Careers

1. PROTOCOL ENGINEER-4G AND 5G STACK DEVELOPMENT

You are:
A graduate/ Post graduate in Electrical/ Communication or related disciplines with 2 to 7 years experience in development and testing.

Must:

• Hands on experience in development of L2 and L3 protocol stack of WiMAX, LTE or 5G NR
• Strong hands-on experience in C programming language
• Knowledge of programming within multi-threaded applications
• Experience in leading feature design and development
• Development and testing in Linux operating system environment
• Exposure to contemporary software engineering methods and processes
• Exposure to configuration management tools such as Git/SVN
• Knowledge of debugging tools such as Wireshark, gdb, other static/dynamic code analysis tool

Good to have:

• Excellent problem solving and troubleshooting & debugging skills
• Excellent analytical skill and critical thinking.
• Good written and verbal communication skills
• Know-how of socket programming and other IP mechanisms

1. FPGA DESIGN ENGINEER/ SENIOR ENGINEER/ LEAD ENGINEER

What you will do:
You will be part of a energetic team working of next generation and present day problems in the world of Wireless communication in the areas of Tactical communication, 4G and 5G. You will work on signal chain implementation on variety of wireless communication products, build cores and interfaces that enable high speed data paths and provide technical leadership in challenging design flows.

You are:
A graduate/ Post graduate in Electronics/ Electrical/ Instrumentation or related disciplines with 2 to 7 years experience in design and development of complex FPGA designs

Must:

• Be proficient in Verilog/ VHDL
• Posses good understanding of FPGA architectures – RFSoC/ Ultrascale/ Zynq, good understanding of STA, proficient in electrical interfaces of FPGA’s/ constraints
• Be proficient in signal processing/ networking/ connectivity IP Cores (Examples: 1G/ 10G Ethernet, JESD, PCIe, SRIO, Memory cores etc)
• Be proficient in Xilinx Vivado tool flow
• Be proficient in understanding of general processor, memory architectures and embedded peripherals
• Be proficient in understanding hardware and embedded interfaces for bringup
• Possess ability to clearly interact with Hardware, and embedded functions
• Be a good communicator in design and debug flows

Good to have:

• Understanding of communication signal chains
• Prior experience of working on Wireless communication system, Radio integration
• DSP fundamentals

III. HARDWARE DESIGN ENGINEER/ SENIOR ENGINEER/ LEAD ENGINEER

What you will do:
You will be part of a energetic team working of next generation and present day problems in the world of Wireless communication. You will work on building current and next generation hardware for tactical communication systems, 4G and 5G. You will build mixed signal boards that get into communication systems and provide technical leadership in challenging design flows.

You are:
A graduate/ Post graduate in Electronics/ Electrical/ Instrumentation or related disciplines with 2 to 7 years experience in digital and mixed signal design.

Must:

• Be proficient in Digital electronics and have built complex boards hands-on till bringup and deployment
• Posses good understanding of Hardware chip and peripheral architectures – Processors/ DSP/ FPGA/ Radio transceivers/ Codes.
• Be proficient in signal processing/ networking/ connectivity Peripherals
• Be proficient in schematic entry and CAD and SI tools for review
• Be proficient in using general lab equipment, CAD design flows
• Be proficient in understanding procedures for manufacturing, assembly and integration testing
• Possess ability to clearly interact with adjacent teams
• Be a good communicator in design and debug flows

Good to have:

• Deep understanding of the FPGA and DSP architectures
• Expertise in signal integrity for boards involving several Gigabit SERDES lanes and protocols
• Deep understanding of PCB design techniques for Network, RF and wireless systems

Physical Layer Senior Software Engineer

About Lekha:
Lekha Wireless is a Technology solutions company providing end-to-end solutions in the areas of Wireless communications for defense and industrial applications. We offer Product Engineering services to our customers in the area of HW and SW design. Lekha has IP portfolio includes reference designs, stacks or algorithms for BS and CPE side of equipment for 3G,4G and 5G that can be licensed to accelerate product development cycles. We provide consultancy for our customers for manufacturing, deploying and sustaining the products.

