Mark Reynolds
Principal Software Engineer at Red Hat
Reading, Pennsylvania, United States
Summary
🤩
Rockstar🎓
Top SchoolMark Reynolds is a Principal Software Engineer with 14+ years focused on identity and directory services, currently architecting and maintaining IDM/LDAP solutions at Red Hat from Reading, Pennsylvania. His deep pedigree includes decade-long LDAP sustaining work at Sun Microsystems and senior engineering at Oracle, giving him rare institutional knowledge of directory replication, changelogs, and access controls. An active open-source contributor, he improved replication changelog reliability in the widely used FreeIPA project—adding ACIs, extending trimming intervals, and integrating JSON-based replication status support. Mark blends systems-level backend engineering with pragmatic operational insight, often addressing subtle replication edge cases that surface only at scale.
14 years of coding experience
12 years of employment as a software developer
Computer Science, Computer Science at Penn State University
Github Skills (19)
ldap10
python10
identity-management10
freeipa10
backend10
replication10
admin9
database-administration9
databases9
database9
access-control7
user-management6
kerberos4
certificate4
dns4
Programming languages (5)
Github contributions (5)
freeipa/freeipa
Jun 2019 - Oct 2020
Mirror of FreeIPA, an integrated security information management solution
Role in this project:
Back-end Developer
Back-end DeveloperContributions:28 reviews, 10 commits, 26 PRs in 1 year 4 months
Contributions summary:Mark primarily contributed to the FreeIPA project by implementing and improving the replication changelog functionality. They addressed issues related to the new and old changelog entries, including adding new Access Control Instructions (ACIs) for the new changelog location. Furthermore, the user updated changelog trimming intervals from 7 to 30 days, addressing potential replication issues. They also made adjustments to database backend and mapping tree creation order, as well as incorporated support for the JSON-based replication status messages from 389-ds.
policyactive-directory-integrationpampythonfreeipa
389ds/389wiki
Aug 2014 - Jan 2023
openshift migration
Contributions:8 reviews, 438 commits, 69 PRs in 8 years 7 months
kubernetesmigrationopenshift
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