
About TEJAS NETWORKS LIMITED
About
Tejas Networks designs, develops and manufactures high-performance and future-ready optical and data networking products that are sold to telecommunications service providers, web-scale internet companies, utilities, large enterprises, defence and government entities in more than 60 countries. Tejas products are differentiated by a programmable, software-defined hardware™ architecture that provides flexibility, multi-generation support and a seamless software-enabled network transformation to its customers. Tejas is ranked amongst top-10 vendors in the global optical aggregation market.
Connect with the team
Similar jobs
MANDATORY CRITERIA:
- Education: B.Tech / M.Tech in ECE / CSE / IT
- Experience: 10–12 years in hardware board design, system hardware engineering, and full product deployment cycles
- Proven expertise in digital, analog, and power electronic circuit analysis & design
- Strong hands-on experience designing boards with SoCs, FPGAs, CPLDs, and MPSoC architectures
- Deep understanding of signal integrity, EMI/EMC, and high-speed design considerations
- Must have successfully completed at least two hardware product development cycles from high-level design to final deployment
- Ability to independently handle schematic design, design analysis (DC drop, SI), and cross-team design reviews
- Experience in sourcing & procurement of electronic components, PCBs, and mechanical parts for embedded/IoT/industrial hardware
- Strong experience in board bring-up, debugging, issue investigation, and cross-functional triage with firmware/software teams
- Expertise in hardware validation, test planning, test execution, equipment selection, debugging, and report preparation
- Proficiency in Cadence Allegro or Altium EDA tools (mandatory)
- Experience coordinating with layout, mechanical, SI, EMC, manufacturing, and supply chain teams
- Strong understanding of manufacturing services, production pricing models, supply chain, and logistics for electronics/electromechanical components
DESCRIPTION:
COMPANY OVERVIEW:
The company is a semiconductor and embedded system design company with a focus on Embedded, Turnkey ASICs, Mixed Signal IP, Semiconductor & Product Engineering and IoT solutions catering to Aerospace & Defence, Consumer Electronics, Automotive, Medical and Networking & Telecommunications.
REQUIRED SKILLS:
- Extensive experience in hardware board designs and towards multiple product field deployment cycles.
- Strong foundation and expertise in analyzing digital, Analog and power electronic circuits.
- Proficient with SoC, FPGAs, CPLD and MPSOC architecture-based board designs.
- Knowledgeable in signal integrity, EMI/EMC concepts for digital and power electronics.
- Completed at least two project from high-level design to final product level deployment.
- Capable of independently managing product’s schematic, design analysis DC Drop, Signal Integrity, and coordinating reviews with peer of layout, mechanical, SI, and EMC teams.
- Sourcing and procurement of electronic components, PCBs, and mechanical parts for cutting-edge IoT, embedded, and industrial product development.
- Experienced in board bring-up, issue investigation, and triage in collaboration with firmware and software teams.
- Skilled in preparing hardware design documentation, validation test planning, identifying necessary test equipment, test development, execution, debugging, and report preparation.
- Effective communication and interpersonal skills for collaborative work with cross-functional teams, including post-silicon bench validation, BIOS, and driver development/QA.
- Hands-on experience with Cadence Allegro/Altium EDA tools is essential.
- Familiarity with programming and scripting languages like Python and Perl, and experience in test automation is advantageous.
- Should have excellent exposure with coordination of Manufacturing Services, pricing model for production value supply chain & Logistics in electronics and electromechanical components domain.
Role: Sr. Principle Engineer -Firmware
Experience: 8 to 10 Yrs.
Job description:
Primary skills:
- At least 8 years of working experience on embedded firmware development
- Experience in multithreaded programming, network programming (wired and wireless protocols), real-time programming, cross-platform and cross-language development
- Prior experience with overseeing board bring-up and validation
- Hands-on experience on driver development for various sensors,Flash,PMIC
- Working knowledge of communication protocols like UART, I2C, SPI, USB, Ethernet, etc
- Product development experience with range of microcontroller/microprocessor architectures, adoption of bare-metal, RTOS and Linux operating systems on new platforms
- Minimum 2+ years of experience doing hands-on software development in Bluetooth domain; application, framework, Bluetooth stack or drivers
- Working Experience In display driver development with MIPI/LVDS/QSPI will be a value addition
- Experience with hardware lab equipment such as digital scope, logic analyser and JTAG
- Understanding of embedded development constraints and system performance
- Hands-on Experience on System level integration
- Experience with programming in C/C++/python
- Experience in reading schematics
Secondary skills:
- Version Control System
- Working experience on BLE SoC like Nordic, Ambiq, Dailog
- Bug Tracking

Responsibilities:
You will get a chance to create products from scratch. While you will get the advantage of the scale of the organization, you are expected to come up with creative solutions to challenging problems.
On a typical day, you'd work with highly skilled engineers to solve complex problems. This is an early-stage initiative. Your ability to translate business requirements, and develop and demonstrate quick prototypes or concepts with other technology teams will be of great value.
You will learn and work on a variety of languages such as C/C++, python, and Linux as well as work on BLE, MEMS, biometric sensors, and the latest wireless technologies.
Requirements:
6+ years of Embedded firmware development experience in C/C++
BLE/GPS/GSM/RTOS stack expertise
Hands-on experience with Lab equipment (VNA/RSA/MSO etc).
Testing environment setup using automation scripts and networking equipment, practices for the full software development life cycle, including coding standards, code reviews, source control management, continuous
Familiar with Wireless/IoT network protocols and standards.
Experience with microcontrollers, sensors, and serial communication.