Lekha is currently expanding the current team for one of our esteemed clients in US. The project includes building Base Stations and Mobile Stations for highly customized dense industrial IOT network which would use features of 4G and 5G communication technology.

Job responsibilities:

• Design, development & verification of DSP firmware for Physical Layer of wireless protocol.
• Design, development & verification of various components of Physical Layer and their integration on multicore/multiprocessor DSP.
• Design, development & verification of interfaces between Physical Layer and higher layers, and radio front end modules.
• Collaborate with System engineering, Hardware, firmware and Verification teams during firmware design, feature development & verification.
• Implement & optimize signal processing modules / control firmware on DSP.
• Define & implement firmware interfaces, task scheduling across multicore/multiprocessor system with tight real-time constraints.
• Define, implement & debug unit/subsystem test cases.
• Integration of modules to the System under development.
• Actively support the analysis & debugging of issues arising out of various system, field, conformance and operator verification.

Qualifications and Experience:

• Bachelor/Masters in Engineering in Electronics and Communications/Telecommunications or related subjects.
• 2 to 5 years of hands-on embedded firmware development experience with focus on physical layer/DSP firmware on C or assembly programming.
• Strong programming and analytical Skills.
• Experience in physical layer aspects of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi.
• Experience in programming & debugging systems with tight Controller/DSP/HW accelerator interaction.
• Excellent written and verbal communication skills in English.
• Quick learner, team player and self-driven.

Preferred Skills/Experience

• Experience in fixed-point modeling, MIPS/Memory optimization.
• Experience in design and development on Multicore DSPs preferred.
• Experience in low level firmware, DSP board support packages, RTOS.
• Experience in signal processing (audio/image/video) and communication (wireless/wireline).
• Experience in algorithm design, system simulation is added value.
• Experience / familiarity in wireless systems such as 3GPP and 3GPP2 including Machine-to-Machine (M2M) / Internet of Things (IoT), relay, heterogeneous network, OFDMA, MIMO, interference management and cooperative network.
• Strong knowledge of core network and cross layers design and inter-dependency.

Physical Layer Software Engineer

About Lekha:
Lekha Wireless is a Technology solutions company providing end-to-end solutions in the areas of Wireless communications for defense and industrial applications. We offer Product Engineering services to our customers in the area of HW and SW design. Lekha has IP portfolio includes reference designs, stacks or algorithms for BS and CPE side of equipment for 3G,4G and 5G that can be licensed to accelerate product development cycles. We provide consultancy for our customers for manufacturing, deploying and sustaining the products.

Lekha is currently expanding the current team for one of our esteemed clients in US. The project includes building Base Stations and Mobile Stations for highly customized dense industrial IOT network which would use features of 4G and 5G communication technology.

Job responsibilities:

• Design, development & verification of DSP firmware for Physical Layer of wireless protocol.
• Implement & optimize signal processing modules / control firmware on DSP.
• Define, implement & debug unit/subsystem test cases.
• Integration of modules to the System under development.
• Actively support the analysis & debugging of issues arising out of various system, field, conformance and operator verification.

Qualifications and Experience:

• Bachelor/Masters in Engineering in Electronics and Communications/Telecommunications or related subjects.
• 0 to 2 years of hands-on embedded firmware development experience with focus on physical layer/DSP firmware on C or assembly programming.
• Strong programming and analytical Skills.
• Prior experience in physical layer aspects of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi is added value.
• Experience in programming & debugging systems with tight Controller/DSP/HW accelerator interaction.
• Excellent written and verbal communication skills in English.
• Quick learner, team player and self-driven.

Preferred Skills/Experience:

• Experience in fixed-point modeling, MIPS/Memory optimization.
• Experience in low level firmware, DSP board support packages, RTOS.
• Experience / familiarity in signal processing (audio/image/video) and communication (wireless/wireline).
• Experience in algorithm design, system simulation is added value.
• Experience in design and development on Multicore DSPs is added value.
• Experience / familiarity in wireless systems such as 3GPP and 3GPP2 including Machine-to-Machine (M2M) / Internet of Things (IoT), relay, heterogeneous network, OFDMA, MIMO, interference management and cooperative network is added value.
• Knowledge of core network and cross layers is added value.

