TAC Engineer

AristaNetworks

Dublin or Shannon, , Ireland permanent

Posted: May 8, 2026

Required Skills

Job 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

Arista Networks is looking for Technical Solutions engineers to join our world class

TAC support team. A TAC/Technical Solutions Engineer at Arista Networks will

support our customers across various industry verticals with Arista products and

solutions. You will have access to labs to perform your own recreates, along with

training on our products and assigned mentors. This role also entails cross functional

interaction with HW, SW and sales teams internally. This role not only offers an

opportunity to learn cutting edge technology but also hone critical thinking, customer

interaction skills and communication skills.

What You'll Do

• Post-sales technical support of Arista Datacenter and Campus products and
• solutions.
• Respond to customer product inquiries via telephone or email.
• Resolve customer concerns raised during installation, operation, maintenance,
• product application, or compatibility matters.
• Troubleshoot problems with hardware equipment and software applications and
• recommend corrective action.
• Recreate customer network issues in a dedicated lab environment (as needed).
• Document customer communication and recurring technical issues to support product quality programs and product development.

#LI-JH1

• Proficiency with TCP/IP and the traditional networking technologies required.
• Knowledge of core networking concepts and protocols such as: ARP, BGP, DHCP, Flow Control, ICMP, IGMP, IPv4 & IPv6, LACP, LLDP, OpenFlow, OSPF, PIM, QOS, RIP, Sflow, SNMP, STP Server virtualization (VMware ESXi, Microsoft Hyper-V, KVM, etc) 
• Networking troubleshooting tools such as IXIA, tcpdump, and Wireshark.
• Programming/scripting proficieny in either C++, Java, Python, Perl, JavaScript, shell.
• Linux OS navigation.
• Knowledge of Containers (Kubernetes, Docker, etc.) and SDN networking concepts.
• Minimum education is a BS in a technical field (CS/Networking majors preferred).
• Industry certifications preferred.
• Prior customer-facing experience preferred.

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