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Sr. Linux​/Unix Administrator Security Clearance

Job in Omaha, Douglas County, Nebraska, 68101, USA
Listing for: Anonymous Employer
Full Time position
Listed on 2026-01-14
Job specializations:
  • IT/Tech
    Unix/Linux, IT Support, Systems Administrator, Cybersecurity
Job Description & How to Apply Below
Position: Sr. Linux/Unix Administrator with Security Clearance
Duties & Responsibilities:

· Perform system administration for enterprise Linux/Unix OS solutions.

· Install, configure, and maintain Linux/Unix OS operating systems.

· Analyze and resolve problems associated with the operating system's servers, hardware, applications, and software.

· Monitor system performance and ensure compliance with security standards.

· Monitor everyday systems, evaluates availability of all server resources, and performs all activities for Linux servers.

· Assist with configuring and deploying all virtual machines and install and provide backup to all configuration procedures.

· Maintain and monitor all patch releases, designs various patch installation strategies, and maintains all systems according to program standards.

· Provide Tier 2 and 3 troubleshooting support, interfacing with the end users and other technical teams from a service support perspective.

Required Qualifications:

· Top Secret security clearance and eligible for SCI access

· Cloud+ or GICSP or SSCP or Security+ or GSEC certification

· At least 8 years experience in installing, configuring, and maintaining Linux/Unix OS operating systems
· Ability to work both independently and in a team environment with customer and staff

· Good verbal and written communication skills. Desired qualifications:

· One of the following certifications: ITIL 4 Foundations;
Red Hat Certified Systems Administrator; or Linux Professional Institute Certification Linux Administrator; or CompTIA Linux+; or Oracle Certified Professional Oracle Linux System Administrator; or Red Hat Certified Engineer; or Oracle Certified Professional Solaris System Administrator; or Red Hat Certified Specialist in Ansible Automation
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