IT Infrastructure Administrator III
This role requires candidates who are currently authorized to work in the U.S. without sponsorship, and C2C arrangements are not accepted. This role is hybrid in Los Angeles, CA.
Overview
We are seeking an experienced IT Infrastructure Administrator III to support and maintain a complex enterprise infrastructure environment. This role is heavily focused on Linux-based systems, including enterprise Linux distributions, container platforms, and Unix environments such as HPUX.
The position is responsible for day-to-day administration of server, storage, virtualization, and backup systems across multiple operating environments. It requires strong troubleshooting skills, sound technical judgment, and the ability to interpret policies, procedures, and technical guidelines when resolving infrastructure issues. This is a Linux-centric role, and candidates should be comfortable handling advanced technical discussions and problem-solving in Linux and Unix environments.
Key Responsibilities
- Administer and support enterprise server environments with a primary focus on Linux/Unix systems and secondary support for Windows platforms
- Perform Red Hat Enterprise Linux administration, troubleshooting, and patching
- Administer and support Red Hat OpenShift container platforms
- Perform HPUX administration and troubleshooting
- Monitor, optimize, and troubleshoot infrastructure systems to ensure reliability and performance
- Install, configure, patch, and maintain server operating systems and infrastructure software
- Support SAN/NAS storage environments
- Perform backup and restore operations using enterprise backup solutions
- Execute backup, restore, and disaster recovery procedures
- Support VMware virtualization environments, including VDI and VSAN architectures
- Assist with Azure IaaS design, migration, and administration
- Support cloud infrastructure deployments and Infrastructure-as-a-Service environments
- Provide advanced troubleshooting and operational support across infrastructure platforms
- Serve as a technical lead on infrastructure projects including system design, testing, and implementation
- Collaborate with cross-functional teams and end users to resolve issues and improve infrastructure operations
Required Knowledge & Technical Expertise
- Enterprise Linux/Unix administration (Red Hat preferred)
- Strong experience with container platforms such as OpenShift
- HPUX administration and troubleshooting
- Windows Server and Active Directory administration
- VMware infrastructure and virtualization technologies
- SAN/NAS storage administration
- Enterprise backup and recovery systems
- Azure IaaS design, migration, and administration
- Networking technologies and infrastructure fundamentals
- Systems analysis, testing, configuration management, and performance monitoring
Desired Experience
- Enterprise Linux distributions and Unix environments
- Container orchestration platforms (e.g., OpenShift)
- Enterprise storage platforms (e.g., Dell/EMC SAN/NAS)
- Cloud platforms such as Azure IaaS or Oracle Cloud Infrastructure
- Supporting centralized enterprise backup solutions
Qualifications
- Bachelor’s degree in Information Technology, Computer Science, or a related field and 4+ years of relevant experience, or
- Master’s degree in a related field and 2+ years of relevant experience
- Equivalent combinations of education and experience may be considered
Additional Requirements
- Strong analytical and troubleshooting skills
- Ability to manage multiple priorities and work effectively under pressure
- Strong written and verbal communication skills
- Ability to maintain confidentiality of sensitive information
- Valid driver’s license may be required depending on operational needs
Additional Role Insight
This role is Linux-centric, with a strong emphasis on Red Hat Enterprise Linux, container platforms (OpenShift), and HPUX systems. Candidates should expect a high volume of technical Linux-related responsibilities and interviews that include in-depth Linux and Unix troubleshooting scenarios.