Senior Linux/UNIX System Administrator

Globenet Consulting Corp; Bellevue (WA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Opportunity for advancement

Training & development

Job summary

The AES Group is seeking a Senior Linux/UNIX System Administrator to manage and enhance Linux/UNIX environments. This role emphasizes reliability, security, and automation, with responsibilities spanning performance tuning, disaster recovery, and modernization initiatives.

You will mentor junior staff, participate in migrations and cloud integrations, and help maintain documentation and procedures across the infrastructure stack.

Qualifications

• Five or more years of Linux/UNIX system administration experience.
• Active Top Secret security clearance.
• Security+ certification.
• IAT Level II certification or compliance.
• Oracle Solaris Certified Associate and/or RHCSA/RHCE certifications.
• Strong experience with RHEL 7.x, Solaris, and related Linux variants.
• Experience with migrations, virtualization, backup/recovery, and performance troubleshooting.
• Strong shell scripting and automation skills.

Responsibilities

• Administer Red Hat Linux, Solaris, and other UNIX systems.
• Monitor performance, capacity, storage, and availability.
• Implement space management, scalability, and HA solutions.
• Support migrations, cloud integrations, and platform upgrades.
• Develop and maintain backup, recovery, and DR procedures.
• Troubleshoot complex issues and perform root-cause analysis.
• Create scripts and automation tools for admin tasks.
• Maintain security configurations and apply updates/patches.
• Support hardware refresh and infrastructure replacement plans.
• Provide guidance and training to junior admins.
• Maintain comprehensive system documentation and procedures.

Skills

Linux/UNIX administration

RHCE/RHCSA

Solaris

Shell scripting

Cloud integration

Virtualization

Automation

Education

RHCSA/RHCE certifications

Oracle Solaris Certified Associate

Tools

Docker

Kubernetes

Backup & recovery tooling

Job description

Benefits:

• Competitive salary
• Opportunity for advancement
• Training & development

Role: Senior Linux/UNIX System Administrator

Location: Brevard County, FL 32925

Let’s Create Our Future Together at The AES Group!

Position Overview

The Senior Linux/UNIX System Administrator will manage and maintain Linux and UNIX environments, ensuring performance, availability, security, and reliability. This role includes proactive system maintenance, resource management, troubleshooting, automation, system migrations, cloud integration, and disaster recovery. The administrator will also mentor junior team members and support infrastructure modernization initiatives.

Key Responsibilities

• Administer Red Hat Linux, Solaris, and other Linux/UNIX operating systems.
• Monitor system performance, capacity, storage utilization, and availability.
• Perform proactive space management and implement scalability and high-availability solutions.
• Support physical-to-virtual migrations, cloud integrations, and platform upgrades.
• Develop and maintain backup, recovery, and disaster recovery procedures.
• Troubleshoot complex system and application issues and perform root cause analysis.
• Create and document shell scripts and automation tools for administrative tasks.
• Maintain system security configurations and apply required updates and patches.
• Assist with infrastructure replacement plans and hardware refresh cycles.
• Provide technical guidance and training to junior administrators.
• Maintain system documentation, procedures, configurations, and operational records.

Required Qualifications

• Five or more years of Linux/UNIX system administration experience.
• Active Top Secret security clearance.
• Security+ certification.
• IAT Level II certification or compliance.
• Oracle Solaris Certified Associate and/or Red Hat Certified System Administrator certification.
• Strong experience with Red Hat Enterprise Linux 7.x, Solaris, and other Linux variants.
• Experience with system migrations, virtualization, backup, recovery, and performance troubleshooting.
• Strong shell scripting and system automation skills.

Preferred Qualifications

• Red Hat Certified Engineer certification.
• CompTIA Linux+ certification.
• Red Hat Automation with Ansible.
• Red Hat System Administration I, II, or III.
• Red Hat Satellite Administration.
• Red Hat Enterprise Virtualization.
• Oracle Solaris 11 Systems Administration I, II, or III.
• Oracle Solaris 11 Logical Domains and Zones.
• Solaris ZFS administration, security administration, and performance tuning.
• Oracle Solaris Essentials and shell scripting experience.
• Experience with Docker, Kubernetes, or other containerization technologies.