{"schemaVersion":"jobsearcher.job.v1","id":"f3af690bbfc8da1f3bb04538","url":"https://jobsearcher.com/jobs/f3af690bbfc8da1f3bb04538","canonicalUrl":"https://jobsearcher.com/jobs/f3af690bbfc8da1f3bb04538","title":"Linux Administrator","description":"Description\n\nSummary:\n\nThis is a Contract to hire position.\n\nThe Associate Principal, Strong at least 10 years Deep Linux administration skills , Linux Administrator is responsible for managing and maintaining enterprise Linux server environments through hands-on daily operational activities. This role ensures the stability, performance, security, and availability of Linux infrastructure across on-premises and cloud environments. The position requires strong operational expertise, a proactive approach to system health, and the ability to work across US day and night shifts to provide continuous 24/7 coverage for critical infrastructure.\n\nPrimary Duties and Responsibilities:\n\nTo perform this job successfully, an individual must be able to perform each primary duty satisfactorily.\n\nMonitor, manage, and maintain enterprise Linux server environments (RHEL, CentOS, Ubuntu, Amazon Linux) on a day-to-day basis across on-premises and cloud infrastructure\nPerform routine system health checks including CPU, memory, disk utilization, and process monitoring across all Linux servers\nRespond to system alerts, service failures, and performance degradation in a timely manner; triage and resolve incidents within defined SLA windows\nManage user accounts, groups, permissions, and SSH key administration across Linux systems\nAdminister cron jobs, scheduled tasks, and system services (systemd, init) to ensure uninterrupted operations\nPerform log analysis and monitoring using tools such as journald, rsyslog, ELK Stack, Splunk, or CloudWatch to identify anomalies and recurring issues\nExecute day-to-day storage operations including LVM management, filesystem extension, NFS mount management, and disk space remediation\nTroubleshoot OS-level issues including boot failures, kernel panics, network connectivity problems, and service disruptions\nCoordinate and execute scheduled maintenance activities including reboots, service restarts, and configuration updates during approved change windows\nApply security patches, kernel updates, and bug fixes to Linux servers in alignment with the enterprise patching schedule using Red Hat Satellite and Ansible Automation Platform (AAP)\nValidate patch deployments in non-production environments prior to production rollouts and perform post-patch validation checks to confirm system stability and service availability\nSupport emergency and zero-day vulnerability patching as directed by the security team\nEnforce CIS benchmark standards and security baselines on Linux systems; remediate non-compliant configurations\nPerform periodic security scans using OpenSCAP, Lynis, or Nessus and document findings for remediation tracking\nActively manage incidents, service requests, and change records using ServiceNow, ensuring timely updates, proper categorization, and SLA compliance\nServe as an escalation point for Tier 1/Tier 2 Linux issues during assigned shift\nParticipate in root cause analysis (RCA) and post-incident reviews for major Linux-related outages\nExecute approved change requests during maintenance windows including patching, configuration changes, and server builds\nMaintain clear and accurate shift handover notes to ensure operational continuity across US day and night shifts\nProvision new Linux servers (physical, virtual, and cloud) following approved build standards and golden image baselines\nConfigure servers post-build including network settings, storage mounts, security hardening, and application-level prerequisites\nSupport AMI (Amazon Machine Image) updates and golden image refreshes for AWS EC2 instances\nExecute Ansible playbooks for configuration management, compliance enforcement, and routine operational tasks\nProactively monitor infrastructure dashboards (CloudWatch & Splunk) and act on alerts\nIdentify performance bottlenecks and work with senior engineers to implement optimizations\nPerform capacity monitoring and report disk, CPU, and memory trends as inputs to capacity planning\nWork assigned US day shift (EST/CST 8 AM – 6 PM)\nAct as the primary Linux operations contact during assigned shift for incident response, change execution, and escalation management\nFollow runbooks and standard operating procedures (SOPs) for all operational activities and maintain shift logs with current server and service status\nCreate and maintain runbooks, SOPs, knowledge base articles, and operational checklists in Confluence\nTrack tasks, incidents, and project work in JIRA with accurate and timely status updates\nCollaborate with network, storage, security, and application teams to resolve cross-functional issues\nParticipate in team meetings, sprint reviews, and operational planning sessions\n\nQualifications:\n\nThe requirements listed are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the primary functions.\n\n10 + years of progressive hands-on experience in Linux/Unix system administration in an enterprise environment\nDemonstrated experience managing Linux servers in production environments at scale\nStrong hands-on experience with Ansible Automation Platform (AAP) including playbook execution and operational automation\nWorking experience with Red Hat Satellite for patch deployment and content lifecycle management\nHands-on experience with AWS Linux EC2 instances including basic instance operations, snapshots, and security group management\nDemonstrated experience implementing and maintaining CIS benchmarks and security baselines across enterprise Linux systems\nExtensive experience with enterprise Linux patching programs including change management, patch validation, and emergency patching procedures\nWorking experience with ITSM platforms such as ServiceNow for incident, problem, and change management\nProficiency with collaboration and project management tools including JIRA and Confluence\n\nExcellent problem-solving abilities and analytical thinking skills\n\nStrong written and verbal communication skills with ability to produce clear shift handover notes and operational documentation\nAbility to multitask and prioritize effectively in a fast-paced operational environment","company":"Ness Digital Engineering","rawCompany":"ness digital engineering","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-19T20:06:41.858Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1299.01","title":"Web Administrators","slug":"web-administrators"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Linux Administrator","description":"Description\n\nSummary:\n\nThis is a Contract to hire position.