de
Keywords
Skills
I am a Linux expert with over 10 Years experience and Redhat RHCE certification, Docker skills and also Amazon AWS.
I am a good developer with code experience in PHP / Javascript / Node.js / Cordova.
I can do architect, design, build projects, development or training/ workshops.
I live in Luxembourg but looking for new projects in Benelux / France / UK/ Germany if there is some onsite/offsite work.
Skills
Linux Systems Senior Specialist +10 years experience ( design, build, automate, operate )
Redhat RHCE certified engineer
RedHat Cluster 2 Years
Security on Linux systems ( SELinux, Firewall, Auditd, PKI, Intrusion Detection IDE )
Cloud Environments
Amazon AWS S3, IAM,Lambda, CloudWatch
Google GCP
Microsoft Azure
Virtualization/Containers
Docker Docker-Composer VmWare KVM
Develop ( 9 years )
Javascript development ES6 / node.js
Bash / Shell
Php 7
Sql
Database Design and Administration 5 Years
MySQL/MariaDB
NoSQL
Oracle
Mobile Applications develop
Application Architecture
Apache Cordova
BackEnd Develop
I am a good developer with code experience in PHP / Javascript / Node.js / Cordova.
I can do architect, design, build projects, development or training/ workshops.
I live in Luxembourg but looking for new projects in Benelux / France / UK/ Germany if there is some onsite/offsite work.
Skills
Linux Systems Senior Specialist +10 years experience ( design, build, automate, operate )
Redhat RHCE certified engineer
RedHat Cluster 2 Years
Security on Linux systems ( SELinux, Firewall, Auditd, PKI, Intrusion Detection IDE )
Cloud Environments
Amazon AWS S3, IAM,Lambda, CloudWatch
Google GCP
Microsoft Azure
Virtualization/Containers
Docker Docker-Composer VmWare KVM
Develop ( 9 years )
Javascript development ES6 / node.js
Bash / Shell
Php 7
Sql
Database Design and Administration 5 Years
MySQL/MariaDB
NoSQL
Oracle
Mobile Applications develop
Application Architecture
Apache Cordova
BackEnd Develop
Project history
PHP Training Consultant
02/2019 - 03/2019 VesperiaGroup / Numericall
Trainer for a PHP 7 Training Course
Topics including: php 7, git , mysql, apache, Web Forms Security, Token, CRSF, XSS, Sql Injection, Cryptography
Build of an Web Application ( PHP PDO / MySQL ) for Students Practice
Mobile Application Developer // Full Stack Developer
10/2018 - 12/2018 mVision.pt
Mobile application Development for Tourism Audio Guide.
Application Architecture and Development.
Development was made on Javascript with the Cordova/PhoneGap FrameWork using google maps sdk, gps and text to voice.
Development platform is Linux with node.js and tools for continuous integration, automated deployment/versioning grunt, bash scripts.
BackEnd Development for content preparation with Node.js scripts connecting to several APIs ( google maps apis )
App Project Page
https://play.google.com/store/apps/details?id=pt.mvision.luxappguide&hl=en
technologies used:
Hybrid application / cordova / phonegap / ionic / javascript / css / node.js / linux / html5 / yaml / grunt / git / rest
Linux DevOps Engineer
09/2018 - Current ( personal project )
Linux Systems Admin work on web/email hosting server, system upgrade, security, performance for http:///www.liber4e.com
Reverse proxy setup with cloudflare service
technologies used:
Linux OS, Docker, Ansible
AWS S3, Lambda, SES,Cloud Watch, IAM
GIT
Mobile Application Developer // Full Stack Developer
01/2016 - 06/2018 ( part-time 3h/day personal project )
I created a mobile application for video live effects, it is available on google play market.
Application Architecture and Development.
Development was made on Javascript with the Cordova/PhoneGap FrameWork.
Advanced features developed like, code update over the air, code protection, remote variable settings, computer vision, face recognition, 3d effects, threejs.
Development platform is Linux with node.js and tools for continuous integration, continuous delivery, automated deployment/versioning like firebase, grunt, bash scripts.
Created the web site for the application page, including html5/css editing and cloud hosting.
