Application Engineer Jobs

2,188 jobs found — updated daily

Mainframe Application Engineer, Senior

Imagine One Technology & Management LtdCharleston, SC
Onsite

About The Position

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 COBOL that execute in batch or online CICS environments within a z/OS-based Business Information System (BIS). The engineer formulates or updates BIS architectures and assists mainframe software sustainment teams with implementation and testing of system changes supporting Marine Corps enterprise pay and personnel systems.

Requirements

  • 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.
  • IAT Level II baseline certification required.
  • U.S. Citizen.
  • Active Secret clearance required.

Responsibilities

  • Analyze, design, and document updates to COBOL-based mainframe applications.
  • Implement changes to batch and CICS-based applications within z/OS environments.
  • Formulate and update Business Information System architectures.
  • Support implementation, integration, and testing of application changes.
  • Engineer enterprise-scale pay and personnel business rule logic updates.
  • Support RMF/MCAAP-aligned engineering activities.
  • Develop operational and system-level architecture views.
  • Collaborate with sustainment and production control teams to support releases.

Benefits

  • full package of benefits
  • 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

Career Resources

Build a Resume for Application Engineer

The resume builder that gets results.

  • Get clear feedback so you look as qualified as you are
  • Align your resume with the job to get further in the process, faster
  • Take the guesswork out of resume writing

Explore Related Job Searches

© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service