System Administrators Για Πρόσληψη

  • Διαχείριση Συστήματος
Προτάσεις:
περισσότερα

Χώρες

Συγκεκριμένη Τοποθεσία

Τεστ

Ωριαία Τιμή (USD)

Βαθμολογική κατάταξη

Συνδεδεμένος

Προβολή 249 αποτελεσμάτων
  • Πρόσλαβε τον/την     udayarpandey2022
Πρόσλαβε τον/την     udayarpandey2022

    udayarpandey2022 udayarpandey2022

    Nepal $50 USD / ώρα
    Email, DNS, WEB, Networks, Storage | Linux
    Nepal
    1. DataCenter: UCS, MDS, SAN, FiberChannel, Nexus, Cisco ASR Routers -Cisco Nexus: 9k, 7k, 5k, FEX, OTV, VDC, VPC, Fabric Path 2. Virtualization/Container: VMware, KVM, Proxmox, LXC/LXD, Docker, Citrix Xen 3. Monitoring: ELK Stack, Prometheus, Graphana, Cacti, Zabbix, Nagios, RRDTool, MRTG, cAdvisor, Wazuh...
    1. DataCenter: UCS, MDS, SAN, FiberChannel, Nexus, Cisco ASR Routers -Cisco Nexus: 9k, 7k, 5k, FEX, OTV, VDC, VPC, Fabric Path 2. Virtualization/Container: VMware, KVM, Proxmox, LXC/LXD, Docker, Citrix Xen 3. Monitoring: ELK Stack, Prometheus, Graphana, Cacti, Zabbix, Nagios, RRDTool, MRTG, cAdvisor, Wazuh Stack 4. SCripting: Bash, Docker Compose, Cloudcustodian 5. AWS: (S3, EC2) 6. Webpanel/CMS: Wordpress, WHM, Webmain/Virtualmin, ISPconfig, Plesk, CentOS Panel, VestaCP 7. Webservers/DNS: Apache, Nginx, haproxy, BIND,Unbound, DNSMasq, PowerDNS, DNSDIST, Pi-Hole 8. Authentication Service: Freeradius, MySQL 9. Firewall: ASA, Cyberoam, Paloalto, Fortinet, pfsense, Cisco Miraki, Firepower, IPtables, Firewalld, CSF/LFD, 10. Juniper: EX and MX series 11. Windows Server: Active Directory, Group Policy , DNS, DHCP, IIS, RRAS, WSUS 12. Storage: Qnap, NFS, GlusterFs, DRBD, CEPH, RAID 13. Telephony: Elastix, FreePBX 14. Wireless: Ubiquity, Juniper, Cisco 15. Email: Postfix, Zimbra, Exim, Mailcleaner,PowerMTA, Mailwizz, MailChimp, Sendgrid, EFA, Amazon SES, MailEnable 16. Routing/Switching: OSPF, BGP, MPLS, VPLS, vlan, Bundling 17. VPN: Site-to-site, IPsec, DMVPN, GRE 18. OS: Redhat, Debian, Windows 19. DB clusters: MariaDB, MongoDB replica sets, keepalived, Pacemaker, Corosync. 20. GenieACS, ONU, OLT 21. Products: Cisco, Juniper, Mikrotik, Huawei, Ubiquity. 21. Penetration Testing, Vulnerability Assesment 22. IPS/IDS, Network Security, System Security, Wireshark λιγότερα
  • Πρόσλαβε τον/την udayarpandey2022
  • Πρόσλαβε τον/την     abdofarag2
Πρόσλαβε τον/την     abdofarag2

