Linux Systems Admin

Linux System Administrator

DISYS at a Glance:

• Incorporated in 1994
• Certified Minority Business Enterprise (MBE)
• More than 3500 employees
• ISO 27001, ISO 9001, and ITIL Quality Assurance Programs
• Hybrid on-site, nearshore, and offshore service models
• Global Delivery Centers Across the World

Seeking a Linux Systems Administrator with experience supporting Red Hat Linux in a 24x7 environment. This position will be responsible for supporting IT infrastructure, focusing on production systems in Geoscience, Engineering, and ERP areas. The successful candidate will work closely with the business and other IT groups to ensure alignment with business goals.

Key Responsibilities:

• Design, install, configure, and maintain Red Hat Linux (6/7/8) in a virtualized Linux environment
• Administer, troubleshoot, and resolve failures and critical alerts on Linux servers
• Maintain security for all Linux systems
• Write and troubleshoot Linux shell scripts as necessary
• Collaborate with Oracle DBAs to ensure maximum uptime for business-critical databases
• Collaborate with application business analysts to ensure success and availability for business-critical applications
• After-hours and weekend work may be required to minimize business disruption.

Qualifications

• Bachelor’s degree required. Concentration in IT related field preferred
• 3+ years experience administering Red Hat Linux in an enterprise environment
• Experience with Ansible for configuration management
• Experience administering Red Hat Satellite for server deployment and management
• Understanding of Active Directory/SSSD/Kerberos for system security and authentication
• Understanding HPC schedulers and launch scripts is a plus
• Understanding of IT controls and audit concerns
• Strong collaboration and verbal and written communication skills



• Enterprise environment experience
• Previous experience in the same role in a professional environment
• Experience with Red Hat Linux or one of its derivatives
• Ansible experience - all of configuration mgmt. is done with this Active directory SSD