
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:
IoT Deployment (on-field) and maintenance
Lead assembly, testing, and finalization of IoT products
Black Box Testing: BLE, WiFi
Integration testing: (IoT, backend, and Android)
Test report and deployment setup documentation
Apply quality engineering principles throughout the Agile product lifecycle.
Collaborate closely with cross-functional teams.
Required qualifications:
2021/2022 passed out B.Tech Graduate in ECE or EEE
Hands-on experience with microcontrollers like Arduino and ESP.
Knowledge of C programming language.
Excellent communication and critical thinking skills.
Good organizational skills and a detail-oriented mindset.
Ability to work in a fast-paced environment with minimal supervision.
Sense of ownership and pride in your performance and its impact on the company’s success.
Team player.
Good time management skills.
Preferred qualifications:
Good understanding of embedded and IoT systems.
Who can apply
Only those candidates should apply who
are available for full-time (in-office)
can start the Job immediately
are from Mumbai
have relevant skills and interests
Basic Qualification: BE / Btech Computer Science
Desirable Skills:
1.Software development using Embedded C, C++ with programming standards (MISRA)
2.Knowledge of bus systems, which are used in the automotive industry, like CAN, LIN, I2C, SPI, etc)
3.Software development processes –A-SPICE V-cycle
4.Experience with development of control units for the automotive industry, especially experience with the development based on AUTOSTAR basic software.
5. Experience in the automotive industry according to common development and parameterization tools (i.e. Vector CANoe).
6.Knowledge of standards for safety-critical software (ISO 26262) is a plus.
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
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
• Experience in system design and building IoT systems in resource and power constrained environments
• Proficient in C language on embedded platforms and familiarity with hardware design of embedded system is a plus
• Development on Linux Platform/RTOS with an emphasis on embedded device driver development, multi-threading, and firmware debugging
• Experience with mesh network or sensor network and communication
• Good understanding of multiple IoT platform components is essential
• Solid working knowledge using IoT hardware platforms, communication boards, and gateways
• Hands-on in internet protocols and software development using protocols including LoRA, Wi-Fi, BLE, ZigBee, NB-IoT, M2M,6LoWPAN, Ethernet etc.
• Expert hands-on proficiency in developing applications using one or more technology stacks
• Strong hands-on understanding of scalability, security, high availability, and operational requirements
• Sound and proven decision-making skills to influence the technology choice and implementation methodologies
• Hands-on in object-oriented programming principles, design patterns, and software architecture
• Good with rapid problem solving, a strong technical background, and passion for continuous improvement
• Must have had hands on experience with Connected smart products having Product and Application software, data and Cloud
• Must have intimate knowledge of tools and processes used for Product(firmware) and/or Application software and/or Device hardware and/or Cloud
• Must be intimately familiar with Agile and Scrum, in the creation of dashboards for Sprints. An expectation would be to implement Scrum within the organization
• Must have strong familiarity with SMAC(social media, mobile, analytics and cloud) trends and application to saleable product categories
• Must have worked closely with Mechanical/Electrical/Electronics engineering teams in the development of smart/connected products.
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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.
Summary:
The embedded systems engineer designs, develops, tests, and maintains embedded systems. The engineer will identify and fix issues and work collaboratively with engineers, product managers, and others on various teams.
Responsibilities:
- Design and build embedded systems, including embedded system firmware
- Test and debug the systems
- Monitor and maintain the system after development
- Improve system efficiency and stability after development
- Collaborate with customers to create systems based on their needs
Requirements:
- Minimum of a bachelor's degree in computer science or engineering
- Professional experience in embedded systems
- Significant programming experience in C or C++
- Experience in trouble-shooting embedded systems and microcontroller peripherals
- Experience in working in real-time operating systems
- Experience in interfaces, IP protocols, and hardware subsystems
- Proficiency in working with common embedded systems communication protocols
- Strong interpersonal and writing skills
- Ability to work as part of a team
- Exceptional analytical and problem-solving skills
- Self-motivated and passionate about your work and embedded systems
- Always eager to learn and improve