    abdofarag2 abdofarag2

    Egypt $30 USD / ώρα
    DevOps/Linux Systems Engineer
    Egypt
    - Linux/Unix System Administration - Installation and Configuration OS: RedHat, CentOS, Debian, Suse, Ubuntu, FreeBSD. Storage/File servers: ISCSI, DRBD, GlusterFS, Ceph, FTP, NFS, and Samba Web Server/LB: Apache, Tomcat, Nginx, HAProxy Database: MySQL/MariaDB, PostgreSQL, MongoDB Mail Server: Postfix, Sendmail,...
    - Linux/Unix System Administration - Installation and Configuration OS: RedHat, CentOS, Debian, Suse, Ubuntu, FreeBSD. Storage/File servers: ISCSI, DRBD, GlusterFS, Ceph, FTP, NFS, and Samba Web Server/LB: Apache, Tomcat, Nginx, HAProxy Database: MySQL/MariaDB, PostgreSQL, MongoDB Mail Server: Postfix, Sendmail, IredMail, Qmail, and Zimbra. Automation/ Scripting: Terraform, Ansible, Chef, Bash, and Python Network Services: DNS, NTP, VPN, DHCP, OpenLDAP, and FreeIPA Security: Ebtables/Iptables, Firewalld, SELinux, and ClamAV Monitoring: Nagios, Zabbix, Prometheus, and Grafana DevOps: Docker, Git, Jenkins, and Selenium - Cloud Computing and Virtualization KVM: Proxmox, RHEV, and OVIRT VMware: vSphere 5.x, vSphere 6.x Citrix: Xen 6.x, Xen 7.x Cloud: AWS, GCP, Azure, and OpenStack - Containers orchestration Container Orchestration: Docker/Swarm, LXC/LXD, Kubernetes, Openshift. -Networking and Security Networking: good knowledge in subnetting, routing, and switching. Firewalls, Routers, Load Balancers: Mikrotik, VyOS, Zeroshell, and PFsense. VPN: Configure site-to-site VPN /vpn-as-service (L2TP-PPTP, OVPN, and Wireguard). λιγότερα
  • Πρόσλαβε τον/την abdofarag2
  • Πρόσλαβε τον/την     dkokmadis
Πρόσλαβε τον/την     dkokmadis

    dkokmadis dkokmadis

    Greece $55 USD / ώρα
    Devops Engineer
    Greece
    A Linux Administrator with 10+ years of expertise in Redhat / Centos / Ubuntu / Debian/ Aws /Google Cloud / Linux / Docker / Ansible / Plesk / CPanel
    A Linux Administrator with 10+ years of expertise in Redhat / Centos / Ubuntu / Debian/ Aws /Google Cloud / Linux / Docker / Ansible / Plesk / CPanel λιγότερα
  • Πρόσλαβε τον/την dkokmadis
  • Πρόσλαβε τον/την     gargankit642
Πρόσλαβε τον/την     gargankit642

    gargankit642 gargankit642

    India $25 USD / ώρα
    AWS and DevOps Engineer
    India
    I have 10 years experience in AWS and DevOps. please check my upwork profile. (Removed by Freelancer)
    I have 10 years experience in AWS and DevOps. please check my upwork profile. (Removed by Freelancer) λιγότερα
  • Πρόσλαβε τον/την gargankit642
  • Πρόσλαβε τον/την     evgeny1002
Πρόσλαβε τον/την     evgeny1002

    evgeny1002 evgeny1002

    Russian Federation $50 USD / ώρα
    Senior Software Engineer
    Russian Federation
    I am the top-tier, heavy-hitting expert you bring in to solve the most daunting of challenges where others have failed. If you just need my expertise without the code, I’m very comfortable in the consultant role. I love writing clean code and spend time every day learning up-to-date tech stacks. I pride myself on...
    I am the top-tier, heavy-hitting expert you bring in to solve the most daunting of challenges where others have failed. If you just need my expertise without the code, I’m very comfortable in the consultant role. I love writing clean code and spend time every day learning up-to-date tech stacks. I pride myself on being able to jump into a project quickly and creatively solve problems. I have good intuition when it comes to debugging. Your time is valuable, so I don’t waste it. - Server Virtualization (Vsphere ESXI, Veeam Backup & Replication, Vcenter) - Cloud Computing (EC2, ECS, RDS DB instances, Beanstalk, Lambda, ELB, Auto-Scaling, S3, CI/CD deployment, etc). - Containerization (Dockers, Docker-Compose, Swarm) - GCP/GKE/GSuite, Azure, Digital Ocean - Backend with Django, Flask, Java, Node, .NET - MERN/MEAN, Vue/Vuex, Angular, D3.js - Image Processing, OCR with OpenCV with Python - ML with Tensorflow, Keras, Spicy, etc - Device drivers & Firmware & Applications with Python, C#, C++ - Blockchain with Hyperledger, Corda, Quorum λιγότερα
  • Πρόσλαβε τον/την evgeny1002
  • Πρόσλαβε τον/την     sarrvareddy
Πρόσλαβε τον/την     sarrvareddy

