Senior Mainframe Systems Programmer — IBM z/OS, CICS & MQ

Delaware Nation Industries; New York, Atlanta, Washington (NY, GA, District of Columbia); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Premium healthcare

401K matching

Disability insurance

Pet insurance

Education reimbursement

Parking & Transit benefits

Job summary

Delaware Nation Industries seeks an experienced Senior Mainframe Systems Programmer to support IBM z/OS environments, focusing on CICS and IBM MQ. You will administer, install, upgrade, and troubleshoot in a high-security, regulated enterprise, ensuring availability and reliability.

Responsibilities include disaster recovery planning, documentation, and mentoring staff while coordinating with cross-functional teams. A Top Secret clearance and 8+ years of experience are required.

Qualifications

• Active Top Secret Security Clearance required
• DoD IAT Level II certification required
• Minimum of 8 years of experience in mainframe systems programming, administration, or support
• Strong hands-on experience with IBM z/OS, CICS Transaction Server, and IBM MQ
• Experience with SMP/E, JCL, TSO/ISPF, REXX, CLIST, and related IBM mainframe utilities

Responsibilities

• Administer, install, configure, upgrade, and maintain IBM z/OS mainframe environments
• Perform software installations, migrations, upgrades, and patching
• Troubleshoot abends, outages, and performance issues using logs and traces
• Manage IBM MQ environments including queue managers and channels
• Monitor and tune system and middleware for availability and efficiency
• Support secure, compliant system operations per cybersecurity requirements
• Develop implementation, test, recovery, and back-out plans
• Coordinate change, incident, CAB activities and cross-functional implementation

Skills

System administration

Troubleshooting

Incident management

Mentoring/Training

Education

Bachelor’s degree in IT / CS / Engineering

Tools

IBM z/OS

CICS Transaction Server

IBM MQ

SMP/E

JCL

TSO/ISPF

REXX

CLIST

COBOL

Job description

Delaware Nation Industries seeks an experienced Senior Mainframe Systems Programmer to support IBM z/OS environments, focusing on CICS and IBM MQ. You will administer, install, upgrade, and troubleshoot in a high-security, regulated enterprise, ensuring availability and reliability.

Responsibilities include disaster recovery planning, documentation, and mentoring staff while coordinating with cross-functional teams. A Top Secret clearance and 8+ years of experience are required.