About the role and what you'll be doingThe AIX Expert System Engineer is a senior technical authority responsible for the architecture, engineering, optimization, and strategic evolution of IBM AIX and Power Systems environments. This role serves as the highest level of technical expertise, owning complex platform decisions, large‑scale migrations, performance engineering, automation, and resiliency design for business‑critical workloads.ResponsibilitiesPlatform Architecture & EngineeringAct as technical owner and subject‑matter expert (SME) for IBM AIX and Power Systems platformsDesign, architect, and standardize enterprise‑scale AIX and pSeries environmentsDefine and maintain architecture standards, build patterns, and best practicesProvide expert guidance for capacity planning, scalability, and platform modernizationReview and approve complex designs related to compute, storage, virtualization, and networkingIBM Power & Virtualization ExpertiseDeep expertise in PowerVM, VIOS, and advanced AIX virtualizationArchitect and manage HMC environments (v9 & v10)Architecture and management of Power8, Power9, and Power10 systemsManage DLPAR, LPM, NPIV, virtual networking, virtual storage, SR‑IOV, vNIC adaptersLead VIOS architecture, build, upgrade, and high‑availability designPerform pSeries hardware commissioning, refresh, and consolidation projectsLifecycle Management & MigrationsLead AIX OS lifecycle management, including upgrades, patching, and kernel tuningArchitect and execute AIX OS migrations (6.1 7.1 7.2 7.3)Manage hardware refresh and data center migrationsLead storage and SAN migrationsOwn and optimize NIM (Network Installation Manager) design and usageDesign zero‑downtime or minimal‑impact migration strategiesPerformance, Reliability & ResiliencePerform advanced performance analysis, workload optimization, and tuningDesign high availability, fault tolerance, and resiliency modelsDefine and govern Disaster Recovery (DR) and Business Continuity (BC) strategiesAnalyze platform risks and implement proactive mitigationsDefine monitoring standards and performance KPIsIncident, RCA & Problem ManagementAct as final escalation authority for critical and recurring AIX incidentsLead Major Incident Management (MIM) and complex RCA investigationsPerform trend analysis, identify systemic issues, and drive long‑term fixesCoordinate with IBM and hardware/storage vendors for deep technical resolutionsAutomation & Continuous ImprovementDrive automation‑first strategy for AIX operationsDevelop and review Shell, Perl, and Python automation frameworksIntegrate automation with Ansible or enterprise orchestration toolsReduce manual effort, improve consistency, and enhance platform reliabilityGovernance, Documentation & ComplianceEnsure adherence to ITIL, security, audit, and compliance requirementsDefine technical governance and change standards for the AIX platformAuthor and maintain architecture documents, SOPs, runbooks, and KB articlesSupport audits and ensure platform compliance with enterprise policiesLeadership, Consulting & MentoringProvide expert consultation to stakeholders, architects, and senior leadershipMentor and technically guide L3 engineers and system architectsSupport complex client engagements, audits, and transformation programsCommunicate complex technical concepts to non‑technical audiencesRequired Skills & Experience12–15+ years of hands‑on experience in IBM AIX and Power SystemsExpert‑level knowledge of AIX OS administration and kernel internalsPowerVM, VIOS, and HMC expertisepSeries architecture masteryStrong expertise in SAN storage, HA, DR, and enterprise networkingProven experience leading large‑scale migrations and transformationsAdvanced shell scripting and automation skillsExcellent troubleshooting and analytical capabilitiesPreferred QualificationsIBM Certifications in AIX System Administration, Power Systems/pSeries Hardware, Performance Tuning, and Network AdministrationExperience in mission‑critical, regulated, or global enterprise environmentsExposure to hybrid cloud or IBM Power on Cloud architecturesProfessional AttributesStrategic thinker with strong technical depthCalm and decisive during critical outagesExcellent communication and documentation skillsStrong ownership mindset with attention to detailCollaborative leader and trusted technical advisorComfortable working in rotational on‑call models when requiredBenefitsUnlimited Paid Days OffThree health plan options401(k) with company matchEligibility for dental, vision, short and long‑term disability, life and AD&D coverage, and flexible spending accountsFamily Forming Benefit including fertility coverage and adoption/surrogacy reimbursementPaid childbearing and paternal leaveEducation Reimbursement, Student Loan Assistance or 529 College FundingSabbatical leaveWellness programFlexible work scheduleCompensationEstimated pay for this role is $125,000 to $163,000 annually based on a full‑time schedule. Base salary and additional compensation such as an annual bonus plan and equity grant are subject to eligibility and business needs.Equal Opportunity EmployerEnsono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law.Pay Transparency StatementPay transparency nondiscrimination statement/posting OFCCP's pay transparency policy can be found on OFCCP's website ( English_formattedESQA508c.pdf).AccessibilityIf you need accommodation at any point during the application or interview process, please contact your recruiter or email USTalentAcquisition@ensono.com.JR013758#J-18808-Ljbffr