
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.
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Position: Senior Embedded Software Engineer – PCIe / Embedded Linux
Location: Bangalore (Preferred)
Experience: 7+ years
Night Shift
About the Role:
We are seeking a highly skilled Senior Embedded Engineer with strong expertise in Embedded Linux and PCIe protocol development. The ideal candidate will have deep technical knowledge of PCIe (Gen4 and above) and experience in developing and debugging embedded systems at both hardware and software levels. Exposure to AI/ML or accelerator-based systems will be considered a strong plus.
Key Responsibilities:
- Design, develop, and optimize embedded software on Linux and RTOS platforms.
- Implement and validate PCIe-based communication and device drivers (Gen4 minimum, Gen5/6 preferred).
- Work closely with hardware and system teams to debug low-level issues related to PCIe interfaces.
- Develop firmware and system-level software components for high-performance embedded platforms.
- Participate in board bring-up, performance optimization, and hardware/software integration.
- Contribute to system architecture discussions and design reviews.
- Document design, testing procedures, and performance analysis.
Core Skills Required:
- Embedded Linux development (mandatory).
- Deep understanding of PCIe protocols (Gen4 minimum; Gen5/6 preferred).
- Strong knowledge of low-level driver development, DMA, interrupts, and memory management.
- Experience with Embedded RTOS environments.
- Familiarity with hardware debugging tools (e.g., JTAG, logic analyzers, oscilloscopes).
- Proficiency in C/C++ and scripting (Python, Shell).
- Excellent problem-solving and debugging skills.
Preferred Skills (Good to Have):
- Exposure to AI/ML hardware accelerators or data processing units (DPUs).
- Understanding of SoC architecture and high-speed interconnects.
- Experience working with multi-core systems and performance tuning.
Education:
- Bachelor’s or Master’s degree in Computer Engineering, Electronics, or related field.
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.
What You'll Do
● Develop embedded system architecture that is efficient and scalable
● Develop multi-device system design, envision customer interaction, and corner cases to build issue-free design
● Develop firmware code for Interrupt driven system which interacts with Android and cloud
● Implement function safety, protection and security in the embedded system
● Implement predictive hardware failure features
Who You Are?
● Passionate individual who loves to work on embedded systems. a person who likes to drive things actively rather than waiting for tasks to get assigned.
● Strong programming capabilities
● Understanding of electronics and hardware
● Clear thought process, believe in simplifying rather than complicating
● Argue and fight over the opinions. Believe in delivering the best for the users
You Should Have
● 3+ year experience in embedded system design
● Mastery in C/C++ for embedded systems. Strong fundamentals of Microcontrollers and their common peripherals.
● Strong basics of C/C++, memory map, compiler functionality
● Done multiple projects during graduation/post-graduation. Participated and performed in tech competitions.
● Experience working with actuators like motors (DC/brushless), LED/LCD and HMI interfaces, speakers, sensors etc
● Experience working with motor control algorithms and PID controllers
- Proficiency with Linux OS and basic bash scripting
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Design and implement software of embedded devices and systems from requirements to production and commercial deployment.
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Design, develop, code, test and debug system software Review code.
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Support software QA and optimize I/O performance.
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Interface with hardware design and development Assess third party and open source software.
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hands-on development and troubleshooting on embedded targets Solid programming experience in C or C++.
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Experience in programming Embedded C/C++ applications with strong background in C/C++ inheritance, templates and pointers.
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Strong in OS concepts like efficient multi-threading and resource-sharing.
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Experience in working with firmware, application and board support packages.
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Expert knowledge on protocols like (RS485 SPI, I2C, ADCs, PWM, CAN).
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Embedded development tools and methodologies. • Version Control Systems - Clear Case / RTC /GIT.
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Strong development experience in embedded C and RTOS. • Should have detailed knowledge and experience on microcontrollers / microprocessors ( 16 bit/32-bit).
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Experience in configuration management & defect tracking tools.
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Strong debugging skills.
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Must be a self-starter.