Physical Layer Tech Lead

About Lekha:
Lekha Wireless is a Technology solutions company providing end-to-end solutions in the areas of Wireless communications for defense and industrial applications. We offer Product Engineering services to our customers in the area of HW and SW design. Lekha has IP portfolio includes reference designs, stacks or algorithms for BS and CPE side of equipment for 3G,4G and 5G that can be licensed to accelerate product development cycles. We provide consultancy for our customers for manufacturing, deploying and sustaining the products.

Lekha is currently expanding the current team for one of our esteemed clients in US. The project includes building Base Stations and Mobile Stations for highly customized dense industrial IOT network which would use features of 4G and 5G communication technology.

Job responsibilities:

• Design, development & verification of DSP firmware for Physical Layer of wireless protocol.
• Define, architect and implement Physical Layer for non-standard / highly customizable wireless protocols involving various waveforms.
• Define and implement various components of Physical Layer and their integration on multicore/multiprocessor DSP.
• Define and implement interfaces between Physical Layer and higher layers, and radio front end modules.
• Collaborate with System engineering, Hardware, firmware and Verification teams during firmware design, feature development & verification.
• Implement & optimize signal processing modules / control firmware on DSP.
• Define & implement firmware interfaces, task scheduling across multicore/multiprocessor system with tight real-time constraints.
• Define, implement & debug unit/subsystem test cases.
• Integration of modules to the System under development.
• Actively support the analysis & debugging of issues arising out of various system, field, conformance and operator verification.
• Mentoring and managing small to mid-sized team.

Qualifications and Experience:

• Bachelor/Masters in Engineering in Electronics and Communications/Telecommunications or related subjects.
• 6+ years of hands-on embedded firmware development experience with focus on physical layer/DSP firmware on C or assembly programming.
• Strong programming and analytical Skills.
• Experience in physical layer aspects of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi.
• Experience in programming & debugging systems with tight Controller/DSP/HW accelerator interaction.
• Excellent written and verbal communication skills in English.
• Quick learner and self-driven.

Preferred Skills/Experience:

• Experience in fixed-point modeling, MIPS/Memory optimization.
• Experience in design and development on Multicore DSPs preferred.
• Experience in low level firmware, DSP board support packages, RTOS.
• Deep expertise of OFDM waveforms and cellular network is preferred.
• Experience in signal processing (audio/image/video) and communication (wireless/wireline).
• Experience in algorithm design, system simulation is added value.
• Ability to dig deep into the specification and contribution to modification of the standard specifications.
• Experience / familiarity in wireless systems such as 3GPP and 3GPP2 including Machine-to-Machine/Internet of Things, relay, heterogeneous network, OFDMA, MIMO, interference management and cooperative network.
• Strong knowledge of core network and cross layers design and inter-dependency.
• 2-3 years of experience is mentoring and managing small to mid-sized team is preferred.

Job Description

• Design, development & verification of DSP firmware for Physical Layer of wireless protocol.
• Design, development & verification of various components of Physical Layer and their integration across Processor-FPGA
• Design, development & verification of interfaces between Physical Layer and higher layers, and radio front end modules.
• Collaborate with System engineering, Hardware, firmware and Verification teams during firmware design, feature development & verification.
• Implement & optimize signal processing modules / control firmware on DSP.
• Define, implement & debug unit/subsystem test cases.
• Integration of modules to the System under development.
• Actively support the analysis & debugging of issues arising out of field trials

Qualifications and Experience:

• Bachelor/Masters in Engineering in Electronics and Communications/Telecommunications or related subjects.
• 2 to 5 years of hands-on Experience in programming & debugging systems with tight Controller/DSP/HW accelerator interaction.
• Strong programming and analytical Skills.
• Experience in algorithm design, system simulation and testing on MATLAB preferred.
• Experience in physical layer aspects of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi.
• Excellent written and verbal communication skills in English.
• Quick learner, team player and self-driven.

