Mainframe Software Engineer

Regions Bank

Software Engineer overseeing application development, modification, and maintenance at Regions. Collaborating across teams and ensuring system performance in Technology department.

Posted 6/21/2026full-timeHoover • Alabama, North Carolina • 🇺🇸 United StatesSeniorLead💰 $127,767 - $168,210 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber SecuritySQL

About the role

Key responsibilities & impact

Oversees development and installation of new hardware and software
Provides advice and recommendations to management on processes and techniques required for improved work operations
Installs and configures systems and other software
Tests installed software for malfunction detection
Identifies and resolves business systems issues
Designs and deploys new applications and enhancements to existing applications, software, and operation systems
Measures effectiveness and efficiency of existing systems
Develops and implements strategies to improve systems
Monitors and tests system performance
Oversees the training of junior engineers to improve job skills and work efficiency
Maintains full ownership of a process typically
Ensures compliance with risk management programs, rules and regulations, and cybersecurity practices; identifies opportunities for and supports process improvements; applies disciplined change management practices
May act as a procedural expert

Requirements

What you’ll need

Bachelor's degree in Computer Science, Computer Engineering or a related field
Seven (7) years of experience
Ability to collaborate with programmers, developers, and other technology professionals to achieve a common objective
Ability to conduct system analysis to detect issues with performance
Ability to develop and implement technology solutions to resolve technical challenges
Ability to interpret and ensure compliance with applicable rules, regulations, and industry guidance
Ability to manage multiple projects simultaneously
Knowledge of software testing techniques, code optimization and software debugging
Strong communication, analytical and problem solving skills
Strong executional capabilities
Thorough understanding of software structures, hardware, computing systems and how to integrate them
Core Mainframe Expertise
Strong experience with IBM z/OS environment
Advanced programming in COBOL, JCL, and REXX
Hands-on experience with CICS (Customer Information Control System)
Proficiency in DB2 for z/OS (SQL development, performance tuning)
Experience with VSAM datasets and file handling
Understanding of data integrity, reconciliation, and high-volume batch processing
Designing and supporting batch jobs and scheduling tools (e.g., Control-M, CA-7)
Experience building and maintaining high-throughput transactional systems
Experience integrating mainframe systems with distributed platforms / APIs / middleware
Familiarity with MQ Series (IBM MQ) or similar messaging systems
Exposure to RESTful services or mainframe API enablement (z/OS Connect)
Strong troubleshooting skills for production incidents and performance bottlenecks
Knowledge of capacity planning and system optimization
Experience in high-availability and disaster recovery environments
Exposure to DevOps practices in mainframe environments
Knowledge of mainframe modernization strategies (cloud integration, refactoring)
Understanding of mainframe security (RACF, ACF2, or Top Secret)
Experience working in regulated environments (SOX, PCI-DSS, or similar)
Knowledge of data privacy and audit requirements
Experience with unit testing, system integration testing, and regression testing
Strong focus on code quality, documentation, and audit readiness
Ability to lead design discussions and mentor junior engineers
Strong problem-solving and analytical skills
Effective communication with business stakeholders and cross-functional teams
Experience working in Agile or hybrid delivery models
Background in banking, payments, lending, or financial systems
Familiarity with fraud systems or transaction processing systems
ISPW – mainframe change management tool used to manage the development, promotion, and deployment of application code
IWS – enterprise job scheduling and workload automation tool used on z/OS mainframes.

Benefits

Comp & perks

Paid Vacation/Sick Time
401K with Company Match
Medical, Dental and Vision Benefits
Disability Benefits
Health Savings Account
Flexible Spending Account
Life Insurance
Parental Leave
Employee Assistance Program
Associate Volunteer Program

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

COBOLJCLREXXCICSDB2 for z/OSVSAMRESTful servicesDevOps practicesmainframe securityunit testing

Soft Skills

communicationanalytical skillsproblem solvingexecutional capabilitiescollaborationmentoringleadershipproject managementtroubleshootingprocess improvement