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Associate Advanced Services Engineer (AASE), Japan

Arista Networks

Arista Networks

Tokyo, Japan
Posted on Oct 16, 2025

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

When you join Arista as part of the Sales Engineering team, you're not just stepping into a role; you're becoming part of a team of industry experts and technical leaders. Typically reporting to the Regional Engineering Manager, you'll be working alongside some of the most skilled field engineers in the industry. Our team prides itself on not just understanding the technology but also the business impact and aligning our solutions with the larger goals of our clients. In collaboration with our Product Management and Software Development teams, you will play a pivotal role in steering product developments, offerings, and strategic direction to best serve our customers and prospects. Supported by the expertise of our world class Arista TAC, cutting-edge proof-of-concept resources, and support of the executive team, you are well-positioned to lead and innovate within the industry.

In this position, you will be working as a technology expert in the Routing & Switching, WAN edge and Network Observability space to design, implement, and support (troubleshoot) our Datacenter and Campus Networking deployments within a number of customer infrastructures.

What You’ll Do

Arista Networks is seeking an Associate Advanced Services Engineer (AASE) to provide post-sales support of customers. The AASE will be responsible for evoking confidence in Arista’s functionality and technology infrastructure and assisting in eliminating technical objections in the sales cycle. The AASE will uncover business requirements, develop a solution sales strategy, and create and effectively demonstrate Arista’s solutions that address customer requirements.

  • You will provide advanced post-sales engineering support for Arista's Open Networking Data Center and Campus networking deployments for our enterprise and commercial customers.

  • Shadow current field SE’s and ASE’s and assist with day to day customer tasks

  • Assist with migration or interconnect to/from other networking vendor products into an Arista infrastructure

  • Assist with configuration build-outs including creating network provisioning automation using Python and tools such as Chef or Ansible

  • Assist in hands-on work with customers during product evaluations and post-sales support

  • Assist in hands-on tests to validate customer proof-of-concept setups, network designs, and network deployments using new products and features

  • Demonstrate Arista key technical differentiators in the lab

  • Assist with proof of concepts (POC) and in-depth testing to validate design scenarios

  • Provide bug scrubs and code recommendations for customers

  • Provide an interface to TAC, internal development teams and the customer

  • You will provide customer advice regarding architectural questions, product prerequisites, product features, etc.

  • Assist Pre-Sales Engineer and Account Executives with designing Network solutions

  • Ability to multitask, self-start, work in a dynamic team environment and work independently

  • Maintain professional relationships with teammates, partners, and clients

  • Some travel may be required within assigned territory

Qualifications

Requirements:

  • BSCS/CE degree or equivalent

  • In the past 2 years, a graduate with a Bachelor's or Master's degree in a technical field, such as Networking, Computer Science, Information Technology, or a similar field.

  • Basic script & programming skills background eg PERL, PYTHON, Web 2.0 etc

  • Networking knowledge, ideally at least 4 elements from (Ethernet, VLANs, VxLAN, EVPN, IP Routing, TCP/IP, OSPF, BGP, eBGP, Multicast, QoS, etc.) with hands on experience

  • Basic technical background in UNIX/Linux (Redhat or CentOS) systems

  • Native Fluent level in Japanese

  • Business level English is a plus

  • Ability to write technical papers is a plus

  • Internship in a technical field or Sales is preferred

  • Strong analytical and problem-solving skills

  • Ability to multitask, self-start, work in a dynamic team environment and work independently

  • Travel to local customer sites and Arista offices

Additional Information

  • Candidates must be based in Japan.
  • Candidates must possess a valid work permit for Japan at the time of application.
  • Please clearly state your current work authorization status in your application.