Arista Networks Logo

Arista Networks

PCIe Senior/Lead Software Engineer

Reposted One Month Ago
Be an Early Applicant
In-Office
Austin, TX, USA
Senior level
In-Office
Austin, TX, USA
Senior level
As a PCIe Senior/Lead Software Engineer, you'll develop and optimize software for managing high-speed PCIe communication, working closely with hardware engineers on new designs and troubleshooting firmware issues.
The summary above was generated by AI
Company Description

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 Description

Who You'll Work With
Operating right where hardware meets software, the Platform team builds the foundation for our networking ASICs and supporting infrastructure. PCIe software engineers write the code that manages high speed communication between hardware components in our switches. We work with hardware, diagnostics, and software engineers to maximize bandwidth and improve reliability on the PCIe links.
 

What You'll Do
As part of this team, you’ll work on projects like:

  • Bringing up pcie links on new hardware designs
  • Tuning pcie parameters on root ports, bridges, and end points
  • Modifying the linux pci drivers and virtual memory allocation
  • Using AER and DPC to improve error visibility and resiliency
  • Developing userspace software that mediate between networking ASICs, FPGAs, and PCIe bridges.
  • Measuring hardware read and write performance
  • Develop automated tests using C, C++ and Python to validate your features.

Qualifications

  • Strong engineering and Computer Science fundamentals.
  • 8+ years fluency in C or C++. Python experience an added bonus.
  • Solid understanding of PCIe hardware and software drivers
  • PCIe state machine, ltssm, tlp, credit flow control knowledge a plus
  • Experience with PCIe switches
  • Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level firmware

If you’re passionate about performance optimizations and enjoy working at the hardware/software boundary, the Platform team is a perfect choice!

Additional Information

Arista Networks is an equal opportunity employer.  Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law.  All your information will be kept confidential according to EEO guidelines.

Arista Networks Austin, Texas, USA Office

The Terrace, Building II, Suite 420, 2700 Via Fortuna,, Austin, United States, 78746

Similar Jobs

4 Minutes Ago
Hybrid
Austin, TX, USA
138K-239K Annually
Senior level
138K-239K Annually
Senior level
AdTech • eCommerce • Information Technology • Software • Travel • Generative AI
Design, implement, and deploy end-to-end ML models and data pipelines for ranking, recommendations, search, and personalization. Build scalable data quality checks, monitoring, and evaluation (A/B tests, offline/online) to ensure reliable, fair, production-grade AI. Collaborate with product, analytics, and engineering to translate business needs into ML solutions and drive iterative improvements.
Top Skills: A/B TestingAPIsFeature StoreGenaiModel MonitoringNatural Language SearchPythonRanking And Recommendation Modeling
4 Minutes Ago
Hybrid
Austin, TX, USA
173K-299K Annually
Senior level
173K-299K Annually
Senior level
AdTech • eCommerce • Information Technology • Software • Travel • Generative AI
Design, build, and evaluate multi-step agentic AI systems and orchestration frameworks integrating LLMs with tools, APIs, and data. Define evaluation and safety frameworks, mitigate agent-specific risks, collaborate with product and engineering, and mentor junior ML staff to deliver production-grade solutions.
Top Skills: JaxLangchainLlamaindexLlm ApisPythonPyTorchTensorFlow
Expert/Leader
Financial Services
Leads a multi-year transformation of marketing content supply chain operations across Workfront, AEM Assets, DAM, and related Adobe tools. Defines strategy, roadmaps, workflows, governance, KPIs, AI and automation use cases, platform integrations, and operating model changes. Manages vendors, risks, dependencies, change management, and a team of marketing operations professionals while driving adoption, content delivery, efficiency, and measurable business value.
Top Skills: Adobe Content HubAdobe Creative CloudAdobe Dynamic MediaAdobe Experience Manager (Aem)Adobe ExpressAdobe GenstudioAdobe WorkfrontAem AssetsAi AutomationDigital Asset Management (Dam)Frame.IoMarketing Technology Platforms

What you need to know about the Austin Tech Scene

Austin has a diverse and thriving tech ecosystem thanks to home-grown companies like Dell and major campuses for IBM, AMD and Apple. The state’s flagship university, the University of Texas at Austin, is known for its engineering school, and the city is known for its annual South by Southwest tech and media conference. Austin’s tech scene spans many verticals, but it’s particularly known for hardware, including semiconductors, as well as AI, biotechnology and cloud computing. And its food and music scene, low taxes and favorable climate has made the city a destination for tech workers from across the country.

Key Facts About Austin Tech

  • Number of Tech Workers: 180,500; 13.7% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Dell, IBM, AMD, Apple, Alphabet
  • Key Industries: Artificial intelligence, hardware, cloud computing, software, healthtech
  • Funding Landscape: $4.5 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Live Oak Ventures, Austin Ventures, Hinge Capital, Gigafund, KdT Ventures, Next Coast Ventures, Silverton Partners
  • Research Centers and Universities: University of Texas, Southwestern University, Texas State University, Center for Complex Quantum Systems, Oden Institute for Computational Engineering and Sciences, Texas Advanced Computing Center

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account