$$$$
{{ $t($store.state.user.experience_value_in_dollars) }}
Expert
{{ $t($store.state.user.experience_search_name) }}
0
jobs
DevOps engineer with more then 15 years of experience
Roeland Molenaar
,
Riga, Latvia
Experience
Other titles
Skills
I'm offering
DevOps Engineer and DBA with broad experience in various technologies and platforms. Particularly interested in monitoring, logging and dashboard creation.
Specialties:
- Linux/Unix/Windows administration
- Amazon Web Services
- Java application management
- Jboss/Tomcat/Glassfish/Weblogic
- Oracle Database 9/10/11 , MySQL, PostgreSQL
- Tools development using python or Ruby
Specialties:
- Linux/Unix/Windows administration
- Amazon Web Services
- Java application management
- Jboss/Tomcat/Glassfish/Weblogic
- Oracle Database 9/10/11 , MySQL, PostgreSQL
- Tools development using python or Ruby
Markets
United States
(Remote
only)
United Kingdom
(Remote
only)
Germany
(Remote
only)
Lithuania
(Remote
only)
Denmark
(Remote
only)
Norway
(Remote
only)
Sweden
(Remote
only)
Finland
(Remote
only)
Links for more
Once you have created a company account and a job, you can access the profiles links.
Language
German
Good
English
Fluently
Dutch
Fluently
Ready for
Ongoing relation / part-time
Available
My experience
2014 - 2019
job
DevOps Engineer
Space Ape Games.
Assisted in the architecture, setup and launch of the infrastructure for 3 award winning mobile games (Rival Kingdoms, Transformers: Earth Wars, Fastlane: Road to Revenge) and several other unannounced projects. Worked on several games/projects as lead and performed tasks such as:
● Setup and management of several AWS accounts (usually 1-2 per game).
● Setup and management of cross account services such as logging, monitoring, Consul, Vault, deployments.
● Creation and deployment of several API's and dashboards for code and config deployments.
● Deployment and management of cross game/account deployment tool (spinnaker) for immutable infrastructure.
● Deployment of containers to ECS and EKS.
● Creation of tools/scripts in Ruby and Golang
● Active participation in game development/ game jams using Unity.
Technologies used:
AWS (EC2, VPC, ELB, CloudFormation, SNS, SQS, Lambda, Kinisis, ECS, EKS, Elasticsearch, Elasticache, DynamoDB), Chef, Ruby, React, RoR, Javascript, Unity, Go, Spinnaker, Docker, Jenkins, Git, Sensu, Consul, Vault, Terraform
● Setup and management of several AWS accounts (usually 1-2 per game).
● Setup and management of cross account services such as logging, monitoring, Consul, Vault, deployments.
● Creation and deployment of several API's and dashboards for code and config deployments.
● Deployment and management of cross game/account deployment tool (spinnaker) for immutable infrastructure.
● Deployment of containers to ECS and EKS.
● Creation of tools/scripts in Ruby and Golang
● Active participation in game development/ game jams using Unity.
Technologies used:
AWS (EC2, VPC, ELB, CloudFormation, SNS, SQS, Lambda, Kinisis, ECS, EKS, Elasticsearch, Elasticache, DynamoDB), Chef, Ruby, React, RoR, Javascript, Unity, Go, Spinnaker, Docker, Jenkins, Git, Sensu, Consul, Vault, Terraform
Management, Ruby on rails, Go, Winning, Monitoring, Development, Infrastructure, Architecture, Unity, Game development, Elasticsearch, Javascript, Golang, Deployment, Jenkins, DevOps, API, Docker, AWS, Git, React
2011 - 2014
job
Hosted Operations Engineer
Atlassian.
Assisted with the launch of Atlassian's OnDemand (SaaS) service and working as a Hosted Operations
Engineer for the service as part of a global team operating from three geographical locations. Worked on
several projects using DevOps mentality including:
● Creation and integration of a monitoring service for Atlassian OnDemand leveraging Amazon's EC2 cloud and Nagios.
● Creation and integration of a logging infrastructure using logstash and ElasticSearch with a throughput of about 5000 messages per second.
● Created several API's and Dashboards using Ruby, Python and Javascript.
