| Experience |
| Itaipu Binacional |
System Administrator |
| Foz do Iguacu, Parana, Brazil |
April 2006 - Present |
- Administration of 100+ Linux, AIX and Windows 200x servers;
- Management of several services like Samba, OpenLDAP and CUPS for 3000+ users;
- Monitoring of computer and network resources using Tivoli, Nagios and Cacti;
- Virtualization using System p and VMware;
- Servers and workstations security management;
- Automation of common tasks using Bash scripts and Python;
- Participation in 24x7 on-call rotation and tickets management;
- General problem investigation, troubleshooting and performance tuning.
| Prognus Software Livre |
Lead Consultant |
| Foz do Iguacu, Parana, Brazil |
April 2005 - March 2006 |
- Led a team of 15 free software consultants;
- Researched, developed and implemented LDAP trees and integration with Samba;
- Migrated Windows NT servers to Samba and OpenLDAP, preserving the existing relationship of Windows servers and workstations;
- Implemented FTP servers (ProFTPD and vsftpd), Web Servers (Apache), Mail Servers (Postfix), and Database Servers (MySQL and PostgreSQL);
- General free software infrastructure support.
| Parque Tecnologico Itaipu |
Researcher |
| Foz do Iguacu, Parana, Brazil |
April 2004 - March 2005 |
- Implemented the computing infrastructure of the company, creating file servers, authentication servers, mail servers and web servers, all using free and open source software;
- Defined backup and security policies;
- Researched, developed and implemented several servers for thinclients, using mostly the software provided from the LTSP Project;
- Supported specific users problems (level 2 support).
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| Qualifications |
Hardware: Computer Architectures (PowerPC, x86) and Network hardware internals.
Operating Systems: Linux, Mac OS X, AIX, Windows NT/XP/200x plus some experience with FreeBSD, OpenBSD.
Programming Languages: Scripting in general (bash, awk, sed), Python, Perl, C/C++, Java, Pascal and x86 Assembly.
Virtualization: System p (IBM), VMware and Xen.
Applications and Services: Web Servers (Apache, IIS), Samba, OpenLDAP, NFS (v3,v4), DNS/DHCP (ISC), Printing (CUPS), SSH, SMTP (Postfix), Proxy (ISA, Squid), Monitoring (Nagios, Cacti, Mon, Tivoli). Good Knowledge in BEA Weblogic, MySQL, PostgreSQL, CVS and Subversion.
Storage Systems: RAID, SAN and NAS.
Computer and Network Security: IDS (Network and host based), Firewalls (PIX, ASA, Firewall-1, IPtables), Anti-virus solutions (TrendMicro, ClamAV), Content filtering (Websense, Dansguardian), security policies and penetration tests.
Clustering Technologies: Heartbeat, DRBD and Linux Virtual Server.
Certifications: LPIC-3 - Senior Level Linux Administrator, CCNA - Cisco Certified Network Associate.
Languages:
Fluent in Portuguese; proficient in English and Spanish.
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