Applications Administrator for Linux

Description

Job Summary: The Applications Administrator for Linux will serve as a Subject Matter Expert (SME) responsible for the complete lifecycle management of Government and Commercial Off-the-Shelf (GOTS/COTS) applications, with a focus on those hosted on the Red Hat Enterprise Linux platform. This role is critical for ensuring the stability, performance, and security of the Agency’s mission-essential applications .

Core Responsibilities:

• Perform comprehensive application administration for Linux/Unix hosted applications, including installation, testing, deployment, debugging, patching, event logging, and updates for software like Tomcat application server.
• Serve as the SME for all supported applications, troubleshooting application concerns, responding to user inquiries, and providing expert technical support and guidance to Agency users and IT managers.
• Configure user access, monitor system stability and security, and manage and sustain application-side operations to support the Agency’s business-critical and development activities.
• Perform routine application maintenance, review error logs to identify and resolve reported errors, and coordinate with infrastructure teams (network, system, and database administrators) to support application server environments.
• Support application and website monitoring during core business hours and provide on-call support for mission-critical incidents at all other times, responding to production outages and performing root cause analysis.
• Coordinate and support all software upgrades, disaster recovery tests, and the implementation of new technologies for applications and systems related to these tasks.
• Support incident management by applying ITIL best practices to restore normal operations, minimize business impact, and prevent future outages.
• Assist with setting up external connections, managing whitelisting activities, and validating port and protocol requests as needed for application support.

Requirements

• Must have Government IT Contracting experience.
• Must have either:
• A minimum bachelor’s degree in a relevant field or
• A Red Hat Linux Certified System Administrator certification.
• Requires 5 years of experience in of current experience in the field.
• Preferred: Red Hat Linux Certified System Administrator certification