• Experience in developing desktop and Web applications
• Knowledge of   HTML/ CSS, JavaScript, XML, jQuery, JSON
• Good JAVA or Python programming skills and JavaScript frameworks such as Angular, React or Node.js
• Familiarity with MySQL  database, JDBC Concepts,web servers (e.g. Apache/Tomcat) and UI/UX design
• Working experience with EMS/NMS applications and SNMP/YANG-Netconf is a value add
• Excellent communication and teamwork skills
• Organizational skills

For freshers

• BTech/MTech (CS/IT/ECE)
• Good logical reasoning and problem solving skills
• Basics Python/Java/C++ programming , Good C Programmers also can be considered
• Familiarity with HTML
• Familiarity with Java Script/Angular/Vue/React is an added advantage
• Basic Knowledge with any database (Oracle, MySql ,MongoDB … )

Required Skills & Knowledge:

• • Knowledge of wireless communication systems
  • Knowledge of LTE physical layer
  • Knowledge of DSP – TI DSP preferred.
  • Good ‘C’ programming skills
  • Familiarity with debugging and debugging tools and test equipments.
  • Matlab and usage of tools like Agilent Vector Signal Generators and Analyzers.

Essential Duties & Responsibilities:

• • • Understand the requirement specifications and implement the changes in ‘c’ code in an optimised form and carry out testing at Unit level, module level and integration.
    • Activity must be delivered with quality as per the schedule requirement.
    • Follow the processes w.r.t design and development.

Experience: – 2 – 5 years

Required Skills and Knowledge :
1. LTE High Level Knowledge.
2. Development Experience in Multithreaded Systems.
3. Prior Development Experience in LTE Mac and MAC Scheduler.
4. Exposure to RLC and PDCP.
5. Knowledge of RRM, S1AP and RRC modules
6. Good Exposure to L1 and L2 Interface, preferabaly FAPI Interface Knowledge.
7. Good Programming Skills.
8. Scripting skills.
9. IP Networking.

Essential Duties & Responsibilities:

• Understand the requirement specifications and implement the changes in ‘c’ code in an optimised form and carry out testing at Unit level,
  module level and integration.
• Activity must be delivered with quality as per the schedule requirement.
• Follow the processes w.r.t design and development.

Experience: – 2 – 5 years

Required Skills and Knowledge :

• LTE domain knowledge
• Familiar with 3GPP specifications.
• Good understanding of LTE(PHY,MAC,RRC) layers, air interface and calls processing, QoS concepts.
• Familiar with SIP, IMS standards.
• Familiar testing concepts for wireless products.
• Air interference, Mobility testing experience in LTE (UE/eNode-B).
• Well versed with tools like – Channel emulators/VSG/VSA, QXDM, Wireshark etc.
• Experience in analyzing logs, troubleshooting issues from field or lab
• Good log analysis skills to point out problem scenarios
• Working knowledge on windows and linux and basic scripting(perl,shell)

Essential Duties & Responsibilities:

• Lab planning for mobility test setups
• Developing and execution of test cases for LTE eNB and UE
• Filing and reporting/tacking defects for failed test cases
• Follow up with DEV team for open defects
• Build and Release process

Experience: – 2 – 5 years

About Lekha:
Lekha Wireless is a Technology solutions company providing end-to-end solutions in the areas of Wireless communications for defense and industrial applications. We offer Product Engineering services to our customers in the area of HW and SW design. Lekha has IP portfolio includes reference designs, stacks or algorithms for BS and CPE side of equipment for 3G,4G and 5G that can be licensed to accelerate product development cycles. We provide consultancy for our customers for manufacturing, deploying and sustaining the products.
Lekha is currently expanding the current team for one of our esteemed clients in US. The project includes building Base Stations and Mobile Stations for highly customized dense industrial IOT network which would use features of 4G and 5G communication technology.

