10の結果を表示する
スポンサーされているFreelancer
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abusayed2004 を採用する
abusayed2004 abusayed2004
$50 USD / 時間
Ai Voice Agent, Asterisk PBX, SIP, Linux, SecurityBangladeshI am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I...I am currently seeking long-term remote and on-site job opportunities. With 15 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, MySQL, and Linux customisation. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Ai Voice Agent build and operations multi tenant platform. - Linux - Hosting Systems Administration & Monitoring - Kubernaties, IoT tech stack - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimisation - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP, IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. 減らす -
osmanbsd を採用する
AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL,...AWS Certified Solutions Architect – Associate cPanel & WHM System Administrator I Oracle Certified Professional for Solaris 10 CCNA Protocols/Technologies -------------------------------------- IPV4, IPV6, TCP, UDP, ICMP, SMTP, POP3, IMAP4, SNMP, ARP, DHCP, BOOTP, FTP, RADIUS, NFS, RSYNC, ISCSI, SAN, NAT, STP, ISL, 802.1Q, Ethernet 802.3 802.2, Ether channel, PPP, HDLC, Frame Relay, ATM, IMA, PPPoE, BGP v4, Net-Flow, WCCP, E-1, STM-1 Linux and Unix Type Operating Systems --------------------------------------------------------------- CentOS, Alma Linux, CloudLinux, Ubuntu, Debian, Sun Solaris 8, 9, 10 (Sparc and Intel) FreeBSD 4.x - 8.x OpenBSD Cloud / Amazon AWS Technologies --------------------------------------------------------- S3, EC2, VPC, RDS, Autoscaling, IAM, ELB/NLB, EFS, Lightsail, SES, WorkMail, Cloudfront, Snowball, SnowballEdge, DataSync Webhosting Control Panels / Software ------------------------------------------------------------- Cpanel/WHM, Plesk, CyberPanel Apache, Nginx, lightspeed, php-fpm Services Platforms ------------------------------ Cloudflare, Rackspace, Sendgrid, Brevo/SendinBlue, Mailgun, Godaddy, namecheap, Hostgator, namesilo, Ongage, Active Campaign, Google Workspace, Microsoft365, Squarespace, Wix, Ongage, Zoho, Klaviyo, customer.io Email Marketing Frontends ------------------------------------------- Mailwizz, Acelle Mail, Mumara, Mautic, Interspire, Octecth Oempro, 12all/Active Campaign SMTP Servers ----------------------- Postfix, Qmail, Exim, PowerMTA, KumoMTA, OpenDKIM, MailCow Virtualization / Containers ------------------------------------------ VMWare ESXi, VirtualBox, Citrix XEN Server 5.5, Citrix XEN App 5 / Presentation Server, Solaris zones, Open VZ, XEN Opensource, Docker Web/Scripting/Programming Languages ----------------------------------------------------------------- Perl, Bash shell, PHP, AWK, HTML, CGI, SQL, TSQL, Java 減らす -
krishmaqvan を採用する
Hello My name is Kishor. I am top rated freelancer by preferred freelancer team. I am providing technical support for desktop, server, switches, routers and all IT elated devices List of services: Server configuration,magement,migration and troubleshooting. Microsoft windows all versions troubleshooting. Linux...Hello My name is Kishor. I am top rated freelancer by preferred freelancer team. I am providing technical support for desktop, server, switches, routers and all IT elated devices List of services: Server configuration,magement,migration and troubleshooting. Microsoft windows all versions troubleshooting. Linux configuration,management and troubleshooting. Network switches ,router and other devices configuration for lan and wan. I am Cisco and RedHat certified engineer. Microsoft: Active directory , file server ,ssh ,remote desktop server, windows update server,dns server,dhcp server, terminal server. Linux: Centos ,RedHat,Fedora, Debian ,Ubuntu ,Suse Servers (HP Proliant Servers) & (Dell power edge server) I am available for solve your any Information technology related projects I have licensed version of Anydesk so I can fix and complete project wit remote session with Anydesk. 減らす -
ServerOK を採用する
