Career Profile
- System Administrator
- System Architect
- Security Engineer
- Linux Automation Specialist
- Linux Migration Specialist
Experience
- Ensure information security, privacy, and data integrity through policy development, implementation, and maintenance.
- Responsible for Security & ISO 27001 certifications.
- Responsible for providing secure, fast and reliable access to data and applications for our employees.
- Responsible for internal IT, hardware, network and software.
Technologies Used: VMWare, Proxmox, Debian, CentOS, FreeBSD, Windows, Azure, Ansible, Huawei, Fortigate, GDPR, ISO27001, ISO27002, NIS2
- Responsible for internal IT, hardware, network and software.
- Responsible for Security & ISO 27001 certifications.
- Responsible for providing secure, fast and reliable access to data and applications for our employees.
- Design and developing Ansible playbooks and roles for various applications.
- Integrate Ansible with CI/CD pipelines for automated deployments.
- Manage large numbers of servers using Ansible.
Technologies Used: VMWare, Debian, Windows, Azure, Ansible, Huawei, Fortigate
Technologies Used: Kali, Debian, Ubuntu, VMWare, Ansible, Cisco, Juniper, Huawei, Fortigate
- Design detailed Ansible playbooks to define system desired states. These playbooks contained a sequential series of tasks, ensuring consistent and repeatable configurations.
- Utilize Ansible roles to enhance code reusability and maintainability. Roles bundled related tasks, variables, and files, enabling modular and structured automation.
- Integrated Ansible seamlessly into CI/CD pipelines to achieve automated deployments and continuous delivery. This integration, using tools like Jenkins or GitLab CI, enabled:
- Automated test execution after each code commit.
- Automatic deployment of infrastructure changes to test and production environments.
- Ensured consistency across different environments.
Technologies Used: 1000+ virtual servers, VMWare, RedHat, Ansible, Gitlab, Satelite, IPA, MySQL, PostgresQL
- Designing and developing Ansible playbooks and roles for various applications.
- Integrating Ansible with CI/CD pipelines for automated deployments.
- Managing large numbers of servers using Ansible.
- Using Ansible Tower.
Technologies Used: 100+ virtual servers, VMWare, RedHat, PHP, Python, Ansible Tower, Gitlab, Satellite
Technologies Used: 500+ physical servers, 3500+ virtual servers, CloudLinux, CentOS, Debian, Ubuntu, FreeBSD, Apache, Nginx, Exim, cPanel, DirectAdmin, NFS, ZFS, Ceph, Ansible, KVM, Proxmox, Ceph, Docker, Huawei Switches, HP Switches, Dell PowerEdge, HP Proliant, SuperMicro
Technologies Used: 100+ physical servers, RedHat, Ansible, Zookeeper, Kafka, Flume, Hdfs, Spark, Logstash, Elasticsearch
Technologies Used: 100+ virtual servers, Kali, Debian, Ubuntu, VMWare, Ansible
Technologies Used: 10 physical servers, CentOs, Ansible, Citrix XenServer, CentOS 7, Git, Ansible, Icinga, Ruby, Perl, Kickstart, Dell PowerEdge
Technologies Used: 100+ virtual servers, RedHat, CentOS, Debian, Ubunut, SlackWare, Amazon AWS, VMWare, Ansible, Puppet, Nagios, Docker, PRTG, Zabbix, PHP
Technologies Used: 6 monitoring nodes for 1000+ systems, CentOS, Nagios, MySQL, Ansible, HP Blades, HP 3PAR Storage, HP Switches and Routers.
Technologies Used: 5 physical servers, Windows Server, Debian, HyperV, PostgresQL
Technologies Used: 100+ virtual servers, CentOS, Debian, Ubuntu, Solaris, VMWare, Ansible, Nagios, Cisco, HP Procurve, HP Lefthand
- Setting up an emergency high availability load balancing system for 9292.nl based on HA Proxy, KeepAlived and Nginx.
