Mainframe Application Engineer, Senior

Job Description

Job Description

Imagine One Technology & Management, Ltd. is seeking a Senior Mainframe Application Engineer , contingent upon award of the associated work. This position will be based in Charleston, SC .

The Senior Mainframe Application Engineer is responsible for analyzing, planning, designing, and documenting changes to mainframe software applications written in Software AG Natural and ADABAS that execute in batch or online CICS environments within a z/OS-based environment. The engineer formulates or updates Business Information System (BIS) architectures and assists mainframe software developers with the implementation and testing of architectures supporting the Standard Accounting, Budgeting, and Reporting System (SABRS).

Key Responsibilities:

• Analyze, design, and document updates to Natural/ADABAS-based mainframe applications.
• Implement changes within batch and CICS environments in a z/OS mainframe environment.
• Translate DoD accounting, budgeting, and reporting business rule logic into secure system designs and code.
• Support Programming Production Trouble Reports (PTRs) and sustainment changes.
• Perform unit testing and participate in peer reviews.
• Develop and update system architecture documentation and logical design views.
• Support operational test activities and document discrepancies via Jira.
• Provide engineering support aligned with MCAAP or other Risk Management Framework implementations.
• Assist sustainment teams with implementation and test of architectural changes.

Desired Experience:

• 6+ years engineering enterprise-scale mainframe software applications.
• 6+ years implementing and updating DoD accounting, budgeting, and reporting business rule logic.
• 4+ years engineering systems within MCAAP or other Risk Management Framework implementations.
• Experience developing operational and system-level architecture views.
• Experience supporting Software AG Natural and ADABASE applications executing in batch or online CICS environments within z/OS.

Minimum Certifications:

• IAT Level II baseline certification required.

Security Requirements:

• U.S. Citizen.
• Active Secret clearance required.

Imagine One offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master’s degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more!

ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2022
CMMI Development and Services - Maturity Level 3
CMMC Level 2 (C3PAO)
An Employee-Owned Business

EEO/Vets/Disabled