Linux System Administrator Security Clearance

Position: Linux System Administrator with Security Clearance
By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army National Guard (ARNG) in Falls Church, VA. This is an IT Service Management contract in support of the operation, modernization, expansion, and further evolution of the ARNG's global Information Technology (IT) services including networking, compute, storage, infrastructure, applications, hosting, and program management services. The GECOS program supports the ARNG enterprise IT infrastructure, its Wide Area Network (WAN), authentication and directory services, cybersecurity, application hosting, and associated services.

GECOS uses ITIL best practices framework as the basis for IT Service Management (ITSM) model. Three (3) days onsite with up to two (2) days telework. Onboarding/transition in period requires on-site support up to 60 days. GECOS work schedules are subject to change on direction by mission requirements.

Position Overview We are seeking an experienced and detail-oriented Linux System Administrator to support a government contract focused on operation and management of multiple LINUX data systems. The successful candidate will be responsible for the installation, configuration, maintenance, and optimization of Linux-based systems. This position will require close collaboration with cross-functional teams, including developers, network engineers, and security personnel, to ensure the systems meet operational, security, and performance standards.

Responsibilities
* Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools.

* Analyzes and resolves problems associated with the operating system, servers, hardware, and applications software.

* Detects, diagnoses, and reports related problems on servers, including system failure analysis and recovery, insuring the consistency and integrity of file systems.

* In-depth hardware configuration knowledge, shell programming expertise, and a solid understanding of standard concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals, performs a variety of tasks, and works under general supervision.

* Responsible for daily monitoring of interface programs between multiple enterprise systems; review daily logs and ensure successful completion.

* Perform incremental and full cold backups/patching.

* Responsible for DoD Linux Security Technical Implementation Guides (STIGs).

* Provide performance metrics and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers.

* Provide general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute. Document and generate business processes for day-to-day and emergency support procedures.

* Install, test, and verify Linux Security patches; coordinating, documenting requirements and timelines, and working closely with service owners.

* Perform systems security administration functions, including creation and maintenance of customer profiles and accounts.

* Responsible for creating and/or maintaining standard operating procedures for the Linux documentation library.

* Implement, configure, update, and maintain Ansible servers and scripts.

* Implement, configure, update, and maintain STIG Manager servers and scripts.

* Implement, configure, update, and maintain the Linux operating system firewall.

* Experience in handling NFS, CIFS, and SMB permissions. Required Experience/Qualifications
* High school diploma or AA. Preferred - Bachelor's degree in information technology, computer science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

* 6+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers

* Must Possess the appropriate baseline certification(s) to achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE) certification (RHEL7 and/or RHEL
8) When 8140 requirements are…