Posted 7 months ago
PCIe Software Engineer
@ Arista Networks
Vancouver, British Columbia
Overview
Arista Networks is hiring a mid-level PCIe Software Engineer for its Platform team, which builds the foundation for its networking ASICs and supporting infrastructure. The role writes low-level code that manages high-speed communication between hardware components in switches. Base pay ranges from $95,000 to $145,000.
Responsibilities:
- Bring up PCIe links on new hardware designs
- Tune PCIe parameters on root ports, bridges and endpoints
- Modify Linux PCI drivers and virtual memory allocation
- Develop userspace software between ASICs, FPGAs and PCIe bridges
- Write automated tests in C, C++ and Python
Requirements summary:
- 3+ years fluency in C or C++
- Solid understanding of PCIe hardware and software drivers
- Strong engineering and computer science fundamentals
- Hands-on experience troubleshooting low-level firmware
- Python experience an asset
Tools & skills
Benefits mentioned
Source and dates
Employer career site / ATS feed · smartrecruiters
- Employer posting date
- 2026-04-23
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-09
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Software development |
| Experience | 3+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office, Laboratory |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Perks mentioned | Retirement plan, Performance bonus, Stock or equity, Wellness |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Arista Networks
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
Data-Driven Networking
Full company description
Arista Networks is an industry leader in data-driven, client to cloud networking for large data center/AI, campus and routing environments. Arista’s award-winning platforms deliver availability, agility, automation, analytics and security through an advanced network operating stack. visit https://www.arista.com. Additional information and resources can be found at: www.arista.com www.twitter.com/aristanetworks www.facebook.com/AristaNW www.youtube.com/user/AristaNetworks
- LinkedIn followers
- 575,295
- People associated on LinkedIn
- 5,681
- Reported office locations
- 5453 Great America Parkway, Santa Clara, California 95054, US
- # 63, RMZ Gateway, 2nd Floor, 80/100 Feet Road Junction, 4th Block Koramangala, Bangalore, 560034, IN
- 9200 Glenlyon Pkwy, Burnaby, British Columbia V5J, CA
- 1390 Market St, San Francisco, California 94102, US
- 10 Tara Blvd, Nashua, New Hampshire 03062, US
- 500 Gregson Dr, Cary, North Carolina 27511, US
- 3130 Atlantic Avenue, Shannon, Clare, IE
- 2 Georges Dock, Dublin 1, Dublin 1, IE
- Business categories
- Cloud Security
- Information Technology
- Cyber Security
- Software
- Hardware
- Security
- Network Security
- Cloud Computing
- Data Center Automation
- Other recorded names
- Arista Networks
- Specialties
- Cloud Computing
- Virtualization
- Big Data Clusters
- and High Performance Computing
- Profile identifies a recruitment agency
- No
- Reported total investment
- 66,000,000
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Arista Networks is an industry leader in data-driven, client to cloud networking for large data center/AI, campus and routing environments. Arista’s award-winning platforms deliver availability, agility, automation, analytics and security through an advanced network operating stack. visit https://www.arista.com. Additional information and resources can be found at: www.arista.com www.twitter.com/aristanetworks…
| Field | Value |
|---|---|
| Industry | Computer Networking Products |
| Company size | 1,001-5,000 employees |
| Headquarters | Santa Clara, California |
| Organization type | Public Company |
| Year founded | 2004 |
| Specialties | Cloud ComputingVirtualizationBig Data Clustersand High Performance Computing |
| Open jobs on Jobsy | 21 |
| View page |
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.
- 3+ 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!
This is a mid-level software engineer requirement not applicable for fresh graduates or interns.
#LI-PA1
Additional Information
The new hire base pay for this role has a pay range of $95,000 to $145,000. Arista offers different pay ranges based on work location, so that we can offer consistent and competitive pay appropriate to the market. The actual base pay offered will be based on a wide range of factors, including skills, qualifications, relevant experience, and work location.
The pay range provided reflects base pay only and in addition certain roles may also be eligible for discretionary Arista bonuses and equity. Employees in Sales roles are eligible to participate in Arista’s Sales Incentive Plan, which pays commissions calculated as a percentage of eligible sales. Employees are also entitled to benefits including medical, dental, vision, wellbeing, income protection and a Group Retirement Savings Plan. The recruiting team can share more details during the hiring process specific to the role and location.
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