Preferred experience with wearOS/TizenSuperior presentation and communication skills, both written and verbal
Bachelor/Masters's degree in electrical/electronic/communications engineering, information technology, physics, or a related field from
Tier 1 Tier 2 Engineering colleges only (IITs/NITs/IIITs/BITS etc. )
Result-oriented and ready to take ownership. Exhibit strong team
Responsibilities:
- Design and implement embedded software applications for IoT devices using C programming language.
- Develop and maintain firmware for Raspberry Pi-based systems, ensuring optimal performance and compatibility with various IoT sensors and peripherals.
- Collaborate with hardware engineers to define and document system requirements and specifications.
- Conduct thorough testing and debugging of embedded software to identify and resolve any issues or bugs.
- Optimize code and improve system performance to enhance the overall user experience.
- Stay updated with the latest industry trends and technologies in embedded systems and IoT development.
- Work closely with the product management team to translate customer requirements into technical specifications.
- Provide technical support and guidance to the team during the development and deployment phases.
- Participate in code reviews and contribute to the continuous improvement of software development processes.
Qualifications:
- Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field.
- Strong proficiency in C programming language with a solid understanding of embedded systems.
- Experience developing software for Raspberry Pi or similar single-board computers.
- Knowledge of IoT protocols and technologies such as MQTT, CoAP, TCP/IP, and wireless communication (Wi-Fi, Bluetooth, etc.).
- Familiarity with various sensors, actuators, and electronic components commonly used in IoT devices.
- Solid understanding of software development methodologies and version control systems (e.g., Git).
- Strong problem-solving skills and the ability to debug complex issues in embedded systems.
- Excellent communication and teamwork skills to collaborate effectively with cross-functional teams.
- Prior experience in developing IoT applications or working on IoT projects is a plus.
- 32-bit Microcontroller knowledge is essential (ARM Cortex based micro-controllers (STM32).
- Esp32 architecture knowledge is essential.
- Strong experience in C, C++, Free-RTOS
- Strong experience in CUBEMX IDE, MDK Version 5 – Keil, Arduino IDE environment
- Good knowledge in HW and communication protocols like CAN, SPI, UART, I2C, USB
- Good knowledge in TFT Displays and Sensors is added advantage
- Good knowledge of implementation of motor controls as required, pulse width modulation schemes (PWM).
- Good knowledge of power electronics (TRIACs, MOSFETs, IGBTs, gate drivers) and require protections (Over/under voltage/current).
- Document firmware designs, specifications, test plans, revisions and produce test reports
QUALIFICATIONS: B.E./ B.Tech. (Electronics/ Electrical/ Mechatronics/ Mechanical)
EMPLOYMENT: Permanent / Full Time
LOCATION: Ahmedabad
EXPERIENCE: 1 to 3 years within automotive industry / software development.
ROLES AND RESPONSIBILITIES
- Develop, Debug simulink/stateflow models according to functional, technical requirements, MAAB guidelines.
- Derive software requirements from system level requirements and establish bi-directional traceability within the models and generated code.
- Generate Code from developed models, generate test vectors, automate tests and document code reviews, test results.
- Automate the data exchange flow between MATLAB models, excel sheets, code testing using m-scripts.
SKILLS AND EXPERIENCE
- Experience in model based development and testing using Mathwork Tools such as MATLAB/Simulink, Stateflow, autocode generation tools Embedded coder or TargetLink.
- Good understanding of the Automotive software development cycle and tool chains
- Should possess a good understanding of C coding, m-scripting, with good debugging and software testing skills.
- Experience in developing MATLAB/ Simulink models from scratch for automotive applications.
- Should have experience in requirements management, and be able to write test cases from them.
- Experience in MBD testing such as MIL/ SIL/PIL.
- Good communication skills in English and Hindi Language.
- Experience in MATLAB verification and validation toolbox like Simulink Design Verifier, Simulink Test, Simulink Coverage is advantageous.
- Basic understanding of Control System Design and Electric Vehicles is a plus.
DUTIES & RESPONSIBILITIES
- Own & lead full cycle development: design, implementation, testing & debugging for an automotive product.
- Create conceptual system designs, assess risks, conduct design trade studies, and develop a product that meets feature requirements for integrating sensor, processing and software systems.
- Lead innovative system development projects with responsibility for achievement of cost, schedule, and technical requirements, with an eye toward technology maturation, transition, and follow on work.
- Generate comprehensive engineering documentation.
- Responsible for end-to-end system firmware development to include power management, boot loaders, scheduling, RTOS and /or bare metal implementations.
- Troubleshoot and resolve complex software problems in embedded real-time systems.
- Source code development, review & maintenance (C/C++).
- Dive into & take ownership of critical design issues.
- Analyse & propose solutions for performance bottlenecks.
- Address all aspects of technology readiness, including manufacturability.
- Help build robust methodology and processes to deliver the technology to products.
REQUIRED SKILLS & EXPERIENCE
- Experience in embedded architecture, external interfaces, product constraints, along with ability to develop architectures / features that meet these constraints while providing new value for the platform.
- Experience in system architecture, operating system, device architecture, hardware design.
- Strong background in software methodology & full cycle development (Design, implementation, testing & debugging).
- Expertise in embedded microcontrollers’ architecture.
- Expertise in software designing and programming in C/C++ is a must.
- Algorithm modelling, benchmarking, implementation & digital signal processing.
- Understanding of hardware & software co-verification & emulation platforms
- Experience in understanding hardware, clock-level issues, bridges, delays, interrupts, clock gating, polling etc.
- Experience with lab instrumentation like oscilloscope, logic/ protocol for debugging embedded systems at HW level.
- Bachelors | Masters degree in Computer Science or Electronics & Communication engineering with 2-5 years of relevant experience is a must.







