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Senior Mainframe Developer Jobs in Elizabeth, NJ

ApTask

Senior Mainframe Developer

Manhattan, NY · On-site

Senior Mainframe Developer Location: New York City, NY/ Jersey City, NJ 4 Days onsite role Role Overview: We are seeking a Senior Mainframe Developer with strong expertise in COBOL, JCL, and Control ...

Palnar

Sr. Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

Job Role: Sr. Mainframe Developer Location: Jersey City, NJ Duration Long Term * Minimum of 10 years' experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF. * Similar experience ...

K-Tek Resourcing LLC

Mainframe Developer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Senior Mainframe Developer 8-12 years of experience only Location: New York City, NY/ Jersey City, NJ 4 Days onsite role Role Overview: We are seeking a Senior Mainframe Developer with strong ...

NAVA Software Solutions

Mainframe Developer

Morristown, NJ · On-site

$50.50 - $64.75/hr

Role: Sr. Mainframe Engineer Location: Morris Plains, NJ , Memphis TN, Somerset NJ, Austin TX, St. Louis MO, Morristown NJ Remote to start - Hybrid from Nov onwards Duration: 6-12 months What You ...

Avancer Corporation

Mainframe Engineer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

Senior Mainframe Engineer Duration: 12 months + ext Location: Merrimack, NH or Jersey City NJ **Connect weeks required - Onsite Monday through Friday every other week. Must Have Skills: -COBOL, CICS ...

Navtech, Inc.

Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

... a senior level programmer with the ability to design, develop and tests within the mainframe environment (COBOL, CICS, JCL and DB2 Must have experience on resolving production job abends and ...

1 point system

Mainframe Engineer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

The Purpose As a Senior Mainframe Software Engineer, you will quickly develop a deep understanding of our mainframe ecosystem--including core applications, data flows, integrations, and ...

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Senior Mainframe Developer information

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$67

How much do senior mainframe developer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior mainframe developer in Elizabeth, NJ is $58.02, according to ZipRecruiter salary data. Most workers in this role earn between $54.42 and $63.37 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Mainframe Developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by Senior Mainframe Developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are Senior Mainframe Developers?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
What are popular job titles related to Senior Mainframe Developer jobs in Elizabeth, NJ? For Senior Mainframe Developer jobs in Elizabeth, NJ, the most frequently searched job titles are:
What cities near Elizabeth, NJ are hiring for Senior Mainframe Developer jobs? Cities near Elizabeth, NJ with the most Senior Mainframe Developer job openings:
Senior Mainframe Developer jobs near you
Senior Mainframe Developer

Senior Mainframe Developer

ApTask

Manhattan, NY • On-site

Other

This job post has expired today. Applications are no longer accepted.

Job description

Senior Mainframe Developer

Location: New York City, NY/ Jersey City, NJ 4 Days onsite role

Role Overview: We are seeking a Senior Mainframe Developer with strong expertise in COBOL, JCL, and Control-M/CCS (or similar scheduling systems) to support critical enterprise applications. The role involves code screening, analysis/scraping, enhancement, and development on legacy mainframe systems, along with participation in modernization and integration efforts.

This individual will play a key role in maintaining high-performance, stable mainframe applications while contributing to system improvements and integration initiatives.

Key Responsibilities

  • Perform code screening, analysis, and scraping of existing mainframe applications to identify dependencies, inefficiencies, and improvement opportunities
  • Design, develop, test, and maintain COBOL-based applications
  • Develop and manage JCL jobs, including batch processing and scheduling workflows
  • Work with CCS / Control-M / enterprise scheduling systems for job automation and monitoring
  • Analyze legacy code and contribute to modernization strategies
  • Collaborate with cross-functional teams to support integration with distributed systems or APIs
  • Troubleshoot production issues, identify root causes, and implement fixes
  • Ensure adherence to coding standards, performance guidelines, and security practices
  • Document technical specifications, code changes, and system workflows
  • Support QA/UAT cycles and deployment activities

Required Skills & Qualifications

  • 8+ years of experience in Mainframe development
  • Strong hands-on experience with:
    • COBOL
    • JCL (Job Control Language)
    • Mainframe utilities (VSAM, DB2, CICS as applicable)
  • Experience with CCS / Control-M / similar job scheduling tools
  • Experience with DB2, CICS transaction processing
  • Proven experience in code analysis, reverse engineering, and refactoring legacy systems
  • Strong debugging and problem-solving skills
  • Familiarity with batch processing and high-volume transaction systems
  • Ability to work independently and in a team-oriented environment

Nice-to-Have Skills

  • Basic understanding of system integration concepts (APIs, middleware, web services)
  • Exposure to mainframe modernization initiatives
  • Familiarity with distributed systems or cloud integration

Knowledge of DevOps practices for mainframe environments

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About ApTask

Sourced by ZipRecruiter

ApTask is a leading staffing and recruitment company headquartered in Iselin, NJ, US. Since its inception, the company has been dedicated to providing its clients with expert staffing solutions across diverse industries. Specializing in workforce management, talent acquisition, and employee services, ApTask excels at matching the right talent with the right opportunities. They consistently strive to build and sustain great relationships with clients and candidates alike - a mission driven by their core values of trust, transparency, and delivery excellence.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Iselin, NJ, US

Year founded

2010

Social media

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