Production Linux Systems Engineer - Security & Stability

GCS Recruitment; Centennial (CO); On-site; USD 83,000 - 138,000; Full time

Job summary

GCS Recruitment is seeking a Linux Systems Engineer to support a mission-critical production infrastructure in Centennial, CO. The role focuses on Linux server patching, cybersecurity remediation, system maintenance, and operational support within a high-availability environment.

The candidate will patch and maintain production Linux servers, remediate vulnerabilities, troubleshoot issues, and collaborate with engineering teams to improve security while documenting remediation efforts and

Qualifications

• 4-7 years of experience in Linux Systems Administration, Infrastructure Support, DevOps, or Production Operations.
• Hands-on experience patching and maintaining production Linux servers.
• Experience identifying and remediating cybersecurity vulnerabilities.
• Strong troubleshooting skills across Linux systems and networking environments.
• Experience with change management processes in critical production environments.
• Experience with Rocky Linux, CentOS, or RHEL.
• AWS / EC2 exposure.
• Scripting with Bash or Python.
• Monitoring tools: Grafana, Splunk, Dynatrace.
• Experience in media, streaming, or high-availability environments.

Responsibilities

• Perform Linux server patching, upgrades, and maintenance activities.
• Review and remediate cybersecurity vulnerabilities across production systems.
• Conduct controlled server reboots and post-maintenance validation testing.
• Troubleshoot Linux operating systems, applications, and network connectivity issues.
• Coordinate maintenance activities and system recovery procedures.
• Maintain accurate documentation of remediation efforts and operational changes.
• Support occasional Windows server patching and vendor software updates.
• Collaborate with engineering teams to reduce vulnerability backlogs and improve system security.

Skills

Linux Systems Administration

Patch Management

Cybersecurity Remediation

Troubleshooting

Documentation

Change Management

Windows Patch Management

Tools

Grafana

Splunk

Dynatrace

Job description

Role- Linux Systems Engineer

Location: Centennial, CO

Job Type: Contract
Contract Duration: 12+ months

About the Role

We are seeking a Linux Systems Engineer to support a mission-critical production infrastructure environment. This role focuses on Linux server patching, cybersecurity vulnerability remediation, system maintenance, and operational support within a complex, high-availability environment.

This is an excellent opportunity for a hands-on infrastructure professional who enjoys working directly on production systems, performing remediation activities, troubleshooting issues, and ensuring the stability and security of critical services.

Key Responsibilities

• Perform Linux server patching, upgrades, and maintenance activities.
• Review and remediate cybersecurity vulnerabilities across production systems.
• Conduct controlled server reboots and post-maintenance validation testing.
• Troubleshoot Linux operating systems, applications, and network connectivity issues.
• Coordinate maintenance activities and system recovery procedures.
• Maintain accurate documentation of remediation efforts and operational changes.
• Support occasional Windows server patching and vendor software updates.
• Collaborate with engineering teams to reduce vulnerability backlogs and improve system security.

Required Experience

• 4-7 years of experience in Linux Systems Administration, Infrastructure Support, DevOps, or Production Operations.
• Hands-on experience patching and maintaining production Linux servers.
• Experience identifying and remediating cybersecurity vulnerabilities.
• Strong troubleshooting skills across Linux systems and networking environments.
• Experience working within critical production environments with change management processes.
• Strong communication and documentation skills.

Preferred Qualifications

• Experience with Rocky Linux, CentOS, or RHEL.
• AWS / EC2 exposure.
• Bash, Python, or other scripting experience.
• Experience with Grafana, Splunk, Dynatrace, or similar monitoring tools.
• Background supporting media, streaming, broadcast, or other high-availability environments.

GCS is acting as an Employment Business in relation to this vacancy.