Charles Teese
Site Reliability Engineer at Telestream
Denver, Colorado, United States
Summary
👤
Senior🎓
Top SchoolCharles Teese is a Site Reliability Engineer with over a decade of hands-on experience building secure, production-grade infrastructure and IaC platforms across AWS, Kubernetes/EKS, ECS, and Terraform/Terragrunt. He combines deep systems and security chops—from hardening servers and running on-call for 30+ services to designing KVM workflows for sensitive PII—with pragmatic DevOps practices like Artifactory, Okta-backed SSO, and Datadog monitoring. Charles has migrated numerous dockerized workloads between platforms and led team training to operationalize new tooling and patterns. An active open-source contributor, he strengthened Freenet’s cryptographic storage and implemented custom secure primitives, reflecting a strong emphasis on data protection beyond typical ops work. Based in Denver, he seeks collaborative, inclusive environments where reliability and security are first-class products.
12 years of coding experience
11 years of employment as a software developer
Information Security, Information Security at Luleå University of TechnologyBachelor of Arts (B.A.) Computer Science, Bachelor of Arts (B.A.) Computer Science at Hampshire College
Github Skills (9)
testing10
jtest10
javas10
bouncy-castle10
encryption10
cryptography10
java10
decryption10
file-storage9
Programming languages (13)
Github contributions (5)
hyphanet/fred
Jul 2014 - Aug 2018
Freenet REference Daemon
Role in this project:
Back-end Developer
Back-end DeveloperContributions:40 commits, 25 comments in 4 years 2 months
Contributions summary:Charles primarily focused on refactoring and enhancing the cryptographic aspects of the Freenet project. They integrated the BouncyCastle library, specifically the OCBBlockCipher, and then deprecated it, switching to a new CryptByteBuffer and EncryptedRandomAccessThing implementation. Their work included creating and testing various cryptographic classes, like MasterSecret, CryptByteBuffer, and EncryptedRandomAccessThing, indicating a strong emphasis on security and data protection within the project. These changes reflect improvements to how files are stored and accessed within the Freenet network.
distributeddaemonp2pfreenet
cbb692/wizardsNStuff
Feb 2015 - Mar 2015
Contributions:1 release, 195 commits, 163 pushes in 1 month
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