Guillermo Grandes
System Engineer SecDevOps at Worldline Global
Greater Barcelona Metropolitan Area Spain
Summary
👤
Senior🎓
Top SchoolGuillermo Grandes is a seasoned System Engineer SecDevOps with 13+ years building and securing Linux-based infrastructures and cloud services, currently focused on remote roles from the Barcelona area. He combines deep hands-on expertise in GNU/Linux, virtualization (VMware/KVM/XeN), SAN/iSCSI storage and a broad AWS stack (IAM, VPC, EC2, Lambda, CloudFront, etc.) with practical Java, Perl and Bash scripting to automate and harden systems. Long tenure at Worldline Global underlines his ability to operate in enterprise environments while delivering SecDevOps practices like PKI/SSL, firewalls, forensic analysis and perimeter audits. He favors open-source tools and FOSS principles, balances day-to-day sysadmin/DevOps work with hobbyist development, and is candid about his basic technical English—preferring fully remote positions. Outside IT he brings a knack for hands-on crafts (gardening, carpentry) and a pragmatic, humorous approach to continuous improvement.
13 years of coding experience
15 years of employment as a software developer
La Salle (Universitat Ramon Llull)Grupo EIDOS
Spanish, English, Catalan
Stackoverflow
2,107reputation
1.4mreached
48answers
0questions
tomcat
top-5%
maven
top-5%
java
top-5%
jar
top-5%
Github Skills (197)
tinyurl10
corretto10
sshd10
websocket10
apache-http-server10
sftp10
clustering10
ssh10
redirector10
tunneling10
httpd10
bip3210
forward-proxy10
bitcoin10
java10
Programming languages (13)
Github contributions (5)
ggrandes/log4j-tomcat
Jul 2016 - Mar 2022
Contributions:3 pushes, 1 branch, 3 tags in 5 years 8 months
ggrandes/eraser
Aug 2014 - Apr 2017
Contributions:15 commits, 3 pushes, 1 tag in 2 years 7 months
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