Find the best Linux System Administrator jobs

We are seeking a skilled and proactive Server Manager with expertise in cPanel to oversee and maintain our web hosting infrastructure. The ideal candidate will ensure optimal server performance, security, and reliability for our clients. Responsibilities: Manage and configure cPanel/WHM servers, including account setup, DNS management, and backups. Monitor server performance, uptime, and resource usage, addressing issues promptly. Implement and maintain robust server security measures, including firewalls, SSL certificates, and malware detection. Provide technical support and resolve server-related issues for clients and internal teams. Perform regular updates, patches, and software installations to ensure server compliance and efficiency. Optimize server settings for performance and scalability. Maintain documentation of server configurations and procedures. Requirements: Proven experience managing cPanel/WHM servers in a hosting or IT environment. Strong knowledge of Linux server administration (CentOS, CloudLinux, or similar). Familiarity with server security best practices and troubleshooting. Experience with server migrations and data management. Excellent problem-solving and communication skills.

We are seeking a skilled freelancer to assist with debugging our ERPGo system. The ideal candidate will have a strong background in ERP solutions and problem-solving skills to identify and resolve issues efficiently. You will work closely with our team to analyze problems, implement fixes, and provide recommendations for improvement. If you're passionate about enhancing system performance and user experience, we want to hear from you. Please apply with your relevant experience and examples of past work in ERP systems.

We are seeking a skilled freelancer to assist with restarting the Litespeed server on our CyberPanel hosting environment. The ideal candidate should have experience in server management and a solid understanding of Litespeed and CyberPanel functionalities. Your task will involve diagnosing and executing the restart process while ensuring minimal downtime and maintaining service integrity. If you have a knack for troubleshooting and optimizing server performance, we want to hear from you!

We require another experienced Server Admin to help support, design, document server related issues and at times implement networking solutions, with various resources, that has experience with; • Ubuntu Environment • Synology Environments • Firewalls, Routers, Switches • Vlans & Networking Design and Implementation Conditions • Native English Preferred • Compliance knowledge and experience preferred • Readily Available • Good Honest Work Ethic To Apply Please supply a speedtest.net result

We are seeking an experienced NestJS developer to provide ongoing maintenance and support for our existing server infrastructure. The ideal candidate will have a strong understanding of NestJS and experience in troubleshooting, optimizing performance, and implementing security best practices. Responsibilities include monitoring server health, performing regular updates, and resolving any issues that arise. If you are proactive, detail-oriented, and passionate about backend development, we would love to hear from you.

We need a peer-to-peer solution. Our software runs inside a docker container. So we need a peer-to-peer solution that can work from within docker. We are seeking a peer-to-peer expert to build a solution for us. The ideal candidate will have extensive experience working with Docker and a solid understanding of peer-to-peer architecture. Our code base is python. If you have a proven track record in handling similar issues, we would love to hear from you. Please include relevant experience in your proposal.

Job Description: Linux and Virtualization Expert Position: Linux and Virtualization Expert Experience: 5+ years in similar positions Location: remote/on site Job Type: Full-Time About the Role: We are seeking a highly skilled Linux and Virtualization Expert to join our team. The ideal candidate will have extensive experience in configuring and managing Linux-based environments, including VPN servers like Strongswan (or other alternatives), LDAP user management, and **virtualization technologies (containers such as Docker and virtual machines). You will play a key role in managing and securing our infrastructure, optimizing performance, and ensuring smooth integration of VPNs, user management systems, and virtualized environments. Key Responsibilities: - VPN Server Installation and Configuration: - Install, configure, and maintain Linux-based VPN servers (e.g., Strongswan, OpenVPN, etc.). - Troubleshoot VPN connectivity issues, ensuring secure and reliable connections. - Implement and manage secure tunneling protocols and user access policies. - LDAP User Management: - Configure and manage LDAP (Lightweight Directory Access Protocol) for centralized user authentication and access control. - Integrate LDAP with Linux systems and VPN solutions for streamlined user management and security. - Ensure secure and efficient management of users, groups, and permissions. - Virtualization Management: - Install and manage virtualization platforms, including Docker containers and virtual machine environments (e.g., KVM, **Xen, **VMware, **VirtualBox). - Build, configure, and maintain virtualized environments, optimizing resource utilization and performance. - Automate deployment and scaling of containerized applications. - System Security and Maintenance: - Implement and manage system security, including firewalls, VPN, SELinux, and user access policies. - Regularly update and patch Linux systems to mitigate vulnerabilities and improve system performance. - Monitor and optimize system performance, troubleshoot issues, and ensure uptime and availability. - Documentation and Reporting: - Document system configurations, VPN setups, container/VM environments, and troubleshooting procedures. - Prepare and maintain reports on system performance, security updates, and incident resolutions. - Provide training and technical support to internal teams as required. Qualifications: - *Education: * Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent work experience). - Experience: Minimum 5 years of hands-on experience in managing Linux systems, VPN setups, LDAP user management, and virtualization (VMs and containers). - Technical Skills: - Strong knowledge of Linux distributions (e.g., Ubuntu, CentOS, RHEL). - Expertise in setting up and managing VPN servers (e.g., Strongswan, OpenVPN). - Experience with LDAP user authentication and management. - Proficient in virtualization technologies, particularly Docker and VM-based environments. - Familiarity with networking protocols and security practices. - Experience in automation and scripting (e.g., Shell, Python, Ansible). - Knowledge of firewalling and VPN security protocols. - Certifications (Preferred): - Red Hat Certified Engineer (RHCE), Linux Foundation Certified Engineer (LFCE), or similar certifications. - Docker Certified Associate or similar containerization certification. Soft Skills: - Strong problem-solving abilities and troubleshooting skills. - Excellent communication and teamwork skills. - Ability to work under pressure and handle critical issues effectively. #### Why Join Us? - Opportunity to work with cutting-edge technology and a talented team. - Competitive salary and benefits package. - Career growth and professional development opportunities. If you are a proactive, highly skilled Linux and Virtualization expert with a passion for innovation and security, we would love to hear from you!

Tasks are be able guide and train us through CLI setup of Asterisk (most prep work done), enabling voicemail, messaging, video, IVR between 2 SIP clients and server on internal network. Then move onto discussion of best practices for hardening. Excellent verbal English skills and knowledge as you will be talking and training sysadmin, teaching and guiding to setup. Must be on European timeline. Kindly Quote Asterisk22 at start of any message, anything without will be treated as a Bot and ignored. 20% on award, 80% on completion. Hopefully starting/completing Monday 9th December. Screen will be shared, you will guide and discuss. 2hrs Min, 3hrs Max. System must be able to support required tasks by end of session to complete.

Good Day, I have a Webserver with NGINX and PHP 8. 3 Wordpress Websites. It is crashing every evening. I would like to optimise for Speed / Caching. Do you think its an option to have NGINX on the front as reverse proxy and then install APACHE behind it ? 1 Website is very dynamic with alot of mysql queries and the other 2 are Wordpress with WooCommerce . Not sure if Varnish or Redis will help but last time it made it worse. Thanks

We are seeking a skilled freelancer to assist in the installation of ThingsBoard and set up default dashboards. Additionally, the freelancer will be responsible for configuring a minimum of 10 devices within the platform. The ideal candidate should have experience with ThingsBoard and IoT device integration. This project is essential for our smart solution deployment and requires attention to detail and technical know-how. **Relevant Skills:** - ThingsBoard installation and configuration - IoT device integration - Dashboard setup - Troubleshooting and support - Knowledge of MQTT/HTTP protocols