HCLTech · 4 weeks ago
Linux/HP-UX System Administrator – L3 Support
Carrollton, TX
Full-time
Onsite
Senior Level
$100K/yr - $116K/yr
7+ years expHCLTech is seeking an experienced L3 System Administrator with deep expertise in Linux and HP-UX environments. The role involves advanced troubleshooting, performance tuning, and ensuring high availability, security, and compliance of Unix/Linux systems across mission-critical infrastructure.
Information and Communications Technology (ICT)IT ManagementOutsourcingSoftwareTelecommunications
Responsibilities
Perform OS installation, patching, upgrades, and security hardening
Manage Red Hat Satellite Server for patching and lifecycle automation
Configure and troubleshoot LVM, NFS, SAN storage, and cluster file systems
Conduct crash diagnostics using kdump, kexec, and core dump analysis
Implement clustering solutions (RedHat Cluster, SUSE HAE)
Optimize performance using tools like perf, strace, and OSWatcher
Manage LVM, cluster file system creation, and volume resizing
Handle failover/failback operations in ServiceGuard cluster environments
Perform OS patching, firmware updates, and advanced troubleshooting
Use tools like SAM, Ignite-UX, GlancePlus, and MeasureWare
Develop scripts using Ansible and Shell for automation and monitoring
Configure logging and health checks using rsyslog, OSWatcher, etc
Collaborate with security teams for vulnerability remediation
Implement system hardening and ensure compliance with IT policies
Provide L3 support for critical incidents and root cause analysis
Document resolutions and contribute to knowledge base and SOPs
Qualification
Required
7–10 years of experience in Linux and HP-UX system administration
Strong expertise in RHEL 7/8/9, SUSE Linux, and HP-UX 11.x
Proficiency in Red Hat Satellite Server, LVM, clustering, and SAN/NAS storage
Advanced troubleshooting and performance tuning skills
Strong scripting knowledge (Shell, Ansible)
Preferred
Certifications: RHCSA/RHCE, SLES, HP-UX Certified System Administrator
Experience in cloud-based Linux environments (AWS, Azure)
Familiarity with ITIL processes and enterprise-grade monitoring tools
Benefits
Medical
Dental
Vision
Pharmacy
Life
Accidental death & dismemberment
Disability insurance
Employee assistance program
401(k) retirement plan
10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year)
10 paid holidays per year
Company
HCLTech
HCLTech is a global IT company offering digital, engineering, and cloud solutions partnering with businesses for transformation.
10001+ employees
H1B Sponsorship
HCLTech has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2975)
2024 (3974)
2023 (3649)
2022 (3861)
2021 (4093)
2020 (4317)
Funding
Current Stage
Public CompanyTotal Funding
$220MKey Investors
ChrysCapital
2008-07-10Post Ipo Equity· $220M
2000-01-06IPO
Leadership Team
Vijayakumar C.
Chief Executive Officer
Alan Flower
Executive Vice President - CTO & Global Head, AI & Cloud Native Labs
Recent News
2026-01-05
Techcircle
2025-12-31
Company data provided by crunchbase