Phil Hollenback
Staff Software Engineer at LinkedIn
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolPhil Hollenback is a Staff Software Engineer in San Francisco with 15 years of infrastructure-first experience that evolved from Linux sysadmin to site reliability and now infosec-focused software engineering. He leads technical projects at LinkedIn building Python and Go solutions to modernize authentication and directory services, including SSO integrations and migrations off legacy LDAP. Phil combines hands-on systems expertise—deployments, patching, vulnerability scanning, and fleet automation—with a track record of improving test and certification pipelines for OS snapshots. He’s comfortable across tooling and languages (Python, Bash, Ruby, Go) and has a pragmatic eye for operational quality and observability. An early adopter of declarative deployments (NixOS) and scalable yubikey-based auth at enterprise scale, he brings practical depth to security infrastructure modernization.
15 years of coding experience
26 years of employment as a software developer
BS Computer Science English Literature, BS Computer Science English Literature at University of Montana
Stackoverflow
206reputation
4kreached
2answers
0questions
Github Skills (6)
html10
css10
makefile8
shell6
tmux6
emacs6
Programming languages (6)
Github contributions (5)
tels7ar/resume
Dec 2011 - May 2022
Resume for Philip J. Hollenback, made of magical Markdown!
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:32 commits, 1 PR, 24 pushes in 10 years 7 months
Contributions summary:Phil's commits primarily involve modifications to the `resume-phil.html` file, which appears to be a resume formatted in HTML. The changes include updating the content of the resume by adding/modifying the experience section. Additional commits include minor changes to the css file to improve the look of the resume. A few commits focus on HTML updates via a makefile.
markdown
tels7ar/home-assistant.io
Jan 2021 - Aug 2021
:blue_book: Home Assistant User documentation
Contributions:13 pushes in 6 months
blueuser-documentationassistanthacshome-automation
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