Embedded Linux development

Job Summary:

 We are looking for an experienced Embedded Software Developer with expertise in IEC 61850-based communication systems for embedded devices. The ideal candidate should have strong experience in Embedded C development, RTOS-based applications, and substation automation standards. The role involves developing, integrating, and maintaining embedded software solutions supporting IEC 61850 protocols while ensuring reliability, performance, and compliance with industry standards. 

Key Responsibilities 

● Develop embedded firmware using C and Embedded C for IEC 61850-enabled devices.

● Implement and maintain IEC 61850 communication stacks and data models. 

● Work with Logical Nodes (LN), Data Objects (DO), and Data Attributes (DA) as defined in IEC 61850. 

● Develop and validate SCL configuration files, including ICD, CID, and SCD files. 

● Develop networking applications using Ethernet and TCP/IP protocols. 

● Develop and maintain RTOS-based embedded applications using FreeRTOS or equivalent. ● Debug embedded applications using JTAG and SWD debugging tools. 

● Collaborate with hardware, firmware, and testing teams throughout the development lifecycle. 

● Perform code reviews, troubleshooting, and performance optimization. 

● Prepare technical documentation and support system integration activities. 

Required Skills 

● 5–7 years of experience in Embedded Firmware Development. 

● Minimum 1 year of hands-on experience with IEC 61850. 

● Strong programming skills in C and Embedded C. 

● Experience with RTOS concepts such as FreeRTOS or similar. 

● Experience debugging embedded systems using JTAG and SWD. 

● Strong understanding of the IEC 61850 data model, including Logical Nodes (LN), Data Objects (DO), and Data Attributes (DA). 

● Experience working with SCL files, including ICD, CID, and SCD. 

● Strong knowledge of Ethernet and TCP/IP networking. 

● Strong analytical, debugging, and problem-solving skills. 

● Willingness to work from Goa. 

Preferred Skills 

● Experience with substation automation systems and Intelligent Electronic Devices (IEDs). 

● Knowledge of power system communication protocols. 

● Experience with secure embedded software development practices. 

● Immediate joiners or candidates with a notice period of one month or less are preferred. 

Education Bachelor’s or Master’s degree in Electronics, Electrical Engineering, Embedded Systems, Computer Science, Computer Engineering, or a related field. 

Education : B.Tech / M.Tech only

MANDATORY CRITERIA:

• It's a Contractual role for a particular project ongoing in the company, duration will be 1 year or may exceed as per the project requirement, After that the candidate will be kept on permanent role.
• The candidate will be on company's payroll only.
• Candidate should be comfortable for directly visiting and working with client's place.
• Immediate to 15 days joiner preferred
• 3 to 5 years of hands-on experience in Linux Device Driver development
• Strong experience with Linux kernel programming & memory management
• Experience with Zephyr OS / device driver model (porting bare-metal drivers).
• Familiarity with RTOS linux kernel internals and hardware protocols (They mainly use AXI protocol, i2c, spi).
• Strong knowledge of PCIe and DMA drivers
• Proficiency in C / C++ programming languages
• Experience working with hardware interfaces/protocols (AXI, I2C, SPI)

REQUIRED SKILLS:

• Proven experience in developing Linux Device Drivers.
• Preferred experience in Zephyr (need to port bare metal drivers to zephyr OS/device driver model).
• Strong knowledge of PCIe and DMA drivers (Good to know Xilinx's IPs like AXI-DMA, XDMA etc).
• Expertise in Linux Memory Management.
• Proficiency in C/C++ programming languages.
• Preferred familiarity with real-time operating systems (RTOS), linux kernel internals and hardware protocols (They mainly use AXI protocol, i2c, spi).

Immediate to 15 days joiners are preferrable we need to close it asap.

Required Skills: Advanced Hardware Board Design Expertise, Signal Integrity, EMI/EMC & Design Analysis, Board Bring-Up & Troubleshooting, EDA Tools & Technical Documentation, Cross-Functional & Supply Chain Coordination

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

REQUIRED SKILLS:

• Extensive experience in hardware board designs and towards multiple product field deployment cycle.

