UNIX Engineers k zaměstnání
Zobrazuje 51 výsledků
Sponzorovaní freelanceři
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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 + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux 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 méně
Zaměstnejte uživatele servermaster
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I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP.I have 17 years experience with linux,freebsd,cisco. Cisco ASR1001, ASA 5505,5510, 29xx,19xx,3560,45xx.,8300,9300 Programming on Perl,Bash,PHP. méně
Zaměstnejte uživatele vili1977
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udayarpandey2022 udayarpandey2022
$50 USD / hod.
IT Infra Solution Architect - DevOps - SecurityNepalLet's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D.Let's keep this short. Anything related to IT: (System/Network/DevOps/Virtualization/Wordpress/Development/Servers/Mail) I can handle them all, period. Ganesh D. méně
Zaměstnejte uživatele udayarpandey2022
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abusayed2004 abusayed2004
$50 USD / hod.
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. méně
Zaměstnejte uživatele abusayed2004
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We deliver complete IT solutions with 16+ years of experience in design, development, hosting, cloud, and ongoing support. Our goal: high-quality, cost-effective services with 100% client satisfaction. 🌐 Our Core Expertise: Cloud & Server Support: Linux/Windows servers, AWS, Azure, Google Cloud, Oracle, DigitalOcean...We deliver complete IT solutions with 16+ years of experience in design, development, hosting, cloud, and ongoing support. Our goal: high-quality, cost-effective services with 100% client satisfaction. 🌐 Our Core Expertise: Cloud & Server Support: Linux/Windows servers, AWS, Azure, Google Cloud, Oracle, DigitalOcean – deployment & infrastructure management Hosting & Email Solutions: DNS setup, Microsoft 365, Zimbra, Exchange, Postfix, custom mail servers Cybersecurity & Compliance: Data security, audits, GDPR/ISO/PCI compliance, penetration testing, disaster recovery planning Web & App Development: PHP (Laravel, CodeIgniter), ASP.NET, Node.js, React, JavaScript, jQuery, AJAX, CSS Data & AI Solutions: Data Analytics, Data Science, Machine Learning, AI-powered automation & insights Digital Presence Optimization: SEO (traditional + AI-powered), paid ads (Google, Bing, Facebook, Instagram, Meta, Amazon), growth marketing strategies Databases: MySQL, MS SQL, MongoDB, Oracle,PostgreSQL etc. CMS & eCommerce: WordPress, Magento, Drupal, Typo3, Zen Cart, NopCommerce Quick Turnaround Services: Landing pages, emailers, microsites, media banners (HTML5, CSS, JavaScript, DCO, DCM, Flashtalking) ✅ Why Clients Choose Us: 600+ projects delivered | 98% completion rate Scalable, reliable, and secure solutions Fast response & minimal downtime Long-term support and partnership Let’s build, secure, and scale your digital presence together. méně
Zaměstnejte uživatele karunakartiwari
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Are you looking for an experienced professional to manage your VoIP systems, optimize your server infrastructure, or streamline your DevOps workflows? With over 10 years of hands-on experience in Linux system administration, cloud platforms, VoIP technologies, and DevOps tools, I deliver solutions tailored to your...Are you looking for an experienced professional to manage your VoIP systems, optimize your server infrastructure, or streamline your DevOps workflows? With over 10 years of hands-on experience in Linux system administration, cloud platforms, VoIP technologies, and DevOps tools, I deliver solutions tailored to your business needs. I specialize in VoIP system deployment and management, ensuring high availability, scalability, and superior call/SMS delivery performance. Whether it's configuring Asterisk, FreePBX, or SIP-based systems, I've got you covered Key Highlights • Operating Systems: Expert in managing Linux distributions like CentOS, Ubuntu, RHEL, Debian, Fedora, and more. • VoIP Solutions: Configuration and troubleshooting of Asterisk, FreePBX, and SIP systems for seamless communication infrastructure. • Cloud Platforms: Skilled in AWS (S3, EC2, EBS), Rackspace, Digital Ocean, and Linode for scalable, secure hosting solutions. • High Availability: Load balancing, clustering, MySQL replication, and failover setups for uninterrupted services. • DevOps & Automation: Docker, Kubernetes, CI/CD pipelines, and tools like Jenkins and Ansible for efficient deployment and scaling. • Monitoring & Security: Implementation of Nagios, Zabbix, and OSSEC for proactive system monitoring and threat detection. • Storage Solutions: Expertise in ZFS, GlusterFS, and other storage systems for reliable data management. Why Work With Me? • Proven Track Record: Over $300K earned, 53 completed contracts, and 9,050 hours worked on Upwork. • Versatile Expertise: Whether it's a one-time setup or ongoing support, I adapt to your needs with precision. • Client-Centric Approach: I prioritize communication, and understanding your requirements to deliver results that exceed expectations. • Remote Work Professional: Experienced in managing global clients and infrastructure, ensuring smooth operations across time zones. If you need reliable, scalable, and efficient solutions for your VoIP, system administration, or DevOps projects, let’s discuss how I can contribute to your success. Let's bring your vision to life. Contact me today! méně
