Senior AS400 Systems Architect

7 days ago

Singapore beBeeInfrastructure Full time $120,000 - $180,000
AS400 Infrastructure Manager

We are seeking an experienced IT professional to fill the role of AS400 Infrastructure Manager. This position will be responsible for leading and shaping IBM infrastructure in a strategic IT environment.

Job Description

This is a unique opportunity to work on critical infrastructure projects, including upgrades, migrations, and disaster recovery. The successful candidate will have the chance to lead and guide a team, shape IT strategies, and drive business outcomes.

Key Responsibilities:
  • Strategic Planning: Develop long-term infrastructure strategies and manage the full lifecycle of AS400 systems.
  • Performance Management: Monitor, tune, and forecast system performance to ensure reliability, availability, and future scalability.
  • Security & Compliance: Implement security protocols and maintain regulatory compliance across the IBM iSeries environment.
  • Project Management: Lead infrastructure projects such as upgrades and migrations while managing vendor relationships and service quality.
  • Team Collaboration: Work closely with application teams, business users, and project managers to align IT services with business needs.
  • Troubleshooting: Provide Tier 3 support, resolve system issues, manage backups, and maintain tested disaster recovery plans.
Required Skills and Qualifications
  • Bachelor's degree in IT or Computer Science
  • At least 10 years of experience as an AS400 Administrator or similar
  • Deep knowledge of IBM iSeries hardware, OS400, related software, SQL, CL, and tools like IBM iDoctor, Performance Manager, and Job Watcher
  • Understanding of iSeries application structures, installation, troubleshooting, replication (CDC, iCluster), scheduling (ROBOT), backup (BRMS), and encryption (SKLM)
  • IBM iSeries or ITIL certifications, experience in regulated industries, and familiarity with hybrid/cloud iSeries integrations
  • Strong grasp of IT policies, procedures, security best practices, and experience implementing measures to maintain compliance
  • Excellent troubleshooting skills for data, application, and system performance issues, with the ability to manage multiple initiatives
  • Mature leadership capabilities, mentoring technical staff, and effective communication with teams and stakeholders
What We Offer
  • Opportunities for career growth and professional development in enterprise IT
  • Work in a collaborative, high-performing technical team
  • Exposure to critical infrastructure projects, including upgrades, migrations, and disaster recovery
  • Opportunities to lead and guide a team

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