I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. I am online from UTC/GMT 03:00 to 07:00 and 16:00 to 20:30. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS -...I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. I am online from UTC/GMT 03:00 to 07:00 and 16:00 to 20:30. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS - OpenVZ/KVM/Xen/Hyper-V/SolusVM/ProxMox * Docker/RancherOS * Linux/Cpanel Server Setup * Server Security - csf/maldet * PHP - Script Installation/Custom coding/Laravel * Ffmpeg/Youtube Clone installation * WHMCS Installation * OpenAI, Gemini, Claude, Deepseek, Ollama, Local LLM, OpenClaw Listed on FreeLancer Security Hall Of Fame - Yujin Boby (@serverokin) https://www.freelancer.com/about/security/hall-of-fame 減らす -
servermaster を採用する
About me I have worked over 20 years at IT and telecom companies in the 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 the OSI layer. With...About me I have worked over 20 years at IT and telecom companies in the 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 the OSI layer. With me, it is easy to set up systems. I am not picky about what systems to use, but I do have experience with what to use. I know the following operating systems + distros: Debian, Ubuntu, Gentoo, SUSE, Red Hat, CentOS, Rocky Linux, AlmaLinux, Arch Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, plus MS Windows servers I also know the following systems: * Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. * Java web servers: Tomcat, Jrun, JBoss * Javascript: Node.js, npm * Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL * Mail systems: Postfix, Exim, Dovecot, and implementing DKIM, SPF, MX, and 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, Podman, LXC, jail, Kubernetes * High Computing: OpenHPC, SLURM, MPI, and related * Cloud providers: AWS, DigitalOcean, Azure… I troubleshoot easily My knowledge does not stop here. Let's chat Please see my reviews of my previous works PS! As bonus, with my bid, you will get one week of free support for work done 減らす -
Udit47 を採用する
AWS Certified Specialist Database Engineer with 8+ years of professional experience I have administered large, scalable & efficient PostgreSQL & MSSQL databases (60+ TB / 500+ Servers) for successful SaaS products which are hosted on-premises & on cloud both. Designed and maintained large-scale data lake platforms...AWS Certified Specialist Database Engineer with 8+ years of professional experience I have administered large, scalable & efficient PostgreSQL & MSSQL databases (60+ TB / 500+ Servers) for successful SaaS products which are hosted on-premises & on cloud both. Designed and maintained large-scale data lake platforms on AWS for real-time analytics. Developed ETL/ELT pipelines using AWS Glue, PySpark, S3, Redshift, Lake Formation, and Quicksight. I have also been majorly involved in database schema design, identifying & rectifying database performance bottlenecks, SQL optimization, database configuration tuning. I have knack for automation which ensures consistency and fail-safety. I have automated tasks with help of tools such as Jenkins, Ansible, Terraform, Shell Script etc. I have worked with Python as well for ETL processes, data analysis, API development and automation as well. My technology stack: Databases: PostgreSQL (Community, Amazon RDS, Amazon Aurora, GCP Cloud SQL, GCP AlloyDB) AWS Redshift Cassandra (Community, DataStax, AWS Keyspaces, AWS DynamoDB) MySQL Microsoft SQL Server Oracle Big Data Analytics & Data Engineering: Amazon Redshift dbt AWS Glue AWS S3 Apache Spark/PySpark Lake Formation Amazon Quicksight Apache Airflow Microsoft BI Stack (SSIS, SSAS, SSRS, Power BI) Programming Languages: Python Cloud Platforms: Amazon Web Services (AWS) Google Cloud Platform (GCP) Automation Tools: Jenkins Terraform Ansible Bash/Powershell scripting OS: Linux (Ubuntu, CentOS, RedHat) Windows (Desktop, Server) 減らす -
anbulin を採用する