    sarrvareddy sarrvareddy

    India $35 USD / ώρα
    #Servers #Cloud #DevOps #Development # Designing
    India
    Welcome to Dorigin Tech Labs! We are the cream of what the world can offer and we have chiseled ourselves to be among the best. At Dorigin Tech you are always taken care whatever your requirement is. We value every customer and we want to make a difference in everything we do. We are not just B2C but we are also B2B....
    Welcome to Dorigin Tech Labs! We are the cream of what the world can offer and we have chiseled ourselves to be among the best. At Dorigin Tech you are always taken care whatever your requirement is. We value every customer and we want to make a difference in everything we do. We are not just B2C but we are also B2B. Here are the areas which we are specialized into :- ❄ Web and Mobile Application Development ❄ Software Development. ❄ IT infrastructure Support. ❄ Cloud Solutions. ❄ DevOps Engineering. ❄ UI / UX Desiging. ❄ Illustration and 2D Art ❄ Content Writing. ❄ Technical Writing. ❄ HR Consulting. ❄ CRM and HRMS Services. ❄ Digital Marketing. We have expertise in every new technology and services in the current market trend and we can help you in fulfilling every need with highest quality and professionalism. Once you become part of Dorigin Tech family you will always cherish the experience you get with us. Wishing you all the best! Yours sincerely, Dorigin Tech Labs λιγότερα
  • Πρόσλαβε τον/την sarrvareddy
  • Πρόσλαβε τον/την     vili1977
Πρόσλαβε τον/την     vili1977

    vili1977 vili1977

    Ukraine $10 USD / ώρα
    System engineer with experience 13 years.
    Ukraine
    I have 12 years experience with linux,freebsd,cisco. Cisco ARS1001, ASA 5505,5510, 29xx,19xx,3560,45xx. Programming on Perl,Bash,PHP.
    I have 12 years experience with linux,freebsd,cisco. Cisco ARS1001, ASA 5505,5510, 29xx,19xx,3560,45xx. Programming on Perl,Bash,PHP. λιγότερα
  • Πρόσλαβε τον/την vili1977
  • Πρόσλαβε τον/την     razzeshsingh
Πρόσλαβε τον/την     razzeshsingh

