Linux Systems Engineer in San Antonio, TX

$100K - $150K(Ladders Estimates)

Randolph-Brooks Federal Credit Union   •  

San Antonio, TX 78201

Industry: Finance & Insurance


5 - 7 years

Posted 36 days ago

Job Description and Requirements

Overall responsibility for administering both physical and virtual Red Hat Enterprise Linux servers; Comprehensive knowledge of AIX platform; Responds to issues and participates in implementations and problem resolution. Architect and design implementations of new applications hosted on a RHEL and/or AIX platform; tests and evaluates security patches and applies to production systems if needed; work with multiple IT disciplines to engineer system solutions that meet business need; responds to after hours calls as needed.

Essential Functions and Responsibilities:

  • Analyze business requirements, identify risks, collaborate with functional team and business users to deliver flexible and cost effective solutions hosted on an RHEL or AIX platform.
  • Create comprehensive design documentation for business and IT core functional projects
  • Trouble-shoot Linux (RedHat) system related issues, at VM level, as well as AIX OS issues
  • Develop, debug and maintain all shell scripts
  • Create and maintain system Logical Volume Manager (LVM) volume groups, logical volumes, and file systems (LPAR and VIO server concepts).
  • Responsible for maintaining user accounts, group memberships; local and LDAP.
  • Design host firewall configurations in multiple environments
  • Initialize operating systems configuration and security based on CIS standards.
  • Monitor system performance, tuning systems and I/O for optimal performance
  • Design appropriate system and data redundancy measures.
  • Other duties as assigned (note: essential functions and responsibilities may change or new ones may be assigned at any time with or without notice)


  • 5 years server support experience and engineer type
  • Successful completion of Bachelors Degree in Information Systems, Computer Science, or closely related field OR successful completion of a relevant program from an accredited technical school; or industry certifications such as RHCE; or an equivalent combination of education and experience
  • Current RHCE
  • Advanced experience administering Linux RHEL in multiple production and non-production environments
  • Advanced experience with VMware virtualization technologies
  • Comprehensive understanding storage area network technologies and AIX system partitioning
  • Working knowledge of IT Security vulnerability management best practices
  • Comprehensive understanding of networking concepts

Valid Through: 2019-11-8