, including amplifiers, filters, mixers, couplers, oscillators, power dividers, and antennas.
Ensure high-frequency PCB designs comply with performance and manufacturing standards.
Collaborate with hardware teams for schematic capture and PCB layout.

2. Simulation & Analysis

Conduct advanced simulations using Keysight ADS, Ansys HFSS, CST Microwave Studio, or equivalent tools.
Perform link budgeting, Smith chart analysis, and impedance matching.
Perform detailed evaluation of RF performance through S-parameter measurements and refinements.

3. Testing & Validation

Validate designs through hands-on prototyping, lab testing, and debugging.
Operate test equipment such as Vector Network Analyzers (VNA), Spectrum Analyzers, Signal Generators, Oscilloscopes, Multimeters, and Communication Analyzers.
Conduct detailed transmitter chain testing: ACLR, EVM, CCDF, frequency error, occupied bandwidth, and emission testing.
Verify receiver chain performance: gain, noise figure, dynamic range, blocking resilience, and out-of-band rejection.

4. Conformance & Certification

Perform protocol conformance testing (PCT) and radio conformance testing (RCT).
Support compliance with international regulatory standards such as FCC, CE, and other industry certifications.
Document test results, generate design reports, and prepare datasheets for review.

5. System Integration & Troubleshooting

Collaborate with cross-functional teams to ensure seamless system integration of RF designs with digital, analog, and software modules.
Tune and refine wireless interfaces to deliver optimal reliability and top-tier performance.
Troubleshoot complex RF-related issues and propose engineering solutions.

Required Skills & Qualifications

Candidates applying for this role should bring the following qualifications and expertise:

Educational Background: Bachelor’s degree in Electrical Engineering, Electronics Engineering, or a closely related discipline.
Experience: Minimum of 3–4 years in RF/microwave design and development, ideally within wireless communication projects.
Core Knowledge:
- Strong fundamentals in RF design principles, including Smith charts, impedance matching, and transmission line theory.
- Proficiency in RF simulation software such as ADS, HFSS, CST, etc.
- Familiarity with CAD tools including Altium Designer or Cadence Allegro.
Testing Expertise: Hands-on experience using industry-standard instruments like VNA, Spectrum Analyzer, and Signal Generator.
Documentation Skills: Ability to generate detailed technical documentation, design reports, and compliance records.

Preferred Qualifications

The below qualifications, while optional, can significantly strengthen your profile:

Antenna Design: Experience in antenna design, testing, and optimization for multiple bands.
EMI/EMC Considerations: Knowledge of electromagnetic compatibility and interference issues in RF systems.
High-Frequency PCB Design: Familiarity with design constraints in high-speed PCB manufacturing.
Analytical Strength: Strong mathematical and simulation-based approach to RF problem-solving.
Communication Skills: Ability to clearly communicate technical concepts to both technical and non-technical stakeholders.

Career Growth & Opportunities

Working at LTST as a Senior RF Engineer provides opportunities to:

Contribute to cutting-edge R&D projects in the semiconductor and wireless communication domain.
Work hands-on with next-generation innovations such as 5G NR, millimeter-wave solutions, and cutting-edge antenna technologies.
Collaborate with global certification bodies and industry leaders to ensure compliance and innovation.
Advance your expertise through structured training programs, technical workshops, and collaboration with leading professionals in RF and semiconductor fields.
Take part in the broader mission of advancing India’s semiconductor ecosystem, with L&T playing a significant role in innovation and self-reliance.

Why Join L&T Semiconductor Technologies?

L&T Semiconductor Technologies Limited is part of the Larsen & Toubro Group, known for engineering excellence, innovation, and global presence. By joining LTST:

You will work in a world-class R&D environment focused on solving real-world challenges.
You will work with global compliance protocols and industry-standard testing frameworks.
You will collaborate with talented engineers and industry experts across disciplines.
You will be part of projects that contribute to next-generation communication systems and semiconductor innovation.

About the Work Location – Bengaluru

The position is based in Bengaluru, India’s leading technology hub. Known as the “Silicon Valley of India,” Bengaluru offers:

A thriving semiconductor and electronics ecosystem.
Work alongside leading scholars and researchers through institutional partnerships.
A vibrant startup culture that complements large-scale innovation.
Excellent quality of life with global connectivity and diverse cultural exposure.

Industry Trends in RF Engineering

With rapid advancements in wireless communication, the need for talented RF engineers is growing faster than ever before. Industry trends shaping this role include:

5G & Beyond: The transition to 5G NR and the exploration of 6G networks require innovative RF solutions.
IoT & Smart Devices: With billions of connected devices, efficient and low-power RF design is essential.
mmWave Communication: Growing adoption of millimeter-wave bands for high-speed connectivity.
Satellite Communication: Emerging interest in low-earth orbit (LEO) satellite networks for global broadband.
AI in RF Systems: Use of artificial intelligence and machine learning for RF optimization and predictive maintenance.

By joining L&T Semiconductor Technologies, you will be at the forefront of these developments, working on projects that define the future of wireless communication.

Application Details

Job Title: Senior RF Hardware Engineer
Job Code: LNT/SRHE/1460715
Location: LTST, Bengaluru
Experience Required: 4 – 7 years
Minimum Qualification: Bachelor of Engineering (BE) in Electrical/Electronics Engineering or related field
Employment Type: Full-time
Application Dates:
- Posted On: 31st August 2025
- Application End Date: 27th February 2026

Conclusion

The role of Senior RF Hardware Engineer at L&T Semiconductor Technologies, Bengaluru, is a prestigious opportunity for professionals passionate about RF circuit design, wireless communication technologies, and semiconductor innovation. It offers the perfect blend of technical challenges, professional growth, and contribution to global communication advancements.

If you are a driven engineer with strong expertise in RF/microwave design, simulation, and testing, this role is your gateway to joining a world-class R&D team shaping the future of wireless communication.

Apply Here

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