StartUp engaged in inventing and innovating Smart Energy Meters and related Technologies (OEM) requires Embedded Engineers. Following re-innovation principle and Technology First direction, we design Technologies to deliver our Vision of the highest Quality Products and Technologies. The candidate's responsibilities include IoT (COSEM/DLMS), technology integration. Required skills include Embedded C and C++ and knowledge of Electrical and Electronics.
Responsibilities and Duties
The team leader will be leading a team of Hardware engineers, firmware and testing engineers. Being a team leader, you will primarily be responsible for fast and accurate delivery from the team which might even include handholding of team members whenever needed. Embedded team would be responsible for the following:
Hardware Design including
- Circuit design as per design requirements
- Schematic capture in the tool
- CAD layout
- QA/QC/functional testing
- PCB assembling and rework
- Lab inventory management
- Component procurement.
Firmware Design Including
- Firmware Design and architect
- Software Development
- Firmware Testing
- Code management over svn
Other Responsibilities
- The team leader would also be responsible for architecting the system, creating detailed design documents as per requirement and maintaining quality control of all the deliverables.
- The team leader would also be required to create a detailed test plan and list of test cases to be executed and if needed, create proper environment for the same.
- Ownership of the ‘ground up’ design and architecture of embedded software for real time applications.
- Decomposition of designs in to structured modules/functions ready for implementationby yourself and the team.
- Hands on development in C of new ARM based embedded software for a range of products currently under development
- Ensure quality of software using appropriate methods(Code Review, Static Analysis, Unit Test etc.) and application of suitable Coding Standards
- Maintain, update and enhance existing embedded software written in C
- Documentation of software products, development and execution of test plans
- Work closely with other members of the engineering team to assist with the correct choice of processors and supporting hardware
Required Experience, Skills and Qualifications
- Experience of 8+ years in field of embedded systems designing and developement.
- Familiar with usage of various LAB instruments.
- Strong fundamentals of electronics (Digital and analog) are must.
- Well versed with circuit designing and HW debugging
- Analog and Digital Circuit designing: familiarity with micro-controllers, memories, communication interfaces, op-amps, comparators, relays, inductors and capacitors, Handling EMI and Noise issues associated with circuits.
- Understanding of BLE protocols will be required.
- Understanding of scientific methodologies of experimentation, data-gathering and interpretation and hypothesis.
- Understanding of basic architecture, debugging of sensors.
- Experienced in embedded-C coding, memory allocations.
- Experience with any RTOS designing preferably with FreeRTOS at least with Semaphores, SW Timers, synchronisation and event handlings, task handling and prioritization.
- Understanding of micro-controller architecture, programming and debugging methodologies, interrupt-handling.
- Experience with any of the IDEs and debuggers for ARM architecture.
- Basic understanding of assembly programing of ARM architecture
- Understanding of basic peripherals like UART, CAN, I2C, Timers, Counters, PWMs, ADCs, DAC.
- Experience/knowledge in IoT devices (sensor, gateway, cloud) handling.
- Familiarity with CAD tools for schematics and layout generation.
- Experience on MS-Office.
- Familiarity in understanding and creating various test plans and documents.
General Skills Needed/ Requirements:
- Strong knowledge of components and should be able to suggest the team with right componenet
- Candidate must have a knack to use his/her technical knowledge to give it back to society.
- Candidates passionate to bring a change in society will be preferred with no compromise on pay check.
- Candidates must be open to work with communities to get feedback on product features so that products are best fit for social upliftment.
- Candidates must be open to travel to needy communities and should not hesitate to get his/her hands dirty to bring a change to the communities.
- Candidates must find associated with the cause and mission of the company.
- Open to work in open startup culture and give his/her 100%.
- Analytical reasoning and fact-based brainstorming capabilities will be highly preferred.
- Ready to relocate to Gurugram.
- Occasional field visits.
