Daniel Šintaj

Technology Secrets Keeper *

* Systems administrator & DevOps professional.


Server administration

+ 5yrs experience: systems administration, web hosting services, high availability, virtualization, databases, linux troubleshooting, developer support.

See my plans

DevOps approach

Focusing on easy collaboration between machines and developers. Setting environmetns for development, staging and production. Ansible for every server.

Remote SysAdmin

High availability

24/7 monitoring, backups and assistance in case of emergency problems. Analysis of you infrastructure, detecting problems, designing reliable changes.

Free consultations



Virtual Servers 7.0. For every developer whose interest is in his application logic, rathern than in obscure server configuration.

ReThinkOps.com Blog

Big players are losing the power of flexibility. Web hosting world faster. New technologies applied in real servers.

office experience

Systems administrator at Creative Web s.r.o.

Supporting Java and PHP developers working on popular gastronomy portals in Slovakia and Czech Republic.

Startup community, automating deployment procedures from development to production, designing and scheduling Jenkins jobs, developing Ansible playbooks and experimenting with Linux containers (Docker.)

December 2013 - June 2014

Systems administrator at DIGMIA s.r.o.

Engineering large server farms (100+ servers) and clusters based mainly on RedHat Enterprise Linux, Scientific Linux and CentOS for the biggest media portals in Slovakia.

Strong focus on high availability, database replications and load balancing.

November 2011 - April 2012

Systems administrator at Web4U s.r.o.

Administration of web hosting, mail hosting and database services for customers of *.cz TLD in Prague, Czech Republic.

Migrated single webhosting platform with thousands of domains to multiple redundant server solutions in order to increase service reliability for all customers.

January 2013 - July 2013

Systems administrator at WebSupport s.r.o.

Taking care of the extensive server infrastructure for the number one *.sk TLD web hosting provider in Bratislava, Slovakia.

Classic stacks of Apache, Nginx, PHP, MySQL in heterogenous shared-hosting environments.

January 2010 - July 2011



€ 75 / month

SysAdmin: 1 server max.

Email tickets: 1 / week
Phone calls: 1 / week

Time to reply:
up to 5 days

Time to resolving:
up to 7 days

Backups: no
Monitoring: yes

Alert notifications:
you and our admin (email)


€ 250 / month

SysAdmin: 1 server max.

Email tickets: 5 / week
Phone calls: 3 / week

Time to reply:
next business day

Time to resolving:
next business day

Backups: yes
Monitoring: yes

Alert notifications:
you and our admin (email)


€ 1500 / month

SysAdmin: unlimited

Email tickets: 50 / week
Phone calls: unlimited

Time to reply:
up to 60 minutes, 24x7

Time to resolving:
up to 24 hours, 24x7

Backups: yes
Monitoring: yes

Alert notifications:
you and our admin (email, sms)


Let's stay in touch:

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Contact information

Email : daniel@rethinkops.com
Web : www.rethinkops.com
Working hours :
Flexible, upon agreement