Ensono
technology
SeniorSystemEngineer
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“Senior System Engineer at Ensono. Skills: IBM AIX, pSeries, System Administration, Troubleshooting, Scripting. expert‑level administration, engineering, and support of IBM AIX and pSeries environments. highest technical escalation point”
What You'll Achieve.
ensuring system stability, security, and availability in mission‑critical environments
Industry & Context.
analytical and problem-solving skills; Ability to diagnose and resolve issues quickly under pressure
Work in rotational shifts and on‑call support models
What They're Looking For.
Must Have
8–12+ years of hands‑on experience in IBM AIX and pSeries administration, Deep understanding of IBM AIX OS and Power Systems architecture, experience with PowerVM, VIOS, HMC, Excellent troubleshooting skills for OS and hardware issues, 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
What You'll Do.
expert‑level administration
and support of IBM AIX and pSeries environments
highest technical escalation point
owning complex troubleshooting
and lifecycle management
ensuring system stability
and availability in mission‑critical environments
Prepare weekly and monthly operational status reports
Adhere to ITIL processes
and security standards
Develop Shell / Perl scripts to automate day‑to‑day administration tasks
Maintain and update technical documentation
Support continuous knowledge acquisition and documentation updates
Provide technical SME support across projects and operations
How You'll Work.
Team & Collaboration
coordinate with cross‑functional stakeholders; Work closely with application, database, storage, network, and cloud teams; Communicate effectively with interdisciplinary technical and non‑technical teams; Team-oriented approach with mentoring and knowledge‑sharing attitude
Communication Scope
Excellent communication and documentation skills; Communicate effectively with interdisciplinary technical and non‑technical teams
Full Job Description
About Us (Ensono) Ensono is an expert technology adviser and managed service provider. As a relentless ally, we accelerate clients’ digital transformation to achieve business outcomes that stand to last. Our dedicated team helps organizations optimize today’s systems across any hybrid environment with services such as consulting, mainframe and application modernization, public cloud migration and cloud-native development. With certified experts in AWS, Azure and Google Cloud and recognized as Microsoft Datacenter Transformation Partner of the Year, Ensono has over 3500+ associates globally and is headquartered in greater Chicago. We care about your success, offering comprehensive strategic and managed services for mission-critical applications. Our Advisory and Consulting services can help upfront with an application strategy or find the right places for your applications – whether it’s public, multi or hybrid cloud, or mainframe. And because we span across all mission-critical platforms, we can meet you wherever you are in your digital transformation journey, with 24/7 support when you need it. We are your relentless ally, flexing with you when challenges emerge so you don’t feel stuck in place. With cross-platform certifications and decades of experience, our technology experts have become an extension of your team so you’re continuously innovating – doing more with less while remaining secure. And that’s just the beginning Job Summary The AIX L3 System Administrator is responsible for expert‑level administration, engineering, and support of IBM AIX and pSeries environments. This role acts as the highest technical escalation point, owning complex troubleshooting, performance tuning, migrations, virtualization, and lifecycle management while ensuring system stability, security, and availability in mission‑critical environments. Key Responsibilities AIX coordinate with cross‑functional stakeholders Prepare weekly and monthly operational status reports Adhere to ITIL
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