Mike Riemen REQUEST RESUME

Engagement Model: Specializes in high-risk environments, understaffed teams, and legacy system recovery, modernization, and stabilization.

AVAILABLE   |   Contract   |   Remote Only   |   US   |   Posted on Apr 01, 2020

Senior IBM i developer and systems specialist with extensive experience across RPG (all variants), COBOL and SQL in complex enterprise environments. Demonstrated ability to stabilize legacy systems, modernize business logic, and lead high-impact remediation and migration initiatives. Known for resolving long-standing systemic issues rather than applying temporary fixes, improving operational reliability and business continuity.

Strong blend of hands-on development, system administration, and business analysis across insurance, healthcare, manufacturing, and distribution domains


My Specialties

CORE COMPETENCIES

  • IBM i / AS400 Development (RPG Free, RPG ILE, RPG IV, RPG III/II, COBOL)
  • Embedded SQL / IBM i SQL / DB2 for i
  • Legacy System Modernization & Reengineering
  • Production Support & Problem Rectification
  • ERP Systems (Manufacturing, Insurance, Financials)
  • System Administration (LPAR, VIOS, OS Upgrades, DR)
  • Data Integration (SFTP, APIs, XML/JSON)
  • Business Process Analysis & Optimization
  • Performance Tuning & Data Integrity
  • Technical Leadership & Stakeholder Communication



Geographic Preferences:

  1. Remote only

Disciplines