System Administrators For Hire
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Sponsored Freelancers
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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 less
Hire servermaster
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I know all kinds of Marketing, For Example Digital Marketing, Email Marketing, Social Media Marketing and SMS Marketing & I Have Very Big Experience in Search Engine Optimization (SEO) and I know how to manage operating systems, For Example Ubuntu, Debian, Kali, Centos, Cloudlinux, Windows Servers Also if you have...I know all kinds of Marketing, For Example Digital Marketing, Email Marketing, Social Media Marketing and SMS Marketing & I Have Very Big Experience in Search Engine Optimization (SEO) and I know how to manage operating systems, For Example Ubuntu, Debian, Kali, Centos, Cloudlinux, Windows Servers Also if you have any other operating system then I will Manage less
Hire MRARIFAKRAM
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How can I help you: 1. Server maintenance. Configuring. Optimization. Installation. Cleaning; 2. Antiviral works. Malware detection and cleaning. Server protection and securing; 3. Migration. From server to server. From hosting to hosting; 4. Monitoring. I'm providing really professional monthly-basis monitoring...How can I help you: 1. Server maintenance. Configuring. Optimization. Installation. Cleaning; 2. Antiviral works. Malware detection and cleaning. Server protection and securing; 3. Migration. From server to server. From hosting to hosting; 4. Monitoring. I'm providing really professional monthly-basis monitoring using my own monitoring tools which allow me see server health 24 hours a day and receive notifications if server or website is bad. Additionally, my tool can perform malware scanning almost in realtime, and warn me if malware is found. Refer to my portfolio to see how it looks. Reputation - is above of everything else! less
Hire wmtoolsnet
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Top 1% in the Freelancer.com Community. I am excited to offer 14 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 14 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) - Wireless(Cisco,Unify,Grandstream,Fortigate) - 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" less
Hire RafimKs
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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 ** less
Hire 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 less
Hire arifnafees
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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. less
Hire razzeshsingh
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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. less
Hire 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 less
Hire mrkimoz
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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 ! less
Hire samermassoud