App Project Page
https://appsasync.com/facemovweb/
https://play.google.com/store/apps/details?id=com.appsasync.facemov&hl=en
technologies used:
Hybrid application / cordova / phonegap / ionic / firebase / javascript / css / node.js / linux / cloud hosting / docker / ansible / html5 / yaml / grunt / git
Parental Leave
2013 - 2016
Stopped Comercial work after my daughter was born
Clearstream :: Middleware Training Consultant
June 2013 – June 2013 (1 month) Luxembourg
RedHat JBoss middleware software training session
Created a custom training session for a 2 hour introduction to JBoss EAP, including a overview on the software and demo of the most common operations, start/stop, deploy/undeploy apps, manage servers or group of servers under a domain
European Commission ( DIGIT Outsourcing/IRIS ) :: Unix / Linux Systems Engineer
06.2012 10.2012 Luxembourg
Industry: Public Sector
Member of the Unix team providing support and project work for all unix systems of the European Commission (+2000 servers Solaris / Linux / PROD / DEV )
Project work: upgrade of the configuration management tool cfengine, improve automation and system provisioning
Environment:
Redhat Linux 5.4 / 5.8
Solaris 9 10 / Solaris Zones
Sun Cluster
Vmware
Veritas vxfs
Legato Networker backup
Cfengine 3 / SVN / Automation / System provisioning
HeartBeat / KVM / pacemaker
perl scripting
Clearstream / Deutsch Boerse Group :: Linux Middleware Performance Engineer
01.2012 06.2012 ( 2 x 3 months extensions) :: Luxembourg
Industry: Banking / Finance
Was hired to provide Linux performance tuning/monitoring knowledge for the Technical Testing Team
Environment is based on Linux, WebLogic,Oracle and several legacy banking applications ( C, Cobol )
Acceptance test are executed on the environment, using schedulers ( UC4 ), performance analysis is matched against a baseline. I’m expected to improve the capture and analysis of the linux systems, and input some tuning settings. Installation of the several releases of software is expected has well.
Environment:
Redhat Linux 5.4 / 5.8
Veritas Cluster / Veritas Volume Manager
Oracle 11G /Toad / sqlplus
Websphere
EIB - European Investment Bank :: Linux Systems Engineer
11.2009 :: 12.2011 :: 4 X 6 Months Contract Extensions :: Luxembourg
Industry: Banking
DIMENSION: Medium/Large, 3 Data center +300Servers ( Solaris / Linux )
ROLE: Senior Linux Systems Consultant: Architect/Design and Administration of linux systems
TEAM: Unix/Linux Administration Team
I was hired for this role to provide linux clustering knowledge to the unix team. I spent initial 6 months designing, testing, documenting the new cluster systems. Works involved analysis, discussion with storage and network specialists, intensive testing and tuning on performance and reliability.
Next period provided some training to the team, and worked on other running projects, including upgrade of satellite server, testing ( POC) of virtualization/cloud computing and live OS migration with KVM, automation/optimization of the build process with kickstart, customization of standard build based on RHEL 6, physical migration to virtual p2v
Maintenance/operations tasks on Linux/Solaris systems
OS Security and certificate (PKI ) management.
Work is performed under ITIL environment.
Several POC: drbd disk replication, oracle cluster, jboss server, virtualization, high availability solutions
Technologies:
RedHat 4|5|6, Redhat cluster suite, Oracle,scripting:perl,shell, bash. iscsi, san storage, multipath,lvm, RedHat Satellite, Sybase ASE,MySQL,Apache,NetBackup,Mq Series,Mercator, HPC, cobbler,puppet,JBoss, subversion , cvs. c code editing, Solaris OS, hp smartstart, insight manager, centos OS, oracle vm virtualbox, citrix xenserver
Systems / Services to manage ::: OS: Linux RedHat / Ubuntu +/- 100
HP / EDS :: Senior Unix / Linux Systems Administration
05.2009 :: 09.2009 :: Portugal
Industry: IT
ROLE: Senior Unix / Linux Systems Administration
Unix Systems Support Team – Third Line Support
On this role I was part of a remote support team from HP that provided systems administration services to several customers among them, one large cable tv operator with very complex systems.
I was hired to provide Linux high level knowledge and training to the Unix team. Fix security issues on Linux Systems.
