UNIX Engineers pentru angajare
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Angajează pe servermaster
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 mai puțin -
Angajează pe karunakartiwari
🚀 OMANGOM – Ecommerce, Automation, Cloud & AI Solutions Partner We help businesses build, automate, and scale digital operations using ecommerce platforms, business systems, cloud infrastructure, and AI-driven automation. With 16+ years of experience and 600+ projects delivered, we support clients globally as a...🚀 OMANGOM – Ecommerce, Automation, Cloud & AI Solutions Partner We help businesses build, automate, and scale digital operations using ecommerce platforms, business systems, cloud infrastructure, and AI-driven automation. With 16+ years of experience and 600+ projects delivered, we support clients globally as a reliable long-term technology partner. 🌐 Core Expertise 🛒 Ecommerce Development & Optimization Shopify | WooCommerce | Magento Store development, migration, optimization Conversion improvement & performance tuning Backend workflow automation ⚙️ Business Systems & Automation Zoho | Odoo | Custom Systems CRM, ERP, HRMS implementation Workflow automation AI-enabled lead handling & support ☁️ DevOps, Cloud & Infrastructure AWS | Azure | Oracle | Google Cloud | DigitalOcean Linux & Windows server management Deployment, monitoring, security, backup Performance & uptime optimization 🛠 Managed Support & Helpdesk Ongoing technical support Issue resolution & maintenance System upgrades & monitoring 📧 Hosting, Email & IT Setup Microsoft 365 | Zimbra | Exchange | DNS Email setup & server management Hosting & infrastructure support 💻 Web, App & SaaS Development PHP (Laravel, CodeIgniter) | ASP.NET | Node.js | React | Flutter Custom web & mobile applications Scalable SaaS platforms 🧩 CMS & Website Platforms WordPress | TYPO3 | Sitecore | Wix | Drupal Website development & customization CMS migration & performance optimization 🤖 Data & AI Solutions AI-powered automation Data analytics & insights Process optimization 🎯 What You Get Scalable & reliable systems Reduced manual work through automation Fast response & ongoing support End-to-end execution (build + manage) 🏆 Why Choose Us ✔ 600+ successful projects ✔ 16+ years experience ✔ Strong ecommerce + cloud + automation expertise ✔ Trusted by international clients (US, UK, EU, etc.) ✔ Quick turnaround & long-term support 💬 Let’s Work Together If you need a team that can build, automate, and manage your complete digital ecosystem, we are ready to help. mai puțin -
Angajează pe abusayed2004
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...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. mai puțin -
Angajează pe osmanbsd
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 mai puțin -
Angajează pe MiguelLam
Hi, im Miguel Lam Im actually looking for doing a good job whatever the project is and also learn more on every one. I hope I can help you and deliver a really nice product. Regards.Hi, im Miguel Lam Im actually looking for doing a good job whatever the project is and also learn more on every one. I hope I can help you and deliver a really nice product. Regards. mai puțin -
Angajează pe ramavreddy108
Testare / QA, Testare automatizări, Selenium Webdriver, Atlassian Confluence, Programare orientată pe obiecte (OOP)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. mai puțin -
Angajează pe kaloyan13
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. mai puțin -
Angajează pe jbosseu
Started working as a Java and PHP developer before advancing into servers, cloud and network security. Worked as support executive for multiple webhosting data centers. Worked with cpanel, directadmin, plesk, aws, digital ocean, google cloud servers for over 15 years. I concentrate mostly on single and medium scale...Started working as a Java and PHP developer before advancing into servers, cloud and network security. Worked as support executive for multiple webhosting data centers. Worked with cpanel, directadmin, plesk, aws, digital ocean, google cloud servers for over 15 years. I concentrate mostly on single and medium scale projects, however large scale projects are definitely a part of my goal to be involved with a talented and coordinated team. mai puțin -
Angajează pe vano101
Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one...Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one programming language to another programming language. • writing wrappers around miscellaneous libraries, packages and SDKs, mainly for using it with other programming languages. • consuming HTTP based APIs, (RESTful APIs, etc) • scraping data from web sites, both with and without Selenium Secondary specialization: • developing Linux and cross-platform solutions and utilities. • scripts/utilities to process Excel spreadsheets • Microsoft Office Automation mai puțin -
Angajează pe iosifpeterfi
Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive mai puțin
