System Administrator

Company : Diverse Lynx

Location : Chicago, IL, 60602

Posted Date : 15 October 2025

Job Type : Other

Category : IT Operations & Helpdesk

Occupation : System Administrator

Job Details

Role: System Administrator
Location: Chicago, IL, United States
Duration : Long Term Contract
Experience Required: 4-6 years (must include 5-7 years of hands-on L2/L3 Unix/Linux system administration)
Competencies:

Unix Administration
Solaris

Role Overview:
We are seeking a skilled System Administrator with deep expertise in Solaris and Linux environments. The role involves L2/L3-level support, system builds, incident resolution, and performance management across multiple Unix platforms, with a focus on cloud, cluster, and enterprise hardware environments.
Key Responsibilities:

Provide L2/L3 support for Solaris OS administration, including:
- LDOM/CDOM, Solaris Zones (local/global)
- UFS, ZFS, Solaris Volume Manager
- Solaris zpool/app-pool filesystem management
Administer Linux systems (RedHat/Oracle Linux) at L2/L3 level
Manage HPUX servers and related OS-level activities
Perform core OS tasks: system builds, troubleshooting, server recovery, CPU/RAM/Disk/Network resource management
Provide support for incident and major incident resolution
Manage cluster technologies :
- Veritas Cluster, Oracle RAC, Oracle ASM
- Pacemaker cluster
Work with cloud platforms including Azure and Oracle Cloud (including Exadata on cloud)
Perform storage and network troubleshooting (e.g., multipath, MD filesystems)
Work with Cisco UCS and hardware-related activities including CRU replacements
Manage file systems: Veritas, MetaDisk, Multipath
Handle Oracle-specific tools like FMADM
Respond to escalations with urgency and accuracy
Create and maintain Standard Operating Procedures (SOPs)
Adhere to defined SLAs and KPIs (resolution and response times)
Follow a 24x7 support model with rotating shifts and handovers (HOTO)

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.