We are seeking an experienced Sr. CICS Systems Programmer to support and maintain IBM z/OS environments, including CICS and MQ middleware platforms, within a secure DoD enterprise environment. This role is responsible for system administration, software installation and upgrades, troubleshooting, performance tuning, security compliance, disaster recovery support, and technical documentation. The ideal candidate will have experience with IBM mainframe technologies, change management processes, and supporting mission-critical systems in a highly regulated environment. Responsibilities: Administer, install, configure, upgrade, and maintain IBM CICS, MQ, and related software environments on IBM z/OS mainframe platforms. Troubleshoot and resolve system abends, outages, and performance issues using logs, traces, dumps, and monitoring tools. Maintain secure and compliant environments in accordance with STIG/SRG, DoD, and cybersecurity requirements. Perform software installations, migrations, upgrades, patching, and implementation activities across multiple mainframe environments. Manage MQ environments, including queue managers, channels, queues, backup processing, and web services administration. Develop and execute implementation, testing, recovery, and back-out plans for software and hardware changes. Create and maintain technical documentation, SOPs/TTPs, status reports, RCA reports, and installation procedures. Utilize SMP/E, JCL, TSO/ISPF, REXX, CLIST, COBOL, and related IBM utilities to support system operations and automation. Coordinate change management, incident management, CAB activities, and cross-functional implementation efforts using government-approved processes and tools. Provide technical guidance, customer support, mentoring, and training to government personnel, junior technicians, and project teams. Qualifications: Minimum 8 years of experience required. Bachelor's degree or equivalent experience and training Clearance Requirement: Secret Certification Requirement: One of the following IAT Level I certification - A+ CE, Network+ CE, SSCP or CCNA Security About Us Diné Development Corporation (DDC) is a Navajo Nation–owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities we serve. Benefits Eligible full-time employees receive a comprehensive benefits package, including medical, dental, vision, life and disability coverage, retirement savings with company match, and paid time off. Additional benefits include voluntary supplemental benefits, access to an employee assistance program, and educational assistance with tuition reimbursement. Equal Opportunity & Compliance Statement This contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a), 60-300.5(a), and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law. We participate in E-Verify. DDC is committed to providing equal employment opportunities to all applicants and employees. If you require a reasonable accommodation to participate in the application or interview process, please contact Recruiting for assistance [email protected]

Sr. CICS Systems Programmer.

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