UNIX Engineers Para Contratação
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Mostrando 43 resultados
Freelancers Patrocinados
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I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP...I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. __________________________ VERY IMPORTANT!!! “Hi I'm Matias, someone is trying to impersonate me, this account is the only one active and verified by freelancer! I DON'T USE ANY OTHER MEANS OF CONTACT, ONLY FREELANCER CHAT!” ----------------------------------------- menos
Contratar MaTGaPa
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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 menos
Contratar 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. menos
Contratar vili1977
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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. menos
Contratar karunakartiwari
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abusayed2004 abusayed2004
$50 Dólares / hora
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. menos
Contratar abusayed2004
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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 menos
Contratar osmanbsd
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Testes / Garantia de qualidade, Automação de Testes, Selenium Webdriver, Atlassian Confluence, Programação Orientada a Objetos (POO)http://url6635.hirenest.com/ls/click?upn=DJp4VtPXWoYmCDCt7nvDf8SoAtp2H7631TaKwwfqkpuLYUhlBWVPtizFtHXXIYFRpkZdpzrwRr1SN7fsvryXZVrZS0h1Q3-2FKD0hKNIG0grQSGgJ6Qnhwq12r3mruEITUDN51CHCj2EVmG6Ve-2BiM8Qg-3D-3DB5nT_6jnjRKGbXukxjh5w-2BlZ4LVnr75K0UJuwUjAQLiXBSDuPsItIDIGsq0JpUD-2BflwIBC-2BesTsLFFoo9O0FgnQDcUdLWZh9rMC8Kg00HnazMa30-...http://url6635.hirenest.com/ls/click?upn=DJp4VtPXWoYmCDCt7nvDf8SoAtp2H7631TaKwwfqkpuLYUhlBWVPtizFtHXXIYFRpkZdpzrwRr1SN7fsvryXZVrZS0h1Q3-2FKD0hKNIG0grQSGgJ6Qnhwq12r3mruEITUDN51CHCj2EVmG6Ve-2BiM8Qg-3D-3DB5nT_6jnjRKGbXukxjh5w-2BlZ4LVnr75K0UJuwUjAQLiXBSDuPsItIDIGsq0JpUD-2BflwIBC-2BesTsLFFoo9O0FgnQDcUdLWZh9rMC8Kg00HnazMa30-2BRzuBXfMNhdIsRdtueKhhmK54wovLgPrPl6htgrY5Z0k5ZHi8r3o0plDmYueX-2F9MjPxf6M-2Fb97D9BPciU8WQ-2B-2BOLduBRRQygVwbfCrcpnJCGKchdJhdpFbYcQFDTZT9k-3D SAFe4 SA(Agilist), CSM, PMP, CMST, ITILV3 Foundation & ACSE Certified Profesisonal Documented and tracked requirements, completed use case documentation, documented, and tracked risk and reported team work to upper management and customers. Consistently worked to improve the processes and quality of our team's work by: implementing test-driven development, ensuring that software conformed to architectural standards and participating in design and implementation reviews. Worked with customers and product manager to prioritize and validate requirements. Completed plans for long term goals using Microsoft Project. Coordinated the work efforts of 12-person team for various projects. Helped team complete tasks successfully and on-time and resolved obstacles encountered by team members. Coordinated and participated in weekly estimation meetings to provide high-level estimates (Story Points) for backlog items. Defined and agreed KPIs of the scrum with the client and tracked the to achieve within agreed timelines/Scope/Quality/Cost. Work with product owners to groom the backlog and plan sprints. Track, escalate and remove impediments. Report at daily Scrum of Scrum meetings. Track burn down, issues and progress in Version One. Work with component teams to resolve issues. Improved team velocity by incorporating capacity planning into sprint planning sessions. Implemented Issues Tracking in Rally to effectively track impediments against user stories. Quickly became the recognized Rally expert within QMinds Resolved a complex infrastructure issue by creating and utilizing a professional network of Scrum Masters, Product Owners and Technical Leads within QMinds Studying various Manual Test Cases of WebRes, PCI and MAST applications. Prepared Test Data for automation of WebRes, PCI and MAST applications, using Protractor, Jasmine and cucumber, type script, java script, java , Selenium Designed test scripts against test cases of MAST application; tested test scripts if those are consistently working or not. menos
