Linux System Administrator III (Fort Worth, TX)

Purpose Of Role

Responsible for the technical design, planning, implementation, and the highest level of performance tuning and recovery procedures for mission critical enterprise systems. Serves as a technical expert in system administration for complex operating systems. Recommends the design and configuration of operating systems and system applications. Investigates and analyzes feasibility of system requirements and develops system specifications. Identifies methods, solutions, and provides project leadership and management to provide a high level of service to the customers of the department.

Specific Job Description (to be provided by hiring manager)

  • Perform regular maintenance of Red Hat Enterprise Linux systems (RHEL), specifically RHEL5(POS), RHEL6 & RHEL7.

  • This position will partner with the developers of our point of sale systems.

  • Basic Understanding of NIM

  • Knowledge of TSM

  • Understanding of Unix 5.3

  • IBM Hardware knowledge

  • Manage and maintain Red Hat Satellite Server 6 or any other centralized management tool

  • Support the development and deployment of new applications as needed in designated Enterprise Linux.

  • Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project/operational requirements.

  • Perform Senior systems security administration functions, including creating customer profiles and accounts

  • Monitor and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency

  • Write or modify basic scripts to resolve performance problems and automate systems administration tasks

  • Maintain system documentation and logs

  • Perform or assist in troubleshooting and diagnosing production problems; corrects identified problems

  • Maintain Linux & application security, event investigations and compliance enforcement.

  • Review personnel conduct in relation to data protection

  • Provide monitoring and primary response and intervention for information technology related security incidents and violations

  • Perform other miscellaneous duties as assigned

Span of Control

  • Has no direct or indirect reports

  • Work is closely supervised.

  • Follows specific, detailed instructions.

Typical Minimum Education & Experience; Knowledge/Skills/Abilities Required

  • Bachelor’s degree or equivalent or 2 years of related professional experience.

  • Experience in developing and implementing large scale, complex, highly available Infrastructure architecture that supports critical business applications.

  • 7+ years’ experience with administration of Unix/Linux Environments

  • 7 years’ experience with monitoring tools, SolarWinds a plus

  • 5 years’ experience working with SAN storage.

  • A thorough understanding of and experience with computer based systems and associated networking architectures.

Our ideal candidate will have: experience working with large complex projects; experience with Red Hat and/or other Unix systems, RedHat on VMware, Storage Area Networks (SAN), SNMP monitoring configuration, security compliance, 2+ years’ experience with Red Hat Enterprise Linux, experience with RHEL 6 and 7 and experience with RHEL in a virtualized environment.

  • Must be able to work on multiple projects simultaneously and have the ability to think and work independently with minimal supervision.

  • Must be willing to work irregular shifts when need arises and provide on call coverage in a 24/7 environment.