Job Description

We are seeking a Senior Red Hat Linux Administrator to join our team. The Senior Red Hat Linux Administrator will be responsible for managing, maintaining, and optimizing Red Hat Enterprise Linux (RHEL) environments. This role plays a critical part in ensuring the stability, security, and high performance of systems that support a variety of enterprise-level applications. The ideal candidate will bring deep expertise in Linux administration, automation, system troubleshooting, and implementing security best practices in complex IT environments.

Work will be conducted in a hybrid setting from Monday through Friday each week, wo (2) days remotely and On-Site Work (3 Days per Week) in Annapolis, MD.

Minimum Qualifications (Required):

Mandatory qualifications:

Education:

· Bachelor’s degree or postgraduate degree in Engineering, Computer Science, or a closely related field.

Certification:

· Red Hat Certified Systems Administrator (RHCSA):

· Certification must be issued by Red Hat.

· Resources must provide a valid certification number.

Preferred Qualifications:

· A minimum of 10 years of experience as a Red Hat system administrator.

· A minimum of 10 years of experience administering Unix (AIX) on IBM pSeries systems.

· A minimum of 15 years of experience in the Information Technology (IT) field.

Key Responsibilities:

· Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers in development, test, and production environments.

· Perform system upgrades, patch management, and security hardening in alignment with industry best practices.

· Monitor system performance, troubleshoot issues, and optimize uptime and efficiency.

· Develop and manage automation scripts using Ansible, Bash, or Python.

· Configure and maintain Red Hat ecosystem tools such as Satellite and Identity Management (IdM).

· Collaborate with security teams to ensure compliance with vulnerability management and security policies.

· Manage and optimize storage, backup solutions, and disaster recovery strategies.

· Provide support to application teams, ensuring best practices for Linux-based deployments.

· Maintain thorough and up-to-date documentation for system configurations and procedures.

· Participate in on-call support and incident resolution as needed.

· Configure Network File Systems (NFS) and mount points.

· Create and manage Cron jobs for system and application tasks.

Skills, Experience, and Capabilities:

Technical Experience:

· Strong experience working in complex networked system environments.

· Expertise in managing and administering Unix (AIX) IBM pSeries systems.

· Hands-on experience supporting and administering the following systems/applications:

· Oracle WebLogic Servers

· Oracle Database Servers

· Progress 4GL / OpenEdge

· Apache Web Servers

· vSphere-hosted RHEL Servers

· Rubrik Backup Systems

· Oracle Database Backups

· PeopleSoft

· Mobius

· Elastic Search

· Oracle OBI

· Concurrent Version System (CVS)

Proficiency in:

· Red Hat performance tuning

· Load balancing, partitioning, and disaster recovery strategies

· Operating in environments requiring 24/7 system availability

· Application development and Red Hat technical support

· Electronic imaging system support

Soft Skills & Abilities:

· Strong team collaboration and leadership capabilities.

· Effective communication with both technical and non-technical stakeholders.

Ability to:

· Interface with users and helpdesk personnel.

· Provide expertise in backup/recovery and networking methodologies.

· Troubleshoot issues at the OS, database, and application levels.

Knowledge Areas:

In-depth knowledge of:

· Red Hat administration, including system configuration and performance tuning.

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