Mainframe Software Engineer IV - 3018008

Job#: 3018008Job Description:Job Title: Mainframe DeveloperJob Location: Cincinnati, OH (Onsite)Pay Range: $60/HR-$70/HRContract Length: 8 Monthsu00a0OverviewThe Mainframe Software Engineer is responsible for designing, developing, maintaining, and enhancing mainframe-based applications. This role supports the full software development life cycle and ensures the reliability, performance, and security of mainframe systems.Key Duties and Responsibilities- Analyze user needs and software requirements to assess design feasibility within time and cost constraints- Design, develop, test, and maintain mainframe applications- Modify and debug existing software to improve performance and functionality- Ensure seamless integration of software with existing systems, hardware, and utilities- Develop and execute unit test plans to validate compliance with specified requirements- Provide technical support by addressing inquiries related to software errors, issues, or functionality- Recommend enhancements and upgrades to existing software systems- Create and maintain technical documentation for system design, programming, and testing- Implement disaster recovery plans and support mainframe system security- Collaborate with other software professionals to resolve technical issuesResponsibilities- Execute all phases of the software development life cycle (SDLC)- Develop, code, test, and debug mainframe software- Write clean, efficient, and testable COBOL code- Produce technical specifications and assess operational feasibility- Integrate software components into fully functional systems- Develop verification plans and quality assurance procedures- Document and maintain software functionality- Troubleshoot, debug, and enhance existing mainframe systems- Adhere to project plans, timelines, and industry standards- Ensure software remains current with required updates and featuresQualifications- Demonstrated experience as a Mainframe Software Engineer or in a similar role- Experience designing and developing mainframe applications- Proficiency in COBOL, JCL, and other mainframe technologies- Strong knowledge of mainframe databases, SQL, and DB2- Experience with test-driven development practices- Familiarity with mainframe software engineering tools- Ability to document requirements and technical specifications- Bachelor's degree in Computer Science, Engineering, or a related fieldEEO EmployerApex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffingu00ae in Talent Satisfaction in the United States and Great Place

Created: 2026-01-19