Ariel Abreu
Information Security Engineer
Jacksonville, Florida, United States
Summary
🤩
Rockstar🎓
Top SchoolAriel Abreu is an Information Security Engineer with 11 years of hands-on experience securing networks, systems, and data across healthcare, hospitality, and enterprise environments. Based in Jacksonville, he combines operational IT administration (VMware, Hyper-V, Windows Server, Sophos stack) with active incident detection and response work using SIEM and Darktrace, and has led rapid data center recovery efforts. Ariel brings practical systems-level development experience from open-source projects—contributing kernel-like syscall stubs and networking improvements to the Darwin-on-Linux Darling project and building a VirtIO block driver for runtime.js—which reflects a rare blend of security, systems engineering, and low-level back-end coding. He’s comfortable under pressure, skilled at translating technical risk to leadership, and regularly designs training and compliance programs (PCI, GDPR) to reduce organizational exposure.
11 years of coding experience
5 years of employment as a software developer
Computer Science Engineer - Software Developer, Computer Science, University Degree, Computer Science Engineer - Software Developer, Computer Science, University Degree at Universidad de las Ciencias Informáticas
Spanish, English
Stackoverflow
103reputation
1kreached
1answer
2questions
Github Skills (25)
javascript10
system-programming10
os-development10
c1110
virtio10
c1710
blockdevice10
disk10
driver10
device-driver10
disk-io10
operating-system10
async9
asynchronous9
async-js9
Programming languages (21)
Github contributions (5)
darlinghq/darling
Mar 2020 - Jan 2023
Darwin/macOS emulation layer for Linux
Role in this project:
Back-end Developer & System Engineer
Back-end Developer & System EngineerContributions:2 releases, 16 reviews, 679 commits in 2 years 10 months
Contributions summary:Ariel made several contributions towards implementing and improving the Darling project, a Darwin/macOS emulation layer for Linux. The user added stub implementations for several system calls, including those related to file management and code signing, indicating an effort to improve the system's compatibility. They also implemented functionalities for system calls to retrieve information about the current architecture and added support for new networking capabilities.
emulationlinuxmacos
runtimejs/runtime
Jan 2016 - Sep 2016
[not maintained] Lightweight JavaScript library operating system for the cloud
Role in this project:Back-end Developer
Back-end DeveloperContributions:29 commits, 35 PRs, 73 pushes in 7 months
Contributions summary:Ariel primarily contributed to the development of a block device driver for the runtime.js project. Their work included implementing a VirtIO block device driver using JavaScript, involving interaction with PCI devices, queue management, and the creation of a disk interface. The user demonstrated significant effort in building core functionalities like reading and writing to disk sectors and integrating the driver into the runtime environment. The commits show the user's progression, iterating through different approaches and refining the disk API.
javascriptoperating-system
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