● Operations of about >40K VM's running over >100K services.
● Datacenter migration.
Technologies used:
Linux (Debian, CentOS), OpenVZ, Puppet, Amazon AWS, logstash, ElasticSearch, Nagios, Ruby, Python, Javascript, PostgreSQL, Atlassian (Jira, Confluence, Fisheye, Bamboo, Bitbucket), Git, Mercurial
Engineer for the service as part of a global team operating from three geographical locations. Worked on
several projects using DevOps mentality including:
● Creation and integration of a monitoring service for Atlassian OnDemand leveraging Amazon's EC2 cloud and Nagios.
● Creation and integration of a logging infrastructure using logstash and ElasticSearch with a throughput of about 5000 messages per second.
● Created several API's and Dashboards using Ruby, Python and Javascript.
● Operations of about >40K VM's running over >100K services.
● Datacenter migration.
Technologies used:
Linux (Debian, CentOS), OpenVZ, Puppet, Amazon AWS, logstash, ElasticSearch, Nagios, Ruby, Python, Javascript, PostgreSQL, Atlassian (Jira, Confluence, Fisheye, Bamboo, Bitbucket), Git, Mercurial
Service, Ruby on rails, Mercurial, Logstash, Nagios, Debian, Atlassian, Amazon, Monitoring, Datacenter, CentOS, Infrastructure, Confluence, Javascript, Elasticsearch, Integration, Saas, Cloud, Jira, DevOps, PostgreSQL, API, AWS, Linux, Git, Python
2011 - 2011
job
Senior System Engineer
Alliander NV.
Worked on a project to upgrade Alliander's Internet infrastructure, which included; PoC for implementation of Puppet, OMD and other tools to increase managebility and reliability of the infrastructure.
Technologies used:
Linux (Redhat), Puppet, Apache, OpenSSL, RSA Cleartrust, OMD, Nagios, Nagvis, PNP4Nagios, Tridion, Oracle Weblogic
Technologies used:
Linux (Redhat), Puppet, Apache, OpenSSL, RSA Cleartrust, OMD, Nagios, Nagvis, PNP4Nagios, Tridion, Oracle Weblogic
Linux, Oracle, Apache, Implementation, Infrastructure, Weblogic, Internet, Nagios
2011 - 2011
job
Senior System Engineer
BlueDome IAS BV.
Migration of Nagios to newest version, creation and modification of Nagios checks. Creation and implementation of proof of concept for functional web application monitoring using multiple tools on multiple platforms.
Technologies used:
Linux (RH), Windows Server 2008, Microsoft AD, Nagios, NagVis, Check_MK, PNP4Nagios, Puppet.
Technologies used:
Linux (RH), Windows Server 2008, Microsoft AD, Nagios, NagVis, Check_MK, PNP4Nagios, Puppet.
Linux, Windows server, Windows, Implementation, Monitoring, Server, Web, Nagios
2010 - 2010
job
Senior System Engineer
Yenlo BV.
Setup and implementation of Enterprise client systems on VMWare. Setup and implementation of Single Sign-on environment using VASCO security tokens, Radius and Microsoft Active Directory. Setup of bugtracker Jira and company wiki Confluence. Setup and implementation of Nagios monitoring system. Operational support for Linux, Oracle databases and various middleware solutions.
Technologies used:
Linux (OEL), Windows Server 2008, Microsoft AD, VASCO Identikey, Oracle Glassfish, MySQL, MonetDB, Liferay, Oracle DB, Oracle RMAN, Oracle OEM, Nagios, NagVis, Check_MK, PNP4Nagios.
Technologies used:
Linux (OEL), Windows Server 2008, Microsoft AD, VASCO Identikey, Oracle Glassfish, MySQL, MonetDB, Liferay, Oracle DB, Oracle RMAN, Oracle OEM, Nagios, NagVis, Check_MK, PNP4Nagios.
Security, Nagios, Enterprise, Server, Monitoring, Middleware, Implementation, Confluence, Support, Mysql, Windows, Windows server, Active Directory, VMware, Jira, Oracle, Linux
2010 - 2010
job
Senior Linux Engineer
Marktplaats / eBay classifieds group.