Provided also generic maintenance OS tasks on HP-UX,Solaris,Linux
Main Customers:
ZON :: ISP leader in Portugal ( www.zon.pt): +/- 100 Unix/Linux Servers
SonaeSierra www.sonaesierra.com : Real Estate :+/- 30 Servers: Linux / HP-UX
GCT gcp.pt Retail Chain +/- 30 Servers:: Linux / HP-UX Servers
Technologies:
HP–UX 11.11 - 11.23, Solaris 9,Linux Suse,RedHat,Oracle Linux, Oracle DB, Sigma,SAP,VOIP,TIBCO,Siebel, Oracle Cluster, HP Service Guard Cluster,RedHat Cluster Suite, SAP, MySQL, MySQL replication, DNS, LDAP, qmail servers, VmWare ESX, Veritas NetBackup, Veritas Storage and Backups, HP SAN EVA STORAGE, HP OpenView, HP Service Guard, HP Service Desk ,HPC, vxvm
Major Tasks
Unix Administration Team
Provide UNIX / Linux OS support to HP clients systems, troubleshoot issues, build new systems, install/configure software, manage access / security, Design Cluster / Applications / Architecture for new systems, MySQL tunning, hot backup setup, clustering setup. 24/7 Environment, OnCall support shifts, automation and scripting for administration tasks with bash, perl. Manage Storage on HP EVA and Veritas
Portugal Telecom :: Senior Unix Systems Consultant
12.2008 – 04.2009 :: fixed term contract :: 2 extensions
Industry: Telecom / IT
ROLE: Senior Unix Systems Consultant
My main task on this role was to design a mediation software for capturing email data information and stored it for quick search purposes needed by law. Other tasks included Solaris Administration and automation of web applications testing.
Technologies: Solaris, MySQL, Bash, AWK,Perl, Eclipse, windows, Linux, ubuntu, Selenium, Cacti
Dimension Data :: Senior Linux Systems Consultant
07.2008 – 09 2008 :: fixed term contract :: Luxembourg
Industry: IT Consulting Services / web services
ROLE: Senior Linux Systems Consultant
I was hired to perform the migration of services from old redhat systems to a vmware based solution. I was responsible for all redhat/linux work and gave inputs to the vmware design team.
Service to be migrated was a large web site with medium traffic editus.lu
Technologies: vmware esx, apache 2, reverse proxy, bind, postfix,rpm, make,cmake, Webshpere
DHL IT - Deutsche Post World Net :: Senior Linux Systems Consultant
9.2007 12.2007 :: fixed term contract dhl.cz :: Prague Czech Republic
Industry: IT Consulting Services
ROLE: Senior Linux Systems Consultant
I was hired has a Linux specialist to be part of the team conducting acceptance tests/checking on a very large datacenter migration with +200 linux servers being moved to dhl prague datacenter. I perform systems audit,created some automation tools for the work, and participate on regular meetings
Technologies:
HP ProLiant DL580 G4, HP StorageWorks, Veritas, RedHat Linux 4 | 5, Run bash script
Liber4e.com :: Senior Linux Consultant / Web Developer / DBA
2003 - 2008 :: smaller freelance projects work
Industry: IT Consulting Services
ROLE: Senior Linux Consultant / Web Developer / Database Administration / Security
I perform several projects directly to end customers for companies in Portugal, those projects were mostly web based solutions and involved coding/development, database design and systems administration.
Besides the technical work I also did the sales, customer contact, project management.
Created a hosting service based on Linux together with a monitoring solution.
Security of Hosting servers ( selinux, firewall,auditd, Intrusion detection IDE )
Developed a php based framework for quick setup of web based solutions
Setup several business suites for Content Management, eCommerce, CRM and ERP solutions based on open source software.
Build/Tested several high-availability solutions based on Linux
Technologies:
sendmail, nagios , munin, apache, Mysql, linux-ha,mysql cluster,vmware, Solaris 9, Open Solaris, ubuntu cluster, windows , Gentoo, Oracle, make,cmake,ant,kickstart,cobbler, PHP, Eclipse, KDE Kdevelopment, Joomla, VirtueMart, CRM vTiger,bash, Android OS, Eucaliptos,JBoss, amazon ec2, cloud computing, citrix xenserver, firewall, iptables, nessus,tripwire, postgres,
Permanent Contracts
Siemens :: www.siemens.com ::
Start 09.2000 End 03.2003 :: permanent contract
Industry: IT- Software Systems & Design
Role: eBusiness Consultant-Project Managent & Pre-Sales
I was hired to coordinate the Content Management and mobile business unit of Siemens Business Services compromising pre-sales work and project management.
