A senior systems administration and/or Rust/Python programming role with a focus
on systems/deployment automation and/or tools development.
A cybersecurity company with a renown background in malware detection.
Senior Research Infrastructure Engineer - January 2018 to July 2018
Research Infrastructure Engineer (Lead) - March 2015 to December 2017
- led a team of 3 DevOps engineers, mentoring them on topics like writing well
defined Ansible roles and managing distributed database/VM/storage clusters
- provided infrastructure services to researchers and R&D teams, e.g. planning
and deployment of malware analysis services
- wrote a small tool in Rust to simplify controlling servers via IPMI
- implemented system lifecycle automation processes with a template-based PXE
server for provisioning bare metal systems, including FireEye's appliance OS
(saving researchers hundreds of hours of manual setup), and Ansible for
configuration management and software deployment
- deployed and managed a continuous integration environment around Drone CI
- re-architected an internal Django application around minimal Docker images
- deployed (several involved writing open-sourced Ansible roles) and managed
distributed systems such as Ceph, Cassandra, Elasticsearch and internal
FireEye systems, as well as highly available Proxmox virtualization clusters
(on top of which we maintain services like GitHub Enterprise and NetBox)
- managed inventory and hardware for a fleet of ~1000 servers
- architected and deployed monitoring environment around Prometheus
A game infrastructure development company.
Systems Engineer - July 2013 to September 2014
- orchestrated servers with Chef and other automation utilities
- worked with several Amazon Web Services, including RDS, VPC, Beanstalk
- replaced part of SG's development cycle with Docker (Jenkins CI)
- wrote various scripts in Python, Ruby and Bash
- was responsible for the security audit after the Heartbleed PSA
A shared web hosting company who also offers dedicated servers/VMs.
Systems Monitoring - December 2011 to July 2012
- monitored >4500 machines remotely (SoftLayer) using Zabbix/ZMonitor
- dealt with user abuse, compromised clients, broken configurations, and other resource usage issues
- handled network abuse/issues by either firewall or escalating to SL (UDP/SYN floods, Slowloris)
- sole assistant from the monitoring team during HG's architecture migration (32->64bit)
- wrote public announcements
on the network status forums
for extended downtime issues.
Systems Administrator - June 2011 to July 2012
- was primarily help desk support, handling website/database/application errors and
issues, backups/restorations, triage, software upgrades and installations.
- Filed internal bug reports and wrote documentation for company wikis and knowledgebase.
- batee.com - redesigned website using Bootstrap; moved
editing process from disparate HTML files to Jekyll static site generation
- Simple Mona (2014-2015) - sole administrator of this pool for the Monacoin
cryptocurrency - development halted
- involved administrating a RabbitMQ cluster, developing in Python (Flask),
and querying in Postgres
- i18n support, added Japanese translation (by me and a couple native speakers)
- Knights of Reason - primary contact for
technical issues, server owner/co-admin, forum moderator.
- The Bike Project of Urbana-Champaign
(Urbana, IL, 8/2010-2/2011) - bike mechanic and technologist, e.g. repurposed
old laptops with Debian for use at the shop.
Projects / One-Offs
- ZMonitor - cli dashboard for Zabbix
written in Ruby.
- Wagnaria - fansubbing organisation
tool written in bottle.py/Python and AngularJS
(copy of it in production).
- SIF Tracker - per-user leaderboard tracking
web application written in Flask/Python, with some backend bits in Ruby
Familiarities / Preferences
distros: arch linux, centos, debian, coreos, ubuntu (16+)
lang: bash, python, rust, ruby, markdown, json
apps: nginx, postgresql, mysql, etherpad, chef
workflow: ansible, git, vim, i3wm, remmina, lxc, vagrant/virtualbox/qemu-kvm, bash (x2)
University of Illinois at Urbana-Champaign - 2010 -- 2011 - East Asian
Languages and Cultures