Linux Systems Administrator

Marker Group Inc; Houston (TX); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) with company match

Paid time off & sick time

Job summary

Marker Group Inc. on-site Linux Systems Administrator position to manage, secure, maintain, and improve our on-premises Linux servers and virtualized infrastructure.

Primary focus is Linux administration, virtualization, networking, and infrastructure security, with additional responsibility for Windows server support. The ideal candidate combines strong technical expertise with independent problem-solving, hands-on troubleshooting in a fast-paced environment, and the ability to lead IT projects

Qualifications

• 3+ years of experience in Linux system administration and automation.
• Proficiency with Ansible, Python, and shell scripting.

Responsibilities

• Design, implement, and maintain large-scale Linux-based environments.
• Automate system configuration and deployment using Ansible and scripting tools.
• Optimize system performance and reliability through OS and database tuning.
• Troubleshoot and resolve complex issues across the software stack.
• Support system testing including Factory and Site Acceptance Tests.
• Collaborate with cross-functional teams to deliver high-impact solutions.
• Contribute to continuous improvement of system processes and automation.
• Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines

Skills

Linux administration

Automation

Troubleshooting

Communication

Collaboration

Tools

Ansible

Python

Shell scripting

PostgreSQL

Job description

Description

The Marker Group is seeking an on-site Linux Systems Administrator to manage, secure, maintain, and improve our on-premises Linux server and virtualized infrastructure. The primary focus is Linux administration, virtualization, networking, and infrastructure security, with additional responsibility for Windows server support and escalated technology issues.

This role will contribute to and lead major IT projects, improve system reliability and implement infrastructure solutions that enhance business operations. The ideal candidate combines strong technical expertise with independent problem-solving, sound judgment, and the ability to troubleshoot complex systems in a fast-paced environment.

Requirements

Where you’ll make a difference

• Design, implement, and maintain large-scale Linux-based environments
• Automate system configuration and deployment using Ansible and scripting tools
• Optimize system performance and reliability through OS and database tuning
• Troubleshoot and resolve complex issues across the software stack
• Support system testing including Factory and Site Acceptance Tests
• Collaborate with cross-functional teams to deliver high-impact solutions
• Contribute to continuous improvement of system processes and automation
• Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines

Core Skills & Experience

• 3+ years of experience in Linux system administration and automation
• Proficiency with Ansible, Python, and shell scripting
• Experience with Postgres databases and enterprise software environments
• Strong troubleshooting and problem-solving skills
• Excellent communication and collaboration abilities and experience working in office setting

Benefits and Employment Requirements

The Marker Group offers health, dental, and vision insurance, a 401(k) with company match, paid time off, and sick time.

This is an on-site position requiring hands‑on support of physical infrastructure and office technology. Some overtime may be required. Applicants must be authorized to work in the United States without current or future employment‑based visa sponsorship. The Marker Group does not sponsor employment‑based visas for this position.

The statements contained in this job description reflect general details as necessary to describe the principal functions of this job, the level of knowledge and skill typically required, and the scope of responsibility. It should not be considered an all-inclusive listing of work requirements. Individuals may perform other duties as assigned, including work in other functional areas to cover absences or relief, to equalize peak work periods, or otherwise to balance the workload.

The Marker Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status or other characteristics protected by law.