Julian Lemmerich
Consultant at DHBW Mannheim
Heilbronn, Baden-Württemberg, Germany
Summary
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Rockstar🎓
Top SchoolJulian Lemmerich is a cyber security consultant with six years of hands-on experience bridging research, responsible disclosure, and applied security practice. Based in Heilbronn, Germany, he progressed from IT helpdesk and Active Directory management roles to a dual study program and now consults at cirosec while lecturing network and communications technology at DHBW Mannheim. His background combines a BSc in Cyber Security, studies in digital philology, and practical skills in scripting and automation that accelerate operational workflows. Known for publishing research and coordinating disclosures, he brings a researcher’s curiosity to real-world security problems and a knack for making complex network concepts teachable.
6 years of coding experience
Technischen Universität DarmstadtNetwork and System Administration/Administrator, Network and System Administration/Administrator at Högskolan i SkövdeBachelor of Science - BS, Informatik Cyber Security, Bachelor of Science - BS, Informatik Cyber Security at DHBW Mannheim
Github Skills (152)
uploader10
lte10
photo10
authentication10
backup10
file-upload10
bypass10
javascript10
5g10
photo-gallery10
on-the-fly10
credentials10
c-language10
open5gs10
sveltekit10
Programming languages (13)
Github contributions (5)
TINF21CS1/zimbraweb-smtp-bridge
Oct 2021 - May 2022
A Docker container as SMTP relay that interfaces with zimbraweb.
Contributions:3 releases, 16 reviews, 48 commits in 6 months
smtprelaydocker-imagedubsmtp-relay
TINF21CS1/kilowatt_kojote
Nov 2023 - Dec 2023
Contributions:12 reviews, 34 PRs, 83 pushes in 1 month
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