Justas Balcas
Software Engineer at Energy Sciences Network (ESnet)
Naperville, Illinois, United States
Summary
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Rockstar🎓
Top SchoolJustas Balcas is a software engineer with 12 years of experience specializing in software-defined networking, HPC clusters, and scalable on-prem Kubernetes deployments for scientific workflows. Currently at ESnet, he designs the Site Resource Manager for the SENSE project and implements in-network data caching to accelerate large-scale scientific data transfers. Previously at Caltech and CERN he managed Tier-2 computing facilities, led Kubernetes migrations, and automated infrastructure with Puppet and Ansible while mentoring junior SREs. His background in NLP and data analysis early in his career gives him a practical edge in data-driven optimization and tooling. Based in Naperville, IL, he combines systems-level networking know-how with hands-on DevOps to prototype efficient, reliable solutions for research communities. He is known for translating complex distributed systems requirements into pragmatic, production-ready architectures.
12 years of coding experience
11 years of employment as a software developer
Master's degree, Information Technology, Master's degree, Information Technology at Vytautas Magnus University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (153)
cms10
rdma10
cfml10
business-process10
python10
fuse10
blob-storage10
jdownloader10
backblaze10
gossip10
backbonejs10
edtech10
glusterfs10
build-configuration10
fdt10
Programming languages (11)
Github contributions (5)
fast-data-transfer/fdtcp
Oct 2015 - Jun 2017
Contributions:1 release, 31 commits, 11 PRs in 1 year 8 months
databasedata-transfer
cmscaltech/docker
Feb 2022 - May 2024
Docker configs we use on Tier2/SDN
Contributions:4 reviews, 20 PRs, 128 pushes in 2 years 3 months
configstier2dockersdn
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