Implementation and administration of a new JAVA based application on the Gigaspaces XAP platform. Working together with development team using the SCRUM methodology. Implementation of automatic deployments on test environments. Development and presentation of a proof of concept for a new monitoring solution.
Technologies used:
Linux (debian), Gigaspaces XAP, MySQL, Puppet, Nagios, Check_MK, PNP4Nagios, NagVis, Hudson, Gitorious, Git, Apache, Tomcat, Puppet, Shell Scripting.
Technologies used:
Linux (debian), Gigaspaces XAP, MySQL, Puppet, Nagios, Check_MK, PNP4Nagios, NagVis, Hudson, Gitorious, Git, Apache, Tomcat, Puppet, Shell Scripting.
Mysql, Java, Scrum, Git, Linux, Administration, Scripting, Apache, Test, Tomcat, Implementation, Development, Monitoring, Debian, Nagios
2008 - 2010
job
System Engineer/DBA
TomTom.
Worked on several projects including:
● Administration of the TomTom server farm, consisting of about 700 servers with a very diverse mix of applications and databases. Worked as DBA for the Oracle Databases used for the webshop environments.
● Worked as lead engineer on the development and implementation of a subscription system written in Java and using Jboss as application server. Setup and configuration of all used systems in test, acceptance and production environments. Deployments of new software on all environments. Creation of monitoring scripts and checks for Nagios.
● Development and implementation of a new customer returns system for handling RMA's and other complaints. Setup of test, acceptance and production environments and deployment of applications on those environments.
● Development, implementation and administration of TomTom's webshop. Worked on setting up a new webshop. Setup of Oracle RAC database cluster and Intershop Enfinity application cluster. Writing of shell scripts and monitoring checks for maintenance.
● Migration webshop. Worked as lead engineer on a project to migrate the webshop to a different datacenter. Setup and implement new Oracle RAC cluster using NetApp storage and Tridion/Intershop application clusters.
● Vendor selection and implementation of a virtualization platform at TomTom's datacenters. Setup and testing of a proof of concept for multiple virtualization technologies, such as VMware and Citrix Xen. Performance and load testing of TomTom application on new virtualized environments.
Technologies used:
Linux, Redhat, Suse, Jboss, Tomcat, Apache, PHP, ActiveMQ, Shell Scripting, NetApp, Oracle Database 10g, Oracle RAC, Oracle ASM, Oracle RMAN, OCFS2, JAVA, MySQL MSSQL, Intershop, Enfinity, Tridion, Windows, Nagios, VMware, Citrix Xen
● Administration of the TomTom server farm, consisting of about 700 servers with a very diverse mix of applications and databases. Worked as DBA for the Oracle Databases used for the webshop environments.
● Worked as lead engineer on the development and implementation of a subscription system written in Java and using Jboss as application server. Setup and configuration of all used systems in test, acceptance and production environments. Deployments of new software on all environments. Creation of monitoring scripts and checks for Nagios.
● Development and implementation of a new customer returns system for handling RMA's and other complaints. Setup of test, acceptance and production environments and deployment of applications on those environments.
● Development, implementation and administration of TomTom's webshop. Worked on setting up a new webshop. Setup of Oracle RAC database cluster and Intershop Enfinity application cluster. Writing of shell scripts and monitoring checks for maintenance.
● Migration webshop. Worked as lead engineer on a project to migrate the webshop to a different datacenter. Setup and implement new Oracle RAC cluster using NetApp storage and Tridion/Intershop application clusters.
● Vendor selection and implementation of a virtualization platform at TomTom's datacenters. Setup and testing of a proof of concept for multiple virtualization technologies, such as VMware and Citrix Xen. Performance and load testing of TomTom application on new virtualized environments.
Technologies used:
Linux, Redhat, Suse, Jboss, Tomcat, Apache, PHP, ActiveMQ, Shell Scripting, NetApp, Oracle Database 10g, Oracle RAC, Oracle ASM, Oracle RMAN, OCFS2, JAVA, MySQL MSSQL, Intershop, Enfinity, Tridion, Windows, Nagios, VMware, Citrix Xen
Windows, UP, Nagios, Load testing, Production, Server, Monitoring, Datacenter, Storage, Virtualization, Software, Development, Testing, Implementation, Tomcat, Citrix, Php, Test, Deployment, Oracle database, Apache, Scripting, VMware, Database, MSSQL, Oracle, Webshop, Writing, Administration, Linux, Java, Mysql
2005 - 2007
job
System Engineer/DBA
Markit.
