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Linux Support Technician Tier I

IPSecure

Job Location:

San Antonio, TX - USA

Monthly Salary: Not provided by the employer

Posted: 5 November 2026 (14 hours ago)

Application Deadline: 2 February 2027

Vacancies: 1 Vacancy

Job Summary

Linux Support Technician Tier I TS/SCI Clearance Required Port San AntonioSan Antonio TX

Job Description

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 (DoD) mission requirements.

The candidate will be responsible for first-level troubleshooting system monitoring account administration security updates and incident management across enterprise Linux systems. This position requires a strong foundation in Linux administration familiarity with Ubuntu operating systems and the ability to resolve technical issues independently while effectively coordinating more complex issues with senior engineering personnel.

The position will primarily operate from one of our Port San Antonio locations with on-site support at the customers location in the area as mission requirements dictate.

Job Responsibilities

Serve as the primary point of contact for Tier I technical support requests including intake documentation troubleshooting and initial resolution.
Perform incident triage prioritize support requests and track issues to resolution in accordance with established Service Level Agreements (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 established 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.

Basic Qualifications

2 years of hands-on experience administering or supporting Linux operating systems.
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 the ability to work independently or collaboratively within a technical support team.
Must meet 8140 requirements (CompTIA Security)
Ability to acquire a DoD security clearance

Preferred Qualifications

Experience supporting Linux systems within 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.

Ideal Candidate

The ideal candidate is a detail-oriented Linux support professional who demonstrates strong troubleshooting abilities takes initiative and maintains a customer-focused approach. The individual should be comfortable working in a structured enterprise environment following established procedures and developing the technical skills necessary to support increasingly complex Ubuntu Linux systems. Must be able to acquire a DoD security clearance.

Benefits

Medical Dental Vision Unlimited Vacation Sick Leave Paid Federal Holidays Education and Certification Reimbursement Program 401(k) retirement plan with safe harbor employer match after 3 months Prepaid Legal Plan and Identity Protection Plan available Accident Insurance Critical Illness Insurance and Hospital Indemnity Insurance available.

EEOC Statement

IPSecure does not discriminate based on race color religion sex sexual orientation gender identity national origin disability or status as a protected veteran.

Required Experience:

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