Involving relationship and negotiation with partners, prospect of new solutions, interfacing with Siemens technical staff, promotion and marketing of the portfolio
Major Project:
Caixa Geral de Depósitos (Portuguese National Banc) www.cgd.pt
Content Management Software (CMS) Vignete Server for company Intranet
ONI Telecom :: www.oni.pt
Start 10.1999 End 09.2000 :: permanent contract
Industry: Telecom (Intenet Service Provider)
Role: Project Manager for several content projects for the webportal www.oninet.pt
02/2019 - 03/2019 VesperiaGroup / Numericall
Trainer for a PHP 7 Training Course
Topics including: php 7, git , mysql, apache, Web Forms Security, Token, CRSF, XSS, Sql Injection, Cryptography
Build of an Web Application ( PHP PDO / MySQL ) for Students Practice
Mobile Application Developer // Full Stack Developer
10/2018 - 12/2018 mVision.pt
Mobile application Development for Tourism Audio Guide.
Application Architecture and Development.
Development was made on Javascript with the Cordova/PhoneGap FrameWork using google maps sdk, gps and text to voice.
Development platform is Linux with node.js and tools for continuous integration, automated deployment/versioning grunt, bash scripts.
BackEnd Development for content preparation with Node.js scripts connecting to several APIs ( google maps apis )
App Project Page
https://play.google.com/store/apps/details?id=pt.mvision.luxappguide&hl=en
technologies used:
Hybrid application / cordova / phonegap / ionic / javascript / css / node.js / linux / html5 / yaml / grunt / git / rest
Linux DevOps Engineer
09/2018 - Current ( personal project )
Linux Systems Admin work on web/email hosting server, system upgrade, security, performance for http:///www.liber4e.com
Reverse proxy setup with cloudflare service
technologies used:
Linux OS, Docker, Ansible
AWS S3, Lambda, SES,Cloud Watch, IAM
GIT
Mobile Application Developer // Full Stack Developer
01/2016 - 06/2018 ( part-time 3h/day personal project )
I created a mobile application for video live effects, it is available on google play market.
Application Architecture and Development.
Development was made on Javascript with the Cordova/PhoneGap FrameWork.
Advanced features developed like, code update over the air, code protection, remote variable settings, computer vision, face recognition, 3d effects, threejs.
Development platform is Linux with node.js and tools for continuous integration, continuous delivery, automated deployment/versioning like firebase, grunt, bash scripts.
Created the web site for the application page, including html5/css editing and cloud hosting.
App Project Page
https://appsasync.com/facemovweb/
https://play.google.com/store/apps/details?id=com.appsasync.facemov&hl=en
technologies used:
Hybrid application / cordova / phonegap / ionic / firebase / javascript / css / node.js / linux / cloud hosting / docker / ansible / html5 / yaml / grunt / git
Parental Leave
2013 - 2016
Stopped Comercial work after my daughter was born
Clearstream :: Middleware Training Consultant
June 2013 – June 2013 (1 month) Luxembourg
RedHat JBoss middleware software training session
Created a custom training session for a 2 hour introduction to JBoss EAP, including a overview on the software and demo of the most common operations, start/stop, deploy/undeploy apps, manage servers or group of servers under a domain
European Commission ( DIGIT Outsourcing/IRIS ) :: Unix / Linux Systems Engineer
06.2012 10.2012 Luxembourg
Industry: Public Sector
Member of the Unix team providing support and project work for all unix systems of the European Commission (+2000 servers Solaris / Linux / PROD / DEV )
Project work: upgrade of the configuration management tool cfengine, improve automation and system provisioning
Environment:
Redhat Linux 5.4 / 5.8
Solaris 9 10 / Solaris Zones
Sun Cluster
Vmware
Veritas vxfs
Legato Networker backup
Cfengine 3 / SVN / Automation / System provisioning
HeartBeat / KVM / pacemaker
perl scripting
Clearstream / Deutsch Boerse Group :: Linux Middleware Performance Engineer
01.2012 06.2012 ( 2 x 3 months extensions) :: Luxembourg
Industry: Banking / Finance
Was hired to provide Linux performance tuning/monitoring knowledge for the Technical Testing Team
Environment is based on Linux, WebLogic,Oracle and several legacy banking applications ( C, Cobol )
Acceptance test are executed on the environment, using schedulers ( UC4 ), performance analysis is matched against a baseline. I’m expected to improve the capture and analysis of the linux systems, and input some tuning settings. Installation of the several releases of software is expected has well.
