11 of 11 Senior Linux Administrator Jobs

Move Forward with Volt Volt is immediately hiring for a Senior Linux Systems Administrator in Aurora, CO. You will be supporting a client's program in a classified environment as a Linux System Administrator. Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities. You will work closely with program … certification (or higher). IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening Qualifications We Prefer Using and developing with More ❯

Senior Linux AWS Systems Administrator Location: Aurora, CO Required: TS/SCI w/Poly W2 hourly Contract to Hire Only Pay: $60.00 to $80.00/hr. D.O.E. Based on the benefits chosen No C2C, we can NOT work with outside agencies/vendors, and we can NOT do 1099-US TS/SCI w/Poly … IS REQUIRED Geologics is seeking a Software Engineer with a TS/SCI w/Poly and a DoD 8570 IAT Level 2 Certification. Experienced with administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening. Deploying and administration of systems in Amazon … higher) on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening Deployment and administration of systems in Amazon More ❯

Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Multiple locations - the London office is small and you will be the single Linux administrator. Some Windows administration skills are a plus but not strictly necessary. We face our users … to all systems work both on the desktops and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred Strong communication skills A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience scripting in More ❯

SENIOR LINUX SYSTEM ADMINISTRATOR Vicksburg, MS DESCRIPTION Who we Are Known for being a Best Place to Work and a People First company, IronArch Technology is an award-winning Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in providing innovative solutions and world class services to Federal Government clients. Our employees have voted us as a 'Best … growing businesses in the United States. Our Values: People First, Servant Leadership, Deliver and Inspire Excellence, Do the right thing! WHAT YOU'LL DO IronArch Technology is seeking a Senior Linux System Administrator to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi. In support of the Engineering Research … and Development Center (ERDC), the team of administrators provides program management and technical support necessary to advance services, capabilities, infrastructure, and technologies. The Senior Linux System Administrator will perform standard Linux System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of Linux based application and license servers, virtual machines More ❯

Linux Infrastructure Engineer – Hybrid (Central London) | £65,000–£70,000 We are seeking a skilled Linux Infrastructure Engineer to join our team in a hybrid role based in Central London . Key Responsibilities: Deploy, configure, and manage Linux-based servers and services. Enhance and maintain custom system services and OS-level configurations. Manage Kubernetes clusters and containerized … Prometheus, Kibana, Elasticsearch) to monitor system health. Automate system management tasks using Ansible. Participate in an on-call rotation to support global operations. Required Skills & Experience: Strong hands-on Linux (RHEL/CentOS/Rocky) administration, including kernel tuning and system optimization. Production-level experience managing Kubernetes clusters. Proficiency with GitLab for version control and CI/CD workflows. More ❯

Linux Infrastructure Engineer – Hybrid (Central London) | £65,000–£70,000 We are seeking a skilled Linux Infrastructure Engineer to join our team in a hybrid role based in Central London . Key Responsibilities: Deploy, configure, and manage Linux-based servers and services. Enhance and maintain custom system services and OS-level configurations. Manage Kubernetes clusters and containerized … Prometheus, Kibana, Elasticsearch) to monitor system health. Automate system management tasks using Ansible. Participate in an on-call rotation to support global operations. Required Skills & Experience: Strong hands-on Linux (RHEL/CentOS/Rocky) administration, including kernel tuning and system optimization. Production-level experience managing Kubernetes clusters. Proficiency with GitLab for version control and CI/CD workflows. More ❯

Senior Linux Administrator Our client is a technology driven cloud native service provider. They are seeking an experienced Senior Linux Administrator is responsible and accountable for the smooth running of their RedHat orientated technology stack. Essential skills for the Senior Linux Administrator: Manage internal and external information technology and computer systems … including: RHEL/RedHat Linux Servers MySQL, MSSQL and Postgres databases. iSCSI SAN Technologies. Xenserver Clustered virtualized environment. Splunk Logserver. System monitoring. Network configuration and management. Firewall configuration and management. Microsoft AD and Remote Desktop Services (Windows 2019). Experience of scripting (Bash, Korn, C, Shell, etc). Desirable skills: M365/MS Exchange Container based infrastructure (Docker/… Kubernetes). IP Based phone system. Linux certifications Experience of Cloud based environments (AWS) Dell server hardware The day-to-day duties for the Senior Linux Administrator are: Maintain the company's DR infrastructure. Monitoring of key systems to ensure availability and capacity requirements are met. Be responsible for the scheduling and prioritisation of I&O More ❯

Social network you want to login/join with: Senior Linux System Administrator, west london col-narrow-left Client: G.Digital Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: G.Digital are back with one of our favourite partners … in the Tech for good space who are in need of a Senior Linux Wizard to oversee a new exciting project. You’ll be joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried … in abstraction — you’ll be close to the metal, solving real problems with real consequences. What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure More ❯

MS/MA Degree and 10+ years of relevant experience Experience and Skills in the Following: System administration, including system design, configuration, maintenance, and upgrades of Red Hat Enterprise Linux (RHEL) Use of DISA STIG checklists to assess and document compliance Preferred Education, Experience, & Skills: Experience with Virtual Desktop Infrastructure Scripting to automate tasks using PowerShell and/or … AWS Console Familiarity with Virtual Desktops and virtualization (VMware ESXi preferred) Experience in large-scale deployments as an administrator Knowledge of cloud migration and AWS Cloud Platform (IaaS preferred) Load balancing/failover technologies General knowledge of antivirus, vulnerability scanning software, and Security Information and Event Management (SIEM) User acceptance testing (UAT) and industry certifications An active Top Secret More ❯

Seven years of experience in Linux system administration for networks and software systems. • Experience in system backup and recovery, basic software management, security management, and library management; installation and configuration of hardware, operating systems, and COTS software; managing computer systems in various environments; and sizing, performance tuning, hardware/software/network troubleshooting, and resource allocation. • Experience with different More ❯