Zaměstnejte uživatele himelaro5
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Full Stack Developer | Mobile Apps | Web (Frontend + Backend) | WordPress | Shopify | Wix | Weblow | Squarespace | Framer | Server Admin Expert | SEO & Digital Marketing | Email Marketing | Mail Chimp | Klaviyo | React.js | Node.js | Angular | Flutter | Kotlin | React native and many more.. We are Netmente, a...Full Stack Developer | Mobile Apps | Web (Frontend + Backend) | WordPress | Shopify | Wix | Weblow | Squarespace | Framer | Server Admin Expert | SEO & Digital Marketing | Email Marketing | Mail Chimp | Klaviyo | React.js | Node.js | Angular | Flutter | Kotlin | React native and many more.. We are Netmente, a premier web and mobile app development company with a proven track record of delivering excellence. We are a full-service IT agency with a talented team of developers, designers, and marketers helping businesses build, scale, and succeed in the digital world. From mobile apps to backend systems, CMS platforms to server management, we cover the full tech stack with precision and passion. Full Stack Development (Frontend + Backend) -Our expert full stack developers craft robust, scalable, and responsive web applications: -Frontend: React.js, Vue.js, Angular, HTML5, CSS3, JavaScript, Tailwind, Bootstrap -Backend: Node.js, Laravel, PHP, CodeIgniter, MySQL, PostgreSQL, MongoDB, REST APIs -We ensure clean code, modern architecture (MVC, MVVM), and optimal performance. -GRAPHICS & WEB DESIGN (Logo, Banner design, Business card and Branding etc… -UI/UX Design, figma and mockups, etc.. ---------------------------------- Mobile App Development Whether you need a powerful native app or a flexible cross-platform solution, we deliver: -Android (Java/Kotlin), iOS (Swift), Objective C -Cross-platform using Flutter, React Native, Ionic, React Web -API integrations, payment gateways, notifications, Firebase, and more ------------------------------------------------------ CMS & eCommerce Solutions Need a stunning website or online store? We specialize in: -WordPress: Theme customization, plugin development, Elementor/Divi -Shopify: Custom theme design, third-party integrations, Shopify plus -Wix, Webflow, Squarespace and Hubspot and Framer, etc.. ------------------------------------------------------ Digital Marketing & SEO Grow your traffic, leads, and brand visibility with our data-driven marketing strategies: -On-page & Off-page SEO(High Quality Backlinks) -Technical SEO audits and implementation, Google Webmaster Tools, Google Analytics. -Google Ads, Facebook/Instagram Ads, LinkedIn & Meta campaign setup -Social Media Management and Content Strategy -Email marketing & Mail Chimp --------------------------------------------- Server & Hosting Management Reliable, secure infrastructure is key. Our server admins can handle: -AWS Server Management, Google Cloud, Azure, Shared Hosting, VPS, Dedicated Server Why Choose Netmente? ✅ 10+ Years of Industry Experience ✅ 400+ Successful Projects Delivered ✅ Transparent Communication & Weekly Progress Updates ✅ Client-Centric Approach Focused on Results ✅ Fast Turnaround & Ongoing Support Let’s turn your idea into reality. Whether you're a startup, SMB, or agency — Netmente is your tech partner for growth. Message us today to get a FREE consultation or quote. Best Regards! méně
Zaměstnejte uživatele netmente
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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...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 méně
Zaměstnejte uživatele osmanbsd
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I am an IT professional with over 15 years of extensive experience as a Linux/DevOps Engineer, specializing in web hosting and data center environments. My expertise encompasses a wide range of areas, including: SSL Certificates: Proficient in managing and implementing SSL certificates to ensure secure...I am an IT professional with over 15 years of extensive experience as a Linux/DevOps Engineer, specializing in web hosting and data center environments. My expertise encompasses a wide range of areas, including: SSL Certificates: Proficient in managing and implementing SSL certificates to ensure secure communications. Server Management: Skilled in the administration and maintenance of servers, ensuring optimal performance and reliability. Server/Websites Migration: Experienced in migrating servers and websites with minimal downtime and disruption. Cloud Platforms: Extensive experience with major cloud platforms such as Digital Ocean, AWS, GCP, and Azure. DevOps Practices: Strong background in implementing DevOps practices to streamline development and operations processes. Skills:- ✔ Hypervisors: vSphere, Xen, Proxmox, Virtualizor, KVM ✔ Web Servers: Apache, Nginx, Tomcat, LiteSpeed ✔ Database: MySQL, PostgreSQL, MongoDB ✔ Cloud platform: AWS, GCP, Azure, DigitalOcean ✔ CI/CD Pipeline: Jenkins, Bamboo, BitBucket, Azure DevOps, AWS code pipeline, CodeDeploy, CodeCommit ✔ Containerization: Docker, Docker-compose Kubernetes ✔ Web Hosting Control Panel: WHM/cPanel, Plesk, Virtualmin, CyberPanel, CWP, aaPanel, zPanel My career has been dedicated to leveraging these skills to enhance the efficiency and security of IT infrastructures. méně
Zaměstnejte uživatele singh677
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C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome.C/C++ programmer with experience in parallel programming using OpenMP/Pthreads and MPI. Bash scripting and any other Linux/Unix tasks are welcome. méně
Zaměstnejte uživatele kaloyan13
