Full-Time
POC Engineer
Arista Networks
5,001-10,000 employees
Hardware and software for cloud networking
No salary listed
Dublin, Ireland
In Person
Master's
 IT & Security (1) |
|---|
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- BS in Computer Science, Computer Engineering, or Electrical Engineering; MS degree preferred
- 5+ years of experience in software test, system test, proof of concept tests, network consulting, systems engineering, or advanced services
- CCIE certification is a plus
- In-depth knowledge and experience in deploying, testing and troubleshooting: STP, LACP, BGP, OSPF, ISIS, BFD, NSF, MPLS, IGMP, PIM SM/SSM, ACL, QoS and HA
- Experience in network virtualization technologies such as VXLAN, OpenStack, etc.
- Experience in integrating firewalls, load balancers, and virtualization controllers in virtualized networks
- Experience in routing and switching hardware platform tests
- Experience with IXIA or Spirent for traffic generation and protocol emulation
- Experience in server virtualization and Linux tools
- Experience in scripting using Python, Tcl, Perl, etc.
- Strong written and verbal communication skills
- Ability to operate with a high degree of independence and manage projects
- Enjoy cross-functional collaboration and shared responsibility in small team settings
- Enjoy on the job learning of new technologies
- Design ingenious network topologies and creative tests to prove advantages of Arista products, technologies and solutions to our largest customers
- Build and configure complex test topologies and perform rigorous POC tests
- Demonstrate Arista's solutions to customers and provide test reports
- Collaborate with industry-leading Systems Engineers to design network solutions for Arista's largest customers
- Innovate and develop testing and productivity improvement tools
- Improve Arista product offerings and quality through feature enhancement proposals, bug reports, and engineering reviews
- Author white papers and design guides on Arista products and technologies and POC methodologies
Arista Networks builds high-performance cloud networking hardware and software for large data centers and cloud environments. Its product line includes spine-and-leaf switches and routers that form scalable data-center networks, combined with software for automation and visibility to simplify operations. The network gear is designed for hyperscale and I/O-intensive workloads, offering strong performance and power efficiency. Arista differentiates itself through a focus on scalable, energy-efficient hardware paired with software that improves automation and observability, serving cloud providers, enterprises, and financial institutions via direct sales, partners, and service contracts. The company's goal is to help customers deploy and manage scalable, efficient, and automated data-center networks that meet the demands of large-scale cloud workloads.
Company Size
5,001-10,000
Company Stage
IPO
Headquarters
Santa Clara, California
Founded
2004
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Simplify's Take
What believers are saying
- August 4, 2026 raised 2026 revenue guidance to $12.6 billion, up 40%.
- July 21, 2026 VeloCloud zero-trust launch expands enterprise branch security revenue.
- AI fabrics target at least $3.5 billion in 2026 signals durable hyperscaler demand.
What critics are saying
- Microsoft and Meta supplied 42% of 2025 revenue, creating existential concentration risk.
- The 1.6T platform stays in trials through 2026, delaying product monetization.
- $9.7 billion purchase commitments due within 12 months expose Arista to demand shocks.
What makes Arista Networks unique
- Arista’s EOS plus 1.6T 7060XE7 systems target rack-scale AI fabrics uniquely.
- August 4, 2026 results showed 49% operating margins and $3.04 billion revenue.
- Arista sells software-defined networking with multiyear deferred revenue, not commodity switches.
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Growth & Insights and Company News
6 month growth
↓ -1%1 year growth
↑ 0%2 year growth
↑ 0%Arista Networks shares have surged nearly 30% in three months, driven by AI-related demand and its first $3 billion quarter. One strategy offers investors a way to potentially buy the stock at a discount whilst earning income. By selling a put option on ANET expiring 17 June 2027 with a $115 strike price, investors can collect roughly $855 in premium per contract. This generates an 8.7% annualised return on the $11,500 cash secured for the trade. Combined with a 5.0% money market yield, the total return reaches approximately 13.7%. If ANET stays above $115, the put expires worthless and investors keep the premium. If it falls below $115, investors buy shares at an effective price of $106.45 after accounting for the premium — a 44% discount to today's $188.67 price. Arista recently raised its 2026 revenue forecast to $12.6 billion, projecting 40% annual growth.
Arista Networks demonstrates consistent quarterly revenue growth, rising from $1.8 billion in Q3 2024 to $3.0 billion in Q2 2026. The cloud networking company reported a 40% net income margin and $1.1 billion in free cash flow for the quarter ended June 30, 2026. Arm Holdings shows more volatile quarter-over-quarter revenue trends, though its pivot toward AI-centric data centres is gaining traction. The company reported data centre royalties more than doubled year over year in Q2 2026. It posted a 21% net income margin and $694.0 million in free cash flow for the same period. Arm became subject to multiple federal securities fraud investigations during May 2026.
Arista Networks' stock rose 64% over the past year, but key signals appeared in its financial filings months earlier. The company's chip purchase commitments climbed from $2.4 billion in fiscal Q3 2024 to $3.5 billion by Q1 2025, reaching $9.7 billion by Q2 2026 against quarterly revenue just over $3 billion. Product deferred revenue increased by roughly $320 million in fiscal Q3 2024, tied to Etherlink platforms moving from trials to production under customer acceptance clauses. Total deferred revenue reached $6.9 billion in the latest quarter. Management also noted 10 to 15 enterprise trials running alongside its large AI customers. That Etherlink customer base has since expanded to over 100. The figures indicated future revenue before the stock price reflected it.
Arista Networks shares jumped 13% after the company reported second-quarter results that surpassed analyst expectations and issued stronger-than-expected guidance for the third quarter. The networking equipment company posted adjusted earnings per share of $1.02, beating the $0.88 estimate. Revenue reached $3.04 billion, exceeding the $2.83 billion consensus and marking the company's first quarter above $3 billion. This represented a 37.7% year-on-year increase from $2.20 billion. For the third quarter, Arista forecast revenue of approximately $3.3 billion, well above the $2.95 billion consensus estimate. Adjusted EPS guidance of $1.06 to $1.08 also topped the $0.92 analyst consensus. The company's adjusted operating margin expanded to 49.9%, up from 48.8% in the year-ago period.
Arista Networks supplies high-speed switches central to AI infrastructure, positioning the company at the heart of the current buildout. Its shares trade at 58.8 times trailing twelve-month earnings, appearing expensive at first glance. However, the valuation compresses significantly when measured against forward earnings. At the current price of roughly $174, the stock trades at approximately 38.1 times projected 2027 earnings — a 35% discount to the trailing multiple. Analysts forecast revenue growth of around 22% annually. This is conservative compared to Arista's recent performance: 31% growth over the past twelve months and 35% in the most recent quarter. Management raised its full-year 2026 revenue growth forecast to 28%. The chief executive described current demand as "the best I've ever seen in my Arista tenure".