Markit is one of the leading distributors of financial data. The main responsibilities in this function
were to keep the production servers running and also the operational administration of the production database.
Tasks and responsibilities:
● Administration of large databases (1TB) (Oracle/SQLServer)
● Installation, configuration and use of Oracle enterprise manager grid control
● Installation and configuration of complex Oracle database environments (9i, 10g, RAC, dataguard).
● Installation and configuration of Unix systems with application server like Jboss and Bea Weblogic.
● Administration of about 500 unix/solaris/windows systems.
● Monitoring of servers and services using Nagios.
● Administration of bug tracking system Jira/Confluence
Technologies used:
Linux, JAVA, Jboss, Weblogic, Solaris, Oracle Database, Apache, Resin, Nagios, Windows Server, MSSQL Server, SUN Storageworks
were to keep the production servers running and also the operational administration of the production database.
Tasks and responsibilities:
● Administration of large databases (1TB) (Oracle/SQLServer)
● Installation, configuration and use of Oracle enterprise manager grid control
● Installation and configuration of complex Oracle database environments (9i, 10g, RAC, dataguard).
● Installation and configuration of Unix systems with application server like Jboss and Bea Weblogic.
● Administration of about 500 unix/solaris/windows systems.
● Monitoring of servers and services using Nagios.
● Administration of bug tracking system Jira/Confluence
Technologies used:
Linux, JAVA, Jboss, Weblogic, Solaris, Oracle Database, Apache, Resin, Nagios, Windows Server, MSSQL Server, SUN Storageworks
Windows server, Manager, Nagios, Enterprise, Production, Weblogic, Server, Monitoring, Confluence, Mssql server, Windows, Java, Oracle database, Unix, Apache, Database, MSSQL, Jira, Oracle, Administration, Linux
2005 - 2005
job
Application Manager
UWV.
The responsibilities were to except and solve problems for a proprietary web-application. This was
done in an ITIL based environment.
Tasks and responsibilities:
● Register, maintain and solve technical and procedural questions
● Process authentications
● Communication with customers
● Process change requests
● Make and maintain documentation
Technologies used:
Linux, Windows, VMS, ASP, MS Excel
done in an ITIL based environment.
Tasks and responsibilities:
● Register, maintain and solve technical and procedural questions
● Process authentications
● Communication with customers
● Process change requests
● Make and maintain documentation
Technologies used:
Linux, Windows, VMS, ASP, MS Excel
Excel, Linux, ITIL, Windows, ASP, Web, Manager
2002 - 2004
job
System Administrator
PINS.
As a system administrator the responsibilities were to administer a hosting platform on both Windows and Linux.
Tasks and responsibilities:
● Installation and maintenance of Windows and Linux systems
● Installation and maintenance of hosting applications
● Install, maintain and administer Lotus Notes servers
● Solve and register helpdesk tickets
● Development of helpdesk application in Lotus Notes
● Network/server migrations
Technologies used:
Linux, Windows, IIS, Apache, postfix, PHP, Lotus Domino, perl
Tasks and responsibilities:
● Installation and maintenance of Windows and Linux systems
● Installation and maintenance of hosting applications
● Install, maintain and administer Lotus Notes servers
● Solve and register helpdesk tickets
● Development of helpdesk application in Lotus Notes
● Network/server migrations
Technologies used:
Linux, Windows, IIS, Apache, postfix, PHP, Lotus Domino, perl
Php, Linux, Apache, Windows, Network, Perl, Hosting, IIS, Development, Server, Administrator, Postfix
My education
Nova College
Vocational, Computer Science
Vocational, Computer Science
Roeland's reviews
Roeland has not received any reviews on Worksome.
Contact Roeland Molenaar
Worksome removes the expensive intermediaries and gives you direct contact with relevant talent.
Create a login and get the opportunity to write to Roeland directly in Worksome.
are ready to help you
and get specific bids from skilled talent in Denmark