Gratian Crisan
Chief Software Engineer at NI (National Instruments)
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolGratian Crisan is a Chief Software Engineer with 14+ years designing and shipping real-time and embedded Linux systems, currently leading maintainership of NI’s PREEMPT_RT kernels for cRIO and PXIe hardware. He has driven NI’s Real-Time OS strategy from hands-on ports of LabVIEW RT to ARM through technical leadership of timed-loop schedulers and embedded desktop features. A regular speaker at Open Source conferences and NI’s representative in the Real-Time Linux Collaborative Project, he bridges vendor products and upstream kernel development. Gratian’s career blends deep low-level expertise—kernel maintenance, real-time tuning, and embedded toolchains—with product-focused delivery, and includes early research that led to multiple patents. Based in Austin, he pairs academic foundations from Technical University of Cluj Napoca with a track record of turning real-time constraints into robust, fielded systems.
14 years of coding experience
22 years of employment as a software developer
Master's degree, Computer Science and Automation, Master's degree, Computer Science and Automation at Technical University of Cluj Napoca
Github Skills (41)
realtime10
linux10
linux-kernel10
yocto10
kernel10
yocto-layer10
git-repository9
network-tools9
inheritance9
freedesktop9
iot9
nimble9
openembedded9
rtl-sdr8
gnuradio8
Programming languages (5)
Github contributions (5)
gratian/linux
Jul 2020 - Mar 2025
Linux kernel source for NI Linux Real-Time
Contributions:8 PRs, 41 pushes, 193 branches in 4 years 8 months
kernelrealtimekernel-sourcelinuxlinux-kernel
dvhart/librtpi
Mar 2019 - Mar 2021
Real-Time Priority Inheritance C Library Wrapper
Contributions:9 reviews, 36 commits, 13 PRs in 2 years
c-libraryinheritancewrapper-librarypriorityreal-time
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