Technical Solutions Engineer, Campus & WiFi-focused - Sydney
Arista Networks is an industry leader in client-to-cloud networking for campus and wireless LAN environments.
Who you'll work with
We are seeking a Campus & WiFi-focused Technical Solutions Engineer (TSE) to join our Customer Engineering team. You will be the primary point of contact for enterprise customers deploying Arista's campus switching and wireless LAN solutions.
What you'll do
* Act as the subject‐matter expert for Arista EOS‐based campus switching (CCS‐710, 720, 750 series) and WiFi 5/6/6E/7 access‐point platforms.
* Troubleshoot and resolve complex Layer 2/3 campus network issues covering VLANs, STP/RSTP/MST, LACP, LLDP, QoS, and multicast.
* Support customers deploying and operating CV‐CUE (CloudVision Cognitive Unified Edge) and Arista WiFi, including RF planning, channel management, roaming, and client connectivity.
* Diagnose wireless issues such as RF interference, 802.11 association/authentication failures, WPA3/802.1X/RADIUS, roaming (802.11r/k/v), and throughput degradation.
* Assist with WLAN controller‐less architecture questions, AP onboarding, tunnel configurations, and cloud‐vision‐driven zero‐touch provisioning for campus.
* Respond to customer inquiries via phone and email in a professional manner, setting clear expectations and driving to root‐cause resolution.
* Conduct live troubleshooting sessions, packet captures, and log analysis with customers and their network teams.
* Reproduce customer issues in the TSE's dedicated lab environment to validate bug reports and workarounds.
* Work with software engineering to open, track, and validate bug fixes, providing clear reproduction steps and packet‐level evidence.
* Document recurring issues and contribute to internal knowledge‐base articles and runbooks.
Qualifications
* 5+ years of hands‐on experience designing, deploying, and supporting enterprise campus networks.
* Strong knowledge of IEEE 802.11 standards (a/b/g/n/ac/ax/be) and RF fundamentals (SNR, RSSI, MCS rates) with experience troubleshooting WLAN architectures.
* Solid Layer 2/3 campus skills (VLANs, STP/RSTP/MSTP, LACP, LLDP, QoS, traffic shaping, 802.1X, MAC‐Based Authentication, RADIUS, AAA, DHCP, ARP, IPv4/IPv6, IGMP snooping).
* Advanced routing and fabric knowledge (BGP, OSPF, VXLAN/EVPN).
* Proficiency in packet analysis using Wireshark, tcpdump, and OTA wireless captures.
* Exceptional English communication skills, both written and verbal.
* Proficient in multiple CLI environments and comfortable with Linux CLI, APIs (REST/gRPC) for network management, and scripting (Python, shell).
Education & Certifications
* Bachelor's degree in Computer Science, Electrical Engineering, or a related field (Master's preferred).
* Certifications such as CWNE, CWSP, CWNA; CCNP/CCIE Enterprise or equivalent; Arista ACE certifications are valued.
* Prior experience in a TAC or post‐sales technical support environment is strongly preferred.
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