David Parrish
Site Reliability Engineer at The Trade Desk
Sydney, New South Wales, Australia
Summary
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SeniorDavid Parrish is a seasoned Site Reliability Engineer with 23 years of experience building and operating large-scale Linux systems, most recently at The Trade Desk after a long tenure at Google. He combines deep system administration skills with Perl and Python expertise to deliver resilient, automated infrastructure and reliable operational practices. As an engineering lead at Squiz and a long-serving SRE at Google, he has shepherded complex production systems through growth and incident challenges. David also contributes to open-source tooling such as libcli, a Cisco-like command-line library he developed to embed robust telnet interfaces and configuration modes into software. Based in Sydney, he brings practical, low-level engineering fluency and a history of evolving operational capabilities across telco, MSP, and cloud environments.
23 years of coding experience
21 years of employment as a software developer
Stackoverflow
33reputation
1kreached
1answer
0questions
Github Skills (14)
c1710
text-manipulation10
command-line-interface10
strings10
c1110
command-line10
cli10
memory-management8
linked-list8
authentication7
user-authentication7
google-app-engine6
python6
blob-store6
Programming languages (10)
Github contributions (5)
dparrish/libcli
Apr 2003 - Oct 2021
Libcli provides a shared library for including a Cisco-like command-line interface into other software. It's a telnet interface which supports command-line editing, history, authentication and callbacks for a user-definable function tree.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 1 review, 88 commits in 18 years 8 months
Contributions summary:David's contributions center on developing a shared library, `libcli`, for a Cisco-like command-line interface. Their initial work involved establishing the foundational code, and included command registration, argument parsing, and history handling. The user added functionality to add, remove and manage users. Later changes focused on incorporating features such as filter, support for enable/disable and configuration mode.
shared-libraryline-editingcallbackscommand-line-interfaceauthentication
dparrish/openinstrument
Sep 2014 - Jul 2019
Contributions:64 commits, 3 pushes in 4 years 11 months
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