Senior UNIX & Linux Systems Expert - 7+ yrs Ops & Automation

HCL Technologies Limited; Jacksonville (FL); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) retirement plan

Paid time off

Holidays

Job summary

HCL Technologies Limited is seeking an experienced UNIX Systems Administrator in Jacksonville, FL, to manage a large UNIX estate and Linux environment. You will handle OS patching, performance tuning, storage integration, and incident response across ~6,000 servers while coordinating with engineering and vendors.

The role requires strong scripting, network engineering, and the ability to work in a global, follow-the-sun support model, with occasional after-hours work as needed.

Qualifications

• 7+ years of experience with Linux (Red Hat, SuSe, OEL) and Unix (Solaris and AIX).
• 7+ years in systems administration upgrades, patching and configuration management, performance management, troubleshooting, analysis and capacity planning.
• Design, test and certify patching solutions, patch catalogues and platform enhancements.
• Experience with EMC SRDF storage on Solaris and Linux; familiarity with other storage technologies.
• Strong TCP/IP networking and advanced systems tuning, network topology and firewalled environments.
• Understanding routing, client/server programming, and network-wide file system layout.
• Experience installing layered products, debugging complex systems, ITSM processes.
• Strong problem-solving skills; ability to work under pressure.
• Experience in Perl and Shell scripting to automate tasks.

Responsibilities

• Provide dedicated support to Run the Bank and Change the Bank activities.
• Advanced system tunings to application specific requirements; standardization and automation.
• Keeping the UNIX environment compliant with the technology roadmap, upgrades, and third-party software upgrades.
• Rapid response to incidents.
• Working closely with UNIX engineering and third party vendors.
• Interface with IT and business clients at all levels of the organization.
• Follow the sun model (round-the-clock coverage).
• Some out of hours and weekend work may be required to comply with change windows.

Skills

Linux administration

Unix administration

Patch management

Performance monitoring

TCP/IP networking

Scripting (Perl, Shell)

EMC SRDF

Oracle Exadata

Incident response

Tools

EMC SRDF

Oracle Exadata

Oracle Exalogic

Job description

HCL Technologies Limited is seeking an experienced UNIX Systems Administrator in Jacksonville, FL, to manage a large UNIX estate and Linux environment. You will handle OS patching, performance tuning, storage integration, and incident response across ~6,000 servers while coordinating with engineering and vendors.

The role requires strong scripting, network engineering, and the ability to work in a global, follow-the-sun support model, with occasional after-hours work as needed.