Linux Systems Administrator

MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join our team working in Crane, IN. This is a hybrid position requiring 3 days onsite per week.

Responsibilities include but are not limited to:

• Provide support for the virtualization of Linux based virtual machines.

• Patch and STIG Linux Operating to ensure compliance with DoD Information Assurance standards.

• Provide troubleshooting support for Linux/Windows Operating Systems.

• Perform system updates and server configurations, including upgrades of the Operating System.

• Implement changes to locally hosted workstations/servers. Support virtual and physical networking configurations.

• Provide hardware, software, and network troubleshooting.

• Provide support for the administration of multiple VMWare ESXi environments across the RDT&E enterprise.

• Provide support the virtualization of Linux based virtual machines.

Minimum Qualifications:

• High School diploma or equivalent education

• 7+ years of experience in IT

• 2+ years of experience as a Systems Administrator working with Linux

• Must possess a CASP+, CISSP, or equivalent DoD 8570.01 / 8140 IAT Level III certification, or successfully obtain it within 30 days of offer acceptance and prior to beginning employment. Start date is contingent upon verification

• Experience with virtual and physical networking configuration

• Experience troubleshooting hardware, software, and networks

• Experience working with DISA STIG guidance and RMF requirements

Preferred Qualifications:

• RedHat 7, or higher, Enterprise administration, including workstation and server

• RedHat 8/Ubuntu22, or higher, Enterprise administration, including workstation and server

• Familiar with High Performance Computing (HPC) and Load Balancing for various applications

Clearance Requirements:

• Must have the ability to obtain and maintain an active US Government Secret Security Clearance

• Uncleared candidates will be required to obtain an interim secret security clearance to start

Physical Requirements:

• The person in this position must be able to remain in a stationary position 80% of the time.

• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. Must be able to exchange accurate information in these situations.