Expert/Principal Software Engineer

• Arista Networks is looking for world-class Senior/Lead system 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 and related software, 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 ideally a good understanding of linux system software including various IPC mechanisms like sockets, shared memory etc and interfacing with hardware via applications, device drivers and APIs
• Working with, understanding and modifying existing open source software will be part of the role
• An understanding of networking including L2 and L3 and switching ASICs will be helpful but not essential to your role
• Your role will not be limited to a single aspect of EOS at Arista, but cover all aspects of EOS
• Write functional specifications and design specifications for drivers and API to manage hardware devices in linux and implement
• Independently implement solutions to small-sized problems in our EOS and related software, using the C, C++, and python programming languages
• Write test plan specifications 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 for networking infrastructure include AI networking
• Worth with Customer Support Engineers to analyze problems in customer installations 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

Benefits

• Regular ”Snack Bash” Social Events with food and drinks!
• Biweekly Wellness webinars plus regular Wellness Week events focused on physical, mental, spiritual and financial wellness as well as career development and social activities
• Arista Gives Back: Employee Engagement Giving Drives and Volunteer events
• Medical, Dental & Vision Plan Coverage
• Life Insurance, AD&D, STD & LTD
• Flex Spending Accounts
• Employee Assistance Programs
• PTO & Paid holidays
• 401k Plan
• On-site Gym & Showers
• Secured Bike Lockers
• Secured Bike Lockers
• Flexible hours
• Employee Assistance Benefits that include mental health and backup child and elder care support
• Discounted lunches through WeBox for HQ employees
• Family planning benefits- BS Computer Science/Electrical Engineering/Computer Engineering + 12 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 10 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 7 years experience or equivalent work experience
• Knowledge of C, C++, and python
• 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
• Ability to utilize, test, and debug open source software libraries and other software used in your development activities
• Experience writing Linux drivers and APIs for managing hardware or other software resources
• Experience programming ASICs and other custom hardware
• Strong problem solving and software troubleshooting skills
• Applied understanding of software engineering principles
• Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques
• Hands-on experience working with open source software