Job responsibilities:

• Requirements gathering and understanding to prepare software/system requirement specification document.
• Determine and define the project scopes and objectives.
• Determine the resources needed for the timely and successful execution of the project.
• Develop and manage a detailed project schedule and work plan.
• Utilize industry best practices, techniques, and standards throughout entire project execution.
• Building strong, motivated and goal driven team.
• Communicate clearly about the project plan, status and updates with various stakeholders.
• Collaborate and synchronize the various teams like System engineering, Hardware, firmware and Verification teams.
• Monitor progress and make improvisations as needed.
• Interact with customers for regular updates and product feedback and improvisations.
• Measure project performance to identify areas for improvement.

Qualifications and Experience:

• Bachelor/master’s in engineering in Electronics and Communications/Telecommunications or related subjects.
• Excellent written and verbal communication skills in English.
• Strong management and analytical Skills.
• Strong interpersonal skills and extremely resourceful.
• Minimum 10 years of experiences, with minimum 3 years of project management experience.
• 3 to 4 years of wireless Industry experience.
• Knowledge of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi is preferred.

Preferred Skills/Experience:

• Experience in Project management tools like Microsoft project.
• Understanding or various product testing, quality analysis.
• Experience in bug tracking tools like Bugzilla, Jira etc.
• Experience in wireless communication domain is preferred.

About Lekha:
Lekha Wireless is a Technology solutions company providing end-to-end solutions in the areas of Wireless communications for defense and industrial applications. We offer Product Engineering services to our customers in the area of HW and SW design. Lekha has IP portfolio includes reference designs, stacks or algorithms for BS and CPE side of equipment for 3G,4G and 5G that can be licensed to accelerate product development cycles. We provide consultancy for our customers for manufacturing, deploying and sustaining the products.
Lekha is currently expanding the current team for one of our esteemed clients in US. The project includes building Base Stations and Mobile Stations for highly customized dense industrial IOT network which would use features of 4G and 5G communication technology.

Job responsibilities:

• Requirements gathering and understanding to prepare software/system requirement specification document.
• Determine and define the project scopes and objectives.
• Determine the resources needed for the timely and successful execution of the project.
• Develop and manage a detailed project schedule and work plan.
• Utilize industry best practices, techniques, and standards throughout entire project execution.
• Building strong, motivated and goal driven team.
• Communicate clearly about the project plan, status and updates with various stakeholders.
• Collaborate and synchronize the various teams like System engineering, Hardware, firmware and Verification teams.
• Monitor progress and make improvisations as needed.
• Interact with customers for regular updates and product feedback and improvisations.
• Measure project performance to identify areas for improvement.

Qualifications and Experience:

• Bachelor/master’s in engineering in Electronics and Communications/Telecommunications or related subjects.
• 3 to 4 years of wireless communication project management and related experience.
• Excellent written and verbal communication skills in English.
• Strong management and analytical Skills.
• Strong interpersonal skills and extremely resourceful.
• Experience in physical layer aspects of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi.
• 6+ years of hands-on embedded firmware development experience with focus on physical layer/DSP firmware.
• Experience in programming & debugging systems with tight Controller/DSP/HW accelerator interaction.

Preferred Skills/Experience:

• Experience in Project management tools like Microsoft project.
• Understanding or various product testing, quality analysis.
• Experience in bug tracking tools like Bugzilla, Jira etc.
• Experience in wireless communication domain is preferred.
• Experience in TI or analog DSPs is preferred.

• Ability to create test tools and data analysis/processing scripts using Perl, Python, Matlab, and/or C/C++, automation, manual test scripting.
• Familiar with Windows and Linux/UNIX OS, and Windows based applications, including Microsoft PowerPoint, Word, and Excel. Must be capable of learning the use of new applications quickly
• Basic understanding of wireless systems a plus
• Familiar with RF measurement equipment (like signal generator or spectrum analyzer) a plus
• Team player with excellent organizational skills
• Solid verbal and written communication skills
• Ability to multitask, rapidly respond to changes in requirements as well as operate with project deadlines and time constraints

BE/ B.Tech (CS/ECE)

• 0 to 3 years of experience in wireless testing domain(GSM/WIMAX/LTE/GPS).
• Relevant experience in any one of the scripting languages such as Python, Perl, Tcl, etc.
• Conversant with various test tools, packet analyzers, Signal Analyzers/Generators.
• Good communication skills, aptitude to troubleshoot issues and ability to drive the projects independently with minimum supervision.
• Aggregate percentage above 60%

