Member of Technical staff

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 this role:

• You will be working with the WiFi team at Arista, developing cutting edge and next generation WiFi solutions in a fast-paced environment. The WiFi team is responsible for the end to end development of the Cloud managed WiFi product portfolio of Arista. This specific position is for the WiFi AccessPoint team.
• As a core member of the AccessPoint team, you will be working closely with relevant teams to understand product requirements, design the solution, build the software and deliver it for final validation and customer deployment.
• You will also keep track of new and emerging technologies and their impact on Arista products, come up with new and innovative ideas to improve and differentiate the product and help Arista become a leading player in the Campus space.
• You will work closely with sales and support teams to push new solutions, understand customer needs and pain points and help resolve escalations.
• You will not be limited to a single aspect of the product, it will be broad encompassing many different aspects including but not limited to developing new Access Points, designing and implementing new features, tracking new technologies and working closely with the sales and customer teams.

Requirements:

• Strong engineering and Computer Science fundamentals

• Expected to have a strong background in software development and good understanding of systems and networking areas with the knowledge of the WiFi area as an added bonus.

• Minimum 4+ years of relevant experience

• Well versed with programming in one of C/C++ languages

• Experience working in a Linux environment, developing applications or Linux drivers

• Proven experience in any of the below:

1. Network device drivers, operating system internals, Kernels, compilers, SOC architecture
2. Experience in developing Wi-Fi features (802.11), WLAN MAC Protocol, system integration, evaluate various performance parameters.
3. User space development for connectivity related products (Wireless Lan access points/ controllers, networking equipment) in one or more of following areas:

• HostAPD, Portal, RADIUS, AAA, Identity and role management, Radsec

• Tunnels, Firewall, Iptables, Flow Classification, QoS, TLS, DTLS Preferred Skills

• Experience with Wi-Fi device drivers on Linux.

• Hands-on experience in working with one or more WIFI chipset platforms

• Good System Level understanding of the Wireless AP functionality

• Experience in developing Wi-Fi features, system integration, evaluate various performance parameters

Resources:

• Arista Cognitive WiFi : https://www.arista.com/en/products/cognitive-wifi https://youtu.be/cT1INdR-xHQ https://www.youtube.com/watch?v=olPkCOT3MdA
• Arista Cognitive WiFi Datasheet: https://www.arista.com/assets/data/pdf/Datasheets/CloudVision-Wifi-Datasheet.pdf
• 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/

You would be part of:

1. Designing/Improvement of new/existing architectures of distributed computing with subcomponents of Unmanned Aerial Systems (UAS).
2. Working/Researching with industrial state of the art sensor systems and modules, and developing drivers (HAL or wrapper) and applications around their usage.
3. Design and implementation of communication protocols between different subcomponents of UAS for distributed computing.
4. Writing Applications and Drivers from the scratch for (embedded)linux based systems.
5. Scripting and automations around work flows of UAS usage.
6. Working with existing sophisticated software stacks of subcomponents of UASs.
7. Working closely with electronics, design and systems teams for architecture development and deployment.
8. Working closely with Flight Controller engineers to do collaborative development of UAVs.

We expect you to be:

1. Experienced in hands-on development of complex embedded systems involving multiple microcontrollers or SoCs.
2. Very good in analytical abilities to be able to do core research and development activities.
3. Able to write low level drivers (wrapper or core) from the scratch.
4. Very comfortable reading and understanding datasheets and reference manuals of microcontrollers, peripherals, sensors etc.
5. Able to understand existing complex embedded software stack written in C/C++.
6. Solid in C.
7. Good in C++.
8. Comfortable with using hardware debuggers.
9. Having Hands-On experience with RTOS concepts like scheduling, threads synchronicity , race conditions etc.
10. Having Solid understanding of interrupt mechanisms.
11. Experienced in working with different hardware protocols like SPI, I2C, UART, PWM, CAN, USB etc.
12. Having Solid understanding of interrupts architecture of ARM based microcontrollers like STM32, LPC etc.
13. Having Good understanding of the concept of bootloaders.
14. Able to multitask.
15. A self-motivated and motivating personality who can work well independently as well as part of a team
16. Having good interpersonal and soft skills who can adapt to the work environment while manifesting a good positive attitude

You are awesome if you are:

1. Experienced in Linux Device Driver development.
2. Having good exposure of working on and understanding of any sensor modules like GPS, LIDAR etc.
3. Experienced in data filtering techniques (Example: Kalman filter)

• Bachelor’s degree in Electrical or Electronics Engineering with 1-3 years of relevant experience.
• Highly experienced in Embedded C, C++ coding as per MISRA standards
• Experience in firmware programming for 8 bit, 16 bit and 32 bit controllers.
• Knowledgeable in Linker Scripts, Make files & firmware debugging using JTAG or on the UART console. 
• Experienced in Communication peripherals like SPI, UART, I2C, CAN, etc.
•  

• Ideation, designing, prototyping, and developing as per product requirements.