- Setting up a high availability LDAP system for Tele2 4G consumer data.
- Designing a central system logging setup based on Logstash, Elasticsearch, Kibana and Graphite.
Technologies Used: 100 physical servers, RedHat, Centos, Debian, Solaris, VMWare, OpenLDAP, Active Directory, Dell Netvault, Dell PowerEdge, HP Proliant, F5 BigIP, A10 Loadbalancers
Technologies Used: 2000+ virtual servers, Debian, Ubuntu, SVN, Mercurial, Git, Puppet, Nagios, Graphite, Cacti
- Design, implementation and maintenance webmail cluster
- Design, implementation and maintenance of KVM virtualisation clusters
- Design, implementation and maintenance of Puppet in combination with Passenger configuration systems
Technologies Used: 100+ physical servers, Dell PowerEdge, CentOS, Ubuntu, Apache, MySQL, Postfix, SendMail, Courier, Git, Puppet, Nagios, Graphite, Cacti
Technologies Used: 500 physical servers, Dell PowerEdge, Dell PowerVault, SuperMicro Storage, Debian, MySQL, PostgresQL, KVM, Apache, Postfix, Spamassassin, Nagios, Diablo NNTP
- Design, implementation and maintenance VMWare clusters
- Design, implementation and maintenance of Puppet configuration systems
- Design, implementation and maintenance of Squid web filters
- Design, implementation, conversion, migration from Exchange to Zimbra
- Implementation and maintenance of Zabbix monitoring solution
- Backup network Engineer (Juniper SRX240/EX4200 / Cisco 9513/3650)
- Backup Windows Engineer (Windows 2003 / 2008)
Technologies Used: 100+ physical servers, HP Proliant, HP BladeCenters, VMWare, CentOS, Windows 2003/ 2008, Cisco IOS, JunOS, MySQL, Apache, Postfix, Spamassassin, Zabbix, Zimbra, Samba, IIS 7, MS Exchange 2003/2010, Active Directory, Cisco switches, Cisco routers, Juniper switches, Juniper firewalls, EMCSAN storage
- Design, implementation, and maintenance of internal network (Cisco ASA/2950/3650)
- Design, implementation and maintenance VMware ESX 4 environment
- Design, implementation and maintenance of internal and external DNS servers
- Design, implementation and maintenance Voice Over IP telephony, faxing
- Design, implementation and maintenance of Mailhosting clusters
- Design, Implementation and Maintenance Web Hosting Clusters
- Design, implementation and maintenance Opsview/ Nagios monitoring cluster
- Providing support to the Programming department during changes
Technologies Used: 5000+ physical servers, HP Proliant, HP BladeCenters, Dell PowerEdge, Supermicro, VMWare, RedHat, CentOS, Debian, Ubuntu, FreeBSD, Windows 2003/ 2008, Cisco IOS, JunOS, MySQL, Apache, Postfix, Spamassassin, Zabbix, Zimbra, Samba, IIS 7, MS Exchange 2003/2010, Active Directory, Cisco switches, Cisco routers, Juniper switches, Juniper firewalls, EMCSAN storage, Asterisk
Projects
- Design detailed Ansible playbooks to define system desired states. These playbooks contained a sequential series of tasks, ensuring consistent and repeatable configurations.
- Utilize Ansible roles to enhance code reusability and maintainability. Roles bundled related tasks, variables, and files, enabling modular and structured automation.
- Integrated Ansible seamlessly into CI/CD pipelines to achieve automated deployments and continuous delivery. This integration, using tools like Jenkins or GitLab CI, enabled:
- Automated test execution after each code commit.
- Automatic deployment of infrastructure changes to test and production environments.
- Ensured consistency across different environments.
- capable of multiple backend IMAP servers
- capable of multiple lables i.e. yourhosting.nl, starthosting.nl, whitelable, etc.
- minimize outgoing spam
- High availability
- Lowest costs possible