Linux Administrator

United StatesRemotemid

Infrastructure & CloudLinux Administrator

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Quick Summary

Key Responsibilities

Install, configure, administer, and maintain Red Hat Enterprise Linux (RHEL) and other Linux-based servers supporting DLA eBusiness applications. Monitor system health, performance, availability,

Requirements Summary

Minimum 3 years of Linux systems administration experience. Minimum 3 years of Linux shell scripting (BASH) experience. Minimum 1 year of enterprise application administration experience.

Technical Tools

Infrastructure & CloudLinux Administrator

Good people. Dedicated People. Hard-working people.

CompTech is a service-oriented program management and technical company working to build lasting relationships with small and large companies, municipalities, and Government agencies. Headquartered in Dayton, OH, our clients nationwide are provided with services in client-focused practice areas resulting in solutions to organizational challenges.

Responsibilities

~1 min read

→Install, configure, administer, and maintain Red Hat Enterprise Linux (RHEL) and other Linux-based servers supporting DLA eBusiness applications.
→Monitor system health, performance, availability, and security to ensure reliable operation of production environments.
→Perform system patching, upgrades, backups, and routine maintenance activities.
→Troubleshoot Linux operating system, application, network connectivity, and infrastructure issues.
→Administer Linux file systems, directories, permissions, and user access controls.
→Create, modify, troubleshoot, and maintain BASH shell scripts to automate administrative and operational tasks.
→Configure and maintain Linux configuration files, initialization (.ini) files, and application-specific configuration files.
→Support enterprise application administration, including learning and administering IBM Transformation Extender (ITX) application server environments.
→Analyze and troubleshoot Electronic Data Interchange (EDI) processing and translation issues involving MILS, ANSI X12, XML, and related data formats.
→Support application deployments, upgrades, and production releases.
→Work closely with application developers, database administrators, and network engineers to resolve production issues.
→Maintain detailed technical documentation, standard operating procedures (SOPs), and system configurations.
→Assist in disaster recovery planning, system restoration, and business continuity initiatives.
→Participate in system monitoring, incident response, root cause analysis, and continuous process improvement efforts.
→Provide technical leadership, knowledge sharing, and documentation support for team members.

Requirements

~2 min read

Minimum 3 years of Linux systems administration experience.
Minimum 3 years of Linux shell scripting (BASH) experience.
Minimum 1 year of enterprise application administration experience.
Strong experience using the Linux command line and managing Linux file systems.
Experience working with Linux directories, permissions, file management, configuration files, and system utilities.
Experience creating, modifying, debugging, and maintaining shell scripts.
Strong troubleshooting skills involving Linux operating systems, applications, and network connectivity.
Ability to diagnose and resolve production issues in complex enterprise environments.
Strong analytical, problem-solving, and critical thinking skills.
Strong organizational skills with excellent attention to detail and follow-through.
Excellent written and verbal communication skills.
Ability to work independently while collaborating effectively within a technical team.

Preferred Qualifications

Experience administering IBM Transformation Extender (ITX) application servers.
Familiarity with Electronic Data Interchange (EDI) processing.
Experience working with one or more of the following data formats:

MILS
ANSI X12
XML

Experience supporting DoD or Federal Government enterprise environments.
Experience with system monitoring, automation, and operational documentation.
Previous experience serving as a technical lead or mentoring junior administrators.

Preferred Skills

Linux system performance tuning
Enterprise application support
Root cause analysis
Network connectivity troubleshooting
Configuration management
Change management
Incident response
Production operations support
Documentation development
Process improvement

Secret

DoD 8570/8140 IAT Level II certification (e.g., Security+ CE, CySA+, SSCP, or equivalent) prior to start or as required by the contract.

Nice to Have

~1 min read

Red Hat Certified System Administrator (RHCSA)
Red Hat Certified Engineer (RHCE)
Linux+
LPIC-1 or LPIC-2

Bachelor’s degree in information technology, Computer Science, Engineering, or a related discipline.
Four (4) additional years of relevant experience may be substituted for a degree, when applicable.

$105,000 - $115,000 plus full benefits, PTO, 401k+

Equal Employment Opportunity
CompTech is committed to building a diverse and inclusive environment in which we recognize and value each other’s differences as well as fostering a culture that promotes its core values: Commitment, Innovation, and Customer Satisfaction. As an equal opportunity employer, all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, age, disability, or status as a protected veteran. If you require assistance or an accommodation due to a disability, please call Human Resources at (937) 228-2667 or email stefanie.wallace@comptech.com. A CompTech associate will respond to your message as soon as reasonably possible.