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HomeCompaniesAristanetworksPCIe Senior/Lead Software Engineer

PCIe Senior/Lead Software Engineer

Aristanetworks · Austin, TX, United States · Active · SmartRecruiters

Job facts

FieldValue
CompanyAristanetworks
TitlePCIe Senior/Lead Software Engineer
Normalized title-
Department / teamSoftware Engineering
LocationAustin, TX, United States
Work model-
Employment typeFull Time
Salary-
Statusactive
ATS providerSmartRecruiters
Posted / first seen2026-04-21 / 2026-05-31
Changed / last seen2026-05-31 / 2026-06-04

Related slices

PageWhat it containsOpen
Company jobsActive postings from Aristanetworks.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through SmartRecruiters.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Austin.Open
Department jobsActive postings in Software Engineering.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyAristanetworks
Source6cf22095-84c9-49f9-b7cb-0c1bc031e7d4
ATS providerSmartRecruiters

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. 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. 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! 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.

Full job record

Job IDd1aeeaafaf4c1e2401f12eb2c52d323c3afd1f9d
Org ID68f22fb7-c35f-4162-a0e3-a1d070b48c86
Source ID6cf22095-84c9-49f9-b7cb-0c1bc031e7d4
Board ID6cf22095-84c9-49f9-b7cb-0c1bc031e7d4
Providersmartrecruiters
Provider Job Key744000122123697
TitlePCIe Senior/Lead Software Engineer
Normalized Title
Statusactive
Activeyes
Location TextAustin, TX, United States
DepartmentSoftware Engineering
Team
Employment Typefull_time
Workplace Type
Remote Policy
CountryUnited States
RegionTX
CityAustin
Salary RawArista 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. 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. 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! 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.
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://jobs.smartrecruiters.com/AristaNetworks/744000122123697-pcie-senior-lead-software-engineer
Apply URLhttps://jobs.smartrecruiters.com/AristaNetworks/744000122123697-pcie-senior-lead-software-engineer?oga=true
First Seen At2026-05-31 17:41:08Z
Last Seen At2026-06-04 11:55:32Z
Last Checked At2026-06-04 11:55:32Z
Last Changed At2026-05-31 17:41:08Z
Inactive At
Source Posted At2026-04-21 21:22:19Z
Source Updated At
Raw Payload Uris3://bluework-jobs-prod-raw-590183727216/raw/provider=smartrecruiters/board=aristanetworks/date=2026-06-04/2026-06-04T11-55-14-607Z-75fb275cd2651a9f49c9f8af71972aeea3bef306fcabbbf70fb8300b8c23f390.json
Event Fields
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Parsed Structured
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Extensions
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Native Structured
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