System Administrators til leie

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  • Ansett     servermaster
Ansett     servermaster

    servermaster servermaster

    Estonia $25 USD / time
    Professional IT specialist
    Estonia
    5.9
    26 omtaler 26 omtaler $25 USD pr. time
    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: Java web servers: Tomcat, Jrun, Jboss, C++ web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Proxy systems: Haporxy, 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. WAP: XMG, SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail. 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 mindre
  • Ansett servermaster
  • Ansett     abdofarag2
Ansett     abdofarag2

    abdofarag2 abdofarag2

    Egypt $30 USD / time
    DevOps/Linux Systems Engineer
    Egypt
    7.0
    14 omtaler 14 omtaler $30 USD pr. time
    - 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). mindre
  • Ansett abdofarag2
  • Ansett     Igorter
Ansett     Igorter

    Igorter Igorter

    Russian Federation $30 USD / time
    ML, DL Expert, WEBSITE & MOBILE
    Russian Federation
    3.6
    1 anmeldelse 1 anmeldelse $30 USD pr. time
    My skill: 1. ML, DL, Data Science, MATLAB - Computer Vision, Image Processing(OpenCV, EMGU CV) - Machine Learning, Deep Learning(CNN, RNN, LSTM, NLP) 2.MOBILE DEVELOPMENT -Native Development -Hybrid: Flutter,IONIC,React Native 3.Programming Language -Python(Django,...
    My skill: 1. ML, DL, Data Science, MATLAB - Computer Vision, Image Processing(OpenCV, EMGU CV) - Machine Learning, Deep Learning(CNN, RNN, LSTM, NLP) 2.MOBILE DEVELOPMENT -Native Development -Hybrid: Flutter,IONIC,React Native 3.Programming Language -Python(Django, Flask), R -C/C++ -C# mindre
  • Ansett Igorter
  • Ansett     NayaPakistan
Ansett     NayaPakistan

    NayaPakistan NayaPakistan

    Pakistan $15 USD / time
    Full Stack/PHP/Wordpress/.NET/System Admin
    Pakistan
    3.8
    13 omtaler 13 omtaler $15 USD pr. time
    ********************************* بسم الله الرحمن الرحيم ********************************* Good day, An individual freelancer having 10+ years of experience in website and software technologies. Strictly, I only bite what I can chew. Are you looking to get something done? Hire me and I will deliver my best. Thanks...
    ********************************* بسم الله الرحمن الرحيم ********************************* Good day, An individual freelancer having 10+ years of experience in website and software technologies. Strictly, I only bite what I can chew. Are you looking to get something done? Hire me and I will deliver my best. Thanks for dropping by. mindre
  • Ansett NayaPakistan
  • Ansett     AhmedMFakkar
Ansett     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / time
    Cisco Professional
    Egypt
    6.1
    92 omtaler 92 omtaler $25 USD pr. time
    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. mindre
  • Ansett AhmedMFakkar
  • Ansett     evgeny1002
Ansett     evgeny1002

    evgeny1002 evgeny1002

    Russian Federation $40 USD / time
    Senior Software Engineer
    Russian Federation
    5.6
    2 omtaler 2 omtaler $40 USD pr. time
    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. ======= BACKEND & LINUX SYSTEM ADMINISTRATION ======= # Django, Flask, Spring, Express, Laravel, .NET # 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 ======= BIG DATA PROCESSING ======= # Bigdata processing with Apache Kafka/Spark & AWS Kinesis ======= FRONTEND DEVELOPER ==== # MERN/MEAN, Vue/Vuex, Angular, D3.js ======= PYTHON STACK ========== # Image Processing, OCR with OpenCV with Python # ML with Tensorflow, Keras, Spicy, etc # Blockchain with Hyperledger, Corda, Quorum # Windows & Linux Applications with Python, C#, C++ mindre
  • Ansett evgeny1002
  • Ansett     alisiblini11
Ansett     alisiblini11

    alisiblini11 alisiblini11

    Finland $25 USD / time
    High Rated Development Expert
    Finland
    3.6
    9 omtaler 9 omtaler $25 USD pr. time
    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...
    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 create 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 / CodeIgnitor . Linux Server Management Features of Service: * 100% Customer Satisfaction * Perfect 5 star reviews!! * Professional communication * Availability 24/7 mindre
  • Ansett alisiblini11
  • Ansett     sarrvareddy
Ansett     sarrvareddy

    sarrvareddy sarrvareddy

    India $35 USD / time
    #Servers #Cloud #DevOps #Development # Designing
    India
    5.7
    61 omtaler 61 omtaler $35 USD pr. time
    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 App Development ❄ Software Development. ❄ Server Support. ❄ Cloud Solutions. ❄ Citrix 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 mindre
  • Ansett sarrvareddy
  • Ansett     udayarpandey2022
Ansett     udayarpandey2022

    udayarpandey2022 udayarpandey2022

    Nepal $50 USD / time
    Linux Engineer
    Nepal
    5.5
    94 omtaler 94 omtaler $50 USD pr. time
    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. mindre
  • Ansett udayarpandey2022
  • Ansett     razzeshsingh
Ansett     razzeshsingh

    razzeshsingh razzeshsingh

    India $40 USD / time
    ✔️Sr. Server Admin ✔️ IT Expert ✔️Cyber Security
    India
    5.4
    21 omtaler 21 omtaler $40 USD pr. time
    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. mindre
  • Ansett razzeshsingh

Hei , her er noen offline frilansere

Hei , her er noen offline frilansere som matcher mer ""