06/18/2026 updated

**** ******** ****
100 % available

Solution Architect, CDN engineer, System engineer

Varaždin, Croatia
Only remote
Information System graduate (Faculty of organization and informatics), RedHat academy
Varaždin, Croatia
Only remote
Information System graduate (Faculty of organization and informatics), RedHat academy

Profile attachments

Europass-CV.Zlatko-Trescec.en.pdf

About me

Focused on details and precision

Configuration ManagementEMC NetWorkerVMware ESX ServersNagiosNGINXOpenShiftPrometheusGrafanaDockerVMware
Apache, automation scripts, backup solutions, backup systems, Bash, Curl, Centreon, SSH, Configuration management, Confluence, Content Delivery Network, Information processing, Data storage, database, EMC Networker, SFTP, Firebase, Git, Grafana, HAProxy, HP Data Protector, AIX, IAM, information system, Information Systems, IT infrastructure, Informix, Jira, Kibana, LDAP, Linux system administration, load balancing, Memcached, Moodle, Nagios, servers, Network troubleshooting, Nginx, Oracle, PostgreSQL, SSL certificates, Puppet, Python, RHEL, Redis, shell scripts, Solaris OS, High availability, Linux shell, VMWare ESX server, Virtual Infrastructure, VMWare, web page, Wildfly

Experience

Professional experience10+ years
Freelancer since2024

Languages

EnglishFluentCroatianNative speaker

Project history

Solution Architect

ASEE

Internet & IT

250-500 team member

Worked on many projects in fintech industry

Content Delivery Network engineer

CDN
Crossvallia (https://crossvallia.hr/)


Installation, configuration and troubleshooting CDN components:

* System administration (SSH, SFTP, Curl, SSL certificates, Nginx, Apache, Redis, HAProxy,
Memcached, Wowza, Grafana, Kibana...)
* Writing shell scripts in Bash, Perl and Python
* Maintaining servers in datacenters across the Globe
* Troubleshooting web page issues (slowness of videos, videos not skippable, etc.)
* Network troubleshooting (sniffing, ssh connectivity, cookies, load balancing, geoDNS)
* Resolving customer tickets


Business or sector ICT

System engineer

Hrvatska Pošta d.d.
* Datacenter management - relocation, connectivity, services
* Proactive surveillance and reporting (Nagios, nsclient++, Centreon)
* Data storage installation and configuration (HP, IBM, EMC)
* Aiding on-site technicians
* Conducting internal educations on Linux administration and Nagios monitoring
* Advanced Linux system administration
* Writing automation scripts
* Working with various enterprise products (Connect:Direct, Informix, HP Data Protector, EMC
Networker, EMC Avamar, ...)

Business or sector ICT

Infrastructure system engineer

King ICT d.o.o.
* Job related to onboarding backup solutions on various customers:
* OTP banka, Agrokor, Hrvatske Autoceste, Hrvatska Pošta, Dubrovački Vrtovi Sunca, HZMO, ZET -
design, implementation and maintenance backup solution EMC NetWorker
* Ministarstvo za informatičku pismenost, Skopje, North Macedonia - installation of Solaris OS on
Sun servers, implementation of Moodle software, LDAP configuration
* INA - snapshot and consulting services of implemented backup systems
* Plinacro - VMWare ESX server configuration, Virtual Center and Virtual Infrastructure
* Tisak - High availability design of IT infrastructure based on RHEL OS (over 1000 geo dispersed
work places)


Business or sector ICT

Junior system engineer

Poslovni informatički sustavi
* Job related to onboarding retail application solution IPIS+:
* Union commerce, Velpro, Sonik, Frumentum bakeries, Gavrilović, Zagora promet, Ribola, Makro,
Konzum, Univerexport Serbia, Panto Market Montenegro, Pluscommerce Montenegro - redesign of
information system, upgrades, installations of Linux OS, work with Firebase database, education,
post-implementation support


Business or sector ICT

Contact form

Log in to get in touch

You need to be logged in to use the contact form.

Sign upLog in