System Administrators k zaměstnání

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Zobrazuje 306 výsledků
  • Zaměstnejte uživatele     bindmission
Zaměstnejte uživatele     bindmission

    bindmission bindmission

    India $40 USD / hod.
    ⭐Linux⭐Top 1% in the Freelancer.com⭐Cloud Support⭐
    India
    6.9
    288 recenzí 288 recenzí $40 USD za hodinu
    ⭐⭐⭐⭐⭐⭐⭐I have 9 years of experience in Linux server management which includes Monitoring, Security, and Optimization. I can handle installation of applications on Linux. I do web hosting support, Website migration and Automation on server platform. ⭐⭐⭐⭐⭐⭐⭐ I can handle cloud platform setup and Network management. I'm...
    ⭐⭐⭐⭐⭐⭐⭐I have 9 years of experience in Linux server management which includes Monitoring, Security, and Optimization. I can handle installation of applications on Linux. I do web hosting support, Website migration and Automation on server platform. ⭐⭐⭐⭐⭐⭐⭐ I can handle cloud platform setup and Network management. I'm an expert in Website and e-mail Migration. I also have experience on VMware. ⭐⭐⭐⭐⭐⭐⭐ Cloud Services: Amazon web services (AWS) , Gcloud , Digitalocean , Scaleway , Azure , Rackspace , Linode etc.... ⭐⭐⭐⭐⭐⭐⭐ My areas of expertise are: Linux, FreeBSD, Windows, Asterisk, FreePBX, NFS, CIFS, VMware, Xen, LVM, Apache, Nginx, Tomcat, Zimbra, Qmail, Sendmail, Postfix, Exim, LVM in Linux, Jabber, Openfire, FTP, Bind, PowerDNS, Pfsense, IPtables, Zabbix, Nagios, MysQL, LDAP, SquidFreeNAS, IPSEC, OpenVPN, PPTP, L2TP ⭐⭐⭐⭐⭐⭐⭐ TECHNICAL SKILLS Operating systems: Linux, Windows Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP Application/Web Servers: Apache, Nginx, Litespeed Mail Servers: Postfix, exim, sentmail, zimbra, iredmail ⭐⭐⭐⭐⭐⭐⭐ méně
  • Zaměstnejte uživatele bindmission
  • Zaměstnejte uživatele     razzeshsingh
Zaměstnejte uživatele     razzeshsingh

    razzeshsingh razzeshsingh

    India $50 USD / hod.
    ✔️Sr. Server Admin ✔️ IT Expert ✔️Cyber Security
    India
    5.9
    38 recenzí 38 recenzí $50 USD za hodinu
    IT Expert with +9 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 +9 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. méně
  • Zaměstnejte uživatele razzeshsingh
  • Zaměstnejte uživatele     vili1977
Zaměstnejte uživatele     vili1977

    vili1977 vili1977

    Ukraine $10 USD / hod.
    System engineer with experience 14 years.
    Ukraine
    7.2
    655 recenzí 655 recenzí $10 USD za hodinu
    I have 13 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx. Programming on Perl,Bash,PHP.
    I have 13 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx. Programming on Perl,Bash,PHP. méně
  • Zaměstnejte uživatele vili1977
  • Zaměstnejte uživatele     udayarpandey2022
Zaměstnejte uživatele     udayarpandey2022

    udayarpandey2022 udayarpandey2022

    Nepal $50 USD / hod.
    Linux Engineer / DNS Specialist / SMTP Expert
    Nepal
    6.3
    202 recenzí 202 recenzí $50 USD za hodinu
    DNS/Web/Database/Email/Network/Storage/Security/DevOps. Linux A to Z Configuration, Management & Troubleshooting. 10+ years in production.
    DNS/Web/Database/Email/Network/Storage/Security/DevOps. Linux A to Z Configuration, Management & Troubleshooting. 10+ years in production. méně
  • Zaměstnejte uživatele udayarpandey2022
  • Zaměstnejte uživatele     abdofarag2
Zaměstnejte uživatele     abdofarag2

    abdofarag2 abdofarag2

    Egypt $38 USD / hod.
    DevOps/Linux Systems Engineer
    Egypt
    7.0
    14 recenzí 14 recenzí $38 USD za hodinu
    - 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, OpenVPN, and Wireguard). méně
  • Zaměstnejte uživatele abdofarag2
  • Zaměstnejte uživatele     RafimKs
Zaměstnejte uživatele     RafimKs

    RafimKs RafimKs

    India $40 USD / hod.
    Expert System, Network & VOIP Administrator
    India
    6.6
    126 recenzí 126 recenzí $40 USD za hodinu
    Top 1% in the Freelancer.com Community. I am excited to offer 13 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your...
    Top 1% in the Freelancer.com Community. I am excited to offer 13 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC Servers) I am happily available anytime using secure remote support or walk you through the steps via Freelancer chat .I am looking to show each client my worth to build a long relationship. Get started by clicking on "Hire Me" méně
  • Zaměstnejte uživatele RafimKs
  • Zaměstnejte uživatele     sr33raj
Zaměstnejte uživatele     sr33raj

