Note: The job is a remote job and is open to candidates in USA. LCI - Lawinger Consulting, Inc. is seeking an experienced Senior UNIX Systems Administrator to support enterprise customers and mission-critical commercial UNIX environments. The role focuses on diagnosing and resolving complex infrastructure issues across operating systems, storage, clustering, networking, virtualization, and performance optimization.
Responsibilities
- Resolve advanced UNIX infrastructure and operating system issues for enterprise customers
- Troubleshoot complex storage, networking, performance, boot, and clustering problems
- Support production environments running AIX, HP-UX, and Solaris
- Implement solutions remotely and occasionally on-site
- Participate in a low-frequency on-call rotation for critical customer escalations
- Maintain and expand internal UNIX lab environments for testing and validation
- Share technical expertise through quarterly webinars and knowledge sharing
- Continuously learn and develop expertise across supported UNIX platforms
Skills
- Candidates must have **strong hands-on production experience with at least two** of the following platforms:
- * IBM AIX
- * HP-UX
- * Oracle Solaris
- Qualified candidates should demonstrate experience with many of the following:
- * Enterprise UNIX administration and troubleshooting
- * Logical Volume Manager (LVM)
- * Filesystem administration (JFS/JFS2, ZFS, VxVM, SVM)
- * High Availability clustering (PowerHA/HACMP, Serviceguard)
- * Shell scripting (ksh, sh, bash)
- * Performance tuning and diagnostics
- * Enterprise storage (SAN, Fibre Channel, multipathing)
- * NFS and SMB/CIFS administration
- * TCP/IP networking and troubleshooting
- * LDAP, Active Directory integration, PAM, and Kerberos
- * Patch management and security hardening
- * Operating system installation, upgrades, and disaster recovery
- * Boot process troubleshooting across enterprise UNIX platforms
- Experience supporting all three platforms is highly preferred
- Experience with any of the following is a plus:
- * PowerHA / HACMP
- * Serviceguard
- * Solaris Zones or Logical Domains (LDOMs)
- * NIM or Ignite-UX
- * Veritas Volume Manager
- * SPARC systems
- * IBM Power Systems
- * NetApp, EMC, Ceph, GPFS, or Lustre storage
- * Python, Perl, or Ruby automation
- * Legacy UNIX platforms such as Tru64 or IRIX
Benefits
- Medical, Dental & Vision Insurance
- Health Savings Account (HSA) with employer contributions
- Employer-funded Life Insurance
- 401(k) with employer contributions
- Employee Ownership Program
- Unlimited Paid Time Off
- Paid Company Holidays
- Flexible work environment (Remote, Hybrid, or On-Site)
Company Overview
Company H1B Sponsorship