Zeljko Jagust
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Zeljko Jagust Email & Phone Number

Linux System Administrator at Crossvallia
Location: Croatia 4 work roles 5 schools
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✓ Verified July 2026 3 data sources Profile completeness 100%

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Current company
Crossvallia
Role
Linux System Administrator
Location
Croatia
Company size
49 employees

Who is Zeljko Jagust? Overview

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Quick answer

Zeljko Jagust is listed as Linux System Administrator at Crossvallia, a with 49 employees, based in Croatia. AeroLeads shows a matched LinkedIn profile for Zeljko Jagust.

Zeljko Jagust previously worked as System Administrator at Geofoto D.O.O and System administrator at Erste Sparkassen Versicherung Ag. Zeljko Jagust holds It from University Of Illinois Urbana-Champaign.

Company email context

Email format at Crossvallia

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Crossvallia

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Profile bio

About Zeljko Jagust

Experienced Linux System Administrator with 20+ years of expertise in managing and optimizing high-traffic web environments. I have a proven track record of ensuring reliability and performance for some of the world's most visited websites, including those in Alexa's top 10. Skilled in diverse technologies and platforms, I excel in designing, deploying, and maintaining robust infrastructure solutions that drive efficiency and scalability.My professional journey has honed my abilities in system architecture, automation, security, and performance tuning. I thrive in dynamic environments, constantly staying ahead of industry trends to implement best practices and innovative solutions. I am passionate about open-source technologies and committed to continuous learning and leveraging cutting-edge tools to solve complex challenges.Key skills:- Linux server management- High-traffic web hosting- Infrastructure design and optimization- Automation- Security and Compliance- Performance monitoring and tuning

Listed skills include System Administration, Linux System Administration, Linux, Debian, and 37 others.

Current workplace

Zeljko Jagust's current company

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Crossvallia
Crossvallia
Linux System Administrator
zagreb, grad zagreb, croatia
Website
crossvallia.hr
Employees
49
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4 roles

Zeljko Jagust work experience

A career timeline built from the work history available for this profile.

Linux System Administrator

Current
Crossvallia

Zagreb, Croatia

Single server to large scale cluster deploymentFull scale hosting service maintenanceCloud Infrastructure Ops

Jul 2012 - Present

System Administrator

Geofoto D.O.O

­ Maintenance of server and network infrastructure ­ Research of new technologies ­ SW/HW customization (per project) ­ Monitoring and process automation User Support

Dec 2008 - Jul 2012

System Administrator

Erste Sparkassen Versicherung Ag

· Initial setup of server and network infrastructure · Creation of intranet site · HW/SW needs planning · Documentation standardization · Workflow standardization - User Support

Apr 2005 - Dec 2008

System Administrator And Service Technician

Renoprom D.O.O

- Service of IT equipment · Service advancements · Compter build · Network/Power cable management · IT outsourcing · User Support

Apr 2004 - Apr 2005
Team & coworkers

Colleagues at Crossvallia

Other employees you can reach at crossvallia.hr. View company contacts for 49 employees →

GK Goran Kapun Goran Kapun Colleague at CrossvalliaCroatia View → KT Kresimir T. Kresimir T. Colleague at CrossvalliaCroatia View → ES Erik Smoljan Erik Smoljan Colleague at CrossvalliaCroatia View → DB Dinka Berbić Dinka Berbić Colleague at CrossvalliaBosnia And Herzegovina View → DV Davorin Vlahovic Davorin Vlahovic Colleague at CrossvalliaCroatia View → IC Igor Cukanovic Igor Cukanovic Colleague at CrossvalliaLovran, Primorje-Gorski, Croatia View → NL Nikola Lacković Nikola Lacković Colleague at CrossvalliaCroatia View → ED Elsadet Dervišević Elsadet Dervišević Colleague at CrossvalliaBihać, Federation Of Bosnia And Herzegovina, Bosnia And Herzegovina View → JB Jadranko Belušić Jadranko Belušić Colleague at CrossvalliaRijeka, Primorje-Gorski, Croatia View → IS Igor Svedic Igor Svedic Colleague at CrossvalliaCroatia View →
5 education records

Zeljko Jagust education

Ccna, Information Networks

Cisco Networking Academy

Certified Service, Packard Bell Products

Nec Training, Nec Angers

High School Diploma, Electronics

First Technical Highschool "Nikola Tesla"

Education record

Elementary School "Susedgrad"
FAQ

Frequently asked questions about Zeljko Jagust

Quick answers generated from the profile data available on this page.

What company does Zeljko Jagust work for?

Zeljko Jagust works for Crossvallia.

What is Zeljko Jagust's role at Crossvallia?

Zeljko Jagust is listed as Linux System Administrator at Crossvallia.

Where is Zeljko Jagust based?

Zeljko Jagust is based in Croatia while working with Crossvallia.

What companies has Zeljko Jagust worked for?

Zeljko Jagust has worked for Crossvallia, Geofoto D.O.O, Erste Sparkassen Versicherung Ag, and Renoprom D.O.O.

Who are Zeljko Jagust's colleagues at Crossvallia?

Zeljko Jagust's colleagues at Crossvallia include Goran Kapun, Kresimir T., Erik Smoljan, Dinka Berbić, and Davorin Vlahovic.

How can I contact Zeljko Jagust?

You can use AeroLeads to view verified contact signals for Zeljko Jagust at Crossvallia, including work email, phone, and LinkedIn data when available.

What schools did Zeljko Jagust attend?

Zeljko Jagust holds It from University Of Illinois Urbana-Champaign.

What skills is Zeljko Jagust known for?

Zeljko Jagust is listed with skills including System Administration, Linux System Administration, Linux, Debian, Apache, Ubuntu, Virtualization, and Nagios.

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