Linux System Administrator

Rapinno Tech; Houston (TX); Hybrid; USD 90,000 - 120,000; Full time

Job summary

A technology firm in Houston is urgently seeking a qualified Linux System Administrator. The role demands at least 8 years of experience, focusing on Red Hat Linux in a 24x7 environment, to support critical IT infrastructure in Geoscience, Engineering, and ERP. Ideal candidates will have a Bachelor's degree, Ansible skills, and a strong grasp of security protocols. This position requires collaboration across teams to ensure system uptime and may involve after-hours support to minimize disruptions.

Qualifications

• 3+ years’ experience administering Red Hat Linux in an enterprise environment.
• Experience with Ansible for configuration management.
• Understanding of Active Directory/SSSD/Kerberos for system security and authentication.

Responsibilities

• Design, install, configure, and maintain Red Hat Linux in a virtualized Linux environment.
• Administer, troubleshoot, and resolve failures and critical alerts on Linux servers.
• Maintain security for all Linux systems.

Skills

Administration of Red Hat Linux

Experience with Ansible

Strong communication skills

Troubleshooting Linux systems

Collaboration with DBAs

Education

Bachelor's degree in IT or related field

Tools

Red Hat Satellite

Job description

About the job Linux System Administrator

VERY URGENT AND IMMEDIATE NEED.

Note: Need Only US Citizen, Green Card, EAD-GC, J2 EAD, H4 EAD, L2 EAD, and TN Visa.

Job Description:

Need minimum 08+ years of experience

• 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 of HPC schedulers and launch scripts a plus

Understanding of IT controls and audit concerns

Strong collaboration and verbal and written communication skills

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