I specialize in building production-grade business intelligence. While others build simple "zaps," I architect enterprise-level ecosystems that combine the front-end power of GoHighLevel (GHL) with the back-end stability of Red Hat OpenShift and Azure. I bridge the gap between "marketing automation" and "IT...I specialize in building production-grade business intelligence. While others build simple "zaps," I architect enterprise-level ecosystems that combine the front-end power of GoHighLevel (GHL) with the back-end stability of Red Hat OpenShift and Azure. I bridge the gap between "marketing automation" and "IT infrastructure," ensuring your AI Voice Agents and Chatbots are hosted in secure, containerized environments with 99.9% uptime and automated disaster recovery. Core Technical Stack: Automation & AI: Advanced n8n/Make.com workflows integrated with AI Voice Agents and custom LLM chatbots for lead-to-cash lifecycle management. Infrastructure as Code (IaC): Leveraging Ansible to automate server provisioning, configuration management, and application deployment across hybrid environments. Cloud & Containerization: Architecting scalable clusters on Red Hat OpenShift and Microsoft Azure. Expert in Linux (RHEL) hardening and management. CRM Strategy: Full-stack GoHighLevel engineering, including API integrations, custom snapshots, and SaaS-mode optimization. Governance & Security: Implementing enterprise-standard Backup & Storage solutions and CI/CD pipelines to ensure data integrity and rapid deployment. The Value I Bring to High-Ticket Projects: Reduced Overhead: I use Ansible and Linux to self-host automation (n8n), saving you thousands in monthly SaaS subscription fees. Enterprise Scalability: Using OpenShift, I ensure your AI infrastructure scales automatically as your traffic grows. Stability: Your systems are built with failovers and automated backups—no more "broken workflows" halting your revenue. "I don't just connect apps; I build the infrastructure that scales companies." 減らす -
wmtoolsnet を採用する
How can I help you: ⚡ ⚒️ Server maintenance. Configuring. Optimization. Installation. Cleaning; ⚔️ Antiviral works. Malware detection and cleaning. Server protection and securing; ⛴️ Migration. From server to server. From hosting to hosting; ♒ Monitoring. I'm providing really professional monthly-basis monitoring...How can I help you: ⚡ ⚒️ Server maintenance. Configuring. Optimization. Installation. Cleaning; ⚔️ Antiviral works. Malware detection and cleaning. Server protection and securing; ⛴️ Migration. From server to server. From hosting to hosting; ♒ 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 - above of all ❤️ 減らす -
sasha2002 を採用する
Do your work quickly and efficiently! Working as SysAdmin, LinuxAdmin and DevOPS. Just hire me as permanent worker!Do your work quickly and efficiently! Working as SysAdmin, LinuxAdmin and DevOPS. Just hire me as permanent worker! 減らす -
hd65387 を採用する
I help startups, SMEs, and growing businesses identify security weaknesses before attackers do. I specialize in Vulnerability Assessment & Penetration Testing (VAPT), Red Teaming, Web Application Security Testing, API Security Testing, Network Security Assessment, and Security Audit. My approach is practical and...I help startups, SMEs, and growing businesses identify security weaknesses before attackers do. I specialize in Vulnerability Assessment & Penetration Testing (VAPT), Red Teaming, Web Application Security Testing, API Security Testing, Network Security Assessment, and Security Audit. My approach is practical and business-focused: I don’t just find vulnerabilities, I provide clear risk explanations, proof-of-concept validation where appropriate, and remediation guidance your team can act on. What I can help with: Web Application Penetration Testing API Security Testing Network VAPT Red Team Assessment Security Audit & Hardening Review Cloud Security Review Secure Configuration Review Risk-based Security Reporting Why work with me: CEH v12 certified Red Teaming background Structured, professional reporting Founder-led execution backed by Red Secure Clear communication and responsible testing approach If you need a serious security professional who can assess your environment and deliver actionable findings, let’s connect. 減らす
