LTE DSP PHY Engineers

Job Description :

Position Name: Network Software Developer

Experience: 4 to 8 Years 

Work Mode: Work from Bangalore office (near Bellandur) all 5 days. 

Mandatory: 

1. 4+ years of work experience in Networking domain. 
2. Highly proficient in C and Linux environment.
3. Experience in working on Linux based large code base. 
4. Hands-on experience in working OpenWrt based router firmware. 
5. Hands on experience with IP and lower layer networking protocols.

Great to Have: 

• Experience in working on Qualcomm and MediaTek chipsets. 
• Experience in Linux device drivers and device trees.
• Experience in creating and applying Linux kernel patches.

Candidate should have 6-9 years of experience in IoT embedded systems. He/ She should be

passionate, tech savvy, academically sound, have interest in embedded devices and

technologies.

Experience:

• Exposure to Microcontroller/Microprocessor Architecture /Family e.g. ARM Cortex,

Microchip, Xtensa ESP32, TI CC32XX, STM32

• Knowledge of Bare metal and any RTOS (Free RTOS, uC OS, EmbOSs, VxWorks, QNX)

• Knowledge of Microcontroller peripherals and low level drivers e.g. ADC, DAC, I2C, SPI,

UART, CAN, RS485, DMA, Ethernet, Display

• Knowledge of networking concepts like OSI layers, embedded TCP/IP stacks and common

IP protocols

• Knowledge of RF protocols WIFI, Bluetooth/BLE, IoT Cellular

• Knowledge of IoT communication protocols MQTT, COAP, AMQP

• Knowledge of Build toolchains and framework such as IAR, GCC, Keil, Mplab

• DFMA and DFMEA, Design release process

• Coding standards, guidelines and compliance tools

• Version control and repositories using git tools

• Software quality assurance and automated testing tools Experience / Skills Embedded software design cycle

• Documenting Software Design (flow charts, state diagram, logic design, analysis, implementation, debugging and testing etc)

• Good hands-on programming in Embedded C, C++.

• Programming in scripting languages such as batch, shell, python is a plus.

• Experience with AWS/Google cloud for device connectivity. Exposure to IoT cloud services. e.g. AWS IoT

• Software and Hardware integration testing and troubleshooting

• Protocol debugging using protocol analyzer.

• Understanding of Schematic/ Hardware design around microcontrollers like ST, TI, Atmel, Microchip, ARM core

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

About us:

Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista's award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

About the job

Arista Networks is looking for world-class software engineers to join our Extensible Operating System (EOS) software development team.As a core member of the EOS team, you will be part of a fast-paced,high caliber team-building features to run the world's largest data center networks.Your software will be a key component of Arista's EOS, Arista's unique, Linux-based network operating system that runs on all of Arista's data center networking products.

The EOS team is responsible for all aspects of the development and delivery of software meant to run on the various Arista switches.You will work with your fellow engineers and members of the marketing team to gather and understand the functional and technical requirements for upcoming projects.You will help write functional specifications, design specifications, test plans, and the code to bring all of these to life.You will also work with customers to triage and fix problems in their networks. Internally, you will develop automated tests for your software, monitor the execution of those tests, and triage and fix problems found by your tests.At Arista, you will own your projects from definition to deployment, and you will be responsible for the quality of everything you deliver.

This role demands strong and broad software engineering fundamentals, and a good understanding of networking including capabilities like L2, L3, and fundamentals of commercial switching HW.Your role will not be limited to a single aspect of EOS at Arista, but cover all aspects of EOS.

Responsibilities:

• Write functional specifications and design specifications for features related to forwarding traffic on the internet and cloud data centers.
• Independently implement solutions to small-sized problems in our EOS software, using the C, C++, and python programming languages.
• Write test plan specifications for small-sized features in EOS, and implement automated test programs to execute the cases described in the test plan.
• Debug problems found by our automated test programs and fix the problems.
• Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.
• Work with Customer Support Engineers to analyze problems in customer networks and provide fixes for those problems when needed in the form of new software releases or software patches.
• Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
• Mentor new and junior engineers to bring them up to speed in Arista’s software development environment.
• Review and contribute to the specifications and implementations written by other team members.
• Help to create a schedule for the implementation and debugging tasks, update that schedule weekly, and report it to the project lead.

Qualifications:

• BS Computer Science/Electrical Engineering/Computer Engineering 3-10 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 5 years experience, Ph.D. in Computer Science/Electrical Engineering/Computer Engineering, or equivalent work experience.
• Knowledge of C, C++, and/or python.
• Knowledge of UNIX or Linux.
• Understanding of L2/L3 networking including at least one of the following areas is desirable:

1. IP routing protocols, such as RIP, OSPF, BGP, IS-IS, or PIM.
2. Layer 2 features such as 802.1d bridging, the 802.1d Spanning Tree Protocol, the 802.1ax Link Aggregation Control Protocol, the 802.1AB Link Layer Discovery Protocol, or RFC 1812 IP routing.

• Ability to utilize, test, and debug packet forwarding engine and a hardware component’s vendor provided software libraries in your solutions.
• Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques.
• Hands on experience in the design and development of ethernet bridging or routing related software or distributed systems software is desirable.
• Hands on experience with enterprise or service provider class Ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
• Applied understanding of software engineering principles.
• Strong problem solving and software troubleshooting skills.
• Ability to design a solution to a small-sized problem, and implement that solution without outside help.Able to work on a small team solving a medium-sized problem with limited oversight.

Resources:

• Arista's Approach to Software with Ken Duda (CTO): https://youtu.be/TU8yNh5JCyw
• Additional information and resources can be found at https://www.arista.com/en/

Strong programming (Java, C/C++) and troubleshooting skill

Experience on Android telephony, connectivity framework

RIL 

Familiarity and support of PTCRB/GCF certification process.

Knowledge a cellular test equipment and network IOT

IMS/Volte/SMS over IMS/Video calling and SIP signaling – Desired

Knowledge of QUALCOMM tools, QXDM, QRCT, ER & Analysis of logs.

Preferred - knowledge on 3GPP specs and GSM/GPRS/EGPRS/WCDMA/UMTS/LTE/TD-SCDMA standards

RF Engineer Job Responsibilities:

• Ensuring RF test equipment is calibrated to industry standards.
• Testing the performance of existing wireless products.
• Analysing RF broadcasting product and suggesting improvements.
• Troubleshooting RF tuning / antenna circuit issues.
• RF antenna design (PCB Antenna Design).
• Conducting laboratory tests on RF products.
• Ensuring regulatory standards are met.

RF Engineer Requirements:

• Bachelor's degree in Electronics engineering or a similar field.
• At least 5 years of experience as an RF engineer in the RF industry.
• Advanced knowledge of LTE and RF (Bluetooth/Wireless) networks.
• Excellent written and verbal communication skills.
• Knowledge of RF hardware systems and testing equipment.