Linux Support Technician - Tier I

IPSecure•San Antonio, TX

1d•Onsite

About The Position

IPSecure is seeking a motivated and technically proficient Tier I Linux Support Technician to provide operational and technical support for Ubuntu Linux environments supporting Department of Defense mission requirements. The role covers first-level troubleshooting, system monitoring, account administration, security updates, and incident management across enterprise Linux systems. The technician resolves routine issues independently and coordinates more complex issues with senior engineering personnel. The position primarily operates from an IPSecure Port San Antonio location, with on-site support at the customer’s location in the area as mission requirements dictate. The ideal candidate is detail-oriented, customer-focused, takes initiative, and is comfortable following established procedures in a structured enterprise environment while developing skills to support increasingly complex Ubuntu Linux systems.

Requirements

At least 2 years of hands-on experience administering or supporting Linux operating systems.
At least 1 year of experience supporting Ubuntu Linux environments.
Working knowledge of Linux command-line utilities, file systems, permissions, services, and package management.
Familiarity with Ubuntu APT package management, software repositories, and system updates.
Experience troubleshooting Linux operating system issues using logs and command-line diagnostic tools.
Understanding of TCP/IP networking, DNS, SSH, and basic network troubleshooting.
Experience with user account administration, access permissions, and SSH key management.
Familiarity with ticketing systems, incident management, and technical documentation.
Ability to follow established technical procedures, security policies, and operational runbooks.
Strong communication skills and ability to work independently or collaboratively within a technical support team.
Must meet DoD 8140 requirements, including CompTIA Security+.
Ability to acquire a DoD security clearance.

Nice To Haves

Experience supporting Linux systems in DoD or Federal Government environments.
Familiarity with Ubuntu Pro, Livepatch, Landscape, and ESM.
Basic knowledge of Linux security hardening and vulnerability remediation.
Familiarity with DISA Security Technical Implementation Guides (STIGs) and CIS Benchmarks.
Experience with Bash scripting or basic automation.
Familiarity with enterprise virtualization technologies.
Linux+, LPIC-1, or equivalent Linux certification.

Responsibilities

Serve as the primary point of contact for Tier I technical support requests, including intake, documentation, troubleshooting, and initial resolution.
Triage incidents, prioritize support requests, and track issues to resolution in accordance with established SLAs.
Monitor Ubuntu Linux system health, operational availability, and subscription status.
Conduct routine Ubuntu Pro subscription and health checks.
Support registration and verification of Ubuntu systems.
Execute Expanded Security Maintenance (ESM) updates in accordance with approved procedures and runbooks.
Perform user account administration, access management, SSH key management, and basic security configuration.
Troubleshoot common Linux operating system, connectivity, package management, and application issues.
Review system logs, service status, and operational alerts to identify and resolve routine issues.
Maintain accurate support tickets, technical documentation, configuration records, and troubleshooting procedures.
Identify issues requiring advanced engineering support and coordinate escalation to Tier II personnel.
Assist Tier II technicians with patching, system validation, and remediation activities.
Provide hands-on assistance to Field Engineers and Dedicated Support Engineers, including physical system access, hardware readiness, and implementation of approved technical recommendations.
Support monthly operational reporting, including ticket volumes, system changes, patching activities, and outstanding technical issues.