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Agile Defense · 5 hours ago

System Administrator II

Suitland, MD

Full-time

Onsite

Mid, Senior Level

5+ years exp

Agile Defense is seeking a System Administrator II to manage and support Linux systems within the ONI. The role involves remediation, patching, and upgrading of systems, along with responsibilities such as performance monitoring, security administration, and documentation.

Information ServicesInformation TechnologySoftware

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

Linux administrationSecurity+ certificationAnsible configurationRedHat 7 administrationNetworking configurationVulnerability scanningTroubleshooting skillsDocumentation skillsTeam collaboration