Senior Software Engineer – Layer1, C++

🕒 September 24

🇮🇪 Ireland – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Arista Networks

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2004

🏢 Enterprise

📡 Telecommunications

💰 $2.6M Post-IPO Debt on 2015-05

Enterprise • Telecommunications • Cloud

Arista Networks is a leader in building scalable high-performance and ultra-low-latency networks for modern data center and cloud computing environments. The company offers a wide range of networking solutions including the Arista Extensible Operating System (EOS) for cloud networking, CloudVision for network automation and observability, and a variety of high-performance switches and routing platforms. Arista's solutions are designed for enterprise WANs, cloud-grade routing, multi-domain segmentation, security, and modern network operating models, making them a pivotal choice for hyperscale data centers and cloud environments.

📋 Description

• Develop Layer1 control software managing physical-layer connectivity from 1GBASE-T connectors to 1.6T long-reach optics • Support software across forwarding engines, connectors, and interface chips/gearboxes • Build instrumentation and telemetry tools to monitor and troubleshoot physical link health • Work with Optics teams to define standards for new media and bring them to market • Interface with customers, product management, and hardware engineers to develop Layer1 features • Architect, design, and manage feature development • Develop and maintain features using C, C++, and Python • Review and contribute to functional and design specifications • Build automated tests and test infrastructure • Work with hardware and manufacturing teams to bring new Layer1 components, including PHYs and transceivers, to market • Collaborate with hardware engineers on software control interfaces for Layer1 components • Provide technical leadership across features, projects, and tools • Analyze, mitigate, and fix customer network problems with Customer Support Engineers and customers • Analyze system-test issues and provide fixes • Mentor new and junior engineers • Own projects from definition through deployment and customer interactions, ensuring delivered quality

🎯 Requirements

• BS in Computer Science, Electrical Engineering, or Computer Engineering plus 8 years of experience, or MS in one of these fields plus 6 years of experience, or Ph.D. in one of these fields plus 3 years of experience, or equivalent work experience • Expert knowledge of C or C++ and Python • Knowledge of UNIX or Linux • Knowledge of digital communication technologies such as modulation and signal encoding schemes is a plus • Understanding of IP networking and/or distributed systems is a plus • Experience working with low-level hardware components is a plus • Applied understanding of software engineering principles • Strong problem-solving and software troubleshooting skills • Ability to design solutions and implement features independently • Ability to work in small teams

🏖️ Benefits

• Remote work option • Supportive and growth-oriented culture • Opportunity to switch from Layer1 to other software areas as interests and business needs evolve • Working hours agreed in advance with the team manager

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