System Administrators para contratar
Mostrando 266 resultados
Freelancers patrocinados
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About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems: debian,ubuntu,gentoo,suse,redhat,centos and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done menos
Contratar servermaster
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I have 5 years of experience deploying and maintaining the following: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V,...I have 5 years of experience deploying and maintaining the following: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft®, Google Cloud Platform(GCP). ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Web servers: IIS, APACHE, NGINX ✅Scripting: PowerShell scripting, Bash Scripting ✅Containers: DOCKER, Windows Subsystem for Linux (WSL). ✅Backup Systems Veaam Backup, Iperius Backup, UrBackup. ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Database servers: MySQL, PostgreSQL ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅NAS: FreeNAS, TrueNAS ,Synology, QNAP, Buffalo ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: PLESK, cPanel, CyberPanel ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** menos
Contratar AZTURK1
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After getting nine years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...After getting nine years of experience in System and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Virtualization ---Vmware Vsphere High Availability & Disaster Recovery ---Veeam Backup & Replication Windows Server ---Active Directory, File Services, WDS Mail Server, Database Server ---Exchange, Mdaemon VOIP --- Elastix, Freepbx Cloud Computing ---AWS, EC2, RDS, VPC, ECS, S3, EFS, Cloudfront, Elastibeanstalk, etc. Containerization -- Docker, Docker-compose, Kubernetes DevOps -- Jenkins, Bitbucket, Github, Terraform Website Development ----Wordpress, PHP, HTML, CSS, Javascript menos
Contratar arifnafees
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As a software engineer, I specialize in creating efficient and reliable solutions for a variety of needs. With a background in cloud technology, I am well-versed in utilizing the latest tools and platforms to maximize performance and scalability. In addition to my technical skills, I am also able to provide virtual...As a software engineer, I specialize in creating efficient and reliable solutions for a variety of needs. With a background in cloud technology, I am well-versed in utilizing the latest tools and platforms to maximize performance and scalability. In addition to my technical skills, I am also able to provide virtual assistance to help with a wide range of tasks. I can work as a data entry operator with great efficiency and accuracy. With a keen attention to detail and a commitment to delivering high-quality results, I am confident in my ability to help you achieve your goals. Whether you need help with a specific project or ongoing support, I am here to help. menos
Contratar jinufeb14
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Certified Server & Cloud Professional with more than 10 years of solid expertise. I have Linux, UNIX, Devops, AWS, Oracle Cloud, AZURE, Google Cloud, Vmware, Openstack and Windows Services expertise. Expert in doing all types of server, Websites and Mail migration Expertise on setup/configuration of Amazon web...Certified Server & Cloud Professional with more than 10 years of solid expertise. I have Linux, UNIX, Devops, AWS, Oracle Cloud, AZURE, Google Cloud, Vmware, Openstack and Windows Services expertise. Expert in doing all types of server, Websites and Mail migration Expertise on setup/configuration of Amazon web services(AWS), Oracle Cloud(OCI), Azure, Google, Digitial Ocean or almost all clouds. Great Devops skills with tools like Jenkins, Ansible, Grafana, Prometheus, Terraform etc. I have WHM Cpanel, Plesk, Postfix, Exim, Zimbra Mail Server, Windows Exchange, IIS Administration Expertise Web Hosting setup, Install, manage and configure Zimbra, WHM/Cpanel, Cacti, Nagios, Zenoss, Nominatim Servers & PHPlist, Migration over Zimbra exim Cpanel, Zpanel, Parallels, Mysql, DNS, Database migration on any hosting panel, etc. Atlassian products like JIRA, JIRA Agile, JIRA Capture, Crowd, Stash, Confluence, Fisheye Bamboo, etc. Certified RHCE/RHCSA/RHCSS RHCVA, Openstack, Oracle Cloud(OCI) Professional & Mirantis Cloud Active Directory Microsoft Exchange Administration I have a great academic background in Linux and Cloud as well as my experience compliments my studies. AS AN ENGINEER, I CAN SAY NOTHING IS IMPOSSIBLE TO IMPLEMENT. FEEL FREE TO CONTACT ME ANYTIME. In addition to this, I look forward to working on your projects. menos
Contratar amiteshojha
