16.08.2026 aktualisiert

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Freelance System Engineer | Devops Engineer | Linux Sysadmin

Berlin, Deutschland
Nur Remote
Bachelor of Computer Engineering (B.Comp.Eng.) | Bachelor of Business Information Technology (BBI)
Berlin, Deutschland
Nur Remote
Bachelor of Computer Engineering (B.Comp.Eng.) | Bachelor of Business Information Technology (BBI)

Profilanlagen

matija_knezevic_cv_freelancing_de.pdf

Über mich

Berlin-based Devops engineer with 8+ years administering enterprise Linux, CI/CD, and artifact platforms (Artifactory, GitLab, Checkmk, Vault) on RHEL and SLES. Python automation, CKA-certified, EU citizen eligible to work across the EU.

Skills

Atlassian JiraUNIXCentOSComputer EngineeringLinuxDevOpsWebserverLDAPLinux-AdministrationRed Hat Enterprise LinuxAnsibleSUSE Linux Enterprise ServerVirtualizationSuse LinuxSysadminGitLabKubernetesAtlassian BambooDockerJenkinsVMware
Adobe, agile, AWS, Ansible, Apache, HTTPD, Artifactory, Bamboo, Atlassian Bamboo, Atlassian, BitBucket, CentOS, Nexus, cloud, animation, COMPUTER ENGINEERING, Confluence, CI/CD, data System, database, DEVOPS, Docker, Docker Compose, Fisheye, GitLab, HP-UX, AIX, IBM AIX, IBM pSeries, Information System, IT infrastructure, Informatics, JIRA, JavaScript, Jenkins, Kubernetes, K8s, LDAP, LINUX SYSTEMS, LINUX, Linux/Unix, Linux system administration, Azure, Microsoft Azure, MongoDB, Mongo, servers, open source, operating systems, Proxmox, Python, Python (Programming Language), RHEL, Red Hat Enterprise Linux, SLES, SUSE Linux Enterprise Server, scripting languages, Application server, Solaris, UNIX, User administration, vSphere, virtualization, VMware, web application, web pages, WebServer

Erfahrung

Berufserfahrung5 - 10 Jahre
Freelancer seit2024

Sprachen

DeutschgutEnglischverhandlungssicherKroatischMuttersprache

Projekthistorie

Devops Engineer

SICK Sensor Intelligence

Industrie und Maschinenbau

1000-5000 Mitarbeiter

• Writing scripts for automation in Python
• Support and administration of multiple Checkmk instances
• Support and administration of multiple Artifactory instances
• Support and administration of multiple Vault instances
• Support and administration of multiple GitLab instances
• Handling all support tickets

Devops Engineer

ASERVO Software GmbH

Internet und Informationstechnologie

10-50 Mitarbeiter

• Client is an IT company (Finanz Informatik) which supports Sparkassen-Finanzgruppe with 5000+ daily users
• Support for Atlassian Products (JIRA, Confluence, Fisheye/Crucible, Bamboo)
• Responsible for CI/CD: Bamboo, Jenkins
• Administration of Nexus environment
• System administration of servers running our applications (SLES & RHEL)
• Direct support to our users, mainly with developers using our CI/CD applications

Junior Devops Engineer

Publicis Sapient GmbH

Internet und Informationstechnologie

1000-5000 Mitarbeiter

• Infrastructure provisioning (Ansible) through code in an agile environment
• Administration and configuration of CI/CD pipelines (Jenkins)
• WebServer configuration and administration (HTTPD)
• JIRA/Confluence/BitBucket administration and user support
• Software support (Adobe AEM) and troubleshooting

Linux System Engineer

Hrvatski Telekom d.d.

Telekommunikation

1000-5000 Mitarbeiter

• Linux/Unix system administration (RHEL/CentOS/HP-UX)
• Installation and maintenance of IT infrastructure and related platforms
• Management of infrastructure services
• Deploying configuration through Ansible
• Administration of VMware environment in vSphere
• GitLab as repository manager

Unix/Linux System Engineer

Privredna banka Zagreb d. d.

Banken und Finanzdienstleistungen

500-1000 Mitarbeiter

• Unix/Linux system administration (AIX/RHEL/Solaris) of the Bank's IS (Information System), based on the technologies of large (enterprise) systems and open (open source) services.
IBM pSeries virtualization: HMC, VIO, LPAR
• Professional, systematic, and engineering approach to problem solving, as well as participating in the design and development of system infrastructure
• Optimizing, monitoring capacity and performance
• Participating in solutions for backup and archiving data
• System programming in scripting languages for automating the operation of the system, monitoring, improving efficiency

Junior Unix/Linux System Engineer

Privredna banka Zagreb d. d.

Banken und Finanzdienstleistungen

500-1000 Mitarbeiter

• Basic maintenance, configuration and troubleshooting of AIX/RHEL/CentOS/Solaris operating systems
• User administration via LDAP
• Application server management
• Helpdesk support and solving clients various technical problems

Zertifikate

CKA - Certified Kubernetes Administrator

The Linux Foundation

2024

[PCEP-30-02] PCEP – Certified Entry-Level Python Programmer

Python Institute

2023

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