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Mainframe Engineer - Jersey City 1001749

Dexian DISYS, Hoboken, NJ, United States


Mainframe Software Engineer
Employment Type:

Contract to Hire
Work Model:

Hybrid
Location:

Tampa, FL; Jersey City, NJ; Dallas, TX (hybrid availability required)
Interview Process:

Two rounds

Position Overview
We are seeking a

Mainframe Software Engineer

to design, develop, enhance, and support enterprise mainframe applications. This role involves working closely with architects, business analysts, and infrastructure teams to deliver reliable, high-performance solutions that support critical business operations.

The ideal candidate brings strong

COBOL, CICS, DB2, JCL, and MQ

expertise, experience supporting production environments, and the ability to collaborate effectively within Agile delivery teams.

Key Responsibilities
Application Development & Design

Serve as a

technical subject matter expert

for one or more enterprise applications

Design, develop, and maintain

COBOL programs

for both batch and online processing within

CICS regions

Contribute to the design and implementation of program components and system enhancements

Research and recommend technical solutions aligned with enterprise standards

Database, Messaging & Integration

Design, optimize, and maintain

DB2 SQL queries and stored procedures

in accordance with performance and standards guidelines

Implement and support

IBM MQ

messaging solutions for secure and reliable intersystem communication

Support integrations and data flows between mainframe systems and external platforms

Batch Processing & Scheduling

Develop and maintain

JCL scripts

for batch processing and job scheduling

Troubleshoot batch abends and optimize batch performance

Work with enterprise job scheduling tools to ensure timely and reliable execution

Performance, Testing & Production Support

Tune application performance to improve efficiency and reliability

Create and maintain

unit test cases

to validate functional and nonfunctional requirements

Support testing, troubleshooting, and

production incident resolution , including root cause analysis

Participate in release management processes, including change package creation and production migration

Collaboration & Delivery

Work closely with Business Analysts to ensure technical designs meet functional requirements

Collaborate with infrastructure teams to identify and deploy optimal hosting environments

Participate in Agile ceremonies, provide effort estimates, and deliver incremental value

Contribute to continuous integration, continuous delivery, and improved delivery practices

Governance, Risk & Professional Development

Align day-to-day work with risk and control processes; raise concerns as appropriate

Maintain current knowledge of mainframe technologies and industry trends

Demonstrate curiosity and interest in using

automation or AI-assisted tools

to improve efficiency

Mentor peers and contribute to a collaborative, team-oriented environment

Required Qualifications
Experience & Education

6+ years

of professional experience in mainframe software development

Bachelor's degree preferred or equivalent professional experience

Technical Skills

COBOL (batch and online)

CICS

DB2 (SQL, performance tuning)

JCL

IBM MQ / MQSeries

Enterprise job schedulers

Agile and SDLC processes

Preferred Skills

Experience supporting large-scale, mission-critical systems

Familiarity with performance monitoring and tuning tools

Experience mentoring junior engineers

Interest in automation, modernization, or AI-enabled development tooling

Key Skills & Competencies

Mainframe Application Development

Enterprise Integration & Messaging

Production Support & Incident Management

Performance Optimization

Agile Collaboration & Continuous Delivery

Strong Communication & Stakeholder Collaboration

Ideal Candidate Profile

Experienced mainframe engineer with deep technical expertise

Strong problem-solver who can diagnose and resolve complex issues

Collaborative team player with a proactive mindset

Comfortable working in regulated, high-availability environments

Motivated to continuously learn and improve delivery practices

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.

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