Environment:
Redhat Linux 5.4 / 5.8
Veritas Cluster / Veritas Volume Manager
Oracle 11G /Toad / sqlplus
Websphere
EIB - European Investment Bank :: Linux Systems Engineer
11.2009 :: 12.2011 :: 4 X 6 Months Contract Extensions :: Luxembourg
Industry: Banking
DIMENSION: Medium/Large, 3 Data center +300Servers ( Solaris / Linux )
ROLE: Senior Linux Systems Consultant: Architect/Design and Administration of linux systems
TEAM: Unix/Linux Administration Team
I was hired for this role to provide linux clustering knowledge to the unix team. I spent initial 6 months designing, testing, documenting the new cluster systems. Works involved analysis, discussion with storage and network specialists, intensive testing and tuning on performance and reliability.
Next period provided some training to the team, and worked on other running projects, including upgrade of satellite server, testing ( POC) of virtualization/cloud computing and live OS migration with KVM, automation/optimization of the build process with kickstart, customization of standard build based on RHEL 6, physical migration to virtual p2v
Maintenance/operations tasks on Linux/Solaris systems
OS Security and certificate (PKI ) management.
Work is performed under ITIL environment.
Several POC: drbd disk replication, oracle cluster, jboss server, virtualization, high availability solutions
Technologies:
RedHat 4|5|6, Redhat cluster suite, Oracle,scripting:perl,shell, bash. iscsi, san storage, multipath,lvm, RedHat Satellite, Sybase ASE,MySQL,Apache,NetBackup,Mq Series,Mercator, HPC, cobbler,puppet,JBoss, subversion , cvs. c code editing, Solaris OS, hp smartstart, insight manager, centos OS, oracle vm virtualbox, citrix xenserver
Systems / Services to manage ::: OS: Linux RedHat / Ubuntu +/- 100
HP / EDS :: Senior Unix / Linux Systems Administration
05.2009 :: 09.2009 :: Portugal
Industry: IT
ROLE: Senior Unix / Linux Systems Administration
Unix Systems Support Team – Third Line Support
On this role I was part of a remote support team from HP that provided systems administration services to several customers among them, one large cable tv operator with very complex systems.
I was hired to provide Linux high level knowledge and training to the Unix team. Fix security issues on Linux Systems.
Provided also generic maintenance OS tasks on HP-UX,Solaris,Linux
Main Customers:
ZON :: ISP leader in Portugal ( www.zon.pt): +/- 100 Unix/Linux Servers
SonaeSierra www.sonaesierra.com : Real Estate :+/- 30 Servers: Linux / HP-UX
GCT gcp.pt Retail Chain +/- 30 Servers:: Linux / HP-UX Servers
Technologies:
HP–UX 11.11 - 11.23, Solaris 9,Linux Suse,RedHat,Oracle Linux, Oracle DB, Sigma,SAP,VOIP,TIBCO,Siebel, Oracle Cluster, HP Service Guard Cluster,RedHat Cluster Suite, SAP, MySQL, MySQL replication, DNS, LDAP, qmail servers, VmWare ESX, Veritas NetBackup, Veritas Storage and Backups, HP SAN EVA STORAGE, HP OpenView, HP Service Guard, HP Service Desk ,HPC, vxvm
Major Tasks
Unix Administration Team
Provide UNIX / Linux OS support to HP clients systems, troubleshoot issues, build new systems, install/configure software, manage access / security, Design Cluster / Applications / Architecture for new systems, MySQL tunning, hot backup setup, clustering setup. 24/7 Environment, OnCall support shifts, automation and scripting for administration tasks with bash, perl. Manage Storage on HP EVA and Veritas
Portugal Telecom :: Senior Unix Systems Consultant
12.2008 – 04.2009 :: fixed term contract :: 2 extensions
Industry: Telecom / IT
ROLE: Senior Unix Systems Consultant
My main task on this role was to design a mediation software for capturing email data information and stored it for quick search purposes needed by law. Other tasks included Solaris Administration and automation of web applications testing.