\n\nThe Associate Principal, Strong at least 10 years Deep Linux administration skills , Linux Administrator is responsible for managing and maintaining enterprise Linux server environments through hands-on daily operational activities. This role ensures the stability, performance, security, and availability of Linux infrastructure across on-premises and cloud environments. The position requires strong operational expertise, a proactive approach to system health, and the ability to work across US day and night shifts to provide continuous 24/7 coverage for critical infrastructure.\n\nPrimary Duties and Responsibilities:\n\nTo perform this job successfully, an individual must be able to perform each primary duty satisfactorily.\n\nMonitor, manage, and maintain enterprise Linux server environments (RHEL, CentOS, Ubuntu, Amazon Linux) on a day-to-day basis across on-premises and cloud infrastructure\nPerform routine system health checks including CPU, memory, disk utilization, and process monitoring across all Linux servers\nRespond to system alerts, service failures, and performance degradation in a timely manner; triage and resolve incidents within defined SLA windows\nManage user accounts, groups, permissions, and SSH key administration across Linux systems\nAdminister cron jobs, scheduled tasks, and system services (systemd, init) to ensure uninterrupted operations\nPerform log analysis and monitoring using tools such as journald, rsyslog, ELK Stack, Splunk, or CloudWatch to identify anomalies and recurring issues\nExecute day-to-day storage operations including LVM management, filesystem extension, NFS mount management, and disk space remediation\nTroubleshoot OS-level issues including boot failures, kernel panics, network connectivity problems, and service disruptions\nCoordinate and execute scheduled maintenance activities including reboots, service restarts, and configuration updates during approved change windows\nApply security patches, kernel updates, and bug fixes to Linux servers in alignment with the enterprise patching schedule using Red Hat Satellite and Ansible Automation Platform (AAP)\nValidate patch deployments in non-production environments prior to production rollouts and perform post-patch validation checks to confirm system stability and service availability\nSupport emergency and zero-day vulnerability patching as directed by the security team\nEnforce CIS benchmark standards and security baselines on Linux systems; remediate non-compliant configurations\nPerform periodic security scans using OpenSCAP, Lynis, or Nessus and document findings for remediation tracking\nActively manage incidents, service requests, and change records using ServiceNow, ensuring timely updates, proper categorization, and SLA compliance\nServe as an escalation point for Tier 1/Tier 2 Linux issues during assigned shift\nParticipate in root cause analysis (RCA) and post-incident reviews for major Linux-related outages\nExecute approved change requests during maintenance windows including patching, configuration changes, and server builds\nMaintain clear and accurate shift handover notes to ensure operational continuity across US day and night shifts\nProvision new Linux servers (physical, virtual, and cloud) following approved build standards and golden image baselines\nConfigure servers post-build including network settings, storage mounts, security hardening, and application-level prerequisites\nSupport AMI (Amazon Machine Image) updates and golden image refreshes for AWS EC2 instances\nExecute Ansible playbooks for configuration management, compliance enforcement, and routine operational tasks\nProactively monitor infrastructure dashboards (CloudWatch & Splunk) and act on alerts\nIdentify performance bottlenecks and work with senior engineers to implement optimizations\nPerform capacity monitoring and report disk, CPU, and memory trends as inputs to capacity planning\nWork assigned US day shift (EST/CST 8 AM – 6 PM)\nAct as the primary Linux operations contact during assigned shift for incident response, change execution, and escalation management\nFollow runbooks and standard operating procedures (SOPs) for all operational activities and maintain shift logs with current server and service status\nCreate and maintain runbooks, SOPs, knowledge base articles, and operational checklists in Confluence\nTrack tasks, incidents, and project work in JIRA with accurate and timely status updates\nCollaborate with network, storage, security, and application teams to resolve cross-functional issues\nParticipate in team meetings, sprint reviews, and operational planning sessions\n\nQualifications:\n\nThe requirements listed are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the primary functions.\n\n10 + years of progressive hands-on experience in Linux/Unix system administration in an enterprise environment\nDemonstrated experience managing Linux servers in production environments at scale\nStrong hands-on experience with Ansible Automation Platform (AAP) including playbook execution and operational automation\nWorking experience with Red Hat Satellite for patch deployment and content lifecycle management\nHands-on experience with AWS Linux EC2 instances including basic instance operations, snapshots, and security group management\nDemonstrated experience implementing and maintaining CIS benchmarks and security baselines across enterprise Linux systems\nExtensive experience with enterprise Linux patching programs including change management, patch validation, and emergency patching procedures\nWorking experience with ITSM platforms such as ServiceNow for incident, problem, and change management\nProficiency with collaboration and project management tools including JIRA and Confluence\n\nExcellent problem-solving abilities and analytical thinking skills\n\nStrong written and verbal communication skills with ability to produce clear shift handover notes and operational documentation\nAbility to multitask and prioritize effectively in a fast-paced operational environment","datePosted":"2026-08-19T20:06:41.858Z","dateModified":"2026-08-19T20:06:41.858Z","hiringOrganization":{"@type":"Organization","name":"Ness Digital Engineering","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"f3af690bbfc8da1f3bb04538"},"url":"https://jobsearcher.com/jobs/f3af690bbfc8da1f3bb04538"}}