Hire the best CentOS Developers in Serbia

Check out CentOS Developers in Serbia with the skills you need for your next job.

Get started

$40 hourly
Ratko B.
- 5.0/5
- (126 jobs)
I have 35+ years experience in network projects including design, implementation, system administration and in software development. For the first 5 years of my career I worked on software development: coding and especially testing. For the last 30 years I'm working on implementation and maintenance of University of Nis WAN. Last 26 years I'm deeply involved in AMRES (Academic Network of Serbia) project. Don't fix it if it ain't broken, don't break it if you can't fix it! SKILLS SUMMARY - Any system administration tasks - Operating Systems: any *nix (Linux, FreeBSD, SGI IRIX, SCO, Solaris, OSX), Windows 3.1/9x/Me/XP/Vista/W7/W8/W10/W11, WinServer NT/2K/2003/2008/2012/2016 - LAN & WAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI and Wireless LANs. T1/T3, SDH/SONET, Frame Relay, WDM, ISDN, ADSL, SHDSL, Cable Modems, Cellular, X.25. - Network Protocols: TCP/IP, IPv6, UDP, OSI, CDP, IP Multicast, IPSec, VoIP, Routing, VLANs, Bridging, Trunking, VPN, SNA, DLS - Network Services & servers: SMTP/POP3/IMAP, FTP/SFTP, Telnet/SSH, HTTP/HTTPS, DNS, DHCP, NNTP, NTP, LDAP, SNMP, NETBIOS, Apache, Nginx, MySQL, Plesk, cPanel, Zimbra, VMware, CentOS, Ubuntu, Debian - Network Equipment: various types of modems, firewalls, switches and routers. - Dedicated, VPS and cloud environment servers (Amazon AWS, Google Cloud, MS Azure, Digital Ocean, Linode). - Programming Languages: Unix Shell scripting, BASH, C, Pascal, MS Visual Basic, PHP, HTML, (a bit of Python).

CentOS
Ubuntu
System Administration
Apache Administration
SSL
Let's Encrypt
Linux System Administration
Firewall
Red Hat Administration
Internet Security
Cloudflare
Zimbra Administration
Unix System Administration
Network Security
Network Administration
$30 hourly
Marko T.
- 5.0/5
- (39 jobs)
Expert DevOps and Full Stack Engineer with More than 5 years of experience as a Cloud Architect. DevOps expert with a focus on deploying cost effective microservices based solutions in the cloud and local machines ,that can meet the demands of your application while being able to scale. My ability to not only deliver on solutions but also interact like a pro in customer facing situations, makes me an ideal part of any clients team. Whether you need to migrate your workloads to the cloud, optimize your application, well-architect highly-available cloud infrastructure, or automate pipelines and deployments, I have the experience and expertise to help. With most of my projects, I am responsible for everything from ground up. This, of course, includes the development lifecycle, automated release pipelines, automated deployments, version control, and Infrastructure-as-Code. I have vast experience with designing and developing system architectures in Amazon Web Services, Microsoft Azure, and Google Cloud. Have knowledge of technologies which include Docker, Kubernetes, ECS, Azure, Jenkins, Elasticsearch, RDS Aurora, and Terraform, Cloudformation, I am also experienced in Azure devops , Codepipeline, Codebuild, and Ansible.

CentOS
Google Cloud Platform
Application Release Automation
Jenkins
VMWare
Server
Ansible
Terraform
Kubernetes
Azure DevOps
CI/CD
Docker
Amazon Web Services
System Administration
Python
Bash
Network Administration
Ubuntu
Apache Administration
Linux System Administration
NGINX
$30 hourly
Martin B.
- 5.0/5
- (15 jobs)
Looking for a full time contract, available to start right away. I am a Full stack developer with 12+ years of experience.

CentOS
WordPress
C
Java
API Development
Linux System Administration
Amazon Web Services
HTML5
PHP
JavaScript
$35 hourly
Alen N.
- 5.0/5
- (11 jobs)
Available IMMEDIATELY! I am an experienced administrator proficient in VMware, Zabbix, Windows Server, Linux and networking. With a strong background in managing virtual environments, centralizing monitoring systems, and Windows servers administration, I can efficiently handle your IT infrastructure needs. VMware administration: - consulting - installing VMware infrastructure - upgrade VMware infrastructure - deploay Windows VMs - deploay Linux VMs - installing vSphere hosts - installing vCenters - creating clusters, network settings, storage settings in vCenter - installing and implementing vSphere Replication - installing and implementing vSphere Data Protection & Recovery - server migration from Hyper-v, oVirt, P2V,... - other tasks in vmware Network administration: - consulting - create VLANs - create subnets - create access lists - routing - firewall settings - monitoring - beckup - detecting network problems Windwos server administration: AD, DNS, DHCP, GPO Linux administration: zabbix, postfix, apache, mysql, graylog,...

CentOS
Cisco
Zabbix
VMware ESX Server
Network Administration
Virtual LAN
Cisco Router
Windows Administration
VMware Administration
VMWare
Ubuntu
Linux
Windows Server
VMware vSphere
$50 hourly
Luka P.
- 5.0/5
- (4 jobs)
Linux System Administrator with B. Com. Sc degree. I've been working on Fiverr (@lukapaunovic) as a freelancer since 2016. I have completed over 3000 orders on this platform and have over 2000 5+ star reviews. Looking forward to bring my expertise to UpWork as well. With over 13 Years of experience, I have worked with more than 5,000 clients in the Web Hosting Industry. I was the owner of two major Web Hosting companies in Serbia with over 1,500 clients each. I am dedicated, passionate and constantly evolving.

