Imagine One Technology & Management, Ltd.

Senior Mainframe Application Engineer at Imagine One Technology & Management, Ltd.

Location: Charleston, South Carolina
Level: Senior
Posted: May 20, 2026

Description

Imagine One Technology & Management, Ltd. is looking for a Senior Mainframe Application Engineer to analyze, plan, design, and document changes to mainframe software applications written in COBOL running in batch or online CICS environments within a z/OS-based Business Information System (BIS). The role involves formulating or updating BIS architectures and assisting mainframe software sustainment teams with implementation and testing of system changes for Marine Corps enterprise pay and personnel systems.

Required Skills

COBOL
Batch Processing
Online CICS Environments
z/OS Business Information System
Enterprise-Scale Mainframe Applications
DoD Pay and Personnel Business Rule Logic
Risk Management Framework Implementations
Operational Architecture Views
IAT Level II Baseline Certification

Additional Information

Required Previous Experiences: 6+ years engineering enterprise-scale mainframe software applications
6+ years implementing and updating DoD pay and personnel business rule logic
4+ years engineering systems within MCAAP or other Risk Management Framework implementations
Experience developing operational and system-level architecture views