Lead Engineer (Iseries) AS400 #MBSCareer

Marina Bay Sands Pte Ltd; Singapore; On-site; USD 80,000 - 120,000; Full time

Job summary

An established industry player is seeking a seasoned professional to lead the operations of their mission-critical IBM/i iSeries System. This role involves ensuring system readiness, compliance with internal controls, and providing technical leadership in a dynamic environment. You will collaborate with various teams to enhance operational efficiency and drive improvements in system performance. If you have extensive experience in the iSeries environment and a passion for technology, this is a fantastic opportunity to make a significant impact in a forward-thinking organization.

Qualifications

• 10+ years of hands-on experience in iSeries environment.
• IBM training and/or certification preferred.
• Strong understanding of compliance and audit requirements.

Responsibilities

• Lead daily operations of IBM/i iSeries System to meet OLA/SLA standards.
• Handle incident and problem management for business operations.
• Collaborate with IT and vendors to resolve complex issues.

Skills

IBM i5/OS (OS/400)

AS400

System Management

ITIL best practices

Vulnerability Management

Technical Leadership

Education

Degree in Computer Science

ITIL Foundation certification

IBM training and/or certification

Tools

DB2

Java

PowerHA

Backup and Recovery (BRMS)

Job description

Job Responsibilities

• Lead the daily operation of the mission-critical IBM/i iSeries System and hosted applications to meet OLA/SLA standards.
• Support application, developer, and project teams for BAU, enhancements, and projects.
• Handle incident and problem management, including 24x7 escalated support for business operations.
• Collaborate with Internal IT and vendors to resolve complex issues and conduct RCA analysis.
• Update Standard Operating Procedures (SOPs) to align with corporate standards, operational processes, and best practices.
• Ensure compliance with internal control procedures, audit requirements, and regulations.
• Maintain system readiness for recovery, ensuring HA system meets RPO/RTO targets.

Operation:

• Review and update system monitoring requirements; ensure system health and optimal performance.
• Conduct periodic capacity reviews; coordinate with stakeholders for capacity planning and upgrades.
• Plan and execute hardware, firmware, software, and OS PTF upgrades to ensure stability and lifecycle support.
• Maintain high availability (HA) setup, ensuring data synchronization and system health.
• Update backup schedules and monitor backups for completeness and readiness for recovery.
• Implement operational improvements, automation, and control measures for efficiency and security.

Technical:

• Provide technical leadership for the iSeries environment, including technology refresh projects like Power10 upgrade.
• Lead projects for system upgrades, patches, and new technology implementations.
• Coordinate system changes with proper planning, review, approval, and communication to ensure compliance.
• Plan and execute Disaster Recovery testing to verify system recovery readiness.
• Research and recommend solutions, tools, and processes for performance and efficiency improvements.
• Assess scope, costs, and oversee outside service providers to meet project and operational requirements.

Security/Compliance:

• Conduct continuous vulnerability assessments; ensure timely remediation of findings.
• Validate security setups, user access controls, and profile ownership to minimize risks.

Job Requirements

Education & Certification

• Degree in Computer Science, Information Technology, or related field preferred.
• Equivalent experience may be considered in lieu of a degree.
• IBM training and/or certification at any level.
• Training and certification in System Management.
• ITIL Foundation certification.

Experience

• At least 10+ years of hands-on experience in an iSeries environment.
• Experience with AS400, iSeries/Power systems refresh projects.
• Experience in secured operations, vulnerability management, and remediation.
• Deep understanding of compliance and audit requirements.
• Experience with ITIL best practices in Service Request, Incident, Problem, and Change Management.

Other Prerequisites

• Technical leadership and team management experience.
• Technical expertise in:
  • IBM i5/OS (OS/400) V6 / V7, VIOS VM environment
  • Network protocols and routing
  • System performance and capacity planning
  • PowerHA with iASP, iSeries Replication
  • IBM Storage solutions (V7000, FS7300, DS8910F), SAN switches, VTL
  • PTF/CUM package management
  • Query/400, SQL/400, DB2, Java
  • ILE RPG/400, ILE COBOL, ILE C++, XML Toolkit
  • Remote Journaling, High Availability
  • Backup and Recovery (BRMS, Flashcopy)
  • Knowledge of ACSC and Infinium advantageous
• Deep understanding of security, vulnerability management, access control, and system remediation.

Marina Bay Sands is committed to diversity, equity, and inclusion, providing equal opportunities and adhering to all rules, policies, and ethical standards.