Jeff Ahrenholz
Senior Software Engineer at Apple
Mercer Island, Washington, United States
Summary
👤
Senior🎓
Top SchoolJeff Ahrenholz is a Senior Software Engineer with 12 years of experience building secure, high-performance systems across cryptographic protocols, networking, embedded Linux, and virtualization. He is the primary developer of the open-source Host Identity Protocol (OpenHIP) and a key contributor to the widely used CORE network emulator, where he focused on backend infrastructure and distributed session control. His OpenHIP work helped spawn Tempered Networks and the Airwall product, which was later acquired by JCI to harden critical infrastructure communications. Now on Apple’s Services Engineering team, he blends deep protocol-level expertise with pragmatic engineering leadership and a knack for turning research-grade projects into production-ready solutions. An early University of Washington computer engineering graduate based in Mercer Island, he’s known for fostering strong engineering culture and collaborative teams while remaining hands-on in complex system design.
12 years of coding experience
Bachelor of Science (BS) Computer Engineering, Bachelor of Science (BS) Computer Engineering at University of Washington
Github Skills (6)
net10
configuration-management10
emulation10
python10
distributed-systems9
xml8
Programming languages (3)
Github contributions (5)
coreemu/core
Aug 2013 - Oct 2020
Common Open Research Emulator
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 189 commits, 42 PRs in 7 years 2 months
Contributions summary:Jeff primarily contributed to the back-end infrastructure and session management within the CORE emulator. Their work included enhancing session options to support spaces in values, implementing messages and functionality for distributed session control, and providing fixes for runtime issues in EMANE integration. The user also added capabilities to generate and handle configuration messages for different scenarios. The user modified the software's core and daemon components to implement new features.
emulatorpythonemulating-networkswirelessemulation
siliconja/examples
Oct 2016 - Jan 2025
Contributions:44 pushes, 1 branch in 8 years 5 months
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