People Matter

Technical Solutions Engineer - TAC

Arista Networks

Arista Networks

Shannon, Co. Clare, Ireland
Posted on Tuesday, January 16, 2024

Company Description

Arista Networks was founded to pioneer and deliver software-driven cloud networking solutions for large data center storage and computing environments. Arista’s award-winning platforms, ranging in Ethernet speeds from 10M to 400G bits per second, redefine scalability, agility and resilience. Arista has shipped more than 10 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

At the core of Arista's platform is the Extensible Operating System (EOS™), a ground-breaking network operating system with single-image consistency across hardware platforms, and modern core architecture enabling in-service upgrades and application extensibility.

Job Description

  • Respond to customer product inquiries via telephone or via email.

  • Resolve customer concerns raised during installation, operation, maintenance or product application or compatibility matters.

  • Interpersonal skills and product knowledge and expertise are critical to responding to daily customer-centric activities.

  • Troubleshoot problems with hardware equipment and software applications and recommend corrective action.

  • Document customer communication and recurring technical issues to support product quality programs and product development.


The ideal candidate possesses the ability to troubleshoot complex and dynamic customer environments while balancing the communications needs of each case. A strong analytical mind is required, as is the ability to triage. As we are continually releasing new features and products, a high aptitude for both learning and teaching are required.

Our engineers work closely with other members of Customer Engineering as well as both Software and Hardware development – both in diagnosing problems as well as communicating them in multiple technical contexts. Thus, excellent written and verbal communication skills are a must, as is a collaborative approach.

Required Product Knowledge and Technical Skills:

  • Working knowledge of networking industry, products, and protocols

  • Minimum of 1-5 years hands-on experience and a combination of the designing, deploying, configuring, supporting, troubleshooting, debugging and administering of the following network protocols and technologies:

  • Clos Fabric (Spine and Leaf), AAA/RADIUS/TACACS, ACL, ARP, MP-BGP , DHCP, 1G/10G Ethernet (IEEE 802.3ab & IEEE 802.3ae) and other higher speed Ethernet interfaces, EVPN, IEEE 802.3x flow control and IEEE 802.1Qbb priority-based flow control, ICMP,, IPSec, IPv4 & IPv6, LACP, LLDP, MACSec, MPLS, NAT, OpenFlow, OSPFv2 and OSPFv3, Multicast, IGMP, PIM, QoS, Sflow, SNMP, STP/RSTP/MST (IEEE 802.1D), VARP, VRRP, VLAN (IEEE 802.1Q), VRF, VXLAN

  • Experience with troubleshooting tools such as IXIA, tcpdump, and Wireshark (or similar packet generation and analysis tools) is highly desired

  • A strong comfort level with Linux is highly desired

  • Familiarity with programming/scripting (C++, Java, Python, Perl, JavaScript, shell)/ Cloud Environment/Automation a plus

Additional Information


Minimum education is a BS in a technical field (CS/EE/ITP preferred). Industry certifications preferred. Prior TAC experience preferred.

Hours and place of work

Role based in Shannon with Hybrid work scheme in place.


The salary will be competitive and commensurate with the candidate’s experience.


  • Pension contribution
  • Private medical insurance
  • Flexitime
  • Hybrid working arrangements
  • Profit sharing
  • Sick pay
  • On-site parking
  • Company events
  • Wellness program

Supplemental pay types

  • Performance bonus

All your information will be kept confidential according to EEO guidelines.