or apply directly on Ensono's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 days Ensono's roles stay open a median of 36 days
- Reposted
- No
- Salary listed
- No 32% of Ensono's roles list one
- Ghost-job risk at Ensono
- high 26 stale, 1 reposted of 69 open
- Hiring momentum
- 123 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Ensono's own greenhouse board since 2026-08-03. Full hiring picture for Ensono.
About this role
The Senior System Engineer will serve as an expert-level AIX L3 System Administrator, focusing on the administration, engineering, and support of IBM AIX and pSeries environments. Responsibilities include managing server installations, configurations, and maintenance, as well as handling complex troubleshooting, performance tuning, and lifecycle management in mission-critical settings. The role also involves collaboration with various technical teams and requires participation in on-call support.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Ensono as an employer.
What you need
- 8–12+ years of hands-on experience in IBM AIX and pSeries administration
- Deep understanding of IBM AIX OS and Power Systems architecture
- Strong experience with PowerVM, VIOS, HMC
- Excellent troubleshooting skills for OS and hardware issues
- Strong scripting skills (Shell, Perl)
- Experience in enterprise production environments
Nice to have
- IBM Certifications in: AIX System Administration, pSeries Hardware, Performance Tuning, Network Administration
- Experience in large, mission-critical environments
- Exposure to hybrid or cloud-integrated IBM Power workloads
Worth weighing
- Shift timing is from 1:30 PM to 10:30 PM, which may not suit all candidates.
- The role requires working in rotational shifts and on-call support models, indicating a potentially demanding schedule.
Summarised from Ensono's posting. Read the full original.
Listed by Ensono on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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