Mark Rossmair
Security Engineer at asappinc
New York, New York, United States
Summary
👤
SeniorMark Rossmair is a seasoned security leader with a decade of experience securing large-scale systems and leading product security programs. As Head of Product Security at CLEAR, he shapes security strategy for product development, vulnerability remediation, and secrets management at scale. Earlier at Carta he served as Staff and Senior Staff Security Engineer, building security architectures and driving automation across engineering teams. Across roles at ASAPP and Flatiron Health, he delivered iterative security improvements—architecting automated vulnerability management, deploying Vault for secrets, hardening Kubernetes, and reducing infrastructure vulnerabilities by significant margins. He brings hands-on expertise in PCI-DSS, HIPAA, and SOC2 readiness, and has led initiatives to defend against both application-layer and infrastructure threats. Based in New York, Mark is also an Owlhacks Lead Organizer and OSCP-certified security professional, known for turning security into scalable, production-ready capability.
11 years of coding experience
Github Skills (41)
jira10
python8
matrix8
chat8
kotlin7
java7
signal7
matrix-org7
android6
network-tools6
messenger6
bundle5
jedi5
testing4
bash4
Programming languages (5)
Github contributions (5)
Rossmairm/DotFiles
May 2015 - Jun 2024
Contributions:6 pushes, 1 branch in 9 years 2 months
Rossmairm/algos
Jan 2015 - Jun 2016
Contributions:8 pushes in 1 year 5 months
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