Linux System Administrator

Boston Associate Software Systems - Baltimore, MD

Full-time

Baltimore, MD

About the position

The Ansible Automation & Red Hat Linux System Administrator is responsible for managing and maintaining Linux server infrastructures, developing Ansible playbooks, and collaborating with the cyber security engineering team to deploy solutions in a distributed data center environment. This role requires strong analytical and problem-solving skills, as well as the ability to communicate effectively with both technical and non-technical audiences.

Responsibilities

• Develop Ansible playbooks and modules.
• Work collaboratively with the cyber security engineering team to create and deploy Ansible solutions for a distributed data center infrastructure environment.
• Administer Ansible infrastructure, perform maintenance and configuration, and provide SME level support.
• Troubleshoot and resolve issues in dev, test, and production environments.
• Update system and process documentation and user guides as needed, including diagrams and SOPs.
• Design database tables and structures.
• Create views, stored procedures, and functions in SQL.
• Design and maintain the 24x7 Linux server infrastructures that support mission-critical web-based applications.
• Maintain the Red Hat Linux Servers and secure them according to Policy Compliance Management requirements.
• Manage and work in a Red Hat Linux operating system and services.
• Install, configure, and tune RedHat 6 and RedHat 7 virtual servers.
• Configure and maintain Red Hat Satellite System Management Platform.
• Troubleshoot and resolve Linux Operating System-based issues from performance to configuration.
• Backup and protect Linux environments using platform-specific tools.
• Perform daily system checks, review and respond to events reflected in various management tools, and perform server patch management.
• Notify Government representatives of issues involving performance of the operating environment.
• Share technical best practices and serve as a point of contact for any major incidents, managing customer expectations and communications to resolution.
• Conduct system audit reviews and perform maintenance functions as required to ensure system health.
• Write and debug bash and korn shell scripts to assist in server management.
• Work with the team and application sponsors to resolve issues that arise in the daily administration of the Linux environment.
• Support, implement, and maintain new applications coming into the environment.
• Present status information on issues and problems at weekly team meetings.
• Document software changes and problem resolution steps.

Requirements

• Bachelor's degree and 6 years of relative experience, Master's degree and 4 years of relative experience, or 10 years of relative experience in an IT field in lieu of a degree.
• Minimum of 4 years experience with Ansible Core and Ansible Tower.
• Minimum of 2 years strong experience coding and scripting (PowerShell, Bash, Batch files, etc.).
• 4 years strong experience with RHEL 6, RHEL 7 System Administration.
• Strong knowledge of Source Code Control Systems (Git).
• 4 years RedHat Enterprise Linux v6.x/7.x Operating System experience (Installation and upgrade of the operating system).
• 2 years WebSphere, ColdFusion and Apache Application Server platforms for both configuration and troubleshooting of hosted applications experience.
• 2 years of experience setting up and maintaining Red Hat Satellite System Management Platform.
• 2 years PERL and Python scripting.
• 1 year XML.
• 1 year of commonly used Linux tools such as JIRA, Confluence, BitBucket.
• Must be able to obtain a Public Trust clearance.

Nice-to-haves

• Experience with version control (CVS, Subversion, Git, etc.).
• Strong background in VMWare administration.
• Knowledge of VMWare Integrated Openstack or Openstack.
• Demonstrate knowledge in Red Hat Cloud Computing discipline such as RedHat CloudForms, OpenShift, Docker, or other IaaS or PaaS solutions via training or seminars.
• Strong understanding of and compliance with IT development process (SDLC).
• Strong requirements planning and project implementation skills.
• Web-based and E-Commerce development or in-depth support experience a plus.
• JavaScript, CSS, XML, and HTML 5 experience a plus.
• Certification in one or more of the following: Red Hat Certified System Administrator (RHCSA), Red Hat JBoss Administration (RHCJA).