Senior Linux Systems Administrator (Security+)

Columbia Technology Partners, Inc; Annapolis (MD); In loco; USD 80.000 - 110.000; Tempo pieno

Vantaggi offerti da questo lavoro

Medical plans

Vision & Dental coverage

401k retirement plan

Paid time off

Career growth stipend

Life and AD&D insurance

Profit sharing bonus

Referral program

Descrizione del lavoro

Columbia Technology Partners, Inc. is seeking a System Administrator to support Linux-based environments across classified and unclassified systems.

The role covers virtualization, storage, identity, networking, and security, with responsibilities spanning system administration, vulnerability remediation, and documentation. The ideal candidate has 5+ years of experience, strong scripting skills, and active Security+ certification.

Competenze

• Minimum of 5 years of professional System Administrator experience; Linux-based environments.
• Strong Linux troubleshooting skills across virtualization, storage, identity, and network infrastructure.
• Intermediate knowledge of Cisco network administration and troubleshooting.
• Advanced scripting to modify and develop automation or admin scripts.
• Strong documentation and communication skills for configurations and procedures.
• Active CompTIA Security+ certification.

Mansioni

• Administer Oracle Linux 8/9/10 systems, including installation, patching, and troubleshooting.
• Manage unclassified user VMs with OLVM.
• Maintain ZS11-2 shared storage for classified/unclassified environments.
• Support FreeIPA identity management and DNS services.
• Configure and troubleshoot Cisco IOS-XE network devices with network teams.
• Assess CVEs, track remediation, and support IAVM management.
• Develop and maintain automation scripts for admin tasks.
• Document system configurations, procedures, incidents, and changes.
• Own system and network reliability to minimize downtime.

Conoscenze

Linux troubleshooting

Cisco network administration

Scripting/Automation

Documentation & communication

Security+ certification

Strumenti

OLVM

Oracle Linux

ZFS Storage Appliance

FreeIPA

Cisco IOS-XE

Oracle Linux 8/9/10

NetApp

Dell EMC

VMware

Descrizione del lavoro

Columbia Technology Partners, Inc. is seeking a System Administrator to support Linux-based environments across classified and unclassified systems.

The role covers virtualization, storage, identity, networking, and security, with responsibilities spanning system administration, vulnerability remediation, and documentation. The ideal candidate has 5+ years of experience, strong scripting skills, and active Security+ certification.