    sr33raj sr33raj

    India $30 USD / hod.
    Senior System Administrator And PHP Dev
    India
    6.6
    218 recenzí 218 recenzí $30 USD za hodinu
    I've 8 years of experience in Linux System Administration, Web Hosting, Web security, and Malware cleanup. I'm experienced in Server(linux) :- Debian, Ubuntu , Centos, Redhat,FreeBSD,AMI Cloud :- Aws,Digital ocean,Ali cloud,Vultr,Azure,Ibm,Ovh,Google cloud,Linode Web server: - Apache, Nginx, Litespeed,...
    I've 8 years of experience in Linux System Administration, Web Hosting, Web security, and Malware cleanup. I'm experienced in Server(linux) :- Debian, Ubuntu , Centos, Redhat,FreeBSD,AMI Cloud :- Aws,Digital ocean,Ali cloud,Vultr,Azure,Ibm,Ovh,Google cloud,Linode Web server: - Apache, Nginx, Litespeed, IIS E-Learning/Video conference:- BigBlueButton, BBB API, Greenlight, Jitsi, Moodle, Chamilio LMS, Open edX Control panel:- cPanel/Whm, Direct Admin, ISPconfig, Webmin, Centos web panel, Vestacp DB servers :- MySQL,Mariadb,Mongodb,Postgres Scripting languages :- Php(5 and 7),Js,HTML,Python,Ruby CMS :- Wordpress,Joomla,Drupal Frameworks :- Codeignitor,Laravel,Cake php,Symfony,Yii 2, Web security&pentest :- Owasp top 10,Burp suite,Kali linux, Parriot WordPress Malware removal, Security hardening, WordPress security, Joomla security, Drupal security, Got listed in Yahoo, Twitter AT&T, Freelancer for finding vulnerabilities https://hackerone.com/sr33r4j/ méně
  • Zaměstnejte uživatele sr33raj
  • Zaměstnejte uživatele     AhmedMFakkar
Zaměstnejte uživatele     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / hod.
    Cisco Professional
    Egypt
    6.5
    116 recenzí 116 recenzí $25 USD za hodinu
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and...
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and implement medium and large scale enterprise networks. - Expertise of VPN technologies such as, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. - Routing technologies RIP, OSPF, EIGRP, ISIS, BGP, etc. - Switching technologies VLANs, STP, VTP, Etherchannel, HSRP, etc. My hands-on experience, - Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (Nexus 9000, Nexus 7000, Nexus 3000, CAT 6500, CAT 3750, CAT 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x). - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. méně
  • Zaměstnejte uživatele AhmedMFakkar
  • Zaměstnejte uživatele     elyess150
Zaměstnejte uživatele     elyess150

    elyess150 elyess150

    Tunisia $20 USD / hod.
    Network System Administrator
    Tunisia
    3.1
    13 recenzí 13 recenzí $20 USD za hodinu
    For almost 3 years of experience in administrating systems, I've learned a lot on how systems actually works in IT field. I can handle any issues related to functional servers and patch servers so it comes back to work again in no time. I can also set up servers from scratch, from installation to ready to deploy on...
    For almost 3 years of experience in administrating systems, I've learned a lot on how systems actually works in IT field. I can handle any issues related to functional servers and patch servers so it comes back to work again in no time. I can also set up servers from scratch, from installation to ready to deploy on production enviroment. I guarantee the accuracy and quality of my work so the employer will be 100% satisfied. Skills: - Networking problem solving - OS (Debain , centos, ubuntu, Kali Linux ) - Cybersecurity - Shell , Python coding - Proxy squid , Socks5, Tor - Docker , Kubernetes - Nginx , Apache - Mysql , Postgresql , MongoDB , Redis méně
  • Zaměstnejte uživatele elyess150
  • Zaměstnejte uživatele     alisiblini11
Zaměstnejte uživatele     alisiblini11

    alisiblini11 alisiblini11

    Finland $65 USD / hod.
    Top Rated Verified Developer by Freelancer.com
    Finland
    3.9
    10 recenzí 10 recenzí $65 USD za hodinu
    5 star Service with 100% Satisfaction! Thank you for visiting my profile. I am a Full time Verified Freelance Website, Mobile App UI UX, Graphic Designer and PHP Developer. I have Developed / Designed over 400 live E Commerce Web and Mobile Apps based upon WordPress, Shopify, Laravel, PHP, HTML and CSS. The Sole...
    5 star Service with 100% Satisfaction! Thank you for visiting my profile. I am a Full time Verified Freelance Website, Mobile App UI UX, Graphic Designer and PHP Developer. I have Developed / Designed over 400 live E Commerce Web and Mobile Apps based upon WordPress, Shopify, Laravel, PHP, HTML and CSS. The Sole aim of my services is to provide best of UI UX, Mobile Responsive sites and programming experience for users so that my clients websites could be listed at top with google because of neat / clean code and design My Expertise: . Logo and Branding Design . WordPress Themes / Plugins Customization and creation from scratch . Mobile App Mockups (Android / IOS) & Wireframe . Responsive Website Design / Bootstrap / HTML5/ CSS3 . Adobe Photoshop / Illustrator / XD and MAC Sketch App . PHP MVC Laravel / CodeIgniter . Linux Server Management Features of Service: * 100% Customer Satisfaction * Perfect 5 star reviews!! * Professional communication * Availability 24/7 méně
  • Zaměstnejte uživatele alisiblini11

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, zde je několik offline freelancerů odpovídající ""