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I'm expert system admin with more than 10 years experience in Linux and Windows OS, i can deploy, install, troubleshooting, fixing bugs and errors and providing support for all applications and software's based on Linux or windows operating systems. 1. AWS Cloud Practitioner Essentials ( EC2, RDS, EBS, CDN, AS3, VPC...I'm expert system admin with more than 10 years experience in Linux and Windows OS, i can deploy, install, troubleshooting, fixing bugs and errors and providing support for all applications and software's based on Linux or windows operating systems. 1. AWS Cloud Practitioner Essentials ( EC2, RDS, EBS, CDN, AS3, VPC ) 2. Virtualization Software (Proxmox, ESXI, Xen, KVM, virtual box, VMWare). 3. Web Servers, FTP Servers, DNS Servers, Database servers, Email Servers 4. Securing PHP, Monitoring System, Hacking Detection and server cleanup 5. cPanel/WHM, Plesk , Webmin, Virtuozzo, CWP, CyperPanel, Vestacp 6. Administration Networks (LAN’s, WAN, VLAN ) 7. MySQL Cluster and Load balancing 8. Firewalls ( Sophos, Pfsense, Kerio ) 9. Streaming Servers ( RTMP, WMSPanel, Nimble, HLS, FFMPEG ) 10. Docker installation and setup images menos
Contratar mrkimoz
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Our company is a well-known name that provides services to the clients. We have a team of highly experienced and professional data analysts who help our customers in every possible way. We provide Data Analyst with more than ten years of experience. I have exceptional skills in all aspects related to analyzing and...Our company is a well-known name that provides services to the clients. We have a team of highly experienced and professional data analysts who help our customers in every possible way. We provide Data Analyst with more than ten years of experience. I have exceptional skills in all aspects related to analyzing and presenting numbers, which is why my clients come back again for help they know will be worth it! I enjoy working with databases and developing systems that make peoples lives easier. I have been a developer for over 10 years and have worked with many different kinds of software. I am also experienced in system administration and can help keep your systems running smoothly. menos
Contratar bskalra
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I am offering a variety of services based on that the experience and the know-how I have acquired through out my career, and the network of professionals in many domains worked within. ✤ Cloud Compute: ~ Migrate workload and solutions (on-premise to cloud | cloud Provider to another). ~ Design and deploy solution...I am offering a variety of services based on that the experience and the know-how I have acquired through out my career, and the network of professionals in many domains worked within. ✤ Cloud Compute: ~ Migrate workload and solutions (on-premise to cloud | cloud Provider to another). ~ Design and deploy solution architecture to fit priorities (performance | budget | resilience). ~ Containerize solutions and transform solutions from system based to Kubernetes. ~ AWS Solution deployments (EC2 | Lightsail | Beanstalk | EKS | ECS | Serverless ) ~ AWS Services (IAM | Cognito | SES | SNS | Lambda | S3 | EFS | RDS | DynamoDB) ✤ Cloud Solutions ~ CMS Solutions (Joomla | Wordpress | Grav | Drupal) ~ Web development frameworks (PHP | python | Nodejs ) ~ Database: MySQL/MariaDb, Postgres, Yugabytedb, NoSQL (CouchDB | DynamoDB) ~ Idp deployment and configuration (AWS Cognito | Keycloak | Social Providers) ~ Web service & reverse proxy ( Apache | Nginx | Caddy | Traefik) ~ Microsoft 365 migrations (Tenant to Tenant, Exchange to M365). ✤ CI/CD ~ Infrastructure as Code (Terraform | AWS Cloudformation) ~ Frameworks (ArgoCD | Jenkins | GitHub | GitLab) ~ Cloud Management (Rancher | EKS | GKE | Kubernetes) ✤ Systems & Network Solutions: ~ Deploy & manage windows based networks (AD, DNS, DHCP, SharePoint, WSUS, System Center). ~ Deploy & manage linux solutions (FreeIPA, Bind, Unbound). ~ VPN Services (OpenVPN, Wireguard) ✤ web development stack ~ PHP (CorePHP | Laravel) ~ Python (Python | Django ) ~ Javascript ( Nodejs | Vue | Angular ) ✤ Business Systems Implementations ~ ERP (MIcrosoft Dynamics F&P, CRM, BSC) ~ PMS (Oracle Hospitality Opera / Opera Cloud) ~ POS (Oracle Hospitality Simphony / Simphony Cloud) I make myself available for discussions, clarifications, and give an opinion ! menos
Contratar samermassoud
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My name is Ahmed, I'm Redhat certified administrator. I have more than five years of experience in Linux, VMware. Web applications and databases. Looking for working with you.My name is Ahmed, I'm Redhat certified administrator. I have more than five years of experience in Linux, VMware. Web applications and databases. Looking for working with you. menos
Contratar Ahmedi89
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A Sr. Devops engineer with 14 years experience. Having Bachelor Degree in Computer Science. Expert in Linux administration, Windows server Administration, CICD, Jenkins, Gitlab, Github, bitbucket, AWS, GCP, Azure, STC Cloud, Cloud computing, Virtualization, VPN, Firewalls administration, ProxySQL, MsSQL, MySQL,...A Sr. Devops engineer with 14 years experience. Having Bachelor Degree in Computer Science. Expert in Linux administration, Windows server Administration, CICD, Jenkins, Gitlab, Github, bitbucket, AWS, GCP, Azure, STC Cloud, Cloud computing, Virtualization, VPN, Firewalls administration, ProxySQL, MsSQL, MySQL, MongoDB, LoadBalancer, Nginx, Apache, IIS, Reverse Proxy, Docker, Kubernetes, DB Clustering, Grafana, and VOIP(Asterisk PBX, FreePBX, IssabelPBX, SIP/IAX, SIP Circuti, FXO, Analog to digital, Callcenter System). GSuite, offie 365, Microsoft exchange, WebRTC, TURN/STUN. menos
Contratar hasansarif2