CentOS
cPanel
PHP
Plesk
Linux System Administration
Fedora
Debian
MySQL
NGINX
Ubuntu
$40 hourly
Nenad S.
- 5.0/5
- (15 jobs)
System Engineer/ Cisco engineer for 10 years now. Worked on administration of Windows machines from Xp to 10 now. NAS intermediate proficiency(QNAP expert, Synology and FreeNAS/Openmediavault intermediate) Cisco stenghts: Wireless(controller and access points), Voice(Callmanager,CallCenter, H.323 voice gateways), routing and switching(L3VPN,VLANs), security(ASA configuration) Linux intermediate usage- Ubuntu,Centos,Gentoo Proxmox intermediate proffieciency and deploying Ceph clusters

CentOS
Gentoo Linux Operating System
Proxmox VE
Ceph
Elasticsearch
Cisco Router
Virtualization
Network Engineering
Cisco Certified Network Associate
Ubuntu
Ansible
Windows Server
Linux
Docker
Server Virtualization
$40 hourly
Aleksandar S.
- 5.0/5
- (368 jobs)
More than 20 years of working experience in networking and server administration. Administering and scripting networking applications, database applications, web applications and internet & intranet servers In position of expert engineer for networking infrastructure, IT security expert and senior linux/windows/OSX administrator In charge of designing of LAN/MAN/WAN networking infrastructure, designing and implementation of fiberoptic backbone and copper networking installation. Administration of linux servers and networking devices (switches, routers, firewalls, NAS) am in charge of more than 150 linux servers, both physical and virtual Working with L2/L3 switches, routers, firewalls, NAS devices, switching&routing protocols (RIP, OSPF, SNMP, IGRP/EIGRP, VTP, BGP). Certified Cisco and Mikrotik networking engineer. OS platforms - Red Hat/Centos, Debian/Ubuntu, Gentoo, OpenSolaris, BSD flavors, Windows, OSX Server. Networking equipment - Cisco, HP, Mikrotik, ZTE, Huawei Some of the open-source technologies and daemons I have experience with: - bash, perl and python scripting - apache/nginx web servers (standalone, or in backend mode for tomcat, with one or many virtual hosts) - mysql/postgresql database installation and administration - squid (with or without dansguardian+clamav as content filter/realtime AV) - cloud (openstack, AWS, Azure, gcloud, OVH, rackspace, digital ocean....) - snort (with BASE and Snorby as web GUI) and suricata IDS - iptables (with or without web GUI) - BIND (standalone or master/slave) - postfix (as MTA, combined with alot of different tools such as spamassassin, amavis, clamav, roundcube, postfixadmin, dovecot, cluebringer, mailgraph) - zenoss, zabbix and cacti (with plugins and OUIs) - dovecot (as pop3/imap server of choice, combined with postfix and amavis, clamav, roundcube, postfixadmin, spamassassin) - amavis (with alot of customized settings for things such as double AV scanning, DKIM support, catching of spam headers...) - spamassassin (standard and heuristic bayesian analysis, fine tuning of scoring, OCR integration, SPF integration....) - ClamAV (using both standard and unofficial virus definitions, making of 0-day virus signatures caught in the wild...) - freeradius (with MySQL backend for AAA) - samba (in all possible variatons - standalone simple CIFS sharing, member of windows AD, standalone AD controller, one of the controllers in windows AD) - pureftpd, vsftpd and proftpd (as standalone servers or with virtual users) - xen, vmware, hyperv and kvm virtualization (stock or Xenserver/Proxmox distributions) - asterisk (via Elastix linux distribution) - roundcube as preferred web-mail interface (with alot of customized plugins) - openmediavault/openfiler linux distros for NAS - HA clustering (failover based on DRBD and heartbeat/pacemaker+corosync) - NUT (daemon for UPS monitoring and controlling) - openvpn (with various configurations and backends) - pptp vpns (with various configs and backends) - all kind of linux distributions - RH, CentOS, openSuSe, Debian, Ubuntu, Gentoo, Arch.... - hardening of linux distributions (iptables, fail2bain, allow/deny mechanism, AIDE, SELinux, AppArmour, occasional pen testing) - puppet automation - rancid (centralized backup of config files) - bacula, urbackup and rsync backup

CentOS
Cluster Computing
Plesk
Citrix Hypervisor
MikroTik RouterOS
Postfix SMTP Server
Linux System Administration
Varnish Cache
MySQL
cPanel
NGINX
Docker
System Monitoring
Network Security
Network Administration
$20 hourly
Ruslan M.
- 0.0/5
- (0 jobs)
Hi! I’m a DevOps engineer with experience in setting up and supporting development infrastructure, automating routine tasks, and ensuring smooth deployment workflows. Here’s what I can help you with: 1) Building and maintaining CI/CD pipelines (GitLab CI, GitHub Actions) 2) Containerization and environment isolation using Docker 3) Managing Linux servers, configuring services, writing shell scripts 4) Automating routine tasks and deployments 5) Setting up basic monitoring (Prometheus, Grafana) 6) Version control workflows using Git I’m focused, detail-oriented, and always aim to deliver clean and efficient solutions. If you need someone to streamline your development and deployment processes — let’s get in touch!

CentOS
Docker
Zabbix
Git
PostgreSQL
Python
Linux
SQL
Prometheus
Grafana
RabbitMQ
Elasticsearch
GitLab
Consul
Kubernetes
Want to browse more freelancers?
Sign up