Open role
[Remote] Sr. Unix System Administrator
Note: The job is a remote job and is open to candidates in USA. LCI - Lawinger Consulting, Inc. is seeking a senior UNIX systems administrator to support enterprise customers and resolve complex production infrastructure issues. The role focuses on AIX, HP-UX, and Solaris environments, including operating systems, storage, clustering, networking, 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
- Strong hands-on production experience with at least two of the following platforms: IBM AIX, HP-UX, Oracle Solaris
- 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
- Has extensive production experience supporting enterprise UNIX environments
- Can independently troubleshoot highly complex technical issues
- Is comfortable working directly with customers
- Experience supporting all three platforms
- 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
- Enjoys solving difficult infrastructure problems
- Thrives in a collaborative, highly technical team
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)
- Remote flexibility within the United States
- Access to a dedicated multi-platform UNIX lab
- Opportunities to continue expanding your UNIX expertise
Company Overview
Company H1B Sponsorship