• Expertise in system architecture and design for Embedded software systems.
• Develop modular Embedded Code to port into different projects.
• Experience on Real Time Systems and Scheduling mechanisms
• Development experience in "middleware" / “application” / Low layer.
• Experience with developing embedded code for networking technologies like TCP/IP and UDP would be a plus.
• Document state machine diagrams, flow charts to understand the system architecture
• Working closely with Design teams to understand Hardware Implementation.
• Develop Test methods, in some cases automated test cases to test the firmware code and support hardware engineers.
• Use Debuggers, oscilloscopes, power supplies, and other necessary electrical tools to debug the code for problem-solving.
• Excellent reading skills for complete understanding of technical documents such as Processor Architecture Specifications and MCU hardware manuals, schematics etc.
• Ability to generate ideas in response to complex issues and execute on solutions.
• Python programming is a big plus.

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.

• Extensive knowledge of linux kernel internals.
• Good knowledge of C programming language.
• Familiarity with any processor architecture, virtualization, storage and network management.
• Strong experience in debugging linux kernel mode
• Debugging experience across hardware and platform firmware.

• Product and Application Development in C.
• Develop and debug Applications and Firmware in/for Embedded Linux Environment
• Design and development of real-time, multi-processor / multi-controller systems.
• Module-level design with proper software design practices

Required Qualifications:

• 4+ years of C development AND Linux experience
• Linux user space and kernel space programming experience
• Linux system programming
• Work experience with 8 / 32-bit microcontroller programming
• Experience with CAN, MODBUS, and high power systems software development.
• Source revision control (git, svn)
• Degree in Computer Science from a reputed institution
• Linux command line and development tools (e.g. shell script, Make, CMake, GDB, and GNU development tools)

Preferred Qualifications:

• Exposure to a full product development cycle.
• Programming experience in an object-oriented language (C++)
• Programming experience in a high-level language (e.g. Python)
• Knowledge of common Linux system calls, kernel interfaces, Linux device drivers, and configuration.
• Exposure to multi-processor product architecture.
• Experience in open source components and libraries (e.g. libxml, glib, qt, dbus, OpenSSL, curl, etc)
• Experience with Level2 AC EV chargers and/or DC fast chargers.
• Experience OR Knowledge with standards ISO 15118-2
•  Add "8 bit / 16 bit / 32 bit microcontroller experience, specially ARM"

Job Title: Project Associate - Mixed Signal Design Profile
Industry: Wireless communication, 5G
Organization: 5G TestBed-IIT Hyderabad- Hyderabad

Job Description
Work Profile:
· Work on development of custom Analog circuit boards for applications related to RF, interfaces etc.
· Implement new features and bug fixes
· Verify analog/mixed-signal integrated circuits
· Develop test cases to verify new features and bug fixes
· Review and update the user manuals for software tools.
· Supporting digital modelling of analog circuits for mixed-signal verification
· Creating design specifications and circuit schematics
· Work both independently and in a team environment, with the opportunity to provide technical leadership to other members of the engineering team
· Create and/or modify specification documents detailing system design and enhancements to meet marketing requirements
· Collaborate with others in the creation of technical reports, whitepapers, and user documentation

Requisites:
· EE/EEE/ECE graduate, undergraduate degree from reputed Tier 1 or Tier 2 colleges .
· Strong knowledge of analog integrated circuit design fundamentals
· Proven experience taking designs from concept to production
· Experience in analog/mixed-signal IC design & verification
· Understanding of BJT, CMOS and Op-Amp technologies.
· Good understanding of analog/mixed-signal design flows (Cadence, Synopsys)
· Transistor and system level simulation skills
· Discrete time and continuous time signal processing skills
· Strong lab and silicon validation skills
· Verilog based digital design and test bench development, is a plus
· Strong communication skills, both written and verbal
About us:
For more details please visit: http://5g.iith.ac.in/
IIT Hyderabad in collaboration with top Indian institutes including IITM, CEWiT, IITD, IITK, IISC and SAMEER is building the largest 5G testbed of the country, with the support of Department of Telecommunications (DoT) Govt. of India. This project will create a 5G prototype and testing platform that will be developed under the guidance of IIT-H faculty.
The project will deliver an end-to-end 5G testbed comprising 5G BS and UE nodes that support enhanced mobile broadband (eMBB), Ultra low latency communication (URLLC), and massive MTC including NB IoT services. The operating frequently includes both sub 6 GHz and mmwave frequencies. The system will exceed IMT 2020 5G performance requirements including Low Mobility Large Cell (i.e.., LMLC) targets introduced by India at ITU.
The 'Indigenous 5G Testbed' project is a long-term effort with a team of 100+ researchers/engineers based out of IIT-H campus.

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