Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.
At Arista we value the diversity of thought and perspectives that each employee brings to the table. We believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.
Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.
Job DescriptionWho You’ll Work With
You’ll be a core member of the Extensible Operating System (EOS) team in Sydney, a fast-paced, high-calibre global team building the software that runs the world's largest data centre networks. Our team is responsible for all aspects of developing and delivering the foundational networking features that run on all of Arista's switching products.
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, making a direct impact on our customers and the quality of everything you deliver.
What You’ll Do
Architect and Develop: Design and develop innovative networking features in C/C++ and Python for Arista's unique, Linux-based EOS.
Collaborate: Work closely with product management, customers, and fellow engineers to define functional requirements and technical designs for new EOS capabilities.
Own Quality: Take full ownership of your work by writing functional specifications, design documents, test plans, and the automated tests needed to ensure robust, high-quality code.
Lead and Mentor: Provide technical leadership, contribute to code reviews, and mentor junior engineers, fostering a culture of high-quality engineering.
Customer Engagement: Work directly with Customer Support Engineers to triage, debug, and resolve complex issues found in customer networks.
Required:
A degree in Computer Science, Computer Engineering, or Electrical Engineering (BSc, MS, or PhD).
High proficiency in C/C++.
Proficiency in Python.
Preferred:
Solid understanding of operating systems. Proficiency in systems programming, preferably in a UNIX/Linux environment.
A strong interest in computer networking technologies.
Desired:
Familiarity with L2/L3 networking protocols (e.g., BGP, OSPF, IS-IS, Spanning Tree, LACP).
Familiarity with infrastructure functions related to distributed systems such as messaging, signaling, databases, and command line interface techniques.
“Please note: We are not engaging external recruiters for this role. Only direct applications will be considered.”
Australian work Rights
Only candidates with Australian Citizenship, Australian Permanent Residency or otherwise a demonstrable legal entitlement to work in Australia for the duration of employment, will be considered for roles in Australia. Please review open roles in other geographical regions of Arista if you have complementary skills.
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Skills Required
- Degree in Computer Science, Computer Engineering, or Electrical Engineering (BSc, MS, or PhD)
- High proficiency in C/C++
- Proficiency in Python
- Solid understanding of operating systems and systems programming (preferably UNIX/Linux)
- Strong interest in computer networking technologies
- Familiarity with L2/L3 networking protocols (BGP, OSPF, IS-IS, Spanning Tree, LACP)
- Familiarity with distributed systems infrastructure (messaging, signaling, databases) and CLI techniques
- Legal entitlement to work in Australia for the duration of employment (Australian citizen, permanent resident, or demonstrable legal entitlement)
Arista Networks Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Arista Networks and has not been reviewed or approved by Arista Networks.
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Leave & Time Off Breadth — Time away is positioned as generous, including unlimited PTO, paid holidays, and flexible hours with hybrid options. Parental leave is also included, supporting time off needs beyond standard vacation.
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Equity Value & Accessibility — Equity participation is a notable component of rewards through RSUs and an employee stock purchase plan with a discount. This structure can materially increase total compensation when stock performance is favorable.
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Wellbeing & Lifestyle Benefits — Everyday perks and wellness supports are broad, including on-site gym/showers, secured bike storage, stocked break rooms, discounted lunches, wellness webinars, and social events. Family-planning benefits add to lifestyle and wellbeing coverage.
Arista Networks Insights
What We Do
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.

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