Senior AIX System Administrator

We are seeking an experienced Senior AIX System Administrator to support core enterprise Unix infrastructure and automate software lifecycle management across operating system components, supporting tools, and configuration management platforms. In this role, you will perform traditional Unix administration while leveraging automation, analytics, and Site Reliability Engineering (SRE) principles to eliminate operational toil and proactively address system issues., * Enterprise Unix Administration: Lead day-to-day administration, installation, configuration, and maintenance of AIX operating systems, LPARs, PowerVM, and HMC platforms.

• Automation & Orchestration: Automate OS deployment, configuration management, and software lifecycle tasks using tools such as Ansible, Python, VMware Aria, and Unix shell scripting.
• Toil Reduction & Analytics: Identify operational inefficiencies and toil within OS workflows; apply predictive analytics on incident history and pattern data to drive proactive system improvements.
• Network & Storage Management: Manage AIX and VIOS network configurations (Ethernet, VLANs, TCP/IP, SEAs), NFS, SSH/SFTP, SUDO, and LDAP client integrations.
• Performance Tuning & Monitoring: Perform in-depth performance monitoring, system tuning, and root-cause troubleshooting in high-availability enterprise environments.
• Agile Execution: Work within an Agile framework (Scrum/Kanban) to track, prioritize, and deliver infrastructure enhancements.

• Experience: 8+ years of professional Unix operating system administration experience.
• Core Technical Skills:
• Expert knowledge of AIX LVM, LPAR profile creation/configuration, PowerVM administration, NIM server management, and HMC.
• Strong expertise with automation tools (Ansible, Python, Aria, Unix scripting).
• Hands-on experience with VIOS network administration, Power Systems firmware upgrades, and enterprise storage/networking concepts.
• Proficient with AIX performance tuning, diagnostic tools, and user/group access control (SUDO, LDAP).
• Process & Methodology:
• Practical experience applying Agile methodologies (Scrum, Kanban) to IT operations.
• Proven ability to analyze system data to identify patterns, reduce toil, and automate repetitive tasks.

Work Schedule: Initial schedule is Monday - Friday, transitioning to either Tuesday - Saturday OR Sunday - Thursday. Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here: _EEOC_KnowYourRights6.12.pdf

The pay transparency policy is available here: _%20English_formattedESQA508c.pdf

For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program. _Participation_Poster_ES.pdf

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.