Linux Systems Administrator (3rd shift)

22nd Century Technologies, Inc.

Montgomery, United States

2 months ago

Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Experienced

Experience required

4 years minimum

Working hours

Shift work

Job source

clearancejobs.com

Tech stack

Bash Shell CentOS CompTIA Security+ Computer Networks Dynamic Host Configuration Protocol Linux File Systems Domain Name System (DNS) Monitoring of Systems Python (Programming Language) Linux System Administration Routing

+9 more

Performance Tuning Red Hat Enterprise Linux Ansible TCP/IP Oracle Linux Software Vulnerability Management Firewalls (Computer Science) SC Clearance Patch Management

Job description

We are seeking an experienced Linux Systems Administrator to support mission-critical infrastructure and enterprise services for DISA. The ideal candidate will have a strong background in Linux administration, systems maintenance, troubleshooting, automation, security compliance, and enterprise operations within a DoD environment. This position requires an active Secret clearance and Security+ certification.

Requirements

Minimum 4 years of hands-on Linux Systems Administration experience Active DoD Secret Security Clearance Current CompTIA Security+ certification (IAT Level II compliant) Experience administering enterprise Linux environments such as: Red Hat Enterprise Linux (RHEL) Rocky Linux CentOS Oracle Linux Strong understanding of: Linux operating systems and kernel fundamentals User, group, and permission management File systems, storage, and volume management Networking concepts (TCP/IP, DNS, DHCP, routing, firewalls) System monitoring and performance tuning Experience with scripting and automation using: Bash Python Ansible Familiarity with STIG implementation and compliance requirements Experience with patch management, vulnerability remediation, and system hardening Ability to troubleshoot complex system and application issues