IBM i (AS/400) Systems Administrator
hace 6 días
Houston
Job Description Who we are: ManhattanLife Insurance and Annuity Company was founded in 1850, the Company’s longevity makes it one of the oldest and most reliable health and life insurance companies in the country. Operating successfully for 175 years is a testimony to ManhattanLife’s enduring history, and an indicator of the reliability of our future. ManhattanLife’s headquarters are in Houston, TX and the company is continually growing with multiple office locations nation-wide. ManhattanLife offers attractive employee benefits starting day one, including immediate coverage under our health, dental and vision plans. We offer flexible schedules, including shortened hours on Fridays, free parking, company-wide events, professional development (LOMA testing) and a company-wide wellness program. Scope and Purpose: As the IBM i (AS/400) Systems Administrator, you’ll be the primary owner of our IBM i platform—ensuring operating systems are current, systems are secure and performant, backups are reliable, and high availability/disaster recovery is ready. You’ll manage LPARs, coordinate with vendors, lead root-cause investigations, and drive preventive maintenance to maintain stable and compliant operations. Duties and Responsibilities: • OS, Firmware & PTF Lifecycle, • Plan, stage, and apply OS releases, firmware updates, and PTF/PTF groups., • Validate updates in lower environments; schedule IPL windows and rollback plans., • Maintain change documentation and audit evidence., • Capacity & Performance, • Monitor CPU, memory pools, ASP/IASP storage, and I/O., • Use Collection Services and Performance Data Investigator for trend analysis and tuning., • Optimize subsystems, job priorities, and memory pools., • Security Administration, • Manage user/group profiles and authorities; maintain AUTLs and object permissions., • Enforce password and system value policies., • Configure QAUDJRN auditing; produce entitlement and audit reports., • Backup & Restore, • Own BRMS policies (daily/weekly/monthly)., • Manage media/VTL handling and offsite rotations., • Perform SAVSYS/SAVLIB as needed; execute test restores and maintain recovery runbooks., • High Availability & Disaster Recovery, • Maintain replication/HA tools (e.g., PowerHA, MIMIX, Quick-EDD)., • Validate remote journaling and run DR exercises/role-swap drills., • Track and report RPO/RTO metrics., • LPAR Management & Configuration, • Administer HMC partition profiles and perform DLPAR moves., • Coordinate VIOS/SAN mappings with infrastructure teams., • Manage TCP/IP, DNS/NTP, routing, and printers/outqs., • Vendor Coordination, • Open and manage cases with IBM and solution vendors., • Schedule field maintenance; manage licenses and renewals., • Incident & Problem Management, • Lead root-cause analysis for systemic issues., • Implement corrective and preventive actions., • Keep stakeholders informed throughout., • Documentation & Compliance, • Maintain SOPs and runbooks., • Provide audit artifacts; enforce change control and segregation of duties. Minimum Qualifications: • Bachelor’s degree in an IT-related field and 3+ years of IBM i/AS/400 systems administration; or, • Associate degree/technical program and 4+ years of relevant experience; or, • Equivalent hands-on experience (5+ years) administering IBM i environments. Knowledge, Skills and Abilities: • Platform Expertise, • Subsystems, job scheduling, libraries/objects, journaling, save/restore, IFS., • Strong grasp of LPAR concepts and system values., • Core Tooling, • IBM i Access Client Solutions (ACS), 5250 emulator, Navigator for i, HMC., • BRMS, Collection Services, Performance Data Investigator., • Security & Audit, • QAUDJRN/QAUDCTL/QAUDLVL configuration, exit points, password policies (QPW* values)., • Adopted authority, access reviews, and reporting., • Storage & HA Basics, • ASP/IASP management, journaling/remote journaling, replication concepts., • VTL/tape libraries, SAN/VIOS coordination., • Scripting & Automation, • CL programming, operational SQL, qsh/QP2TERM utilities., • Strong discipline in change management and documentation., • Soft Skills, • Clear communicator, detail-oriented, and calm under pressure., • Strong collaboration with developers, infrastructure teams, and auditors., • Availability, • Able to support maintenance windows and participate in an on-call rotation., • Preferred Experience, • Experience with PowerHA, MIMIX/Quick-EDD, and role-swap orchestration., • Monitoring/automation tools (e.g., Robot/Console, Nagios), log aggregation, and alert tuning., • Exposure to SAN/VIOS administration (NPIV, vSCSI), PowerVC, or cloud backup gateways., • Familiarity with compliance frameworks (SOX/PCI/HIPAA)., • Database care (RGZPFM, journal receiver management) and Db2 for i performance tuning. Travel Requirements: This position may require light travel within a ten-mile radius from one local office location to another as needed. Professional Development: • Establish annual objectives for professional growth., • Keep pace with developments in the discipline., • Learn and apply technologies that support professional and personal growth.