About Lekha:
Lekha Wireless is a Technology solutions company providing end-to-end solutions in the areas of Wireless communications for defense and industrial applications. We offer Product Engineering services to our customers in the area of HW and SW design. Lekha has IP portfolio includes reference designs, stacks or algorithms for BS and CPE side of equipment for 3G,4G and 5G that can be licensed to accelerate product development cycles. We provide consultancy for our customers for manufacturing, deploying and sustaining the products.
Lekha is currently expanding the current team for one of our esteemed clients in US. The project includes building Base Stations and Mobile Stations for highly customized dense industrial IOT network which would use features of 4G and 5G communication technology.

Job responsibilities:

• Design, development & verification of DSP firmware for Physical Layer of wireless protocol.
• Design, development & verification of various components of Physical Layer and their integration on multicore/multiprocessor DSP.
• Design, development & verification of interfaces between Physical Layer and higher layers, and radio front end modules.
• Collaborate with System engineering, Hardware, firmware and Verification teams during firmware design, feature development & verification.
• Implement & optimize signal processing modules / control firmware on DSP.
• Define & implement firmware interfaces, task scheduling across
  multicore/multiprocessor system with tight real-time constraints.
• Define, implement & debug unit/subsystem test cases.
• Integration of modules to the System under development.
• Actively support the analysis & debugging of issues arising out of various system, field, conformance and operator verification.

Qualifications and Experience:

• Bachelor/Masters in Engineering in Electronics and Communications/Telecommunications or related subjects.
• 2 to 5 years of hands-on embedded firmware development experience with focus on physical layer/DSP firmware on C or assembly programming.
• Strong programming and analytical Skills.
• Experience in physical layer aspects of any of the cellular radio standards 2G/3G/CDMA/WiMAX/WCDMA/LTE/5G or Wi-Fi.
• Experience in programming & debugging systems with tight Controller/DSP/HW accelerator interaction.
• Excellent written and verbal communication skills in English.
• Quick learner, team player and self-driven.

Preferred Skills/Experience

• Experience in fixed-point modeling, MIPS/Memory optimization.
• Experience in design and development on Multicore DSPs preferred.
• Experience in low level firmware, DSP board support packages, RTOS.
• Experience in signal processing (audio/image/video) and communication
  (wireless/wireline).
• Experience in algorithm design, system simulation is added value.
• Experience / familiarity in wireless systems such as 3GPP and 3GPP2 including Machine-to-Machine (M2M) / Internet of Things (IoT), relay, heterogeneous network, OFDMA, MIMO, interference management and cooperative network.
• Strong knowledge of core network and cross layers design and inter-dependency.

Objectives

• Algorithm modelling, performance analysis, design architecture, system and link level simulation analysis
• Engineering support, testing and verification support, field data analysis
• IP creation, 3GPP/IEEE Standards contribution Qualification
• TL (Bachelors/Masters with 4-6 yrs, PhD with 0-4 yrs)
• Sr. Engg (Bachelors/Masters with 2-4 yrs)
• Engg (Bachelors/Masters with 0-2 yrs) Requirements
• Engg / Sr. Engg / Team Lead

o Bachelors/Masters from IISc, IIT, IIIT, NIT, Top State Universities

• E&C, Comm & Signal Processing, Telecom

o CGPA & 8/10
o Good analytical skills
o Very good theoretical skills in signal processing, communication systems, wireless domain

• Good background in networks, data analytics and control systems is an added plus

o Project/thesis related to wireless comm.

• Exposure and working knowledge of the following is desirable
• IEEE and 3GPP standards

o 3GPP LTE, 3GPP 5G, IEEE 802.16, IEEE 802.11

• CDMA, DVB, Satellite & Radar signal processing, Navigation
  technologies (GPS, GNSS, etc)
• Filter design, MIMO, beamforming, synchronization mechanisms, channel estimation/equalization, error correction techniques

o MATLAB, C and Python programming languages
o Good written and oral speaking skills