可雇用System Administrators

  • 系统管理
建议:
更多

国家

精确位置

测验

时薪 (美元)

级别

在线

展示 481 结果
  • 雇用     bindmission
雇用     bindmission

    bindmission bindmission

    India $30 美元/小时
    Linux Server Expert - with Cloud Computing
    India
    6.5
    197条评论 197条评论 $30 美元/小时
    I have 7 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...
    I have 7 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 收起
  • 雇用 bindmission
  • 雇用     evgeny1002
雇用     evgeny1002

    evgeny1002 evgeny1002

    Russian Federation $35 美元/小时
    Senior Software Engineer
    Russian Federation
    5.6
    1条评论 1条评论 $35 美元/小时
    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 - React/Redux, 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 收起
  • 雇用 evgeny1002
  • 雇用     ciscoterminal
雇用     ciscoterminal

    ciscoterminal ciscoterminal

    Malaysia $50 美元/小时
    Chief Technology Officer
    Malaysia
    6.5
    67条评论 67条评论 $50 美元/小时
    Devops Engineer and Expert in designing Secure and Complex wired/wireless networks. extensive experience in Linux server configuration, Troubleshooting and security. CCIE (Routing and Switching) CCIE (Security) CCIE (Service Provider) (RHCE) Red Hat Certified Engineer (MCSE)Microsoft Certified Solutions...
    Devops Engineer and Expert in designing Secure and Complex wired/wireless networks. extensive experience in Linux server configuration, Troubleshooting and security. CCIE (Routing and Switching) CCIE (Security) CCIE (Service Provider) (RHCE) Red Hat Certified Engineer (MCSE)Microsoft Certified Solutions Expert VMware Certified Professional Computer Hacking Forensic Investigator (CHFI) Certified Information Systems Security Professional (CISSP) Master in Information Security Docker, Kubernetes , Google Cloud, Amazon AWS, Digital Ocean etc 收起
  • 雇用 ciscoterminal
  • 雇用     AhmedMFakkar
雇用     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 美元/小时
    Cisco Professional
    Egypt
    5.8
    73条评论 73条评论 $25 美元/小时
    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. 收起
  • 雇用 AhmedMFakkar
  • 雇用     karunakartiwari
雇用     karunakartiwari

    karunakartiwari karunakartiwari

    India $50 美元/小时
    Software Development, Server/Cloud Consultant
    India
    6.7
    167条评论 167条评论 $50 美元/小时
    Welcome to My profile Page I am committed to provide “Highest Quality” cost effective services to my clients with 100% satisfaction My area of expertise ✅ Support: Server (Linux, Windows) Support, Cloud ( AWS,Azure,Google Cloud ,DigitalOcean etc) infrastructure implementation, Hosting Support, Mail server ...
    Welcome to My profile Page I am committed to provide “Highest Quality” cost effective services to my clients with 100% satisfaction My area of expertise ✅ Support: Server (Linux, Windows) Support, Cloud ( AWS,Azure,Google Cloud ,DigitalOcean etc) infrastructure implementation, Hosting Support, Mail server setup(Zimbra,MS Exchange,postfix) ✅ Web: ASP.net,MVC Node, React, PHP, Laravel, Python, Ruby on Rails, JavaScript, jQuery, CSS , AJAX ✅ iOS (iPhone, iPad), Objective-C, Swift, XCode ✅ Hybrid, React Native, Ionic, Angular ✅ Android, Java, Android Studio, Eclipse So, do Inquiry, comment or give suggestions, as your feedback is valuable for me, and your input will help help me to Server you Better! 收起
  • 雇用 karunakartiwari
  • 雇用     vili1977
雇用     vili1977

    vili1977 vili1977

    Ukraine $10 美元/小时
    System engineer with experience 13 years.
    Ukraine
    7.0
    544条评论 544条评论 $10 美元/小时
    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. 收起
  • 雇用 vili1977
  • 雇用     owebest
雇用     owebest

    owebest owebest

    India $18 美元/小时
    Ranked in TOP 2% on FREELANCER BASED ON REVIEWS
    India
    5.2
    1条评论 1条评论 $18 美元/小时
    Owebest is a multi-faceted and fast-growing IT company based in India. We help our customers identify their most significant business opportunities and capitalize on them through our excellent services. We provide services in fields of: 1. Web Designing & Development 2. HTML5, CSS3, XML, Bootstrap 3. Core...
    Owebest is a multi-faceted and fast-growing IT company based in India. We help our customers identify their most significant business opportunities and capitalize on them through our excellent services. We provide services in fields of: 1. Web Designing & Development 2. HTML5, CSS3, XML, Bootstrap 3. Core PHP Development 4. Code Igniter, Cake PHP, Laravel Development 5. Wordpress, Python, Magento Development 6. Node JS, Angular JS, Express JS, 7. Dot NET MVC 8. AWS, Azure and Google Cloud Solutions Provider 9. Hybrid and Native Mobile App Development 10. Android & IOS App Development 11 IOT 12. Machine Learning 13. Blockchain Development 14. React and React Native 15. Mongo DB, Cassandra, BigData 16. Crypto Currencies Exchange 17. Penetration & VulnerabilityTesting There are many more technologies in which we work. With OweBest, be assured of quality and genuine work. Take a look at our Portfolio - it speaks for itself. Best Regards, Team OweBest 收起
  • 雇用 owebest
  • 雇用     abdofarag2
雇用     abdofarag2

    abdofarag2 abdofarag2

    Egypt $30 美元/小时
    DevOps/Linux Systems Engineer
    Egypt
    6.6
    10条评论 10条评论 $30 美元/小时
    - 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). 收起
  • 雇用 abdofarag2
  • 雇用     Codeitsmarts
雇用     Codeitsmarts

    Codeitsmarts Codeitsmarts

    India $11 美元/小时
    Web Development | Graphic &Web Designer | OpenCart
    India
    3.2
    1条评论 1条评论 $11 美元/小时
    My interest lies in designing new material & do believe we are creative & can handle complications, I am always eager to learn new things & by listening carefully & asking the right questions can get to the core of the conversation quickly. My objective is to work and satisfy my clients by providing them with high...
    My interest lies in designing new material & do believe we are creative & can handle complications, I am always eager to learn new things & by listening carefully & asking the right questions can get to the core of the conversation quickly. My objective is to work and satisfy my clients by providing them with high quality of work and communication. Designing : ✔ Adobe Photoshop ✔ Adobe Illustrator ✔Adobe In design Development : ✔ PHP ✔ Wordpress (Woocommerce) ✔ Magento ✔ Shopify ✔ Responsive Front-end Development : ✔ HTML5 ✔ CSS3 ✔ Bootstrap ✔ Jquery ✔ Ajax ✔ Javascript ✔ AngularJS ✔✔Rest Features : - High-end experience in SEO/SMO, Link Building, Google Adwords, PPC etc.(Internet Marketing) - Knowledge of existing built-in WordPress functions. - Creation of clean, logical, well-documented and reusable code. - I possess excellent communication skills and can liaise effectively with clients. I am always available here as well as on Skype to hear and meet your requirements. 收起
  • 雇用 Codeitsmarts
  • 雇用     RafimKs
雇用     RafimKs

    RafimKs RafimKs

    India $40 美元/小时
    Expert System, Network & VOIP Administrator
    India
    6.1
    98条评论 98条评论 $40 美元/小时
    Top 1% in the Freelancer.com Community. I am excited to offer 12 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 12 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" 收起
  • 雇用 RafimKs

你好,这是一些不在线的威客

你好,这是一些符合“”的不在线的威客