Mainframe Engineer

Responsibilities

• Design, develop, enhance, and support mainframe applications, ensuring stability and performance of legacy systems that support critical business functions.
• Perform application enhancements, maintenance, and defect fixes across mainframe codebases.
• Develop, maintain, and support batch jobs and online programs, ensuring reliable execution and timely processing.
• Work hands‑on with core mainframe technologies such as COBOL, JCL, and mainframe utilities.
• Analyze existing programs and perform impact assessments for enhancements and fixes.
• Support batch scheduling, job execution, and restart/recovery scenarios.
• Participate in testing activities, including unit testing, system testing, and support for UAT.
• Debug and resolve production and non‑production issues related to batch and online processing.
• Ensure applications meet performance, reliability, and security standards expected in enterprise environments.
• Maintain and update technical documentation, including program logic, job flows, and system dependencies.
• Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
• Support application modernization or migration initiatives when required.
• Follow established change management, release, and incident management processes.
• Work effectively in an Agile or hybrid Agile Waterfall delivery model, depending on program needs.
• Ensure high quality delivery with minimal disruption to business operations.
• Create, modify, and maintain JCL scripts for batch processing.
• Support online and batch job execution, monitoring, and troubleshooting.
• Perform defect analysis and fixes across development, test, and production environments.
• Participate in testing cycles, ensuring fixes and enhancements meet functional requirements.
• Maintain technical and operational documentation for programs and batch processes.
• Collaborate with cross‑functional teams, including QA, business users, and operations.
• Support production releases and post‑deployment stabilization.
• Participate in code reviews and adhere to mainframe coding standards.
• Assist with audits, compliance activities, and documentation requests for regulated systems.
• Provide knowledge transfer and support for junior team members when required.

• 7–20 years of experience in mainframe‑related roles.
• Bachelor of Computer Science (or equivalent) required.
• Proficiency in COBOL, JCL, and mainframe utilities.
• Experience with batch scheduling, job execution, and restart/recovery scenarios.
• Knowledge of Agile or hybrid Agile methodologies.

Salary Range: $120,000–$140,000 per year.

Discretionary annual incentive.

Comprehensive medical coverage: medical & health, dental & vision, disability planning & insurance, pet insurance plans.

Family support: maternal & parental leaves.

Insurance options: auto & home insurance, identity theft protection.

Convenience & professional growth: commuter benefits & certification & training reimbursement.

Time off: vacation, time off, sick leave & holidays.

Legal & financial assistance: legal assistance, 401K plan, performance bonus, college fund, student loan refinancing.

Location:

Louisville, KY.