Job Description:
WLAN Linux Device Driver development (802.11ax preferred)
- WLAN Debugging
- WLAN Firmware development (802.11ac, 802.11n)
- Networking/Wireless Domain knowledge
- Hostapd, Supplicant
- Cross compiling/porting experience
- Performance optimization & Firmware enhancements
Must have Skills:
- 1-10 years of experience in Embedded Software Design, Implementation and testing
- Good knowledge of C or C++
- Basic knowledge in Scripting (Shell, Perl or Python)
- Proficiency in Problem Solving and Debugging skills
- Excellent team working skills
- Experience with version control e.g. GIT
- Basic experience of working in Linux OS
- Network Drivers
- WLAN Protocol Knowledge – 11n, 11ac
- WLAN Linux Device Drivers
- Hostpad, Supplicant
- WLAN Debugging
- Fluent in English
Desired Candidate Details:
- Design, development, and maintenance
- WLAN Stack development and debugging
- Feature Enhancements, Applications, Tools for SDKs
- Basic module level unit testing, System testing
- Providing support to technical documentation team and field application engineers
- Close collaboration with the Chipset Vendor on the Software Development
- Participations in the Product design and Software Design Documentation – High level / Module level / Low level design
- Troubleshooting software and architectural issues
We are looking for a seasoned Wireless LAN Software Engineer to join our Wireless & Networking team in Chennai, Pollachi, Kochi (Cochin), Gurugram, Manesar, Bengaluru (Bangalore). The candidate must be an experienced Engineer and a good team player, who will work on Wireless software solutions which will enable us to develop the products for our customers quickly with industry leading quality. Working with Embedded Software in agile development projects, you will be responsible for creating and maintaining software of Wireless Access Point and Router Products including Module design, Development, JIRA Updates and Unit testing of the Software that is meeting industry standards, creating demos of the solution and customer support.

Do you wish to work for a Deep-tech Indian company developing path-breaking products which are set to disrupt every possible industry and domain?
Our client is building a scalable, cloud-controlled, and rare-earth free platform for designing, building, and deploying electric motors for various applications. It aims towards building transformative technology that will make the motors of the future simpler, smarter, more efficient, and easy-to-build in the long run.
The founders are veteran serial entrepreneurs, product experts, and motor technologists with more than eight decades of experience developing cutting-edge products and technologies. The company is bringing transformative motor technology to the forefront of commercial applications. The company aims to make deep fissures in the extant hydrocarbon and rare-earth-based energy economy to create a greener future.
What you need to join us
Are you a coding ninja, algorithmic genius, with a flair for control systems and a passion to create new path breaking technologies (with a green social impact to boot!)? Does working with a bleeding edge research oriented tech startup excite you? If so, please read on and apply.
Responsibilities
- Take ownership of firmware development for motor controllers
- Identify and develop real-time algorithms for controlling cutting-edge Motors and Generators
- Implement motor control algorithms in microcontrollers
- Debug and diagnose the firmware on the controller hardware
- Develop drivers and HAL firmware as needed for various peripherals
Skills and Experience
- Experience in embedded Firmware development
- In-depth knowledge of C programming knowledge
- Extensive engineering experiences in software development with proven track record of at least one product from concept to production
- Hands on experience with development and debugging of embedded systems
- Experience in working with real-time embedded systems and power electronics
- Experience in working with Microcontroller peripherals such as ADC, Timers, Comparators, Input-capture, PWM etc.
- Experience with microcontrollers from TI, NXP, STM32, PIC, Atmel (ARM based microcontroller experience is preferred)
- Ability to translate mathematical concepts to executable code in resource-constrained microcontroller environments
- Exposure to debugging using lab equipment such as Oscilloscopes, Multimeters, Logic Analyzers, signal generators etc.
- Hands-on experience in bringing up a new hardware with firmware written from scratch
- Experience with simulation software such as Matlab, Simulink etc is highly desirable
- Knowledge and experience of control systems is highly preferred
- Experience in automotive domain is preferable
Character Traits
- Proactive
- Problem solver
- Committed and motivated
- Inquisitive and eager to learn
- Clarity of thinking
- Sense of urgency
- Can-do attitude
- Team player
Education and Experience:
B.E – EE, CS, ME (or equivalent) from a reputed institution with 3 years of experience OR
ME/MS – EE, CS, ME (or equivalent) with 1-2 years of experience











