Sr. Unix System Administrator
About The Position
We're seeking an experienced Senior UNIX Systems Administrator with deep expertise in commercial UNIX environments, specifically AIX, HP-UX, and Solaris. This is not a Linux administration position with occasional UNIX work. We're looking for a true UNIX expert who enjoys solving complex production issues, supporting enterprise customers, and working with technologies that many organizations still rely on for mission-critical operations. You'll work directly with customers to troubleshoot, diagnose, and resolve challenging infrastructure issues involving operating systems, storage, clustering, networking, virtualization, and performance optimization. If you're passionate about enterprise UNIX and enjoy tackling problems others can't solve, we'd love to hear from you.
Requirements
- Strong hands-on production experience with at least two of the following platforms: IBM AIX, HP-UX, Oracle Solaris
- Experience supporting all three platforms is highly preferred.
- 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
- Extensive production experience supporting enterprise UNIX environments
- Can independently troubleshoot highly complex technical issues
- Enjoys solving difficult infrastructure problems
- Is comfortable working directly with customers
- Thrives in a collaborative, highly technical team
- Substantial experience administering commercial UNIX operating systems in production environments
Nice To Haves
- Experience with 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
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
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)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