    razzeshsingh razzeshsingh

    India $40 USD / ώρα
    ✔️Sr. Server Admin ✔️ IT Expert ✔️Cyber Security
    India
    IT Expert with 8+ years of experience in Managing Windows and Linux-based server infrastructures, Network security & Administration, software solutions. Here are some major services on which I am working: ☑️- Server Administration : ✔️ Windows server : ADDC, DNS, DHCP, WSUS, Group Policy Management, RDP Server,...
    IT Expert with 8+ years of experience in Managing Windows and Linux-based server infrastructures, Network security & Administration, software solutions. Here are some major services on which I am working: ☑️- Server Administration : ✔️ Windows server : ADDC, DNS, DHCP, WSUS, Group Policy Management, RDP Server, WDS Server, IIS Server, MS Exchange Server, MS SharePoint, MS Office 365, MS One Drive, MS Teams, File Server (NAS & SAN) , FTP, NTP and many more ✔️ Linux Server : SAMBA ADDC LDAP, SAMBA File Server, DNS, DHCP, Mail Servers (Zimbra, PMTA, Send grid, Squirrel mail, Roundcube). Web Servers (Tomcat, apache, nginx, light speed), MySQL, MariaDB, Postgress, FTP, NTP, Ticketing tools (Manage engine, OS ticket, OTRS Ticket, Citrix XenApp, JIRA, Service now), Monitoring Tools ( Check_mk, Syslog, Nagios, Cacti, ELK Stack, Zabix, xymon, PRTG), IDS Server ( OSSEC, WAZUH, SNORT, Suricata, BRO, Tripwire, Security Onion), DLP/Encryption/ Threat Prevention Server ( Symantec, Sophos, McAfee), Threat Intelligence server (MISP, Mitre, OpenCTI), The Hive with Cortex, ArcSight Server, Dialer Server ( VCdialer, go auto dialer, ViciBox, Altitude Dialer), Virtaul Hypervisor ( VMware ESXi, Proxomox, Virtual Box, VMware Workstation), GenieACS TR-069 remote management server, Vulnerability Assessment Scanner Tools (OpenVAS, Nessus Professional, Wireshark, Comodo cWatch, Tripwire IP360) , SonarQube Code analysis Tool, NXfilter URL Filtering tool and Many More.. ☑️- Network Administration: Key Network Skills & Security Products Experience: o Firewall – Checkpoint, Cisco ASA, Palo Alto, Fortigate, Sophos, o Router & Switches : Cisco, Mikrotik, Ubiquiti, Netgear, Aruba o Intrusion Detection & prevention – Cisco, Checkpoint, Sophos o Switching: Vlan, Inter Vlan, Stp, Vtp, EtherChannel, Switch Port o Configuration and troubleshooting of routing protocols OSPF, RIP, EIGRP, BGP o Setup of security implementations (Filtering Tool ACL, route map, port security.) o Well versed in the operations, configuring, and troubleshooting of various issues in Checkpoint and Cisco, Mikrotik, Ubiquiti, Netgear & Aruba Devices. o Checkpoint IPSec VPN Blade, Application & URL filtering Blade, IPS Blades, o Configuration & troubleshooting of IPSEC and S2S VPN ☑️- Information Security I helps organizations stay compliant with all the important standards like PCI DSS, HIPPA, ISO 27001, GDPR, FISMA, and GLBA. In addition to these compliances, I also help companies with Information Security Assessments and Penetration & Vulnerability Testing for identifying loopholes in their security infrastructure and BCP/DR consulting for building programs to stay ahead of future security incidents. ☑️- Cloud Solutions: I Helps organizations to deploy their services on AWS, GCP, and Microsoft Azure cloud. ☑️- Website Development & Designing : I helps organizations in website designing, development, internet marketing, hosting and support services, as well as web and mobile app development. λιγότερα
  • Πρόσλαβε τον/την razzeshsingh
  • Πρόσλαβε τον/την     pdq
Πρόσλαβε τον/την     pdq

    pdq pdq

    Armenia $25 USD / ώρα
    linux webhosting administrator
    Armenia
    Hi, i have about 14 years experience in linux administration, i prefer to work with webhosting solutions. nginx, php-fpm, different kind of high-load. Right now i'm working in a datacenter with a VDS nodes and dedicated/colocation servers. Feel free to ask a questions even if you choose someone else for your job. My...
    Hi, i have about 14 years experience in linux administration, i prefer to work with webhosting solutions. nginx, php-fpm, different kind of high-load. Right now i'm working in a datacenter with a VDS nodes and dedicated/colocation servers. Feel free to ask a questions even if you choose someone else for your job. My answer is always free of charge. λιγότερα
  • Πρόσλαβε τον/την pdq
  • Πρόσλαβε τον/την     PMPMPM1985
Πρόσλαβε τον/την     PMPMPM1985

    PMPMPM1985 PMPMPM1985

    India $20 USD / ώρα
    WordPress, php, Linux, SEO, PPC, AdWords Expert
    India
    Experienced IT Administrator & Developer with more than 6 years of experience in Linux/Ubuntu Management and WordPress development & customization. Other Capabilities include server setup, optimization & management, Php, WordPress theme/plugin customization, APIs integration, virus/malware removal, speed...
    Experienced IT Administrator & Developer with more than 6 years of experience in Linux/Ubuntu Management and WordPress development & customization. Other Capabilities include server setup, optimization & management, Php, WordPress theme/plugin customization, APIs integration, virus/malware removal, speed optimization. Digital Marketer with a demonstrated history of working on the Paid Advertisement & Organic Growth. Skilled in Google/Facebook Ads, PPC, SEM, SEO, YouTube Growth/Optimization, Google Analytics/Tag Manager. λιγότερα
  • Πρόσλαβε τον/την PMPMPM1985

Γεια σου , εδώ είναι μερικοί offline freelancers

Γεια σου , εδώ είναι μερικοί offline freelancers που ταιριάζουν ""