Technologies: Solaris, MySQL, Bash, AWK,Perl, Eclipse, windows, Linux, ubuntu, Selenium, Cacti
Dimension Data :: Senior Linux Systems Consultant
07.2008 – 09 2008 :: fixed term contract :: Luxembourg
Industry: IT Consulting Services / web services
ROLE: Senior Linux Systems Consultant
I was hired to perform the migration of services from old redhat systems to a vmware based solution. I was responsible for all redhat/linux work and gave inputs to the vmware design team.
Service to be migrated was a large web site with medium traffic editus.lu
Technologies: vmware esx, apache 2, reverse proxy, bind, postfix,rpm, make,cmake, Webshpere
DHL IT - Deutsche Post World Net :: Senior Linux Systems Consultant
9.2007 12.2007 :: fixed term contract dhl.cz :: Prague Czech Republic
Industry: IT Consulting Services
ROLE: Senior Linux Systems Consultant
I was hired has a Linux specialist to be part of the team conducting acceptance tests/checking on a very large datacenter migration with +200 linux servers being moved to dhl prague datacenter. I perform systems audit,created some automation tools for the work, and participate on regular meetings
Technologies:
HP ProLiant DL580 G4, HP StorageWorks, Veritas, RedHat Linux 4 | 5, Run bash script
Liber4e.com :: Senior Linux Consultant / Web Developer / DBA
2003 - 2008 :: smaller freelance projects work
Industry: IT Consulting Services
ROLE: Senior Linux Consultant / Web Developer / Database Administration / Security
I perform several projects directly to end customers for companies in Portugal, those projects were mostly web based solutions and involved coding/development, database design and systems administration.
Besides the technical work I also did the sales, customer contact, project management.
Created a hosting service based on Linux together with a monitoring solution.
Security of Hosting servers ( selinux, firewall,auditd, Intrusion detection IDE )
Developed a php based framework for quick setup of web based solutions
Setup several business suites for Content Management, eCommerce, CRM and ERP solutions based on open source software.
Build/Tested several high-availability solutions based on Linux
Technologies:
sendmail, nagios , munin, apache, Mysql, linux-ha,mysql cluster,vmware, Solaris 9, Open Solaris, ubuntu cluster, windows , Gentoo, Oracle, make,cmake,ant,kickstart,cobbler, PHP, Eclipse, KDE Kdevelopment, Joomla, VirtueMart, CRM vTiger,bash, Android OS, Eucaliptos,JBoss, amazon ec2, cloud computing, citrix xenserver, firewall, iptables, nessus,tripwire, postgres,
Permanent Contracts
Siemens :: www.siemens.com ::
Start 09.2000 End 03.2003 :: permanent contract
Industry: IT- Software Systems & Design
Role: eBusiness Consultant-Project Managent & Pre-Sales
I was hired to coordinate the Content Management and mobile business unit of Siemens Business Services compromising pre-sales work and project management.
Involving relationship and negotiation with partners, prospect of new solutions, interfacing with Siemens technical staff, promotion and marketing of the portfolio
Major Project:
Caixa Geral de Depósitos (Portuguese National Banc) www.cgd.pt
Content Management Software (CMS) Vignete Server for company Intranet
ONI Telecom :: www.oni.pt
Start 10.1999 End 09.2000 :: permanent contract
Industry: Telecom (Intenet Service Provider)
Role: Project Manager for several content projects for the webportal www.oninet.pt
Local Availability
Open to travel worldwide
I live in Luxembourg but looking for new projects in Benelux / France / UK/ Germany if there is some onsite/offsite work.
I can do onsite work for a few days or attend meetings in Benelux / France / UK/ Germany
I can do onsite work for a few days or attend meetings in Benelux / France / UK/ Germany
