Don M
Security Engineer at Gusto
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolDon M is a seasoned Security Engineer in the San Francisco Bay Area with eight years of hands-on experience spanning incident response, cloud security, and security research. He has driven measurable impact at scale—reducing AWS security group attack surface by 90%, redesigning least-privilege AWS role workflows, and improving MacOS fleet observability through pragmatic tooling and automation. At Asana he helped stand up detection and IR capabilities, mentored new engineers, and codified incident response playbooks that balanced legal and operational needs. Prior roles include leading a consumer-scale cyber product at Guidewire/Cyence where he designed fault-tolerant, sharded pipelines for 100k+ users and invented a novel cloud server geolocation technique used as a competitive advantage. He blends product-minded engineering with security research, preferring infrastructure-as-code (Terraform) and automated controls to make secure defaults the path of least resistance. Outside of work his GitHub shorthand (c16 -> c64 -> a500 -> x86 -> atmega/tiny -> hcs12 -> ...) hints at a deep, long-standing interest in systems and embedded platforms.
8 years of coding experience
13 years of employment as a software developer
Bachelor of Applied Science (B.A.Sc.), Computer Science, B, Bachelor of Applied Science (B.A.Sc.), Computer Science, B at George Mason University
Github Skills (33)
solar-energy9
esp82668
electron7
mysql7
monitoring7
typescript7
cnc7
elasticsearch6
data-visualization6
influxdb6
iot6
go6
prometheus6
analytics6
dashboard6
Programming languages (4)
Github contributions (5)
glitterkitty/EpEverSolarMonitor
Nov 2018 - Jan 2019
Use an ESP8266 to read live-, statistical- and status-data from an EpEver LandStar (LS1024B) via Modbus and publish using MQTT
Contributions:14 commits, 14 pushes, 1 branch in 1 month
esp8266modbusmqttesp8266-arduinomqtt-client
glitterkitty/mqtt-mysql
Nov 2018 - Nov 2018
MQTT mysql client and server
Contributions:13 commits, 13 pushes in 1 day
mqttmysql-client
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