Sean Flack
Manager, Systems Engineering at Arista Networks
Chester, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSean Flack is a senior networking leader with 11+ years of hands-on and customer-facing experience across Cisco and Arista, now managing Systems Engineering for EMEA at Arista. He holds a first-class degree in computer networking and achieved CCIE (R&S) early in his career, pairing deep routing and switching expertise with practical data center architecture knowledge (Nexus, Catalyst, Arista EOS). Sean has delivered high-stakes designs and troubleshooting for tier-1 finance, HPC and cloud customers, including low-latency and multicast deployments for financial exchanges. He blends pre-sales and post-sales responsibilities, driving network optimisation, technical design authority and automation via Python scripting. Known for consistently excellent customer feedback, he combines carrier-scale protocol mastery (BGP, OSPF, ISIS, MPLS) with pragmatic experience of virtualization and OpenStack integrations. Based in Chester, he brings a rare mix of field-proven operational troubleshooting and strategic platform-level leadership.
11 years of coding experience
19 years of employment as a software developer
Computer Networking and Security Networking Information Security Business, Computer Networking and Security Networking Information Security Business at Birmingham City University
Github Skills (89)
python10
automation10
home-assistant10
mqtt10
ansible10
eos10
home-automation10
jinja210
iot10
network-automation10
privacy10
raspberry-pi10
asyncio9
internet-of-things9
garden9
Programming languages (6)
Github contributions (5)
perimore/home-assistant
Sep 2019 - Oct 2020
:house_with_garden: Open source home automation that puts local control and privacy first
Contributions:8 pushes, 2 branches in 1 year 1 month
raspberry-pihouseprivacy-firstprivacygarden
perimore/core
Oct 2020 - Oct 2020
:house_with_garden: Open source home automation that puts local control and privacy first
Contributions:9 pushes, 1 branch in 1 day
raspberry-pihouseprivacy-firstprivacygarden
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