Principal Linux Systems Administrator

Allegis Group - Linthicum Heights, MD

Full-time - Mid Level

Linthicum Heights, MD

Administrative and Support Services

About the position

The Principal Linux Systems Administrator will serve as the primary Linux Systems Administrator for a large classified government contract, ensuring the efficient operation of the IT infrastructure. This role requires effective communication with internal and external customers, as well as the ability to analyze and recommend solutions for various IT challenges. The position involves maintaining security protocols, managing user accounts, and providing backup and recovery services, all while adhering to compliance standards.

Responsibilities

• Perform as primary Linux Systems Administrator for a large classified government contract.
• Communicate effectively at all levels of the organization with internal and external customers, in written and verbal format.
• Maintain efficient operations of the entire IT infrastructure including servers, desktop, and networking equipment.
• Support multiple networks and ensure necessary IT administration tasks are completed independently as necessary.
• Analyze internal and external customer requirements and recommend equipment and software requirements for solutions to problems by means of automated systems.
• Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
• Provide backup and recovery services, manage file systems and disk space, and manage virus protection on a routine basis as directed by policy.
• Create and maintain user and computer accounts and modify file permissions as directed by policy.
• Test new releases of products to ensure compatibility and minimize user impact.
• Develop and maintain technical processes and procedures as needed.
• Maintain security audit and logging information on all classified networked and standalone computers as directed by the Cyber Security team.
• Report project status as required for all recurring and non-recurring efforts.

Requirements

• Associate's degree with 7 years of experience, or a Bachelor's degree with 5 years of experience, or a Master's degree with 3 years of experience; a High School diploma or equivalent with 9 years of experience may be considered in lieu of a completed degree.
• Experience operating under and managing systems within current applicable information systems compliance standards.
• Experience maintaining Classified Linux Domains in effective operations.
• Experience installing and managing Redhat Linux in a server environment.
• Understanding of installing RedHat patches.
• Experience installing, configuring, and maintaining computer hardware in a networked environment.
• Experience implementing STIGs (Security Technical Implementation Guides) on Linux systems.
• General Linux troubleshooting.
• End user support.
• Ability to support tier 2 and 3 helpdesk tickets.

Nice-to-haves

• Experience installing, using, and maintaining ASIC monitoring software.
• Experience giving technical presentations to technical and non-technical attendees.
• Experience using Ansible.
• Experience providing surge support to other programs as needed.
• Redhat System Administration certification(s).
• Experience in software integration lab (SIL).
• Solid understanding of Enterprise-level storage concepts to include all commonly-used RAID-levels.
• Solid understanding of remediating security vulnerabilities.
• Identity Management (Single Sign-On) experience.
• Experience with host-based firewall implementations and configuration (Redhat “iptables”).
• Knowledge of OpenShift, Kubernetes, or Docker.
• Knowledge of cluster technology or IBM Spectrum LSF.
• VMware and ESXi (6.x or higher) configuration and management experience.
• Windows 10 administration experience; Windows Server 2012/2016 experience; Group Policies(GPOs) experience; Active Directory management experience.