Linux System Administrator

Posted Yesterday
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Pittsburgh, PA, USA
In-Office
Entry level
Information Technology
The Role
Administer, maintain, troubleshoot, and optimize Linux infrastructure across large enterprise datacenters and remote locations. Responsibilities include managing RHEL and OEL systems, OpenShift environments, virtualization, storage, SAN, backup, disaster recovery, patching, application and Oracle database migrations, monitoring, root cause analysis, and shell-script automation. The role supports highly available infrastructure and collaborates with application and infrastructure teams on reliability, security, compliance, and ongoing platform initiatives.
Summary Generated by Built In
All Lines Technology is seeking an experienced Linux Systems Administrator to join their Global Information Services team in Pittsburgh, PA. This team is responsible for the deployment, administration, maintenance, and support of Linux-based infrastructure across enterprise datacenters and remote locations. The ideal candidate will have strong Linux administration experience in large-scale enterprise environments, expertise with Red Hat technologies, and a solid understanding of virtualization, storage, backup, and automation.
This position plays a critical role in ensuring the stability, security, and performance of Linux systems while supporting ongoing infrastructure initiatives, application deployments, and database migrations.
Key Responsibilities
  • Install, configure, administer, and maintain infrastructure components within physical and virtualized Linux environments.
  • Monitor, troubleshoot, and resolve Linux server issues, system failures, and critical alerts.
  • Deploy and migrate enterprise applications and Oracle databases.
  • Manage software upgrades, patches, hotfixes, and security updates across Linux platforms.
  • Write, maintain, and troubleshoot Linux shell scripts to automate operational tasks and improve efficiency.
  • Perform fault analysis, root cause investigations, and performance reporting.
  • Proactively monitor system performance, capacity utilization, and overall platform health.
  • Support enterprise backup, storage, and disaster recovery solutions.
  • Collaborate with infrastructure and application teams to ensure system availability, reliability, and compliance with organizational standards.
Daily Responsibilities
  • Configure, monitor, and troubleshoot Linux servers in a large-scale enterprise environment.
  • Administer Linux systems and quickly resolve failures, incidents, and critical alerts.
  • Develop and troubleshoot shell scripts for automation and operational support.
  • Perform root cause analysis and document performance-related issues and system exceptions.
  • Coordinate and implement server upgrades, patches, and maintenance activities.
Required Qualifications
  • Bachelor's degree from an accredited institution.
  • Red Hat Linux Certification such as RHCSA, RHCT, or RHCE.
  • Experience administering Linux servers in a large enterprise environment supporting 100+ Linux servers.
  • Strong experience with Red Hat Enterprise Linux (RHEL) and/or Oracle Enterprise Linux (OEL).
  • Experience building and supporting Red Hat OpenShift virtualized environments.
  • Experience with Linux system troubleshooting, performance tuning, and capacity planning.
  • Proficiency in Linux shell scripting.
Technical Skills
Operating Systems & Platforms
  • Red Hat Enterprise Linux (RHEL)
  • Oracle Enterprise Linux (OEL)
  • Red Hat OpenShift
Virtualization & Infrastructure
  • VMware
  • Hyper-Converged Infrastructure (HCI)
  • SAN Administration and Storage Technologies
Backup & Recovery
  • Commvault Backup
  • EMC Data Domain
Scripting & Automation
  • Shell Scripting
  • Perl
  • Python
Networking & Protocols
  • DNS
  • HTTP
  • LDAP
  • SMTP
  • SNMP
Preferred Qualifications
  • Experience supporting enterprise Oracle database environments.
  • Strong understanding of storage architecture and backup strategies.
  • Experience with enterprise monitoring and alerting tools.
  • Demonstrated ability to troubleshoot complex infrastructure issues in mission-critical environments.
  • Excellent documentation, communication, and collaboration skills.
What Will Make a Candidate Stand Out
  • Experience managing and supporting 100+ Linux servers in an enterprise environment.
  • Hands-on expertise with Red Hat, Oracle Enterprise Linux, and OpenShift platforms.
  • Strong background in storage, SAN, backup, and disaster recovery technologies.
  • Advanced Linux troubleshooting and scripting capabilities.
  • Experience supporting highly available, production-critical infrastructure environments.

Skills Required

  • Bachelor's degree from an accredited institution
  • Red Hat Linux certification such as RHCSA, RHCT, or RHCE
  • Experience administering 100 or more Linux servers in a large enterprise environment
  • Strong experience with Red Hat Enterprise Linux or Oracle Enterprise Linux
  • Experience building and supporting Red Hat OpenShift virtualized environments
  • Experience with Linux system troubleshooting, performance tuning, and capacity planning
  • Proficiency in Linux shell scripting
  • Experience supporting enterprise Oracle database environments
  • Strong understanding of storage architecture and backup strategies
  • Experience with enterprise monitoring and alerting tools
  • Ability to troubleshoot complex infrastructure issues in mission-critical environments
  • Excellent documentation, communication, and collaboration skills
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The Company
HQ: Cranberry Township, PA
136 Employees
Year Founded: 1988

What We Do

All Lines Technology is a leader in Edge to Cloud solutions that enable our customers to achieve optimal results utilizing best-of-breed technology solutions and services. Founded in 2000, All Lines Technology has steadily grown as a trusted advisor for our customers and partner, locally, nationally, and globally. Our goal is to help companies streamline and improve the way they buy, implement, and manage their technology needs. All Lines has an experienced and robust technical and sales staff that supports our broad range of customers from start-ups to Fortune 500. By leveraging cutting-edge technology and management solutions from industry leaders, we ensure you receive the technology solutions you require, delivered with the highest level of service and security.

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