• 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, Singal 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, identify 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.

Education Requirements: 

B. Tech / M. Tech (ECE/ CSE/ IT)

Experience - 10 to 12 Years

About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.

Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

To know more about us please visit:  https://www.apexon.com/" target="_blank">https://www.apexon.com/

Desired Candidate profile:

• 5+ years of Embedded/Linux SW Development relevant Experience in Embedded C++. 
• Expert knowledge in writing software for embedded Systems (Embedded C++ language).
• Experience on OTA would be an added advantage
• Work experience in software development on bare metal, RTOS or Internal Linux. 
• Work experience in developing firmware for 8/16/32 bit microcontrollers (ARM, RISC etc)
• Good understanding w.r.t usage of 1. RTOS like MQX. 
• Bootloader and software update concepts. 
• Communication protocols like TCP/IP,MQTT. 
• Socket programming in Linux environment. 
• Good knowledge on protocols like (RS485, SPI, I2C, ADCs, CAN, LIN) 
• Knowledge of Blue-tooth communication protocols for BLE 4.2/5.1. 
• Proficient in the use of embedded SW Development tool chain (Flash/ debug tool chain, IDE). 
• Version Control Systems –GIT 
• Should have detailed knowledge on microcontrollers/microprocessors 
• Experience in scripting languages like Shell / CAPL / Make/Python etc. 
• Experience in using tools like Logiscope / Function Generator / Oscilloscope, etc. 
• Good knowledge in reading schematics and datasheets. 
• Excellent analytical skills and problem-solving skills. 
• Strong communication and interpersonal skills. 
• Must be a self-starter. 
• Ability to work as part of a dedicated project team and independently 

The ideal candidate will be responsible for developing high-quality WIFI applications. They will also be responsible for designing and implementing testable and scalable code.

Job requirement and Skills

• Embedded development in C/C++ on Linux
• Experience with WiFI chipsets (Atheros / Qualcomm / Broadcom)
• Worked with WiFi drivers and WiFi stack
• Strong debugging skills

Experience

• Minimum 5-10 years of experience
• Educational Qualifications: BE/ME
• Experience developing RRM, SON features in WiFi will be great .

Position Title: Embedded Software Developer (Linux Driver Development)

Experience: 4 - 10 Years

Mode of Hire: Permanent, Deployed at Client Location.

Work Location: Hyderabad

Notice Period: Max. 20 - 30 Days (Early Joiners will be preferable).

What we are looking for?

Must Have:

• Should have strong proficiency in C, C++ and Embedded Systems (embedded C)
• Should have 4+ years of experience in Linux Driver Development, Application development
• Excellent debugging skills at kernel and user space and exposure to different debugging tools
• High level understanding of ARM & RISC (Instructions) OR MB Processor and Assembly Programming

Good to Have:

• Any Driver development exposure in Multimedia, Exposure to any one of the Linux Kernel Framework (Display, Camera Drivers, HDMI, GPU, MIPI, DRM framework, V4L2, etc.)

MINIMUM QUALIFICATIONS, Roles and responsibilties:

• BS/MS in Computer Engineering or related technology field
• 10+ Years of Experience in Software Development
• Experience in  writing code for embedded systems, Proficient in C/C++ coding and intel DPDK
• Understanding of network interface drivers
• Experience with VMware, AWS, MSAzure, Google Cloud Platform.
• Knowledge of micro services and containerization
• Experience in building Networking Security Products
• Knowledge of Networking, TCP/IP Protocol Suite
• Design, code embedded features/solutions for the ShieldX Product
• Design write, extend and troubleshoot datapath code for switching, routing, NAT, TCP and TLS
• Work closely with other development , Product and Test Teams

• BS/MS in Computer Engineering or related technology field
• Excellent communication and Team player skills
• Should be a self-starter and be able to adopt to dynamic fast-paced environment.
• Able to work 40 hours a week