
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


Lifespark Technologies is looking for individuals with a passion for impacting real lives through technology. Lifespark is one of the most promising startups in the Assistive Tech space in India, and has been honoured with several National and International awards. Our mission is to create seamless, persistent and affordable healthcare solutions. If you are someone who is driven to make a real impact in this world, we are your people.
Lifespark is currently building solutions for Parkinson’s Disease, and we are looking for an embedded software lead to join our growing team. You will be working directly with the founders on high impact problems in the Neurological Healthcare domain. You will be solving some of the most fundamental and exciting challenges in the industry and will have the ability to see your insights turned into real products every day
Responsibilities :
1. RTOS based multithreaded software development
2. Building future ready, scalable software architectures
3. Liasing with hardware team to decide project requirements
4. Realtime IoT functionality development on ESP32 platform
5. Integration of third party services for cloud based communications and computation
6. Maintaining and documenting software via git (GitLab)
7. Coordinating releases, setup and maintenance of CI/CD pipelines
8. Managing AWS based backend services, integration with AWS services such as S3,
Sagemaker
9. Firmware security, Flash encryption, Bootloader encryption, secure communications
10. Deep integration with hardware team - stress testing hardware
11. Development of device drivers
12. Software testing and maintenance
Recommended experience :
1. Good command over Linux
2. Familiarity with real time tasks and timing sensitive system design
3. Familiarity with BLE/Wifi/etc IoT communication protocols
4. Familiarity with major third party platforms for cloud and ML/AI integration
5. Testing actual physical outcomes of programmed solutions
6. Deep familiarity with ESP-IDF
Location : IIT Bombay, Mumbai
Working mechanism : In-person
Compensation range : 4-12 lpa + ESOPs

Job Description
Are you passionate about making a difference in people's lives through groundbreaking products and services ? Look no further! Protectol Health is a pioneering pharma-tech company with a holistic approach that spans conventional pharmaceuticals, nutraceuticals, nutrients, and business safety. Our dedication to the value of "Life matters" is not just a slogan – it's ingrained in every facet of our work culture and offerings.
With dedicated divisions in Pharma, Technology, Nutraceuticals, Nutriments, and Business Safety, we drive impactful research and development activities that redefine industries and touch lives. Our operational footprint extends across the GCC countries and India, allowing us to reach and transform communities on a grand scale.
If you're enthusiastic about creating a positive impact and wish to be a part of an organization that values and prioritizes lives, Protectol Health welcomes you. Join us in our mission to shape a healthier present and future. Your expertise and passion will find a meaningful home here.
Roles and Responsibilities
As an Embedded Firmware Engineer, you will be responsible for:
● Leading the firmware development for our product line of safety and medical devices.
● Designing, developing, testing, and maintaining embedded firmware.
● Collaborating with cross-functional teams to define software requirements, specifications, and architectures based on product requirements and industry standards.
● Implementing firmware solutions that comply with ATEX certification, IEC 61508, and Functional Safety (SIL standards) for devices used in hazardous locations.
● Conducting thorough testing and validation of firmware to ensure reliability, accuracy, and compliance with safety standards.
● Optimizing firmware for power efficiency and performance to meet the life of portable and battery-powered devices.
● Implement firmware algorithms for sensor calibration, data processing, and user interface interactions.
● Assisting in hardware-software integration, debugging, and troubleshooting to ensure seamless functionality of the devices.
● Collaborating with Quality Assurance and Product Validation teams to ensure the highest quality of firmware deliverables.
● Participating in code reviews and providing constructive feedback to improve code quality and maintainability.
● Keeping abreast of emerging technologies, industry trends, and advancements in embedded systems for continuous improvement and innovation.
Skills and Qualifications:
● Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or related field.
● 3+ years of experience in embedded firmware development for portable and wireless gas detectors and docking stations.
● Proficiency in C/C++ programming languages for embedded systems.
● Hands-on experience with a complete product development cycle is an add-on.
● Experience with STM32/STM8/ MSP430 or any other low-power microcontrollers for the development of low-powered devices.
● Experience in reading and optimizing analog data in various types of ADCs.
● Understanding of ATEX certification requirements and compliance.
● Understanding and practical experience with Functional Safety standards (SIL2/3 standards) in the development of safety-critical systems is an add-on.
● Experience with coding standards. (eg: Misra-C) Familiarity with System architectures and communication protocols like I2C, UART, SPI, etc. Knowledge of sleep modes and low-power optimization techniques for battery-operated devices.
● Experience in developing and using custom segment LCDs (TN, STN, etc.) used in battery-powered ultra-low power devices.
● Experience with software development tools, version control systems, and bug-tracking systems. Strong analytical and problem-solving skills with attention to detail.
● Excellent communication and teamwork skills.
● Advantages for individuals who thrive in a startup setting.
Work Culture
At Protectol Health, we prioritize our diverse and talented team. We offer flexible work arrangements and resources for well-being to support our employees' personal and professional growth. By putting people first, we attract and retain top talent and drive innovation toward our mission of improving health and well-being
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
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.
Develop firmware, system software for medical devices\ Automotive ECUs\ IoT edge devices & gateways. Implement the logic and protocols and communications on 32-bit microcontrollers, configure OS, timers, tasks, interrupts, and communicate with external modems, SoCs, trans-receivers to design, code, and test desired functionality as per customer requirements
Job Requirements :
- Hands-on experience in firmware development using C language
- Hands-on experience in writing low-level device drivers for microcontrollers
- Know of real-time Operating system concepts, tasks, and interrupts’ configuration
- Hands-on experience with in-circuit debuggers
- Knowhow of wired and wireless communication protocols
- Basic understanding of HW circuits, power supply designs, sensors, and actuators’ interfaces
- Experience in implementing SW development quality processes like ISO 9001 or ASPICE
- Good written and oral communication skills

Job Description:
Looking for engineers with one of the below requirements:
- 2-5 years of embedded development experience in a Linux environment with C programming
- With Option1:
- EDK2 experience
- SCT experience
- knowledge of TPMs
- With Option2:
- worked on bootloaders or uboot