Contratar ramavreddy108
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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. menos
Contratar kaloyan13
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Hi, I’m a DevSecOps & Cloud Infrastructure Engineer with over 12 years of experience in Cloud Architecture, Web Hosting, Server Security, and Malware Remediation. I specialize in building secure, scalable, and automated infrastructures across leading cloud and hosting environments. Core Expertise Operating...Hi, I’m a DevSecOps & Cloud Infrastructure Engineer with over 12 years of experience in Cloud Architecture, Web Hosting, Server Security, and Malware Remediation. I specialize in building secure, scalable, and automated infrastructures across leading cloud and hosting environments. Core Expertise Operating Systems Debian, Ubuntu, CentOS, Red Hat, Fedora, AlmaLinux Cloud Platforms AWS, Google Cloud, Azure, Alibaba Cloud, IBM Cloud, OVH, Linode, DigitalOcean, Vultr, Scaleway Containerization & Orchestration Docker, Kubernetes, Helm, Docker Compose Infrastructure as Code (IaC) & Automation Terraform, Ansible, CloudFormation, CI/CD Pipelines (GitHub Actions, GitLab CI, Jenkins),N8N Web Servers Apache, Nginx, LiteSpeed, IIS Databases MySQL, MariaDB, PostgreSQL, Amazon Aurora Mail Systems Zimbra, Postfix, Dovecot, iRedMail, Sendmail ERP / CRM Odoo, vTiger, Dolibarr, SugarCRM, SuiteCRM, YetiForce, ERPNext E-Learning & Video Conferencing BigBlueButton, Greenlight, Jitsi Meet, Moodle LMS, Chamilo LMS, Open edX, Scalelite Control Panels cPanel/WHM, DirectAdmin, ISPConfig, Webmin/Virtualmin, CWP, Plesk, VestaCP, HestiaCP CMS & E-Commerce WordPress, Joomla, Drupal, Magento, OpenCart, PrestaShop PHP Frameworks Laravel, CodeIgniter, Zend Security & Compliance OWASP Top 10, Burp Suite, PCI DSS, Server Hardening, WAF Integration, Cloud Security Best Practices I bring a security-first DevOps mindset, ensuring every deployment is automated, scalable, and compliant. From designing Kubernetes clusters and managing CI/CD pipelines to hardening cloud workloads and optimizing performance, I help businesses achieve stability, security, and operational excellence in the cloud. Thanks, menos
Contratar sr33raj
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Live Experts® LLC: Experienced Engineers and Developers for All Your Projects. "At Live Experts, we are a team of professional engineers and developers who have a proven track record of delivering high-quality work. Our focus is on transforming your ideas into reality, while ensuring your satisfaction with every...Live Experts® LLC: Experienced Engineers and Developers for All Your Projects. "At Live Experts, we are a team of professional engineers and developers who have a proven track record of delivering high-quality work. Our focus is on transforming your ideas into reality, while ensuring your satisfaction with every project." Research Writing: We specialize in research writing services, including literature reviews, research papers etc Computer Science: Our team is proficient in Machine learning, Deep learning, Artificial intelligence, Algorithms, Linux, Bash, Docker, and Asterisk. Engineering: We offer expertise in electrical, mechanical, civil, chemical, software, petroleum, and structural engineering. Statistics/Data Analysis: Our team has experience in SPSS, Minitab, Weka, and R programming for statistics and data analysis. Big Data Analysis: We offer services in classification and prediction, Hadoop, and Spark for big data analysis. Game/Web Development: Our team specializes in UNREAL, 3D, AR, VR, Unity 3D, and IOS/Android app development. Software Development: We provide software development services using languages such as Matlab and Mathematica, Python, Java, C/C++, C#, Arduino, Raspberry pi, and cloud computing. Engineering Tools: We are proficient in using tools such as 3ds Max, AutoCAD, Solidworks, Revit, Cisco, Simulink, Verilog/VHDL, Ansys, CAD, CAM, Abaqus, Arena, PCB, and hardware. Other Skills: We also have experience in EAGLE, Linux, Unix, Socket, Aspen, Hysys, TensorFlow, Keras, OpenCV, OpenGL, COMSOL and PLC Contact us today to discuss your project and get started! menos
Contratar LiveExperts